• Eric H Abello, Joel S Feier, Arash Abiri, Jonathan C Pang, Lauren Liu, Cecilia H H Nguyen, Dean D Chung, HsuFrank P KFPKDepartment of Neurological Surgery, University of California Irvine Medical Center, Orange, CA, USA., and Edward C Kuan.
• Department of Otolaryngology - Head and Neck Surgery, University of California Irvine Medical Center, Orange, CA, USA.
• World Neurosurg. 2024 Oct 8.

IntroductionDeep venous thromboembolisms (DVT) increase morbidity in postoperative patients, and no current guidelines identify which patients undergoing endoscopic endonasal approach (EEA) to the skull base may be at increased risk. Postoperative care for these patients often includes a period of inactivity to prevent transient ICP shifts which may impact skull base reconstruction. We seek to characterize if postoperative bedrest puts EEA patients at increased risk of developing thromboembolic complications.MethodsRetrospective chart review of patients undergoing intradural surgery with primary skull base reconstruction for intraoperative CSF leak via EEA for any skull base pathology between July 2018 and May 2024 was performed yielding 221 patients who met inclusion criteria. Univariate and multivariable regression were performed with patient demographics, extent of approach, intraoperative leak flow rate, bedrest duration, presence and length of postoperative lumbar drainage (LD), and use of postoperative mechanical VT prophylaxis.ResultsThe mean age of included patients was 52.6 ± 16.8 years, 48% were male, and 3.6% of patients had DVTs. Age (OR 1.01, 95% CI 0.96-1.06, p=0.83), sex (OR 0.40, 95% CI 0.05-2.19, p=0.31), BMI (OR 0.98, 95% CI 0.87-1.07, p=0.74), extended approach (OR 0.80, 95% CI 0.13-4.36, p=0.80), CSF leak flow rate (OR 5.71, 95% CI 0.77-118.90, p=0.14), bedrest duration (OR 1.06, 95% CI 0.77-1.27, p=0.60), and presence of LD (OR 1.10, 95% CI 0.55-2.02, p=0.76) were not significant predictors of postoperative VTE incidence on multivariable analysis.ConclusionShort-term bedrest after EEA is not a risk factor for development of VTE in the immediate postoperative period.Copyright © 2024 Elsevier Inc. All rights reserved.

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