Related Experiment Video
Updated: Jun 1, 2026

A Bedside, Single Burr Hole Approach to Multimodality Monitoring in Severe Brain Injury
Published on: March 26, 2019
Comparing twist-drill drainage with burr hole drainage for chronic subdural hematoma
1Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin 300060, China. linxin6936@yahoo.com.cn
Insights
Twist-drill drainage without irrigation is a safe and effective surgical option for chronic subdural hematoma (CSDH). This method offers a cost-effective alternative with better outcomes compared to burr-hole drainage with irrigation.
Area of Science:
- Neurosurgery
- Surgical Neurology
Background:
- Chronic subdural hematoma (CSDH) management lacks a standardized therapeutic approach due to poorly understood pathogenic mechanisms.
- Establishing a simple and efficient surgical procedure for CSDH is a clinical necessity.
Purpose of the Study:
- To evaluate and compare the efficacy of two distinct surgical techniques for CSDH treatment.
- To identify the optimal initial surgical management for CSDH.
Main Methods:
- A retrospective analysis of 448 CSDH patients undergoing surgical treatment between 2005 and 2009.
- Comparison of twist-drill drainage without irrigation (Group A, n=178) versus burr-hole drainage with irrigation (Group B, n=270).
Main Results:
- Group A (twist-drill, no irrigation) demonstrated a lower reoperation rate (7.9%) compared to Group B (burr-hole, irrigation) (11.9%).
- Good outcome rates were higher in Group A (88.8%) versus Group B (75.5%).
- Complication rates were significantly lower in Group A (7.9%) than in Group B (20.7%).
Conclusions:
- Surgical irrigation of the hematoma cavity during burr-hole drainage does not improve outcomes or prognosis for CSDH.
- Twist-drill drainage without irrigation is a recommended initial surgical treatment for CSDH due to its safety, time efficiency, and cost-effectiveness.
Objective:
The surgical management of chronic subdural hematoma (CSDH) is still a controversial issue, and a standard therapy has not been established because of the unclear pathogenic mechanisms in CSDH. The intention of this paper is to find a simple and efficient surgical procedure for CSDH.
Methods:
A retrospective study of 448 patients with CSDH by surgical treatment during 2005 to 2009 was conducted in order to compare the efficiency between two different primary surgical methods, i.e. twist-drill drainage without irrigation in Group A (n equal to 178) and one burr-hole with irrigation in Group B (n equal to 270). The results were statistically analyzed.
Results:
The reoperation rates in Group A and Group B were 7.9% and 11.9% respectively. The good outcome rate was 88.8% and 75.5%, the complication was 7.9% and 20.7% in Group A and Group B, respectively.
Conclusions:
The burr-hole drainage with irrigation of the hematoma cavity is not beneficial to the outcome and prognosis. Irrigation is not important in the surgical treatment for CSDH. Thus in initial treatment, twist-drill drainage without irrigation of the hematoma cavity is recommended because it is relatively safe, time-saving and cost-effective.