The incidence of venous thromboembolism following surgical resection of intracranial and intraspinal meningioma. A systematic review and retrospective study

Rose Fluss, Andrew J. Kobets, Julio F. Inocencio, Mousa Hamad, Chaim Feigen, David J. Altschul, Patrick Lasala

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Introduction: Historically, the development of venous thromboembolism (VTE) including deep venous thrombosis (DVT) and pulmonary thromboembolism (PE) was cited as a higher post-operative risk for patients harboring meningiomas. However, recent literature has suggested that there may be no elevated risk for VTE among these patients. The authors perform both a retrospective review of their own cases as well as a systematic review of the literature in order to determine the frequency of the VTE and rate of post-operative hemorrhage in this patient population. Methodology: Patients undergoing surgery for intracranial and spinal meningioma from 2012 to 2019 were retrospectively reviewed for patient demographics, clinical characteristics, and post-operative complications. Logistic regression was used to determine risk factors for the development of VTE. Additionally, a PubMed search was performed to identify patients addressing this topic. Results: Our retrospective review included 189 patients who underwent 197 operations. The rate of VTE for patients receiving LMWH was 3.55 % vs. 4.06 % for those not receiving LMWH. There were no observed hemorrhages after initiation of LMWH. Multivariate analysis found tumor volume, history of DVT, and length of hospital stay as independent risk factors for VTE. In the systematic review, 11 papers describing 28,954 patients were included. The risk of developing a VTE with or without LMWH was 2.71 % versus 4.07 %, respectively. The hemorrhage risk was 2.23 % on LMWH versus 4.20 % not on LMWH. Discussion: In several heterogeneous series of all types of neurosurgical procedures, the reported rate of VTE was 11.1 %. In our review of the literature, the VTE rate of 2.71 % was similar to our cohort's rate of 3.55 %, for patients administered LMWH postoperatively. Higher rates of VTE with meningiomas may not be the case as once thought. Regular use of LMWH appears to be a safe, but it also did not necessarily lower the rates of VTE in our cohort. The use of routine lower-extremity duplex ultrasound, mechanical prophylaxis, and early mobilization, may have contributed to these lower rates of VTEs in patients with meningiomas.

Original languageEnglish (US)
Article number106460
JournalClinical Neurology and Neurosurgery
StatePublished - Feb 2021


  • Deep vein thrombosis
  • Low-molecular-weight-heparin
  • Lower-extremity duplex ultrasound
  • Meningioma
  • Pulmonary embolism
  • Venous thromboembolism

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology


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