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Male-female differences in characteristics and early outcomes of patients undergoing tricuspid valve surgery: a national cohort study in the Netherlands.
European Journal of Cardio-thoracic Surgery 2019 May 2
OBJECTIVES: This study aims to explore male-female differences in baseline and procedural characteristics, and outcomes of patients undergoing isolated or concomitant tricuspid valve (TV) surgery.
METHODS: All TV procedures registered between 2007 and 2016 in the database of the Netherlands Association for Cardio-Thoracic Surgery were analysed. Logistic regression analyses with interaction terms were used to determine whether sex was associated with hospital mortality.
RESULTS: Five thousand five hundred and eighty-two patients underwent TV surgery [isolated: N = 685 (49% male), TVrepair: N = 5286 (50% male) and TVreplacement: N = 250 (46% male)]. In the TVrepair group, females were significantly older, had less prior percutaneous/surgical coronary interventions, less extracardiac arteriopathies, a lower prevalence of renal impairment, less endocarditis, a lower prevalence of preoperative critical condition, less recent myocardial infarction, less concomitant coronary artery bypass grafting (CABG) and, in case of concomitant mitral valve surgery, less concomitant mitral valve repair compared to males. In the TVreplacement group, females more often had a history of prior valve surgery and less prior CABG. Hospital mortality for males and females was 7.0% (N = 183) and 6.1% (N = 163), P = 0.241 in the TVrepair group and 2.6% (N = 3) and 8.8% (N = 12), P = 0.074 in the TVreplacement group. Sex was not associated with hospital mortality (odds ratio (OR) 1.14, 95% confidence interval (CI) 0.88-1.48; P = 0.322). Sex demonstrated a significant interaction with the parameter 'critical preoperative condition' (OR 0.44, 95% CI 0.22-0.90; P = 0.026).
CONCLUSIONS: Substantial differences in patient and procedural characteristics existed between male and female patients undergoing TV surgery, although sex was not a derterminant for hospital mortality. Nevertheless, sex interacted with a critical preoperative condition, indicating the usefulness of separate risk factor models for males and females requiring TV surgery.
METHODS: All TV procedures registered between 2007 and 2016 in the database of the Netherlands Association for Cardio-Thoracic Surgery were analysed. Logistic regression analyses with interaction terms were used to determine whether sex was associated with hospital mortality.
RESULTS: Five thousand five hundred and eighty-two patients underwent TV surgery [isolated: N = 685 (49% male), TVrepair: N = 5286 (50% male) and TVreplacement: N = 250 (46% male)]. In the TVrepair group, females were significantly older, had less prior percutaneous/surgical coronary interventions, less extracardiac arteriopathies, a lower prevalence of renal impairment, less endocarditis, a lower prevalence of preoperative critical condition, less recent myocardial infarction, less concomitant coronary artery bypass grafting (CABG) and, in case of concomitant mitral valve surgery, less concomitant mitral valve repair compared to males. In the TVreplacement group, females more often had a history of prior valve surgery and less prior CABG. Hospital mortality for males and females was 7.0% (N = 183) and 6.1% (N = 163), P = 0.241 in the TVrepair group and 2.6% (N = 3) and 8.8% (N = 12), P = 0.074 in the TVreplacement group. Sex was not associated with hospital mortality (odds ratio (OR) 1.14, 95% confidence interval (CI) 0.88-1.48; P = 0.322). Sex demonstrated a significant interaction with the parameter 'critical preoperative condition' (OR 0.44, 95% CI 0.22-0.90; P = 0.026).
CONCLUSIONS: Substantial differences in patient and procedural characteristics existed between male and female patients undergoing TV surgery, although sex was not a derterminant for hospital mortality. Nevertheless, sex interacted with a critical preoperative condition, indicating the usefulness of separate risk factor models for males and females requiring TV surgery.
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