Outcomes of left-sided heart valve surgery after heart transplantation: a systematic review
Heart failure reviews(2024)
Abstract
As the survival after heart transplantation (HTx) is steadily improving, an increasing number of patients with late cardiac pathologies such as valvular disease is expected to rise. Nevertheless, no guidelines for indication of redo cardiac surgery after HTx exists. The aim of the present systematic review is to describe the results reported in the literature of surgical management of severe aortic and/or mitral valve disease. A systematic review was conducted including studies reporting on adult patients with severe mitral or aortic valve pathology needing surgery after their previous HTx. Exclusion criteria consisted in surgery with no left heart valve surgery, concomitant valve surgery during heart transplant, transcatheter interventions, and heterotopic HTx. A total of 35 papers met our inclusion criteria out of 2755 potentially eligible studies with 44 mitral valve surgery patients and 20 aortic valve surgery patients. In the entire population, the mean time from HTx to reintervention was 6.19 +/- 5.22 years. After a mean follow-up of 2.78 +/- 3.54 years and 1.53 +/- 2.26 years from reintervention, 65.6% mitral and 86.7% aortic patients were reported as alive, respectively. As guidelines on cardiac surgery after HTx are currently lacking, left-sided valvular cardiac reinterventions can be considered a possible therapeutic approach in carefully selected patients. These interventions may not only improve the patient's functional status and survival, but may ultimately reduce the need for re-transplantation due to the chronic shortage of donor hearts. However, the support of more robust data is warranted.
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Key words
Cardiac surgery,Heart transplantation,Mitral valve,Aortic valve,Systematic review
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