Dotto di botallo pervio

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  • 20/06/12
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  • Dotto di botallo pervio

    1. 1. PDA closureG AgnolettiCitta’ della Salutegagnoletti@cittadellasalute.to.itTorino, ItalyIPC 9th Milan, March 2013
    2. 2. Is PDA a congenital heartdisease?
    3. 3. • PDA is not a congenital heart disease• can be life saving• can be unuseful• can be dangerous WE WANT TO CLOSE IT• can be lethal
    4. 4. Embriology•Absent oranomalous in PAtype III-IV•Absentpulmonaryvalve…•Truncusarteriosus
    5. 5. Prenatal circulationO2 saturation : 55% Cardiac output : 59%
    6. 6. At BirthPVR/SVR from 10 to 1/3 in few s.In the preterm infant:osystolic steal, reversed flow, pulmonarycongestionIn the newborn:ospontaneous constriction, due to increased PaO2,then fibrous occlusionPDA if the arterial duct is still patent after 1 month
    7. 7. Classification
    8. 8. What ONLY matters for clinicalimplications of ISOLATED DBP is its sizeWhat matters for percutaneous closure arepatient age and weight, PDA size, PDAshape (size of the aortic isthmus, size of theampulla, lenght of the PDA, size of LPA...)
    9. 9. Imaging in children and adult patients
    10. 10. PDASmall: no symptoms, sometimes systolicmurmur, low risk of endocarditisAttitude: varies in accordance with theinstitution policyLarge: ventricular overload, pulmonaryhypertension, congestive heart failureAttitude: percutaneous closure
    11. 11. Eisenmenger ?
    12. 12. PDA in preterm infantsAttitude: closureo medical treatmento surgical treatment (ligation - suture)medical - surgical implications, residual shunto percutaneous treatment (?????) few casesreported - technical implications
    13. 13. PDA in babies, children, adultsAttitude: closure• if ventricular overload• if PH• if murmur• to prevent endocarditis?• to allow intense physical activity?
    14. 14. Endocarditis?Silent patent ductus arteriosus endarteritis. Heart 2000
    15. 15. All PDAs should be closed?
    16. 16. Is easy to close a PDA?
    17. 17. Devices and ideasHow shall I close a hole?Generally putting somethinginside....or simply covering it....coverocclude(dissection)
    18. 18. The beginningPercutaneous transfemoral closure of the the patentductus arteriosus - an alternative to surgeryPorstmann W Semin Roentgenol. 1981First percutaneous procedure: Rashkind 60s
    19. 19. Double umbrella Raskind deviceTo close a communication I want tocover both sidesDrawbacks: residual shunt, obstruction,migration, fracture, retrievability but norepositionability…
    20. 20. Coils bare and hairy
    21. 21. CoilsoFrom venous or arterial sideoMultiple coils possibleoRetrievability and repositionabilityoBetter for small PDAoCheapDrawbacks: residual shunt (hemolysis),migration
    22. 22. Coilso Not too large..o Not tubular..o Not window like..o Not too small…oNo tortuous..Still I do use coils…..
    23. 23. ComplicationsSevere intravascular hemolysis.. J Invasive Cardiol 2005Residual shunt at 24 h 30-57% …
    24. 24. Occluding devicesTo close a communication Iwant to stent it….
    25. 25. ADO I
    26. 26. Stenting the duct with an occlusivedeviceThe AGA systemADO I ADO II
    27. 27. AGA system : ADO IAdvantages• From the venous side• Retrievable• Repositionable• High rate immediateocclusion• Occlusion of large PDADisadvantages• Iatrogenic coarctation• Absence of pulmonary disc• Migration (aorta or PA)• Difficult retrivability aftermigration• Residual shunt andhaemolysis• Bleeding !
    28. 28. Complicationsmigration
    29. 29. Complicationsmigration
    30. 30. AGA system : ADO IVery large PDAs can be closed3yr-old african girl with heart failureLL OAD post 14-12…..
    31. 31. AGA system : ADO IVery large PDAs can be closedpost 16-14..
    32. 32. AGA system : ADO ILarge PDAs in small babiesLL OAD large ampulla andisthmus
    33. 33. AGA system : ADO ILarge PDAs in small babies
    34. 34. AGA system : ADO ILarge PDAs in small childrenConcerns: Anatomy of the PDA, tricuspid angle,rigidity of the system, small aortic isthmus
    35. 35. AGA system : ADO ILarge PDAs in very small children ???Concerns: Anatomy of the PDA, tricuspid angle,rigidity of the system +++, small aortic isthmus,venous/arterial access.. (< 2Kg babies…)
    36. 36. Peculiar cases…Spasm of the arterial duct
    37. 37. Peculiar cases…Spasm of the arterial ductHeart 2005Rev Esp Cardiol. 2012
    38. 38. The ADO II deviceADO II:fabric-free fine nitinol wire, 2 very low profiledisks, articulated connecting waist. Antegrade orretrograde approach.Advantages: reduced sheath sizes and softer shapeReports: protrusion into the aortic isthmus or pulmonaryartery
    39. 39. The ADO II device?easy to retrieve…
    40. 40. ADO II AS•Few preliminary reports•Good results•Easy, premounted (generally..), navigability +++•No obstruction, no migration, no residual shunt,variety of different anatomies …Early clinical experience with a modified Amplatzer ductal Occluder for transcatheter arterial ductocclusion in infants and small children. Kenny D et al, Catheter Cardiovasc Interv 2012Closure of the patent ductus arteriosus with the new duct occluder II addotional sizes device.Agnoletti G et al Catheter Cardiovasc Interv 2012Closure of a large ductus arteriosus in a preterm infant using the ADO II AS device. Agnoletti G et al.Heart 2012
    41. 41. PDA closure in preterm babies?
    42. 42. Occlusion of a PDA in a 2 Kg baby withheart failure
    43. 43. Occlusion of a PDA in a 2 Kg baby withheart failure
    44. 44. Peculiar cases…PDA and aortic coarctation
    45. 45. ADO II AS for different types of PDAs
    46. 46. ADO II AS for different types of PDAs
    47. 47. ADO II AS for different types of PDAs
    48. 48. ADO II ASfrom the venous side
    49. 49. ADO II ASfrom the arterial sideYou can inject in the sheath
    50. 50. PDAs in twins …coils or ADO II AS?Enea and Jacopo
    51. 51. J Invasive Cardiol 2011Nit-Occlud PDA-R(Reverse) Device
    52. 52. Large PDA in small childrenAfter failed percutaneous closurePerventricular Device Closure of Patent Ductus Arteriosus:A Secondary ChanceAnn Thorac Surg 2012
    53. 53. PDA or APW?1800 g
    54. 54. Conclusions•All PDAs can be closed percutaneously ?•All PDAs should be closed percutaneously ?•Almost always feasible•Almost always successful…•Different devices for different patients…•Complications can occur
    55. 55. ConclusionsGood new: you recover from DA patency!
    56. 56. Also for our pet friends…

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