Key result
A systematic review of 30 studies evaluating intraoperative TEE following mitral valve repair found that clinical and methodological diversity precluded quantitative synthesis of outcomes.
Why the study?
Recent evidence and novel intraoperative TEE assessments following mitral valve repair that can impact short- and long-term outcomes needed to be examined.
Does intraoperative TEE following mitral valve repair impact short and long-term outcomes?
Systematic Review (n=30)
Does intraoperative TEE following mitral valve repair impact short and long-term outcomes?
There is currently insufficient evidence and significant uncertainty regarding the ideal intraoperative TEE metrics to evaluate mitral valve patency post-repair and their impact on clinical outcomes.
TEE parameters after MV repair were associated with outcomes; leaves open need for prospective validation before guiding practice.
OBJECTIVE: We aimed to examine the recent evidence and search for novel assessments on intraoperative TEE following mitral valve repair that can impact short and long-term outcomes. METHODS: The Ovid MEDLINE, PubMed, and EMBASE databases were searched from January 1, 2008, until January 27, 2021, for studies on patients with severe Mitral Valve Regurgitation (MR) undergoing Mitral Valve (MV) repair surgery with intraoperative Transesophageal Echocardiography (TEE) performed after the repair. Additional searches were conducted using Google search engine, Web of Science, and Cochrane Library. RESULTS: After reviewing 302 records, 8 retrospective and 22 prospective studies were included (n = 30). Due to clinical and methodological diversity, these studies are noncomparable and data were not amenable to quantitative synthesis. CONCLUSION: Although technological advances allowed the objective assessment of geometric and dynamic alterations of the MV, the impact of the use of these technologies on short- or long-term outcomes was not studied. There is uncertainty and conflicting evidence on the ideal method and metrics to evaluate MV patency post-repair. Few isolated studies validated methods to assess coaptation surface and LV function post-repair.
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Zamper et al. (2022) conducted a systematic review in Severe Mitral Valve Regurgitation (n=30). Intraoperative Transesophageal Echocardiography (TEE) was evaluated on Short and long-term outcomes. A systematic review of 30 studies evaluating intraoperative TEE following mitral valve repair found that clinical and methodological diversity precluded quantitative synthesis of outcomes.
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