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Symptoms of depression and anxiety and 11-year all-cause mortality in men and women undergoing coronary artery bypass graft (CABG) surgery.
Journal of Psychosomatic Research 2018 Februrary
OBJECTIVES: To investigate the overall and the sex-specific association of preoperative and one-year post coronary artery bypass (CABG) surgery symptoms of depression and anxiety with 11-year all-cause mortality.
METHODS: A multicenter prospective study including 1125 patients who completed the Hospital Anxiety and Depression Scale (HADS) before an elective CABG surgery, of whom 850 completed the HADS again at one-year follow-up. Information on all-cause mortality was obtained through the Israeli Ministry of Internal Affairs Register. Multivariable adjusted Cox regression models quantified the association of symptoms of depression and anxiety with all-cause mortality.
RESULTS: Females comprised 22.7% of the cohort and were 5.5years older than males (70.0±9.3 and 64.4±10.3years, respectively). Controlling for sociodemographic and lifestyle factors, illness severity and post-surgery participation in cardiac rehabilitation, there was little evidence of an association between preoperative symptoms of depression and mortality in males [adjusted hazard ratio (aHRmales )=1.03, 95% CI 0.99-1.07, p=0.21] or females (aHRfemales =1.01, 95% CI 0.95-1.08, p=0.7). One-year postoperative symptoms of depression were associated with mortality in both males (aHRmales =1.05, 95% CI 1.01-1.10, p=0.03) and females (aHRfemales =1.07, 95% CI 1.02-1.13, p=0.013). Preoperative symptoms of anxiety were unrelated to mortality overall, but among females postoperative symptoms of anxiety predicted 11-year mortality (aHRfemales =1.07, 95% CI 1.00-1.14, p=0.049). There was no HADS by sex interaction (p for interaction=0.12-0.99).
CONCLUSIONS: Symptoms of depression one-year after surgery were positively related to mortality with little evidence for sex differences. These findings underscore the need for identification and treatment of psychiatric symptoms in patients undergoing CABG surgery.
CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov: NCT00356863.
METHODS: A multicenter prospective study including 1125 patients who completed the Hospital Anxiety and Depression Scale (HADS) before an elective CABG surgery, of whom 850 completed the HADS again at one-year follow-up. Information on all-cause mortality was obtained through the Israeli Ministry of Internal Affairs Register. Multivariable adjusted Cox regression models quantified the association of symptoms of depression and anxiety with all-cause mortality.
RESULTS: Females comprised 22.7% of the cohort and were 5.5years older than males (70.0±9.3 and 64.4±10.3years, respectively). Controlling for sociodemographic and lifestyle factors, illness severity and post-surgery participation in cardiac rehabilitation, there was little evidence of an association between preoperative symptoms of depression and mortality in males [adjusted hazard ratio (aHRmales )=1.03, 95% CI 0.99-1.07, p=0.21] or females (aHRfemales =1.01, 95% CI 0.95-1.08, p=0.7). One-year postoperative symptoms of depression were associated with mortality in both males (aHRmales =1.05, 95% CI 1.01-1.10, p=0.03) and females (aHRfemales =1.07, 95% CI 1.02-1.13, p=0.013). Preoperative symptoms of anxiety were unrelated to mortality overall, but among females postoperative symptoms of anxiety predicted 11-year mortality (aHRfemales =1.07, 95% CI 1.00-1.14, p=0.049). There was no HADS by sex interaction (p for interaction=0.12-0.99).
CONCLUSIONS: Symptoms of depression one-year after surgery were positively related to mortality with little evidence for sex differences. These findings underscore the need for identification and treatment of psychiatric symptoms in patients undergoing CABG surgery.
CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov: NCT00356863.
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