24 or 48 hours of drainage after operation for a blood collection on the brain's surface

Twenty-four versus 48 hours drainage after burr hole evacuation of chronic subdural hematoma: A national randomized controlled study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN17021467

Enrollment

420

Registered

2020-10-30

Start date

2018-09-01

Completion date

Unknown

Last updated

2020-11-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Preventing prolonged immobilisation due to presence of a subdural drain after evacuation of chronic subdural hematoma Injury, Occupational Diseases, Poisoning

Interventions

Participants were randomized to either 24 or 48 hours of closed, subdural, passive drainage following a single burr hole evacuation of a chronic subdural hematoma (CSDH). After the op

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients age 60 or above who presented with a symptomatic CSDH proven by computed tomography or magnetic resonance

Exclusion criteria

Exclusion criteria: 1. Previous intracranial surgery and known head injury within the last 14 days prior to surgery 2. Patients treated with craniotomy, multiple burr holes, subgaleal drain placement and if the drain was removed prior to study inclusion by either the patient or hospital staff 3. Patients unable to give formal consent

Design outcomes

Primary

Measure	Time frame
Recurrent hematomas within 90 days measured using patient records	—

Secondary

Measure	Time frame
Death within 90 days measured using patient records	—

Countries

Denmark

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026