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Sex Differences in the Utilization and Outcomes of Cardiac Valve Replacement Surgery for Infective Endocarditis: Insights From the National Inpatient Sample.

ABSTRACT: Background The data on the differential impact of sex on the utilization and outcomes of valve replacement surgery for infective endocarditis are limited to single-center and small sample size patient population. Methods and Results We utilized the National Inpatient Sample database to identify patients with a discharge diagnosis of infective endocarditis from 2004 to 2015 to assess differences in the characteristics and clinical outcomes of patients hospitalized with infective endocarditis stratified by sex. We also evaluated trends in utilization of cardiac valve replacement and individual valve replacement surgeries in women versus men over a 12-year period, and compared in-hospital mortality after surgical treatment in women versus men. A total of 81 942 patients were hospitalized with a primary diagnosis of infective endocarditis from January 2004 to September 2015, of whom 44.31% were women. Women were less likely to undergo overall cardiac valve replacement (6.92% versus 12.12%), aortic valve replacement (3.32% versus 8.46%), mitral valve replacement (4.60% versus 5.57%), and combined aortic and mitral valve replacement (0.85% versus 1.81%) but had similar in-hospital mortality rates. From 2004 to 2015, the overall rates of cardiac valve replacement increased from 11.76% to 13.96% in men and 6.34% to 9.26% in women and in-hospital mortality declined in both men and women. Among the patients undergoing valve replacement surgery, in-hospital mortality was higher in women (9.94% versus 6.99%, P<0.001). Conclusions Despite increased utilization of valve surgery for infective endocarditis in both men and women and improving trends in mortality, we showed that there exists a treatment bias with underutilization of valve surgeries for infective endocarditis in women and demonstrated that in-hospital mortality was higher in women undergoing valve surgery in comparison to men.

SUBMITTER: Bansal A

PROVIDER: S-EPMC8751869 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Background Infective endocarditis ( IE ) after transcatheter aortic valve replacement is a devastating complication associated with a high mortality. Our objective was to determine the impact of cardiac surgery (CS) and antibiotics ( IE - CS ) compared with medical treatment with antibiotics only ( IE - AB x) on 1-year mortality in patients developing IE after transcatheter aortic valve replacement. Methods and Results Patients developing IE after transcatheter aortic valve replacement were included in this retrospective analysis. All-cause 1-year mortality was the primary end point. A total of 20 patients underwent IE - CS compared with 44 patients treated by IE - AB x. In this unmatched cohort, patients treated by IE - AB x were older ( P=0.006), had a higher Society of Thoracic Surgeons score ( P=0.029), and more often had severe chronic kidney disease ( P=0.037). One-year mortality was not different between groups ( IE -CS versus IE-ABx, 65% versus 68.2%; P=0.802). The rate of any complication during treatment was higher in the IE - CS group ( P=0.024). In a matched cohort, baseline characteristics were not significantly different. All-cause 1-year mortality was not different between groups ( IE -CS versus IE-ABx, 65% versus 75%; P=0.490). A Cox regression analysis revealed any indication for surgery (hazard ratio, 6.20; 95% confidence interval, 1.80-21.41; P=0.004), sepsis on admission (hazard ratio, 4.03; 95% confidence interval, 1.97-8.24; P<0.001), and mitral regurgitation ≥2 (hazard ratio, 2.91; 95% confidence interval, 1.33-6.37) as factors associated with 1-year mortality. Conclusions In patients developing IE after transcatheter aortic valve replacement, mortality was predicted by the severity of IE and concomitant mitral regurgitation. In this small, and therefore statistically limited, but high-risk patient cohort, CS provided no significant mortality benefit compared with medical therapy. Individual decision making by a "heart and endocarditis team" is necessary to offer those patients the most reasonable treatment option.

Dataset Information

Sex Differences in the Utilization and Outcomes of Cardiac Valve Replacement Surgery for Infective Endocarditis: Insights From the National Inpatient Sample.

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