Leah Gober1, Adam Brown2, Avianne P Bunnell1,2, Brian E Bunnell3,4, Jean Marie Ruddy2. 1. School of Medicine, Mercer University School of Medicine, Savannah, GA, USA. 2. Division of Vascular Surgery, Medical University of South Carolina, Charleston, SC, USA. 3. Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA. 4. Department of Psychiatry and Behavioral Neurosciences, University of South Florida, Tampa, FL, USA.
Abstract
Introduction: Mental health disorders (MHD) are prevalent within surgical patient populations and can be associated with poorer postoperative outcomes, particularly in those with more severe MHD (schizophrenia and bipolar disorder). However, these associations have not been examined in vascular surgery patients. This study investigated patients undergoing lower extremity revascularization, hypothesizing that those with severe MHD would experience worse health and postoperative outcomes. Methods: A retrospective chart review of patients from 2010-2015 with peripheral arterial disease (PAD) requiring revascularization was conducted, with subsequent narrowing to those with concurrent MHD diagnoses, including severe MHD (sMHD) defined as bipolar disorder or schizophrenia and non-severe MHD (nsMHD), defined as anxiety or depression. The primary endpoints were 30-day mortality; Major Adverse Limb Events (MALE) including amputation at the above or below knee level; and Major Adverse Cardiac Events (MACE) including myocardial infarction (MI), congestive heart failure (CHF) exacerbation, and arrhythmia. Secondary endpoints were readmission within 30 days, pulmonary complications, and wound infection. Statistical analyses included Fisher Exact Test and Student's T-test. Results: Eighteen patients with MHD (sMHD, n=10; nsMHD, n=8) were identified and stratified. Twenty-four limbs were revascularized (sMHD, n=13; nsMHD, n=11). Overall incidence of 30-day mortality, MALE, and MACE were 4.2%, 33.3%, and 50.0%, respectively. Readmission rate, pneumonia, and wound infection occurred in 41.7%, 20.8%, and 16.7% of the population. Stratifying by MHD severity, no significant differences were observed for medical comorbidities, MALE, intervention type (open vs. endovascular), or treatment indication (claudication vs. critical limb ischemia). Patients with sMHD had significantly higher rates of MACE compared to patients with nsMHD (30.8% vs. 18.2%, p<.05). Pneumonia was also more prevalent in this group (38.5% vs. 0.0%, p<.05). Conclusion: While patients with concurrent diagnoses of MHD and PAD presented with similar comorbidities, comparable disease severity, and were equally treated by open versus endovascular techniques, those with severe MHD suffered significantly elevated rates of cardiopulmonary complications, specifically MACE and pneumonia. Further investigation is warranted to identify opportunities to optimize post-operative care for these complex patients.
Introduction: Mental health disorders (MHD) are prevalent within surgical patient populations and can be associated with poorer postoperative outcomes, particularly in those with more severe MHD (schizophrenia and bipolar disorder). However, these associations have not been examined in vascular surgery patients. This study investigated patients undergoing lower extremity revascularization, hypothesizing that those with severe MHD would experience worse health and postoperative outcomes. Methods: A retrospective chart review of patients from 2010-2015 with peripheral arterial disease (PAD) requiring revascularization was conducted, with subsequent narrowing to those with concurrent MHD diagnoses, including severe MHD (sMHD) defined as bipolar disorder or schizophrenia and non-severe MHD (nsMHD), defined as anxiety or depression. The primary endpoints were 30-day mortality; Major Adverse Limb Events (MALE) including amputation at the above or below knee level; and Major Adverse Cardiac Events (MACE) including myocardial infarction (MI), congestive heart failure (CHF) exacerbation, and arrhythmia. Secondary endpoints were readmission within 30 days, pulmonary complications, and wound infection. Statistical analyses included Fisher Exact Test and Student's T-test. Results: Eighteen patients with MHD (sMHD, n=10; nsMHD, n=8) were identified and stratified. Twenty-four limbs were revascularized (sMHD, n=13; nsMHD, n=11). Overall incidence of 30-day mortality, MALE, and MACE were 4.2%, 33.3%, and 50.0%, respectively. Readmission rate, pneumonia, and wound infection occurred in 41.7%, 20.8%, and 16.7% of the population. Stratifying by MHD severity, no significant differences were observed for medical comorbidities, MALE, intervention type (open vs. endovascular), or treatment indication (claudication vs. critical limb ischemia). Patients with sMHD had significantly higher rates of MACE compared to patients with nsMHD (30.8% vs. 18.2%, p<.05). Pneumonia was also more prevalent in this group (38.5% vs. 0.0%, p<.05). Conclusion: While patients with concurrent diagnoses of MHD and PAD presented with similar comorbidities, comparable disease severity, and were equally treated by open versus endovascular techniques, those with severe MHD suffered significantly elevated rates of cardiopulmonary complications, specifically MACE and pneumonia. Further investigation is warranted to identify opportunities to optimize post-operative care for these complex patients.
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