The Biometric Approach as a Novel Modified Two-Patch Technique for Complete Atrioventricular Septal Defect Repair

Document Type : Original Article

Authors

1 Department of Cardiac Surgery, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran

2 Department of Cardiology, Razavi Hospital, Imam Reza International University, Mashhad, Iran

3 Department of Cardiology, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran

4 Department of Extra-Corporeal Circulation (ECC), Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran

5 Department of Extra-Corporeal Circulation (ECC), Razavi Hospital, Imam Reza International University, Mashhad, Iran

Abstract

Background: Pediatrics with atrioventricular septal defects (AVSDs), especially the complete AVSD, have significant morbidity and mortality due to dangerous postoperative complications.
 
Objectives: We introduce a novel modified technique for complete atrioventricular septal defect repair with two years of follow-up.
 
Methods: After the cardiopulmonary bypass was established, we first measured the ventricular septal defect's width and the chordae tendineae length that are adjunct to the anterior leaflet of the mitral valve to the interventricular septum. The ventricular septal defect was then repaired in two separate stages with the biologic pattern of mitral and tricuspid valves, with the Bovine patch.
 
Results: Echocardiographic findings immediately after surgery and two years of follow-up revealed good left ventricular function, besides no residual atrial septal or ventricular septal defect. Also, the findings showed no evidence of mitral regurgitation and LVOT obstruction.
 
Conclusion: The novel technique in patients with complete atrioventricular septal defect repair accompanied by more minor postoperative short-term and long-term complications.
 

Keywords

Acknowledgements: We thank the pediatric cardiac surgery staff of Razavi Hospital, Mashhad, Iran.

 

Availability of data and materials: The dataset presented in the study is available on request from the corresponding author during submission or after its publication.

 

Conflicts of interests: The authors have no conflict of interest.

 

Consent for publication: Not applicable

 

Ethics approval and consent to participate: The Mashhad University of Medical Sciences ethics committee approved the study protocol with the number of IR.MUMS.REC.1399.082, which complies with the declaration of Helsinki.

 

Financial disclosure: None.

 

Author contributions: M. H. M, and A. M: Contributed to the conception of the work, revising the draft, approving the final version of the manuscript, and agreeing on all aspects of the work; S. A, contributed to the critical revision, and approval of the final version of the manuscript; A. S. S, and F. S, Contributed to the conception and design of the study, critical revision, and approval of the manuscript's final version; M.Y., Contributed to the conception and design of the study, drafting of the manuscript and critical revision, and approval of final version.

 

Open Access Policy: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/

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