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ELASELASTTOGRAFIAOGRAFIA
CAROTIDIANACAROTIDIANA
Alexandru Andritoiu
Spitalul Clinic de Urgenta Militar
Craiova
PrinciPrincipiul elastografieipiul elastografiei
Observatii personale
Lot de studiuLot de studiu
• N: 95 subiecti
• Varsta: 60+/-9.45 ani (40-80)
• Sex: 47F:48B
• DZ tip 2: 20/95 (21%)
ObiectiveObiective
• Determinarea Strain-ului CAR prin RT-Elasto
• Relatia Strain – ATS car, varsta, DZ
Metoda de studiuMetoda de studiu
RT-Elasto (Hitachi)
Parametri
• Strain% PP-ACC
• CIMT (mm)
• +/- placa
• +/-DZ
RezultateRezultate
Strain - Valori de referinta
0
0,1
0,2
0,3
0,4
0,5
0,6
40-49 50-59 60-69 70-80
F
B
Strain PP ACC scade cu varsta –la ambele sexe
CorelatiaCorelatia StrainStrain -Varsta-Varsta
%Strain
Varsta
r = -0.51;p<0.0001
95%IC(-0.64 to -0.4)
Corelatia Strain-CIMT
r = -0.41;p<0.0001
95% IC: (-0.56 to -0.23)
CIMT-StrainCIMT-Strain
0,49+/-0,14
0,35+/-0,16
0
0,1
0,2
0,3
0,4
0,5
0,6 CIMT<0,9 mm
CIMT>0,9 mm
p = 0.0005
Strain-PlacaStrain-Placa
0,44+/-0,06
0,31+/-0,11
0
0,05
0,1
0,15
0,2
0,25
0,3
0,35
0,4
0,45
0,5
non Placa
Placa
p<0.0001
StrainStrain - DZ tip 2- DZ tip 2
0,42+/-0,1
0,36+/-0,1
0,33
0,34
0,35
0,36
0,37
0,38
0,39
0,4
0,41
0,42
0,43
%Strain
non DZ
DZ
p<0.01
ConcluziiConcluzii
• RT-Elasto poate fi aplicata cu succes in
evaluarea elasticitatii peretelui carotidian
• Strain egal intre sexe, la aceeasi grupa de
varsta. Totusi, la barbati se remarca o reducere
a elasticitatii mai accentuata dupa varsta de 70
ani
• Strain se coreleaza invers cu CIMT
• Strain scade in DZ si in prezenta placilor CAR
• Limite – dependenta de operator!

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Carotid elastography