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- Thorbjørn Søren Rønn Jensen, Nina Andersen-Ranberg, Frantz Rom Poulsen, Bo Bergholt, Torben Hundsholt, and Kåre Fugleholm.
- Department of Neurosurgery, Rigshospitalet, Copenhagen, Denmark. Electronic address: tjens07@gmail.com.
- World Neurosurg. 2022 Dec 1; 168: e178e186e178-e186.
BackgroundTreatment of multiple recurrent chronic subdural hematomas (CSDH) is challenging. Identification of specific risk factors for multiple recurrences may allow a higher degree of personalized treatment, including closer postoperative follow-up, detailed prognostication, and a more aggressive initial surgical strategy, such as craniotomy, adjuvant embolization of the middle meningeal artery, or adjuvant medical treatment, such as steroids. The aim of this study was to identify pretreatment risk factors for a second recurrence of CSDH (re-re-CSDH) and risk factors for developing re-re-CSDH once operated for the first recurrence.MethodsClinical and demographic data on all Danish patients admitted to a neurosurgical department with CSDH between 2010 and 2012 were retrospectively recorded. Data were retrieved before the evacuation of a primary CSDH, a first recurrent CSDH (re-CSDH), and a re-re-CSDH. We compared patients undergoing first, second, and third CSDH evacuation to identify risk factors for re-CSDH and re-re-CSDH.ResultsThe cohort comprised 1052 patients, with 172 patients with re-CSDH and 29 patients with re-re-CSDH. Risk factors for re-re-CSDH included radiological subtype, midline shift, and hematoma volume, while postoperative drainage lowered the risk of re-re-CSDH. These risk factors were not specific for re-re-CSDH.ConclusionsWe found similar independent risk factors for re-CSDH and re-re-CSDH, and for re-re-CSDH once treated for re-CSDH. Hence, it was not possible to identify specific risk factors for patients at risk of re-re-CSDH at the time of the primary diagnosis.Copyright © 2022 Elsevier Inc. All rights reserved.
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