Early unplanned readmission of neurosurgical patients after treatment of intracranial lesions: a comparison between surg

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ORIGINAL ARTICLE - NEUROSURGERY GENERAL

Early unplanned readmission of neurosurgical patients after treatment of intracranial lesions: a comparison between surgical and non-surgical intervention group Caroline Sander 1 & Henry Oppermann 1 & Ulf Nestler 1 & Katharina Sander 2 & Nikolaus von Dercks 3 & Jürgen Meixensberger 1 Received: 27 April 2020 / Accepted: 30 July 2020 # The Author(s) 2020

Abstract Background Recent health care policy making has highlighted the necessity for understanding factors that influence readmission. To elucidate the rate, reason, and predictors of readmissions in neurosurgical patients, we analyzed unscheduled readmissions to our neurosurgical department after treatment for cranial or cerebral lesions. Methods From 2015 to 2017, all adult patients who had been discharged from our Department of Neurosurgery and were readmitted within 30 days were included into the study cohort. The patients were divided into a surgical and a non-surgical group. The main outcome measure was unplanned inpatient admission within 30 days of discharge. Results During the observation period, 183 (7.4%) of 2486 patients had to be readmitted unexpectedly within 30 days after discharge. The main readmission causes were surgical site infection (34.4 %) and seizure (16.4%) in the surgical group, compared to natural progression of the original diagnosis (38.2%) in the non-surgical group. Most important predictors for an unplanned readmission were younger age, presence of malignoma (OR: 2.44), and presence of cardiovascular side diagnoses in the surgical group. In the non-surgical group, predictors were length of stay (OR: 1.07) and the need for intensive care (OR: 5.79). Conclusions We demonstrated that reasons for readmission vary between operated and non-operated patients and are preventable in large numbers. In addition, we identified treatment-related partly modifiable factors as predictors of unplanned readmission in the non-surgical group, while unmodifiable patient-related factors predominated in the surgical group. Further patient-related risk adjustment models are needed to establish an individualized preventive strategy in order to reduce unplanned readmissions. Keywords Neurosurgery . Surgical treatment . Conservative treatment . Intervention . 30-day readmission . Unplanned readmission . Adverse events

Introduction This article is part of the Topical Collection on Neurosurgery general Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00701-020-04521-4) contains supplementary material, which is available to authorized users. * Caroline Sander [email protected] 1

Department of Neurosurgery, University Hospital Leipzig, Liebigstrasse 20, 04103 Leipzig, Germany

2

Berlin, Germany

3

Department for Medical Controlling, University Hospital Leipzig, Liebigstrasse 18, 04103 Leipzig, Germany

Early readmission has emerged as a surrogate marker for assessing the quality of hospitals. Since financial hospital reimbursement policies are becoming m