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Published on: December 11, 2017
Management of sinus venosus defects
1Division of Cardiothoracic Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA. Gaynor@email.chop.edu
Summary
Sinus venosus defects are distinct intra-atrial communications. Surgical repair aims for defect closure with unobstructed venous drainage, minimizing risks like sinus node dysfunction.
Area of Science:
- Cardiovascular Surgery
- Congenital Heart Disease
Background:
- Sinus venosus defects are intra-atrial communications distinct from atrial septal defects.
- They occur outside the atrial septum, with superior and inferior types based on location relative to vena cava and pulmonary veins.
Purpose of the Study:
- To describe the characteristics and surgical repair goals for sinus venosus defects.
- To review existing surgical techniques and potential complications.
Main Methods:
- Review of surgical repair techniques for sinus venosus defects.
- Discussion of anatomical locations and associated surgical considerations.
Main Results:
- Surgical repair focuses on closing the defect while ensuring unobstructed pulmonary venous return to the left atrium and vena cava return to the right atrium.
- Minimal mortality and morbidity are expected, with low risks of vena cava or pulmonary vein obstruction.
Conclusions:
- Postoperative sinus node dysfunction is a potential complication, especially with incisions near the superior vena cava/right atrial junction.
- Long-term functional outcome data following repair of these defects remain limited.
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