• Sungho Lim, Abdul Q Alarhayem, Behzad Farivar, Christopher J Smolock, Lee Kirksey, Francis J Caputo, Sean P Lyden, and David M Hardy.
• Department of Vascular Surgery, Sydell and Arnold Miller Heart and Vascular Institute, Cleveland Clinic Foundation, Cleveland, Ohio.
• J. Vasc. Surg. 2020 Nov 1; 72 (5): 1618-1625.

ObjectivePosthospital syndrome (PHS) is an acquired, transient period of health vulnerability after a hospital admission for acute illness. It is characterized by physiologic deconditioning secondary to stressors from disruption in circadian rhythm, depletion of nutritional and physiologic reserve as well as the pain and discomfort associated with hospitalization. PHS is reported as an independent risk factor for readmission and adverse postoperative outcomes. The aim of this study is to investigate whether preoperative hospitalization affects outcomes of elective endovascular repair of abdominal aortic aneurysm (EVAR).MethodsThe Healthcare Cost and Utilization Project State Inpatient Database for California (2009-2011) were queried using International Classification of Disease Codes, Ninth Edition, codes of 441.4 (abdominal aneurysm without mention of rupture), 397.1 (EVAR with graft), and 397.8 (EVAR with branching or fenestrated graft). PHS exposure is defined as any inpatient admission 30 or fewer days before elective EVAR. Primary outcomes are all-cause mortality and overall complications. Secondary outcomes include length of stay (LOS), 30-day readmission, and hospital charge.ResultsA total of 6155 patients were identified. of which 327 patients (5.6%) had more than one episode of hospital admission 30 days or less before elective EVAR. In-hospital mortality was comparable after PHS exposure (P = .09). However, PHS exposure was associated with increased 30-day readmission (9.5% vs 18.4%; P < .001), LOS (3.0 vs 4.5 days; P < .001), and overall complications (14.8% vs 24.5%; P < .001). Risk adjustment was made based on age, sex, race, baseline comorbidities, and reason for preoperative admission. Multivariate logistic regression analysis demonstrated that PHS exposure was a predictor for longer LOS (odds ratio [OR], 2.5; 95% confidence interval [CI], 2.0-3.2; P < .001), higher incidence of 30-day readmission (OR, 2.0; 95% CI, 1.4-2.6; P < .001), and overall complications (OR, 1.7; 95% CI, 1.3-2.2; P < .001). Additional cost associated with increased 30-day readmission attributable to PHS exposure was estimated at $448,302 per 100 cases.ConclusionsPHS is an independent risk-adjusted predictor for increased LOS, 30-day readmission, and overall complications after elective EVAR. Recent hospital admission should be assessed carefully before elective EVAR. Medical optimization with an attempt to delay elective surgery by up to 30 days may help to improve surgical outcomes and decrease unnecessary health care expenditures.Copyright © 2020 Society for Vascular Surgery. Published by Elsevier Inc. All rights reserved.

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