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A meta-analysis of percutaneous versus surgical closure of ostium secundum atrial septal defects

A meta-analysis of percutaneous versus surgical closure of ostium secundum atrial septal defects. Butera G, Biondi-Zoccai G, Abella R, Piazza L, Chessa M, Micheletti A, Negura D, Giamberti A, Frigiola A, Carminati M. Departement Of Pediatric Cardiology And GUCH Unit

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A meta-analysis of percutaneous versus surgical closure of ostium secundum atrial septal defects

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  1. A meta-analysis of percutaneous versus surgical closure of ostium secundum atrial septal defects Butera G, Biondi-Zoccai G, Abella R, Piazza L, Chessa M, Micheletti A, Negura D, Giamberti A, Frigiola A, Carminati M. Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  2. Background • Percutaneous atrial septal defect closure has became available in the last ten years • In literature there are studies comparing surgical and percutaneous closure Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  3. Background • Large data set comparing these two techniques are lacking • No meta-analysis studies are reported in the field of pediatric cardiology/cardiac surgery Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  4. Clinical Question & Objectives • Clinical Question Is there any difference in early post-procedural results between surgical and percutaneous secundum ASD closure? • Objectives to perform a meta-analysis of all relevant studies comparing results of surgical and percutaneous ASD closure Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  5. Methods • Databases: Pubmed, Google Scholar, Biomed Central • Search updated April 07 • Search terms: ‘atrial septal defect’, ‘closure’, ‘percutaneous’, ‘surgery’, ‘device’ • Inclusion criteria for studies: Comparison of surgical versus percutaneous ASD closure Reporting on > 20 pts

  6. Methods • Data collection • Pre-specified forms used to collect data on baseline characteristics and outcomes • Data abstracted by two independente and unblinded reviewers (GB, GBZ) • We abstracted: authors, journal, years of conduct and publication, study design, sample size, patient characteristics, raw numbers for death, total complication and major adverse cardiovascular events, length of hospital stay

  7. Methods • Statistical methods - performed using Review Manager 4.2.4 • Pooled estimated for odds ratiuos computed according to random effect methods • Continuous variables compared using random effect inverse variance weighting method - Statistical inconsistency appraised with I2 • Reported values were two-tailed and results were considered statistically significant at the 0.05 level. • Quality of included studies was appraised according to the Cochrane Collaboration methods

  8. Methods • Primary outcome: - Death - Total complications - Major complications • Secondary outcomes: - Major complications excluding device embolization - Length of hospital stay Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  9. Results Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  10. Results: Study characteristics

  11. Results: Primary outcomes Death No death was reported with any of the two methods Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  12. Results: Primary outcomes Total complication rate 6.6% (95% CI: 3.9-9.2) (p<0.0001) 31 % (95 % CI: 21-41%) Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  13. Results: Primary outcomes Total complication rate Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  14. Results: Primary outcomes Major complication rate 1,9% (95% CI:0,9-2,9) (p<0.0001) 6,8 % (95 % CI: 4-9,5%) Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  15. Results: Primary outcomes Major complication rate Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  16. Results: Primary outcomes Major complications Surgery Redo surgery(major bleeding, patch dehiescence, repeat sternal closure), Cardiac Tamponade, Wound Infection, Stroke, Major arrhythmias, Seizures, Intracardiac thrombus formation, Pneumothorax/Pericardial effusion/pleural effusion needing Drainage, Heart failure, Carotid artery dissection Device closure Embolization/malposition needing surgery, Pericardial tamponade, Vascular injury of femoral veins/artery needing surgical repair, Thrombus formation, Device erosion, Major arrhythmias Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  17. Results: Secondary outcomes Major complication rate excluding device embolization Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  18. Results: Secondary outcomes Length of hospital stay Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  19. Additional analyses • Testing for publication bias yielded non-significant results (P=0.107 at Egger test) • Excluding one study at a time, did not determine major changes in direction or magnitude of statistical findings Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  20. Limitations Inherent limitations of individual studies within meta-analysis impact on overall result • Retrospective, unblinded, non-randomized • Single center studies • Quite wide range of publication dates (1999---2006) Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  21. Conclusions The largest cohort to date of patients with secundum ASD shows that: - percutaneous closure has a significantly lower rate of either total or major complications - shorter hospital stay Departement Of Pediatric Cardiology And GUCH Unit San Donato Milanese, Italy

  22. Thank you for your attention Thank you for your attention

  23. For further slides on these topics please feel free to visit the metcardio.org website:http://www.metcardio.org/slides.html

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