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XI Congreso de Cardiología
                Intervencionista – SOVECI 2013
                Caracas, Venezuela, 21-23 Febrero, 2013


             “Nuevas Fronteras en

      Cardiología Intervencionista”

                      J. Eduardo Sousa
            Instituto Dante Pazzanese de Cardiologia
                       Hospital do Coração
  Dante
Pazzanese               São Paulo, Brasil
XI Congreso de Cardiología
  Intervencionista – SOVECI 2013
   Caracas, Venezuela, 21-23 Febrero, 2013




          J. Eduardo Sousa
Instituto Dante Pazzanese de Cardiologia
           Hospital do Coração
            São Paulo, Brasil
Novas Fronteiras em
Cardiologia Intervencionista

   Dos Balões aos Stents Bioabsorvíveis


   Doenças Estruturais: TAVI


   Procedimentos Híbridos
Os Três Componentes da Primeira Geração da Nova
 Biotecnologia para Prevenção da Reestenose (*)

                              Polímero
                         (veículo carreador)



                                Stents                         Agente
  Plataforma               Farmacológicos                   Farmacológico
                            de 1ª Geração




             Prevenção:
                da proliferação CML (sem apoptose)
                da excessiva produção de matriz

(*) Ideal: PT < 0,50mm; Reestenose angiográfica < 10%; RLA < 5%
FIM: Sirolimus-Eluting Stents
  Dante
Pazzanese




      FIRST IN MAN Study
            J. Eduardo Sousa, MD, PhD, FACC
             Instituto Dante Pazzanese de Cardiologia

                        São Paulo - Brazil
Circulation 2001;103:192-5


   Sustained Suppression of Neointimal Proliferation by
                Sirolimus-Eluting Stents
      One-Year Angiographic and Intravascular Ultrasound Follow-Up
  J. Eduardo Sousa, MD, PhD; Marco A. Costa, MD, PhD; Alexandre C. Abizaid, MD, PhD;
Benno J. Rensing, MD, PhD; Andrea S. Abizaid, MD; Luiz F. Tanajura, MD; Ken Kozuma, MD;
 Glenn Van Langenhove, MD, PhD; Amanda G.M.R. Sousa, MD, ‘PhD; Robert Falotico, PhD;
          Judith Jaeger, BA; Jeffrey J. Popma, MD; Patrick W. Serruys, MD, PhD


                                                          Circulation 2001;104:2007-11
Circulation 2001;104:1996-8
Two-Year Angiographic and Intravascular Ultrasound
Follow-Up After Implantation of Sirolimus-Eluting Stents in
                 Human Coronary Arteries

 J. Eduardo Sousa, MD, PhD; Marco A. Costa, MD, PhD; Amanda G.M.R. Sousa, MD, PhD;
 Alexandre C. Abizaid, MD, PhD; Ana C. Seixas, MD; Andrea S. Abizaid, MD; Fausto Feres,
   MD, PhD; Luiz A. Mattos, MD, PhD; Robert Falotico, PhD; Judith Jaeger, BA; Jeffrey J.
                        Popma, MD; Patrick W. Serruys, MD, PhD

                                                     Circulation 2003;107:381-383

   Four-Year Angiographic and Intravascular Ultrasound
Follow-Up of Patients Treated with Sirolimus-Eluting Stents

J. Eduardo Sousa, MD, PhD; Marco A. Costa, MD, PhD; Alexandre Abizaid, MD, PhD; Fausto
   Feres, MD, PhD, Ana C. Seixas, MD; Luiz F. Tanajura, MD, PhD; LuizA. Mattos, MD, PhD,
  Robert Falotico, PhD; Judith Jaeger, BA; Jeffrey J. Popma, MD; Patrick W. Serruys, MD,
                           PhD, Amanda G.M.R. Sousa, MD, PhD

                                                     Circulation 2005;111:2326-9
Meta-análise: Stents Farmacológicos X Não Farmacológicos
                    183.772 pacientes - II


 - 30 registros envolvendo 174.302 ptes. (BMS X DES – Off
   label) com evolução > 1 ano. Os DES apresentaram:

        • 20% de redução significativa no nº de óbitos
             HR 0,80 (0.72, 0.88)
       • 11% de redução significativa na ocorrência
             do IM - HR 0,89 (0.80, 0.98)
       • 47% de redução significativa da revascularização
             do vaso alvo - HR 0,53 (0.47, 0.61)


                                       Kirtane AJ, Stone GW. ACC-2008.
Stents Farmacológicos
                      Uso Clínico no Brasil
                      1ª Geração: 2002 - 2011
    CYPHER®                            - Sirolimus
    TAXUS®                             - Paclitaxel

                      2ª Geração: 2005 -2011
    ENDEAVOR® /RESOLUTE®                - Zotarolimus
    XIENCE V® /PROMUS®                  - Everolimus
    BIOMATRIX®                          - Biolimus A9*
* Polimero bioabsorvível
LEADERS: 5-Year Follow-Up from a
  Prospective, Randomized, Trial of
  Biolimus A9-Eluting Stents with a
Biodegradable Polymer vs. Sirolimus-
Eluting Stents with a Durable Polymer

P. W. Serruys, P. Buszman, A. Linke, T. Ischinger,
D. Antoni, V. Klauss, H. Y. Sohn, F. Eberli, R. Corti,
    W. Wijns, M. C. Morice, C. Di Mario, P. Jüni,
                   S. Windecker


                                        Serruys P. TCT 2012
LEADERS: Patient Oriented Composite Endpoint
 (All-cause Death, any MI, all Revascularizaiton)
            1-year RR          2-year RR          3-year RR         4-year RR         5-year RR
         0.84 (0.68 - 1.04) 0.83 (0.68 – 1.00) 0.81(0.68 – 0.96) 0.83(0.70 - 0.98) 0.84(0.71 – 0.98)
             P=0.11*            P=0.055*           P=0.018*         P=0.024*           P=0.024*
    45
                                                                                     40.4%
    40        BES          SES                                      36.2%             5.3
    35                                              31.8%             5.2
    30               21.6%           26.4%            5.4                           35.1%
    25                 3.1           4.1                          31.0%
%




                                                     26.4%
    20
    15                               22.3%
                      18.5%
    10
     5
     0
        0      6      12      18      24     30    36         42      48       54     60
Numbers                                     Months
at risk
SES 850       729     661     637     618     594     569     551     530      504    491
BES 857       749     689     672     654     639     619     597     579      557    540
 POCE = all death, MI, any revascularization
 (includes adjudicated and non-adjudicated events)
*P values for superiority                                                    Serruys P. TCT 2012
LEADERS: Definite Stent Thrombosis (ARC)
                    BES          SES
                 1-year RR         2-year RR        3-year RR       4-year RR       5-year RR
      6
                                                 0.78(0.43 - 1.43)
              0.99 (0.51 - 1.94)0.90 (0.48 - 1.67)               0.62(0.35 - 1.08)
                                                                                 0.60(0.35 - 1.02)
                  P=0.98*           P=0.73*          P=0.43*        P=0.090*        P=0.060*
      5
                                                                        4.0%                  4.5%
      4                                     2.5%       2.9%
                         2.0%                           0.7                                   1.9
      3                                      0.3                        1.6
  %




                          0.0
      2                                                                                       2.6%
                                                       2.2%             2.4%
                         2.0%               2.2%
      1

      0
          0        6      12         18     24    30    36       42         48     54     60
                                                 Months
 Numbers
 at risk
 SES     850           816     801        787    776   759     749    732        717    696    678
 BES     857           819     804        792    787   780     775    757        747    730    717

*P values for superiority                                                        Serruys P. TCT 2012
DESIRE Registry - Hospital do Coração
(Drug-Eluting Stents In the REal World)
         PI: J. Eduardo Sousa
         May 2002 – June 2012
           São Paulo, Brazil
Maio 2002 – Junho 2012
    População
   (n= 4.229 P)



Implante do Stent
 Farmacológico
  (n= 7.000 SF)
Incidence and Predictors of Very Late
    (> 4 Years) Major Cardiac Adverse
   Events in the DESIRE (Drug-Eluting
Stents in the Real World)-Late Registry
J. Ribamar Costa, JR, MD, Amanda Sousa, MD, PHD, Adriana
C. Moreira, MD, Ricardo A. Costa, MD, Manuel Cano, MD, Galo
Maldonado, MD, Cantídio Campos, BS, Mariana Carballo, BS,
       Ricardo Pavanello, MD, J. Eduardo Sousa, MD



                  JACC Cardiovascular Interventions 2010;3(1):12-8
1.010 P / 1.408 SF
            (1,4 stents/ P)



                              Cypher®
                               81%
Taxus®
 19%
DESIRE-Late Registry: Cardiac Death
  Cumulative Incidence




                         Costa JR et al. JACC Cardiovascular Interventions 2010;3(1):12-8
DESIRE-Late Registry: TVR




 Costa JR et al. JACC Cardiovascular Interventions 2010;3(1):12-8
DESIRE-Late Registry: Stent Thrombosis Incidence




          Costa JR et al. JACC Cardiovascular Interventions 2010;3(1):12-8
JACC Cardiovascular Interventions 2010;3(1):19-21
Registro DESIRE
  Uma década (2002 – 2012) de emprego clínico dos stents
farmacológicos no tratamento da Doença Arterial Coronária
Future DES
Specialty               Bioabsorbable

            Platform



             DES
   Drug                Polymer


            Bioabsorbable    Polymer-free
Bioabsorbable Stent
Pioneer: Igaki-Tamai (Japan)
Bioresorbable Stents

Igaki-Tamai                  PLA

       BVS                  PLLA

                           Tyrosine-
     REVA                Policarbonate

   DESolve                      PLLA


  Biotronik               Magnesium
Everolimus-Eluting
             Bioresorbable Vascular Scaffold
   ML VISION                      Bioresorbable         Bioresorbable
                                                                         Everolimus
 Delivery System                 Device Platform           Coating


• Seven                       • Polylactide        • Polylactide     • Similar dose and
  generations of                (PLLA)               (PDLLA) coating   release rate to
  MULTI-LINK                  • Naturally          • Fully
                                                                       XIENCE V
  success                       resorbed, fully
                                metabolized          biodegradable
• World-class
  deliverability




All illustrations are artists’ renditions


                                                   26
ABSORB Cohort A (PI P. Serruys)
         Clinical Study Overall Population

                           30 patients
                                                      n = 4 excluded in Per Treatment Population
                                                      (3 received non-BVS stent, 1 device failure)

                Intent to treat             Per treatment
 6-month           30 patients               26 patients
 follow-up           clinical                   QCA
                                                           n = 1 missed F/U visits*
                             n = 1 missed
                             F/U visits*                   n = 1 non-cardiac death**
                                                           n = 5 refused angiography


                   29 patients                 19 patients
2 & 3-year                                                          2-year
follow-up            clinical                  QCA/IVUS             follow-up

*One patient missed the 9, 12, 18 month and 2 year visits
**Two patients died of non-cardiac causes at 706 and 888 days
 Serruys, PW., AHA 2009.
ABSORB Cohort A
Temporal Lumen Dimensional Changes, Per Treatment


              Post-PCI                       6 Mos.            24 Mos.
                  n = 25                       n = 25           n = 19


                              Scaffold
                               Area
ABSORB        MLA = 5.09mm2     11.8%         3.92mm2          4.34mm2    17.2%
 Cohort A


                                         Late Loss = 0.43 mm



 Late lumen loss at 6 months mainly due to reduction in scaffold area

      Very late lumen enlargement noted from 6 months to 2 years



 Serruys, PW, et al. Lancet 2009; 373: 897-910.
BVS Device Optimization
             • More uniform strut distribution

             • More even support of arterial wall

             • Lower late scaffold area loss
                 ―Maintain radial strength for at
  Cohort A       least 3-4 months

             • Storage at room temperature

             • Improved device retention

             • Unchanged:
  Cohort B       – Material, coating and backbone
                 – Strut thickness
                 – Drug release profile
                 – Total degradation Time
ABSORB Cohort B

• N = 101; 12 sites (Europe, Australia, New
  Zealand) PIs: P. Serruys, J. Ormiston

• Clinical follow-up schedule:
  – 30 days, 6 months, 12 months, annually to 5 years


• Imaging schedule:
   Group 1 (n = 45)
                                           6       12       24
    QCA, IVUS, OCT, IVUS VH   Baseline   Months   Months   Months

  Group 2 (n = 56)
ABSORB Cohort A and B
              Temporal Lumen Dimensional Changes
                     Post-PCI                        6 Mos.            24 Mos.
                         n = 25                       n = 25             n = 18


                                      Scaffold
ABSORB                                 Area
                                                                                        Lumen
Cohort A              Lumen Area                                                         Area
                                       11.8%         5.19 mm2          5.46 mm2
  Unpaired
                       6.04 mm2                                                         10.85%
  Analysis*



                                                 Late Loss = 0.43 mm

                                                                         n = 33
                         n = 33                        n = 33


                                      Scaffold
ABSORB                                 Area
                                                                                        Lumen
                    Mean Lumen Area                                                      Area
Cohort B                                              6.36 mm2          6.85 mm2
                       6.53 mm2        1.7%
Serial Analysis**                                                                        7.7%




                                                 Late Loss = 0.19 mm


                                                                        *Serruys, PW., TCT 2008
                                                                       **Serruys, PW., TCT 2011
ABSORB EXTEND:                                    PI: A. Abizaid
  Non-Randomized, Single-Arm, Continued Access Trial


                                  1000 subjects
                                  Up to 100 OUS sites




           Clinical follow-up

                            30d               6mo       12 mo   24 mo   36 mo
           MSCT follow-up
           OCT follow-up

Study Objective:     Continued Access trial. FPI: Jan 11, 2010
Endpoints:           No hypothesis-testing, typical PCI clinical endpoints
Treatment:           Up to 2 de novo lesions in different epicardial vessels
                     Planned overlapping allowed in lesions >22 and ≤ 28 mm
Device Sizes:        Scaffold diameters: 2.5, 3.0 mm
                     Scaffold lengths: 18, 28 mm
MACE Through 6 Months
                               10
                                        Cohort B
                                        EXTEND                           194-day HR
                                                                     1.99 [0.58,6.87]
                                                                         p=0.27*
                    MACE (%)

                                                                           5.0%
                               5

                                                                          Δ = 2.5%

                                                                           2.5%


                               0
                                    0   30    60    90     120     150      180       210   240
                                         Time Post Index Procedure (Days)
      Number at risk
      Time after index procedure (days)             0                     37                     194
      Cohort B                                     101                    99                      96
      EXTEND                                       200                    195                    194


* P-value is not from formal hypothesis testing and is displayed for descriptive purpose only.
DESolve™ Bioresorbable Coronary Scaffold
 Taking advanced technologies from     … and incorporating them into a scaffold
 Elixir’s DES platforms …              that bioresorbs over 1 – 2 years

  Excellent radial strength
  Low recoil                           PLLA-based polymer with excellent
  Drug release to provide sustained      durability and flexibility
   neointimal inhibition                Proven biocompatibility
  Low drug dose                        Proprietary fabrication and processing
                                          technology
                                       • Broad range of sizes
                                       • 3.0, 3.25, and 3.5 mm diameters
                                       • 2.5, 2.75, and 3.75 available soon
                                       • 14 and 18 mm lengths
DESolve FIM Study Design
                             Single, de novo coronary artery lesions
                                reference vessel diameter: 3.0mm
                             lesion length: ≤10mm, DAPT 12 months
                                       Myolimus 3mcg/mm

                                               3 sites
                                        16 patients enrolled
                                     Belgium and New Zealand

  Clínico
                               30d      6mo     1yr     2yr     3yr    4yr    5yr
  QCA, USIC e OCT

Principal Imaging Endpoint:
 6-month in-stent late lumen loss
Desfechos principais
Clínico: ECAM (óbito cardíaco, IAM relacionado ao vaso tratado e RLA guiada por isquemia) e
trombose do SVA
ACQ:     perda luminal tardia, reestenose binária e % de estenose intra stent
USIC:    % de obstrução do stent
OCT:     Descrição quaitativa e quantitiva do segmento e das hastes
MSCT: Descrição quaitativa e quantitiva da morfologia vascular aos 12 e 24 meses
QCA
In-scaffold Analysis                n=14 (paired)
RVD (mm)
   post-procedure                   2.84 ± 0.23
   at 6 months                      2.78 ± 0.27
MLD (mm)
   post-procedure                   2.60 ± 0.19
   at 6 months                      2.41 ± 0.28
% Diameter Stenosis
   post procedure                   8.05 ± 7.90
   at 6 months                      12.63 ± 11.37
Acute Recoil (%)                    6.4 ± 4.6
Late Lumen Loss (mm) at 6 months 0.19 ± 0.19
Binary Restenosis (%) at 6 months   0.0
IVUS
                  Post-PCI                  6 months


                                                  MLA =
                     MLA =
                                                   5.10
                    5.35 mm2
                                                   mm2



                                                 n=11 (paired)
In-scaffold Serial Analysis           Post-procedure          6 months
Mean Scaffold Area (mm2)               5.35 ± 0.78           5.61 ± 0.81*
Mean Lumen Area (mm2)                  5.35 ± 0.78          5.10 ± 0.78*
% Volume Obstruction at 6 months            --               7.18 ± 3.37
Malapposition (%)                           0                      0

                                            *p=ns between baseline and follow-up
OCT
                                                                             6-month
In-scaffold Cross Section Level Serial Analysis          Baseline           Follow-up
                                                                   n=10 (paired)

Mean Scaffold area (mm2)                                6.57 ± 0.68        6.80 ± 0.85*

Mean NIH Area (obstructive) (mm2)                             --           0.71 ± 0.36
Mean NIH Obstruction (%)                                                  13.16 ± 5.59
                                                              --

In-scaffold Strut Level Serial Analysis
Total number of Analyzed Struts                             2,984              2,575

Frequency of covered Struts/patient (%)                       --          98.68 ± 2.44

Mean NIH Thickness over Covered Struts (mm)                   --           0.12 ± 0.04




                                                  *p=ns between baseline and follow-up
Pre                    Post                    Follow-up
         NOT CALIBRATED          NOT CALIBRATED




01-WEP
Pré ICP        ICP     Pós ICP




97o
           DESolve
          3,5 x 14mm
                        DESolve
                         (92o)
Instituto Dante Pazzanese de Cardiologia       São Paulo, Brazil
                                           C


        6 month Follow-up


                                           B



                        C
                                 A
                             B



                                           A
RCA: Multimodality Imaging Assessment
            IVUS & OCT
RCA: Multi Imaging Modality Assessment
                 MSCT




                      Proximal edge marker



               Distal edge marker
Novas Fronteiras em
Cardiologia Intervencionista

   Dos Balões aos Stents Bioabsorvíveis


   Doenças Estruturais: TAVI


   Procedimentos Híbridos
Sunday - May 13th, from 3 to 10
pm Rouen University Hospital
TAVI Technologies

       First Generation Devices




Edwards Lifesciences     Medtronic CoreValve
          Total > 50.000 patients
Novas Gerações de Prótese Valvar Aórtica - 2012
Centro de Intervenções em Doenças
            Estruturais do Coração - CIDEC
  Dante             - Programa Prótese Aórtica -
Pazzanese

 Intervencionista          Cirurgião         Cardiologista
 Eduardo Sousa        L. C. Bento Souza     Amanda Sousa
Alexandre Abizaid       Magaly Arrais       Auristela Ramos
 Dimytri Siqueira
   Manuel Cano
  Ribamar Costa
Antonio Kambara


    Tomografia                             Ecocardiografista
   Ibraim Pinto                               Jorge Assef
   Tiago Senra         Anestesista          Rodrigo Barreto
                      Caetano Nigro         David Le Bihan
                                          Mercedes Maldonado
Experiência Dante Pazzanese
    Novembro de 2009 a Fevereiro de 2013

Características clínicas                n = 112 pacientes
   Idade, anos                              81,6 ± 7,0
   Sexo feminino                              64,0%
   Classe III / IV NYHA                       87,0%
   Diabetes                                   26,1%
   HAS                                        65,2%
   DPOC                                        8,7%
   FA / Flutter                               11,9%
   Insuficiência renal*                       77,7%
   EuroSCORE logístico, %                  24,3 ± 14,1%

* Clearance de Creatinina < 60 ml/min
Experiência Dante Pazzanese
    Novembro de 2009 a Fevereiro de 2013
Aspectos técnicos          n = 112 pacientes
 Anestesia
       Geral                      96,7%
       Sedação                     3,3%
 Eco transesofágico               96,7%
 Acesso
      Femoral                     91,3%
      Subclávia                    1,1%
      Transapical                  3,2%
      Transaórtico                 5,4%
 Prótese utilizada
       Corevalve®                  75%
       Sapien XT®                 15,2%
       Acurate Symetis®           10,0%
Experiência Dante Pazzanese
   Novembro de 2009 a Fevereiro de 2013

Eventos Cardíacos Adversos em 30 Dias

Mortalidade                         13,0%

Acidente vascular cerebral          2,2%

Complicações vasculares maiores     6,5%

Complicações hemorrágicas maiores   7,6%

Necessidade de marcapasso           15,6%
Coronary Artery Disease and TAVI
         - Procedures -


         - STAGED
         - CONCOMITANT
LPA, 84 anos, sexo masculino                            15/10/2009

          84 Anos: ACD + TAVI (Staged)
               Pré                          Pós


                                                  Cypher
                                                  3,0x8mm




                                                Cypher
                                                2.5x18mm




                               Alta hospitalar : 26/outubro/2009
LPA, 84 anos, sexo masculino                              15/11/2009

          84 Anos: ACD + TAVI (Staged)
                     Valvoplastia com balão




                      Eletrodo de marcapasso provisório
LPA, 84 anos, sexo masculino                      15/11/2009




                               Prótese liberada
LPA, 84 anos, sexo masculino                   15/11/2009

          84 Anos: ACD + TAVI (Staged)
                           Aortografia final
LPA, 84 anos, sexo masculino                15/11/2009


          84 Anos: ACD + TAVI (Staged)
               Gradiente VE-Ao Pós: 5mmHg
87 Anos: ACD + TAVI (Concomitant)
Ventrículo Esquerdo




Diástole            Sístole
87 Anos: ACD + TAVI (Concomitant)




                      Stent Xience
                      2,5x18mm
87 Anos: ACD + TAVI (Concomitant)




                      Stent Xience
                      2,5x18mm
87 Anos: ACD + TAVI (Concomitant)
87 Anos: ACD + TAVI (Concomitant)
VE-Ao: Pré/Pós




Pré= 50mmHg     Pós= 5mmHg
AVV, 80 anos, sexo masculino                      31/01/2013

                       TAVI (Transaórtica)
             Angiotomografia




                                       Oclusão da
                                      aorta abdominal
Acesso Transaórtico
  Dante
Pazzanese
AVV, 80 anos, sexo masculino                        31/01/2013

                       TAVI (Transaórtica)
                      Valvoplastia com balão




                           Eletrodo de marcapasso
                                  provisório
AVV, 80 anos, sexo masculino                      31/01/2013


                       TAVI (Transaórtica)
          Liberação da prótese Core valve® Nº31
WMS, 86 anos, sexo masculino                              21/01/2013


                 86 Anos: ACD + TAVI (Staged)

               Pré                              Pós
                               Xience
                               2,75 x 12mm




                                                          Xience
                                                          3,5 x 15mm
                                             Xience
                                             4,0 x 15mm
WMS, 86 anos, sexo masculino                     29/01/2013


                 86 Anos: ACD + TAVI (Staged)
                        Aortografia inicial
                       Valva aórtica bicúspide
WMS, 86 anos, sexo masculino                    29/01/2013


                 86 Anos: ACD + TAVI (Staged)
                     Valvoplastia com balão
WMS, 86 anos, sexo masculino                    29/01/2013


                 86 Anos: ACD + TAVI (Staged)

          Liberação da prótese Core valve® Nº29
WMS, 86 anos, sexo masculino                      29/01/2013

                 86 Anos: ACD + TAVI (Staged)
                  Houve deslocamento da prótese




                               Plano valvar
WMS, 86 anos, sexo masculino                    29/01/2013


                 86 Anos: ACD + TAVI (Staged)
       Tração da prótese para a aorta ascendente


                                                  Prótese
                                                tracionada
                               Laço
WMS, 86 anos, sexo masculino                                29/01/2013


                 86 Anos: ACD + TAVI (Staged)
                                Laço
 Laço




                                               1ª prótese

                1ª prótese




                 2ª prótese


                                  2ª prótese
WMS, 86 anos, sexo masculino                                    29/01/2013


                 86 Anos: ACD + TAVI (Staged)
                                      Após o procedimento, ausência de
                                      gradiente VE-Ao




                  VE = 192 x 46mmHg
                  Ao = 140 x 70mmHg              VE = 96 x 20mmHg
                                                 Ao = 96 x 50mmHg
Novas Fronteiras em
Cardiologia Intervencionista

   Dos Balões aos Stents Bioabsorvíveis


   Doenças Estruturais: TAVI


   Abordagem Híbrida
Sala Híbrida
  Dante
Pazzanese
                        Procedimentos: Maio 2011 / Janeiro 2012
                                       Total: 75
       12
                                                    11       TAVI
                                                             C. Congênitas
       10
                                        9                    Vascular
                                                             Apêndice AE 8
            8
                    7                               7        “Leak”
                                                                      6
   Número




            6

                4                               4
            4
                                                                  3           3
                          22       2        2
            2
                               1                         1    1           1       1

            0
Dante
                   Acesso Transapical
Pazzanese




  Direto + anterogrado - controle (curta distancia)
  Sem limite do introdutor- diametero (versatil - novos
     devices)

  Aplicavel para arteriopatas (doenca vascular periferica)
  Não passa pelo arco aórtico (menos AVC)
Dante
            Acesso Transapical
Pazzanese
Dante
            Acesso Transapical
Pazzanese
Dante
            Acesso Transapical
Pazzanese
Dante
            Acesso Transapical
Pazzanese
Conclusões - I

1- A Cardiologia Intervencionista tem hoje
   posição invejável na liderança das técnicas de
   revascularização miocárdica. Os resultados
   clínicos são próximos à excelência.

2- Entretanto, necessitamos avançar algo mais
   em relação à segurança, haja visto os novos
   dados de ocorrência tardia de trombose dos
   stents, ainda que em níveis baixos (1-2%/ano).
Conclusões - II
3- No momento, as melhores propostas de controle
   deste fenômeno são: polímeros bioabsorvíveis,
   stents sem polímeros e a possibilidade concreta
   de aplicação clínica dos stents bioabsorvíveis.


4- A Cardiologia Intervencionista fortalece-se ainda
   mais com a consolidação da técnica de implante
   de prótese aórtica por via percutânea e o
   crescimento da abordagem híbrida no tratamento
   das afecções cardiovasculares complexas.
Nuevas Fronteras en Cardiologia Intervencionista 2013

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Nuevas Fronteras en Cardiologia Intervencionista 2013

  • 1. XI Congreso de Cardiología Intervencionista – SOVECI 2013 Caracas, Venezuela, 21-23 Febrero, 2013 “Nuevas Fronteras en Cardiología Intervencionista” J. Eduardo Sousa Instituto Dante Pazzanese de Cardiologia Hospital do Coração Dante Pazzanese São Paulo, Brasil
  • 2. XI Congreso de Cardiología Intervencionista – SOVECI 2013 Caracas, Venezuela, 21-23 Febrero, 2013 J. Eduardo Sousa Instituto Dante Pazzanese de Cardiologia Hospital do Coração São Paulo, Brasil
  • 3. Novas Fronteiras em Cardiologia Intervencionista  Dos Balões aos Stents Bioabsorvíveis  Doenças Estruturais: TAVI  Procedimentos Híbridos
  • 4. Os Três Componentes da Primeira Geração da Nova Biotecnologia para Prevenção da Reestenose (*) Polímero (veículo carreador) Stents Agente Plataforma Farmacológicos Farmacológico de 1ª Geração Prevenção:  da proliferação CML (sem apoptose)  da excessiva produção de matriz (*) Ideal: PT < 0,50mm; Reestenose angiográfica < 10%; RLA < 5%
  • 5. FIM: Sirolimus-Eluting Stents Dante Pazzanese FIRST IN MAN Study J. Eduardo Sousa, MD, PhD, FACC Instituto Dante Pazzanese de Cardiologia São Paulo - Brazil
  • 6. Circulation 2001;103:192-5 Sustained Suppression of Neointimal Proliferation by Sirolimus-Eluting Stents One-Year Angiographic and Intravascular Ultrasound Follow-Up J. Eduardo Sousa, MD, PhD; Marco A. Costa, MD, PhD; Alexandre C. Abizaid, MD, PhD; Benno J. Rensing, MD, PhD; Andrea S. Abizaid, MD; Luiz F. Tanajura, MD; Ken Kozuma, MD; Glenn Van Langenhove, MD, PhD; Amanda G.M.R. Sousa, MD, ‘PhD; Robert Falotico, PhD; Judith Jaeger, BA; Jeffrey J. Popma, MD; Patrick W. Serruys, MD, PhD Circulation 2001;104:2007-11
  • 8. Two-Year Angiographic and Intravascular Ultrasound Follow-Up After Implantation of Sirolimus-Eluting Stents in Human Coronary Arteries J. Eduardo Sousa, MD, PhD; Marco A. Costa, MD, PhD; Amanda G.M.R. Sousa, MD, PhD; Alexandre C. Abizaid, MD, PhD; Ana C. Seixas, MD; Andrea S. Abizaid, MD; Fausto Feres, MD, PhD; Luiz A. Mattos, MD, PhD; Robert Falotico, PhD; Judith Jaeger, BA; Jeffrey J. Popma, MD; Patrick W. Serruys, MD, PhD Circulation 2003;107:381-383 Four-Year Angiographic and Intravascular Ultrasound Follow-Up of Patients Treated with Sirolimus-Eluting Stents J. Eduardo Sousa, MD, PhD; Marco A. Costa, MD, PhD; Alexandre Abizaid, MD, PhD; Fausto Feres, MD, PhD, Ana C. Seixas, MD; Luiz F. Tanajura, MD, PhD; LuizA. Mattos, MD, PhD, Robert Falotico, PhD; Judith Jaeger, BA; Jeffrey J. Popma, MD; Patrick W. Serruys, MD, PhD, Amanda G.M.R. Sousa, MD, PhD Circulation 2005;111:2326-9
  • 9. Meta-análise: Stents Farmacológicos X Não Farmacológicos 183.772 pacientes - II - 30 registros envolvendo 174.302 ptes. (BMS X DES – Off label) com evolução > 1 ano. Os DES apresentaram: • 20% de redução significativa no nº de óbitos HR 0,80 (0.72, 0.88) • 11% de redução significativa na ocorrência do IM - HR 0,89 (0.80, 0.98) • 47% de redução significativa da revascularização do vaso alvo - HR 0,53 (0.47, 0.61) Kirtane AJ, Stone GW. ACC-2008.
  • 10. Stents Farmacológicos Uso Clínico no Brasil 1ª Geração: 2002 - 2011 CYPHER® - Sirolimus TAXUS® - Paclitaxel 2ª Geração: 2005 -2011 ENDEAVOR® /RESOLUTE® - Zotarolimus XIENCE V® /PROMUS® - Everolimus BIOMATRIX® - Biolimus A9* * Polimero bioabsorvível
  • 11. LEADERS: 5-Year Follow-Up from a Prospective, Randomized, Trial of Biolimus A9-Eluting Stents with a Biodegradable Polymer vs. Sirolimus- Eluting Stents with a Durable Polymer P. W. Serruys, P. Buszman, A. Linke, T. Ischinger, D. Antoni, V. Klauss, H. Y. Sohn, F. Eberli, R. Corti, W. Wijns, M. C. Morice, C. Di Mario, P. Jüni, S. Windecker Serruys P. TCT 2012
  • 12. LEADERS: Patient Oriented Composite Endpoint (All-cause Death, any MI, all Revascularizaiton) 1-year RR 2-year RR 3-year RR 4-year RR 5-year RR 0.84 (0.68 - 1.04) 0.83 (0.68 – 1.00) 0.81(0.68 – 0.96) 0.83(0.70 - 0.98) 0.84(0.71 – 0.98) P=0.11* P=0.055* P=0.018* P=0.024* P=0.024* 45 40.4% 40 BES SES 36.2%  5.3 35 31.8%  5.2 30 21.6% 26.4%  5.4 35.1% 25  3.1  4.1 31.0% % 26.4% 20 15 22.3% 18.5% 10 5 0 0 6 12 18 24 30 36 42 48 54 60 Numbers Months at risk SES 850 729 661 637 618 594 569 551 530 504 491 BES 857 749 689 672 654 639 619 597 579 557 540 POCE = all death, MI, any revascularization (includes adjudicated and non-adjudicated events) *P values for superiority Serruys P. TCT 2012
  • 13. LEADERS: Definite Stent Thrombosis (ARC) BES SES 1-year RR 2-year RR 3-year RR 4-year RR 5-year RR 6 0.78(0.43 - 1.43) 0.99 (0.51 - 1.94)0.90 (0.48 - 1.67) 0.62(0.35 - 1.08) 0.60(0.35 - 1.02) P=0.98* P=0.73* P=0.43* P=0.090* P=0.060* 5 4.0% 4.5% 4 2.5% 2.9% 2.0%  0.7  1.9 3  0.3  1.6 %  0.0 2 2.6% 2.2% 2.4% 2.0% 2.2% 1 0 0 6 12 18 24 30 36 42 48 54 60 Months Numbers at risk SES 850 816 801 787 776 759 749 732 717 696 678 BES 857 819 804 792 787 780 775 757 747 730 717 *P values for superiority Serruys P. TCT 2012
  • 14. DESIRE Registry - Hospital do Coração (Drug-Eluting Stents In the REal World) PI: J. Eduardo Sousa May 2002 – June 2012 São Paulo, Brazil
  • 15. Maio 2002 – Junho 2012 População (n= 4.229 P) Implante do Stent Farmacológico (n= 7.000 SF)
  • 16. Incidence and Predictors of Very Late (> 4 Years) Major Cardiac Adverse Events in the DESIRE (Drug-Eluting Stents in the Real World)-Late Registry J. Ribamar Costa, JR, MD, Amanda Sousa, MD, PHD, Adriana C. Moreira, MD, Ricardo A. Costa, MD, Manuel Cano, MD, Galo Maldonado, MD, Cantídio Campos, BS, Mariana Carballo, BS, Ricardo Pavanello, MD, J. Eduardo Sousa, MD JACC Cardiovascular Interventions 2010;3(1):12-8
  • 17. 1.010 P / 1.408 SF (1,4 stents/ P) Cypher® 81% Taxus® 19%
  • 18. DESIRE-Late Registry: Cardiac Death Cumulative Incidence Costa JR et al. JACC Cardiovascular Interventions 2010;3(1):12-8
  • 19. DESIRE-Late Registry: TVR Costa JR et al. JACC Cardiovascular Interventions 2010;3(1):12-8
  • 20. DESIRE-Late Registry: Stent Thrombosis Incidence Costa JR et al. JACC Cardiovascular Interventions 2010;3(1):12-8
  • 22. Registro DESIRE Uma década (2002 – 2012) de emprego clínico dos stents farmacológicos no tratamento da Doença Arterial Coronária
  • 23. Future DES Specialty Bioabsorbable Platform DES Drug Polymer Bioabsorbable Polymer-free
  • 25. Bioresorbable Stents Igaki-Tamai PLA BVS PLLA Tyrosine- REVA Policarbonate DESolve PLLA Biotronik Magnesium
  • 26. Everolimus-Eluting Bioresorbable Vascular Scaffold ML VISION Bioresorbable Bioresorbable Everolimus Delivery System Device Platform Coating • Seven • Polylactide • Polylactide • Similar dose and generations of (PLLA) (PDLLA) coating release rate to MULTI-LINK • Naturally • Fully XIENCE V success resorbed, fully metabolized biodegradable • World-class deliverability All illustrations are artists’ renditions 26
  • 27. ABSORB Cohort A (PI P. Serruys) Clinical Study Overall Population 30 patients n = 4 excluded in Per Treatment Population (3 received non-BVS stent, 1 device failure) Intent to treat Per treatment 6-month 30 patients 26 patients follow-up clinical QCA n = 1 missed F/U visits* n = 1 missed F/U visits* n = 1 non-cardiac death** n = 5 refused angiography 29 patients 19 patients 2 & 3-year 2-year follow-up clinical QCA/IVUS follow-up *One patient missed the 9, 12, 18 month and 2 year visits **Two patients died of non-cardiac causes at 706 and 888 days Serruys, PW., AHA 2009.
  • 28. ABSORB Cohort A Temporal Lumen Dimensional Changes, Per Treatment Post-PCI 6 Mos. 24 Mos. n = 25 n = 25 n = 19 Scaffold Area ABSORB MLA = 5.09mm2  11.8% 3.92mm2 4.34mm2  17.2% Cohort A Late Loss = 0.43 mm Late lumen loss at 6 months mainly due to reduction in scaffold area Very late lumen enlargement noted from 6 months to 2 years Serruys, PW, et al. Lancet 2009; 373: 897-910.
  • 29. BVS Device Optimization • More uniform strut distribution • More even support of arterial wall • Lower late scaffold area loss ―Maintain radial strength for at Cohort A least 3-4 months • Storage at room temperature • Improved device retention • Unchanged: Cohort B – Material, coating and backbone – Strut thickness – Drug release profile – Total degradation Time
  • 30. ABSORB Cohort B • N = 101; 12 sites (Europe, Australia, New Zealand) PIs: P. Serruys, J. Ormiston • Clinical follow-up schedule: – 30 days, 6 months, 12 months, annually to 5 years • Imaging schedule: Group 1 (n = 45) 6 12 24 QCA, IVUS, OCT, IVUS VH Baseline Months Months Months Group 2 (n = 56)
  • 31. ABSORB Cohort A and B Temporal Lumen Dimensional Changes Post-PCI 6 Mos. 24 Mos. n = 25 n = 25 n = 18 Scaffold ABSORB Area Lumen Cohort A Lumen Area Area  11.8% 5.19 mm2 5.46 mm2 Unpaired 6.04 mm2  10.85% Analysis* Late Loss = 0.43 mm n = 33 n = 33 n = 33 Scaffold ABSORB Area Lumen Mean Lumen Area Area Cohort B 6.36 mm2 6.85 mm2 6.53 mm2  1.7% Serial Analysis**  7.7% Late Loss = 0.19 mm *Serruys, PW., TCT 2008 **Serruys, PW., TCT 2011
  • 32. ABSORB EXTEND: PI: A. Abizaid Non-Randomized, Single-Arm, Continued Access Trial 1000 subjects Up to 100 OUS sites Clinical follow-up 30d 6mo 12 mo 24 mo 36 mo MSCT follow-up OCT follow-up Study Objective: Continued Access trial. FPI: Jan 11, 2010 Endpoints: No hypothesis-testing, typical PCI clinical endpoints Treatment: Up to 2 de novo lesions in different epicardial vessels Planned overlapping allowed in lesions >22 and ≤ 28 mm Device Sizes: Scaffold diameters: 2.5, 3.0 mm Scaffold lengths: 18, 28 mm
  • 33. MACE Through 6 Months 10 Cohort B EXTEND 194-day HR 1.99 [0.58,6.87] p=0.27* MACE (%) 5.0% 5 Δ = 2.5% 2.5% 0 0 30 60 90 120 150 180 210 240 Time Post Index Procedure (Days) Number at risk Time after index procedure (days) 0 37 194 Cohort B 101 99 96 EXTEND 200 195 194 * P-value is not from formal hypothesis testing and is displayed for descriptive purpose only.
  • 34. DESolve™ Bioresorbable Coronary Scaffold Taking advanced technologies from … and incorporating them into a scaffold Elixir’s DES platforms … that bioresorbs over 1 – 2 years  Excellent radial strength  Low recoil  PLLA-based polymer with excellent  Drug release to provide sustained durability and flexibility neointimal inhibition  Proven biocompatibility  Low drug dose  Proprietary fabrication and processing technology • Broad range of sizes • 3.0, 3.25, and 3.5 mm diameters • 2.5, 2.75, and 3.75 available soon • 14 and 18 mm lengths
  • 35. DESolve FIM Study Design Single, de novo coronary artery lesions reference vessel diameter: 3.0mm lesion length: ≤10mm, DAPT 12 months Myolimus 3mcg/mm 3 sites 16 patients enrolled Belgium and New Zealand Clínico 30d 6mo 1yr 2yr 3yr 4yr 5yr QCA, USIC e OCT Principal Imaging Endpoint:  6-month in-stent late lumen loss Desfechos principais Clínico: ECAM (óbito cardíaco, IAM relacionado ao vaso tratado e RLA guiada por isquemia) e trombose do SVA ACQ: perda luminal tardia, reestenose binária e % de estenose intra stent USIC: % de obstrução do stent OCT: Descrição quaitativa e quantitiva do segmento e das hastes MSCT: Descrição quaitativa e quantitiva da morfologia vascular aos 12 e 24 meses
  • 36. QCA In-scaffold Analysis n=14 (paired) RVD (mm) post-procedure 2.84 ± 0.23 at 6 months 2.78 ± 0.27 MLD (mm) post-procedure 2.60 ± 0.19 at 6 months 2.41 ± 0.28 % Diameter Stenosis post procedure 8.05 ± 7.90 at 6 months 12.63 ± 11.37 Acute Recoil (%) 6.4 ± 4.6 Late Lumen Loss (mm) at 6 months 0.19 ± 0.19 Binary Restenosis (%) at 6 months 0.0
  • 37. IVUS Post-PCI 6 months MLA = MLA = 5.10 5.35 mm2 mm2 n=11 (paired) In-scaffold Serial Analysis Post-procedure 6 months Mean Scaffold Area (mm2) 5.35 ± 0.78 5.61 ± 0.81* Mean Lumen Area (mm2) 5.35 ± 0.78 5.10 ± 0.78* % Volume Obstruction at 6 months -- 7.18 ± 3.37 Malapposition (%) 0 0 *p=ns between baseline and follow-up
  • 38. OCT 6-month In-scaffold Cross Section Level Serial Analysis Baseline Follow-up n=10 (paired) Mean Scaffold area (mm2) 6.57 ± 0.68 6.80 ± 0.85* Mean NIH Area (obstructive) (mm2) -- 0.71 ± 0.36 Mean NIH Obstruction (%) 13.16 ± 5.59 -- In-scaffold Strut Level Serial Analysis Total number of Analyzed Struts 2,984 2,575 Frequency of covered Struts/patient (%) -- 98.68 ± 2.44 Mean NIH Thickness over Covered Struts (mm) -- 0.12 ± 0.04 *p=ns between baseline and follow-up
  • 39. Pre Post Follow-up NOT CALIBRATED NOT CALIBRATED 01-WEP
  • 40. Pré ICP ICP Pós ICP 97o DESolve 3,5 x 14mm DESolve (92o)
  • 41. Instituto Dante Pazzanese de Cardiologia São Paulo, Brazil C 6 month Follow-up B C A B A
  • 42. RCA: Multimodality Imaging Assessment IVUS & OCT
  • 43. RCA: Multi Imaging Modality Assessment MSCT Proximal edge marker Distal edge marker
  • 44. Novas Fronteiras em Cardiologia Intervencionista  Dos Balões aos Stents Bioabsorvíveis  Doenças Estruturais: TAVI  Procedimentos Híbridos
  • 45. Sunday - May 13th, from 3 to 10 pm Rouen University Hospital
  • 46. TAVI Technologies First Generation Devices Edwards Lifesciences Medtronic CoreValve Total > 50.000 patients
  • 47. Novas Gerações de Prótese Valvar Aórtica - 2012
  • 48. Centro de Intervenções em Doenças Estruturais do Coração - CIDEC Dante - Programa Prótese Aórtica - Pazzanese Intervencionista Cirurgião Cardiologista Eduardo Sousa L. C. Bento Souza Amanda Sousa Alexandre Abizaid Magaly Arrais Auristela Ramos Dimytri Siqueira Manuel Cano Ribamar Costa Antonio Kambara Tomografia Ecocardiografista Ibraim Pinto Jorge Assef Tiago Senra Anestesista Rodrigo Barreto Caetano Nigro David Le Bihan Mercedes Maldonado
  • 49. Experiência Dante Pazzanese Novembro de 2009 a Fevereiro de 2013 Características clínicas n = 112 pacientes Idade, anos 81,6 ± 7,0 Sexo feminino 64,0% Classe III / IV NYHA 87,0% Diabetes 26,1% HAS 65,2% DPOC 8,7% FA / Flutter 11,9% Insuficiência renal* 77,7% EuroSCORE logístico, % 24,3 ± 14,1% * Clearance de Creatinina < 60 ml/min
  • 50. Experiência Dante Pazzanese Novembro de 2009 a Fevereiro de 2013 Aspectos técnicos n = 112 pacientes Anestesia Geral 96,7% Sedação 3,3% Eco transesofágico 96,7% Acesso Femoral 91,3% Subclávia 1,1% Transapical 3,2% Transaórtico 5,4% Prótese utilizada Corevalve® 75% Sapien XT® 15,2% Acurate Symetis® 10,0%
  • 51. Experiência Dante Pazzanese Novembro de 2009 a Fevereiro de 2013 Eventos Cardíacos Adversos em 30 Dias Mortalidade 13,0% Acidente vascular cerebral 2,2% Complicações vasculares maiores 6,5% Complicações hemorrágicas maiores 7,6% Necessidade de marcapasso 15,6%
  • 52. Coronary Artery Disease and TAVI - Procedures - - STAGED - CONCOMITANT
  • 53. LPA, 84 anos, sexo masculino 15/10/2009 84 Anos: ACD + TAVI (Staged) Pré Pós Cypher 3,0x8mm Cypher 2.5x18mm Alta hospitalar : 26/outubro/2009
  • 54. LPA, 84 anos, sexo masculino 15/11/2009 84 Anos: ACD + TAVI (Staged) Valvoplastia com balão Eletrodo de marcapasso provisório
  • 55. LPA, 84 anos, sexo masculino 15/11/2009 Prótese liberada
  • 56. LPA, 84 anos, sexo masculino 15/11/2009 84 Anos: ACD + TAVI (Staged) Aortografia final
  • 57. LPA, 84 anos, sexo masculino 15/11/2009 84 Anos: ACD + TAVI (Staged) Gradiente VE-Ao Pós: 5mmHg
  • 58. 87 Anos: ACD + TAVI (Concomitant)
  • 60. 87 Anos: ACD + TAVI (Concomitant) Stent Xience 2,5x18mm
  • 61. 87 Anos: ACD + TAVI (Concomitant) Stent Xience 2,5x18mm
  • 62. 87 Anos: ACD + TAVI (Concomitant)
  • 63. 87 Anos: ACD + TAVI (Concomitant)
  • 65. AVV, 80 anos, sexo masculino 31/01/2013 TAVI (Transaórtica) Angiotomografia Oclusão da aorta abdominal
  • 66. Acesso Transaórtico Dante Pazzanese
  • 67. AVV, 80 anos, sexo masculino 31/01/2013 TAVI (Transaórtica) Valvoplastia com balão Eletrodo de marcapasso provisório
  • 68. AVV, 80 anos, sexo masculino 31/01/2013 TAVI (Transaórtica) Liberação da prótese Core valve® Nº31
  • 69. WMS, 86 anos, sexo masculino 21/01/2013 86 Anos: ACD + TAVI (Staged) Pré Pós Xience 2,75 x 12mm Xience 3,5 x 15mm Xience 4,0 x 15mm
  • 70. WMS, 86 anos, sexo masculino 29/01/2013 86 Anos: ACD + TAVI (Staged) Aortografia inicial Valva aórtica bicúspide
  • 71. WMS, 86 anos, sexo masculino 29/01/2013 86 Anos: ACD + TAVI (Staged) Valvoplastia com balão
  • 72. WMS, 86 anos, sexo masculino 29/01/2013 86 Anos: ACD + TAVI (Staged) Liberação da prótese Core valve® Nº29
  • 73. WMS, 86 anos, sexo masculino 29/01/2013 86 Anos: ACD + TAVI (Staged) Houve deslocamento da prótese Plano valvar
  • 74. WMS, 86 anos, sexo masculino 29/01/2013 86 Anos: ACD + TAVI (Staged) Tração da prótese para a aorta ascendente Prótese tracionada Laço
  • 75. WMS, 86 anos, sexo masculino 29/01/2013 86 Anos: ACD + TAVI (Staged) Laço Laço 1ª prótese 1ª prótese 2ª prótese 2ª prótese
  • 76. WMS, 86 anos, sexo masculino 29/01/2013 86 Anos: ACD + TAVI (Staged) Após o procedimento, ausência de gradiente VE-Ao VE = 192 x 46mmHg Ao = 140 x 70mmHg VE = 96 x 20mmHg Ao = 96 x 50mmHg
  • 77. Novas Fronteiras em Cardiologia Intervencionista  Dos Balões aos Stents Bioabsorvíveis  Doenças Estruturais: TAVI  Abordagem Híbrida
  • 78.
  • 79.
  • 80.
  • 81.
  • 82. Sala Híbrida Dante Pazzanese Procedimentos: Maio 2011 / Janeiro 2012 Total: 75 12 11 TAVI C. Congênitas 10 9 Vascular Apêndice AE 8 8 7 7 “Leak” 6 Número 6 4 4 4 3 3 22 2 2 2 1 1 1 1 1 0
  • 83. Dante Acesso Transapical Pazzanese  Direto + anterogrado - controle (curta distancia)  Sem limite do introdutor- diametero (versatil - novos devices)  Aplicavel para arteriopatas (doenca vascular periferica)  Não passa pelo arco aórtico (menos AVC)
  • 84. Dante Acesso Transapical Pazzanese
  • 85. Dante Acesso Transapical Pazzanese
  • 86. Dante Acesso Transapical Pazzanese
  • 87. Dante Acesso Transapical Pazzanese
  • 88. Conclusões - I 1- A Cardiologia Intervencionista tem hoje posição invejável na liderança das técnicas de revascularização miocárdica. Os resultados clínicos são próximos à excelência. 2- Entretanto, necessitamos avançar algo mais em relação à segurança, haja visto os novos dados de ocorrência tardia de trombose dos stents, ainda que em níveis baixos (1-2%/ano).
  • 89. Conclusões - II 3- No momento, as melhores propostas de controle deste fenômeno são: polímeros bioabsorvíveis, stents sem polímeros e a possibilidade concreta de aplicação clínica dos stents bioabsorvíveis. 4- A Cardiologia Intervencionista fortalece-se ainda mais com a consolidação da técnica de implante de prótese aórtica por via percutânea e o crescimento da abordagem híbrida no tratamento das afecções cardiovasculares complexas.