Modified unicaval drainage in reoperative isolated tricuspid valve repair via totally thoracoscopic approach
- 13 May 2020
- journal article
- research article
- Published by SAGE Publications in Perfusion
- Vol. 35 (7), 649-657
- https://doi.org/10.1177/0267659120915659
Abstract
The aim of this study was to investigate the feasibility, safety, and clinical effect of modified unicaval drainage for thoracoscopic reoperative isolated tricuspid valve repair, compared with conventional bicaval drainage. A total of 45 consecutive cases of patients who underwent thoracoscopic reoperative isolated tricuspid valve repair on beating-heart were enrolled and divided into two groups according to the different venous drainage (Group A: modified unicaval drainage, Group B: conventional bicaval drainage). A retrospective analysis of perioperative data and clinical outcomes were performed and all the surviving cases were followed up. Re-evaluation of echocardiography and electrocardiogram was performed prior to discharge, and at first month, sixth month, and every year follow-up. The overall postoperative 30-day mortality was 4.5% in Group A and 8.7% in Group B. The postoperative tricuspid valve regurgitation grade of both groups decreased significantly from preoperative regurgitation grade, p < 0.001, without intergroup significant difference, p = 0.815. Follow-up duration ranged from 6 to 38 months, there was one death at 24 months in Group A, and another at 9 months in Group B, respectively. Nobody from both groups experienced reintervention for residual tricuspid regurgitation. No significant difference could be identified about the incidence of postoperative morbidities and follow-up adverse events. Both strategies of caval venous drainage can provide satisfactory exposure for thoracoscopic reoperative isolated tricuspid valve repair and equivalent favorable postoperative outcome. And the modified unicaval drainage group may even preserve the anesthetic time and decrease the risk of iatrogenic jugular injury, achieving a more simplified procedure with better cosmetic outcome.Keywords
Funding Information
- Medical Science and Technology Foundation of Guangdong Province (A2018038)
- Science and Technology Planning Project of Guangdong Province (2017A070701013)
- Natural Science Foundation of Guangdong Province (2016A030313799)
- Natural Science Foundation of Guangdong Province (2018A0303130266)
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