Key result
Redo mitral valve surgery via right mini-thoracotomy had longer cardiopulmonary bypass time (100.8 vs 72.8 min, P<0.001) than first-time surgery, but was safe with no 30-day mortality.
Why the study?
Re-operative mitral valve surgery is often technically difficult with higher complication rates, but minimally invasive surgery via right mini-thoracotomy could significantly reduce surgical risk.
Does a right mini-thoracotomy approach provide safe and effective outcomes in patients undergoing redo mitral valve surgery compared to first-time surgery?
Population
65 patients undergoing re-operative mitral valve surgery
Comparison
Redo surgery via right mini-thoracotomy vs propensity-matched first-operation elective isolated mitral valve surgery
Design
Retrospective observational propensity-matched study
Follow-up
30 days
Authors
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Supports right mini-thoracotomy for redo mitral valve surgery in selected patients; leaves open randomized comparison to sternotomy.
Observational (n=65)
No
Does a right mini-thoracotomy approach provide safe and effective outcomes in patients undergoing redo mitral valve surgery compared to first-time surgery?
Absolute Event Rate: 100.8% vs 72.8%
p-value: p=<0.001
Minimally invasive right mini-thoracotomy is a safe approach for redo mitral valve surgery, achieving 100% device success at 30 days with no in-hospital mortality despite longer procedural times.
Prestipino et al. (2021) conducted an observational in Mitral valve disease requiring reoperation (n=65). Redo mitral valve surgery via right mini-thoracotomy vs. First operation mitral valve surgery via right mini-thoracotomy was evaluated on Cardiopulmonary bypass (CPB) time in minutes (p=<0.001). Redo mitral valve surgery via right mini-thoracotomy had longer cardiopulmonary bypass time (100.8 vs 72.8 min, P<0.001) than first-time surgery, but was safe with no 30-day mortality.
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