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Early spontaneous cessation of subdural drainage after burr hole evacuation of chronic subdural hematoma and risk of recurrence

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  • Mads Hjortdal Grønhøj
  • Thorbjørn Søren Rønn Jensen
  • Bjarni Johannsson
  • Kåre Fugleholm
  • Frantz Rom-Poulsen

Abstract

Objective: Subdural drainage reduces recurrence after evacuation of chronic subdural hematoma (CSDH). In the present study, the authors investigated the dynamics of drain production and potentially contributing factors for recurrence. Method: Patients treated with a single burr hole evacuation of CSDH between April 2019 and July 2020 were included. Patients were also participants in a randomized controlled trial. All patients included, had a passive subdural drain for exactly 24 hours. Drain production, Glasgow Coma Scale score, and degree of mobilization was recorded every hour for 24 hours. A CSDH successfully drained for 24 hours is referred to as a “case”. Patients were followed for 90 days. Primary outcome was symptomatic recurrent CSDH requiring surgery. Results: A total of 118 cases from 99 patients were included in the study. Of the 118 cases, 34 (29%) had spontaneous drain cessation within the first 0–8 hours after surgery (Group A), 32 (27%) within 9–16 hours (Group B), and 52 (44%) within 17–24 hours (Group C). Hours of production (P

Suggested Citation

  • Mads Hjortdal Grønhøj & Thorbjørn Søren Rønn Jensen & Bjarni Johannsson & Kåre Fugleholm & Frantz Rom-Poulsen, 2023. "Early spontaneous cessation of subdural drainage after burr hole evacuation of chronic subdural hematoma and risk of recurrence," PLOS ONE, Public Library of Science, vol. 18(5), pages 1-12, May.
    • Handle: RePEc:plo:pone00:0285750
    DOI: 10.1371/journal.pone.0285750
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