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Bishawi M, Hattler B, Almassi GH, Quin JA, Grover FL, Collins JF, Ebrahimi R, Wolbrom DH, Shroyer AL, Veterans Affairs Randomized On/Off Bypass Follow-up Study (ROOBY-FS) Group. Health-related quality of life impacts upon 5-year survival after coronary artery bypass surgery. Journal of Cardiac Surgery. 2022 Dec 1; 37(12):4899-4905.
BACKGROUND: Poor preoperative health-related quality of life (HRQoL) has been associated with reduced short-term survival after coronary artery bypass graft (CABG) surgery; however, its impact on long-term mortality is unknown. This study''s objective was to determine if baseline HRQoL status predicts 5-year post-CABG mortality. METHODS: This prespecified, randomized on/off bypass follow-up study (ROOBY-FS) subanalysis compared baseline patient characteristics and HRQoL scores, obtained from the Seattle Angina Questionnaire (SAQ) and Veterans RAND Short Form-36 (VR-36), between 5-year post-CABG survivors and nonsurvivors. Standardized subscores were calculated for each questionnaire. Multivariable logistic regression assessed whether HRQoL survey subcomponents independently predicted 5-year mortality (p? = .05). RESULTS: Of the 2203 ROOBY-FS enrollees, 2104 (95.5%) completed baseline surveys. Significant differences between 5-year post-CABG deaths (n? = 286) and survivors (n? = 1818) included age, history of chronic obstructive pulmonary disease, stroke, peripheral vascular disease, renal dysfunction, diabetes, lower left ventricular ejection fraction, atrial fibrillation, depression, non-White race/ethnicity, lower education status, and off-pump CABG. Adjusting for these factors, baseline VR-36 physical component summary score (p? = .01), VR-36 mental component summary score (p? < .001), and SAQ physical limitation score (p? = .003) were all associated with 5-year all-cause mortality. CONCLUSIONS: Pre-CABG HRQoL scores may provide clinically relevant prognostic information beyond traditional risk models and prove useful for patient-provider shared decision-making and enhancing pre-CABG informed consent.