• Andrew B Koo, Aladine A Elsamadicy, Wyatt B David, Cheryl K Zogg, Corrado Santarosa, Nanthiya Sujijantarat, Stephanie M Robert, Adam J Kundishora, Branden J Cord, Ryan Hebert, Farhad Bahrassa, Ajay Malhotra, and Charles C Matouk.
• Department of Neurosurgery, Yale University School of Medicine, New Haven, Connecticut, USA.
• World Neurosurg. 2020 Jul 1; 139: e212e219e212-e219.

ObjectiveSubdural hematoma (SDH), a form of traumatic brain injury, is a common disease that requires extensive patient management and resource utilization; however, there remains a paucity of national studies examining the likelihood of readmission in this patient population. The aim of this study is to investigate differences in 30- and 90-day readmissions for treatment of traumatic SDH using a nationwide readmission database.MethodsThe Nationwide Readmission Database years 2013-2015 were queried. Patients with a diagnosis of traumatic SDH and a primary procedure code for incision of cerebral meninges for drainage were identified using the International Classification of Diseases, Ninth Revision, Clinical Modification coding system. Patients were grouped by no readmission (Non-R), readmission within 30 days (30-R), and readmission within 31-90 days (90-R).ResultsWe identified a total of 14,355 patients, with 3106 (21.6%) patients encountering a readmission (30-R: n = 2193 [15.3%]; 90-R: n = 913 [6.3%]; Non-R: n = 11,249). The most prevalent 30- and 90-day diagnoses seen among the readmitted cohorts were postoperative infection (30-R: 10.5%, 90-R: 13.0%) and epilepsy (30-R: 3.7%, 90-R: 1.1%). On multivariate logistic regression analysis, Medicare, Medicaid, hypertension, diabetes, renal failure, congestive heart failure, and coagulopathy were independently associated with 30-day readmission; Medicare and rheumatoid arthritis/collagen vascular disease were independently associated with 90-day readmission.ConclusionsIn this study, we determine the relationship between readmission rates and complications associated with surgical intervention for traumatic subdural hematoma.Copyright © 2020 Elsevier Inc. All rights reserved.

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