Key result
Flexible mitral valve rings were associated with a higher rate of recurrent mitral regurgitation requiring reoperation compared to nonflexible rings (9.4% vs 2.5%; P=0.012).
Why the study?
Does a flexible mitral valve ring increase the rate of recurrent mitral regurgitation requiring reoperation compared to a nonflexible ring in heart failure patients with geometric mitral regurgitation?
Population
289 patients with congestive heart failure, severe geometric mitral regurgitation, preoperative ejection…
Comparison
Mitral valve reconstruction using an undersized… vs Mitral valve reconstruction using an undersized…
Design
Cohort
Authors
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May support nonflexible rings to reduce reoperation in HF geometric MR; leaves open confirmation in randomized trials.
Cohort (n=289)
Does a flexible mitral valve ring increase the rate of recurrent mitral regurgitation requiring reoperation compared to a nonflexible ring in heart failure patients with geometric mitral regurgitation?
Absolute Event Rate: 9.4% vs 2.5%
p-value: p=0.012
In patients with heart failure and geometric mitral regurgitation, the use of a nonflexible annuloplasty ring significantly reduces the need for repeat surgical procedures compared to a flexible ring.
Spoor et al. (2006) conducted a cohort in Congestive heart failure with geometric mitral regurgitation (n=289). Flexible complete mitral valve ring vs. Nonflexible complete mitral valve ring was evaluated on Recurrent mitral regurgitation requiring reoperation (p=0.012). Flexible mitral valve rings were associated with a higher rate of recurrent mitral regurgitation requiring reoperation compared to nonflexible rings (9.4% vs 2.5%; P=0.012).
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