Examining the Relation Between Depression and Anxiety Disorders and Coronary Artery Bypass Grafting (CABG) Surgery Outcomes
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Age, gender, and medical comorbidities (e.g., diabetes) are known to contribute to poor outcomes following CABG surgeries, but recent research has suggested that these traditional risk factors cannot sufficiently explain signs of poor outcome following CABG surgery (Blumenthal et al., 2003; Saur et al., 2001). For this reason, psychological risk factors have been considered as additional explanations for CABG outcomes. Thus, the present study investigated the relation between diagnoses of depression, anxiety disorders, and PTSD, and outcome variables, such as length of stay, mortality, and discharge disposition following CABG. Results showed that preoperative depression, anxiety, and PTSD independently contributed to increased length of stay, increased in-hospital mortality, and increased likelihood of non-routine discharge following CABG surgery. The results from this study provide additional support for the importance of pre-surgical screening for psychological disorders as well as the development and implementation of pre-surgical interventions to facilitate better outcomes following CABG surgeries.