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Recurrent mitral regurgitation after annuloplasty for functional ischemic mitral regurgitation

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TLDR
Although initial mitral valve replacement would eliminate the risk of postoperative mitral regurgitation, this strategy has been associated with reduced survival, and the development of additional techniques is necessary to achieve more secure repair of functional ischemic mitral Regurgitation.
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This article is published in The Journal of Thoracic and Cardiovascular Surgery.The article was published on 2004-12-01 and is currently open access. It has received 595 citations till now. The article focuses on the topics: Mitral regurgitation & Mitral valve.

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Journal ArticleDOI

The central role of the propensity score in observational studies for causal effects

Paul R. Rosenbaum, +1 more
- 01 Apr 1983 - 
TL;DR: The authors discusses the central role of propensity scores and balancing scores in the analysis of observational studies and shows that adjustment for the scalar propensity score is sufficient to remove bias due to all observed covariates.
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Bagging predictors

Leo Breiman
TL;DR: Tests on real and simulated data sets using classification and regression trees and subset selection in linear regression show that bagging can give substantial gains in accuracy.
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Estimating Causal Effects from Large Data Sets Using Propensity Scores

TL;DR: Propensity score methods generalize subclassification in the presence of many confounding covariates, such as age, region of the country, and sex, in a study of smoking and mortality.
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Intermediate-Term Outcome Of Mitral Reconstruction In Cardiomyopathy

TL;DR: Twenty-four months after the operation, left ventricular volume and sphericity have decreased, whereas ejection fraction and cardiac output have increased, and mitral repair for cardiomyopathy with mitral regurgitation allows new strategies for these patients.
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Comparing apples and oranges

TL;DR: For 3 decades, multivariable risk factor analysis has been the mainstay for identifying and quantifying treatment outcome differences adjusted for patient characteristics; however, Kirklin and Barratt-Boyes1 recommended that these differences be treated as associations with outcomes, not causes.
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