NCT06911736

Brief Summary

Objective: Determine the effect of the postoperative trendelenburg position on the recurrence of chronic subdural hematoma (CSH) in patients undergoing surgery. Materials and Methods: An open-label, randomized, controlled clinical trial was conducted in three hospitals in Medellín. Patients with CSH were enrolled and assigned to the trendelenburg position (30° leg elevation and 10° head tilt) or a flat bed for 24 hours postoperatively. CSH recurrence was measured at 3 months, along with functional outcome (modified Rankin scale), adverse events, and comfort (Likert scale).

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
254

participants targeted

Target at P75+ for not_applicable

Timeline
11mo left

Started Jun 2024

Typical duration for not_applicable

Geographic Reach
1 country

3 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress66%
Jun 2024Apr 2027

Study Start

First participant enrolled

June 1, 2024

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 28, 2025

Completed
21 days until next milestone

First Submitted

Initial submission to the registry

March 21, 2025

Completed
14 days until next milestone

First Posted

Study publicly available on registry

April 4, 2025

Completed
2.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

April 30, 2027

Expected
Last Updated

April 22, 2025

Status Verified

May 1, 2024

Enrollment Period

9 months

First QC Date

March 21, 2025

Last Update Submit

April 16, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Recurrence

    Proportion of patients who experienced recurrence of chronic subdural hematoma at 3 months of follow-up and required repeat surgery

    3 months

Secondary Outcomes (1)

  • proportion of patients with favorable functional outcome at 3 months, as measured by the modified Rankin Scale.

    3 months

Study Arms (2)

Control

NO INTERVENTION

Control group received the usual postoperative care for patients with CSH, which consisted of strict neurological monitoring for at least 24 hours in an inpatient ward or a more complex setting depending on the patient's clinical condition. The head of the patient was positioned neutral (0°), as were the lower limbs, according to institutional care guidelines. The drain (a latex-gloved reservoir or Hemovac drain) was positioned inferior to the head to promote drainage of any subdural debris. Negative pressure was not used except in patients with Hemovac and a subgaleal drain. Typically, after 24 hours of clinical monitoring and symptom improvement, the drain was removed, and the patient was sent home with recommendations and warning signs, if the patient's clinical condition permitted. Postoperative follow-up imaging was not routinely performed as there was no evidence of clinical benefit.

Trendelenburg

EXPERIMENTAL

In addition to the management described above, the postoperative position was modified in the intervention group (trendelenburg). After admission to the hospital unit (general ward, special care, or intensive care unit), the patient's position was adjusted with a 30° leg elevation and a 10° downward head tilt. Proper positioning was verified with a goniometer. This position was maintained until the drains were removed, and the patient was then positioned according to usual care. If the patient decided to get out of bed, the nurse occluded the drains and reopened them when the patient returned to the position described for each group.

Other: Trendelenburg position

Interventions

In addition to the management described above, the postoperative position was modified in the intervention group (trendelenburg). After admission to the hospital unit (general ward, special care, or intensive care unit), the patient's position was adjusted with a 30° leg elevation and a 10° downward head tilt. Proper positioning was verified with a goniometer. This position was maintained until the drains were removed, and the patient was then positioned according to usual care. If the patient decided to get out of bed, the nurse occluded the drains and reopened them when the patient returned to the position described for each group.

Trendelenburg

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • The study included patients aged 18 years or older who required surgical management of symptomatic CSH confirmed by CT scan and whose informed consent was given by the patient or responsible family member to participate in the study

You may not qualify if:

  • Pregnant or breastfeeding
  • Conditions in which the trendelenburg position might not be safe, such as intracranial hypertension without a drain to allow evacuation of the hematoma, cardiovascular instability (severe heart failure, unstable angina, cardiogenic pulmonary edema), acute respiratory distress syndrome without a secure airway, glaucoma, spinal cord trauma not stabilized with surgery, peripheral vascular disease,
  • History of ipsilateral chronic subdural hematoma drainage, intracranial hypotension syndrome, ventriculoperitoneal shunting
  • Simultaneous participation in any other clinical trial.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Clinica CES

Medellín, Antioquia, 050001, Colombia

RECRUITING

Hospital San Vicente Fundación

Medellín, Antioquia, 050001, Colombia

RECRUITING

Instituto Neurologico de Colombia

Medellín, Antioquia, 050001, Colombia

RECRUITING

Related Publications (1)

  • Hamou H, Alzaiyani M, Pjontek R, Kremer B, Albanna W, Ridwan H, Clusmann H, Hoellig A, Veldeman M. Risk factors of recurrence in chronic subdural hematoma and a proposed extended classification of internal architecture as a predictor of recurrence. Neurosurg Rev. 2022 Aug;45(4):2777-2786. doi: 10.1007/s10143-022-01790-8. Epub 2022 Apr 23.

    PMID: 35461433BACKGROUND

MeSH Terms

Conditions

Hematoma, Subdural, ChronicRecurrence

Interventions

Head-Down Tilt

Condition Hierarchy (Ancestors)

Hematoma, SubduralIntracranial Hemorrhage, TraumaticIntracranial HemorrhagesCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesCraniocerebral TraumaTrauma, Nervous SystemVascular DiseasesCardiovascular DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsHematomaHemorrhageWounds and Injuries

Intervention Hierarchy (Ancestors)

PostureMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Central Study Contacts

Jorge H Montenegro, Neurosurgery resident

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
The nature of this intervention did not allow for masking of treatment allocation, so both patients and their care team knew their assigned arm, while outcome assessors and data analysts remained blinded to the allocation.
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Neurosurgeon

Study Record Dates

First Submitted

March 21, 2025

First Posted

April 4, 2025

Study Start

June 1, 2024

Primary Completion

February 28, 2025

Study Completion (Estimated)

April 30, 2027

Last Updated

April 22, 2025

Record last verified: 2024-05

Locations