• Petralia Cateno Concetto Tito CCT Department of Neurosurgery, University Hospital of Wales, Cardiff, Wales, United Kingdom; Department of Neurosciences, Cardiff Universit, Susruta Manivannan, Dmitri Shastin, Feras Sharouf, Omar Elalfy, and Malik Zaben.
• Department of Neurosurgery, University Hospital of Wales, Cardiff, Wales, United Kingdom; Department of Neurosciences, Cardiff University, Cardiff, Wales, United Kingdom. Electronic address: titopetralia8@gmail.com.
• World Neurosurg. 2020 Jun 1; 138: e35-e41.

BackgroundChronic subdural hemorrhage (CSDH) is a common neurosurgical pathology. While acute deterioration is managed surgically, the optimal management of patients with neurologically stable CSDH remains uncertain. Despite an increasing interest in the use of corticosteroids, it is unclear whether this reduces the rate of subsequent crossover to surgery. In this study we evaluate rate of crossover to surgery in such patients managed in our Neurosurgical unit.MethodsA retrospective database search over a 2-year period was performed. A multi-database literature review was also conducted to identify relevant articles reporting rate of subsequent surgery in CSDH patients managed with corticosteroids.ResultsA total of 532 CSDH patients were identified. Subsequently, a total of 364 patients who were managed conservatively were included for further analysis. The majority (315 patients; 59.1%) were managed conservatively. Forty-nine patients (9.2%) received steroids as first-line treatment. There was considerable variation in steroid dosing regimens, with the commonest involving 4 mg dexamethasone three times daily for 5 days. Four patients in the steroid group required subsequent surgery (8.2%), compared with 22 conservatively managed patients (7.0%). Statistical analysis revealed no significant difference in the rate of surgery (chi-square 0.089, difference 1, P = 0.77).ConclusionsCurrent evidence implicates a potentially beneficial role of dexamethasone in the management of CSDH. However, it remains unclear whether the rate of crossover to surgery is reduced in patients treated with corticosteroids compared with those managed conservatively. A longer duration of study with detailed analysis of individual cases and appropriately randomized cohorts are necessary to draw more reliable conclusions.Copyright © 2020 Elsevier Inc. All rights reserved.

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