Effect of the postoperative Trendelenburg position on chronic subdural hematoma recurrence: a pilot clinical trial

Jorge H Montenegro1,2,3, Santiago Ángel1, Pablo A Botero4

  • 11Department of Neurosurgery, Universidad de Antioquia, Medellín.

Neurosurgical Focus
|October 1, 2025
PubMed

Insights

The postoperative Trendelenburg position significantly reduced chronic subdural hematoma (CSH) recurrence and improved patient outcomes after surgical drainage. This finding suggests a potential new standard of care for CSH patients.

Area of Science:

  • Neurosurgery
  • Clinical Trials
  • Patient Outcomes

Background:

  • Chronic subdural hematoma (CSH) is a common neurosurgical condition.
  • Surgical drainage is the primary treatment for symptomatic CSH.
  • Recurrence rates after surgical drainage can be significant, impacting patient recovery.

Purpose of the Study:

  • To evaluate the impact of the postoperative Trendelenburg position on CSH recurrence.
  • To assess functional outcomes and patient comfort following surgical drainage for CSH.
  • To investigate the efficacy of the Trendelenburg position in preventing CSH re-accumulation.

Main Methods:

  • A pilot randomized controlled trial involving 46 patients with CSH across three Colombian hospitals.
  • Patients were assigned to either a 24-hour postoperative Trendelenburg position (intervention) or a flat position (control).
  • Outcomes measured included CSH recurrence at 3 months, modified Rankin Scale (mRS) scores, adverse events, and patient comfort.

Main Results:

  • CSH recurrence was significantly lower in the Trendelenburg group (4.8%) compared to the control group (28.6%; p = 0.038).
  • Favorable functional outcomes (mRS 0-2) were achieved in 95.2% of the intervention group versus 66.7% in the control group (p = 0.025).
  • Patient comfort levels were comparable between the two groups (p = 0.979).

Conclusions:

  • The postoperative Trendelenburg position demonstrates a significant association with reduced CSH recurrence.
  • Improved functional outcomes at 3 months were observed in patients treated with the Trendelenburg position post-surgery.
  • Further clinical studies are warranted to solidify these findings and guide clinical practice for CSH management.
Abstract

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