A comparative study of irrigation versus no irrigation during burr hole craniostomy to treat chronic subdural hematoma.

BMC Surg. 2017 Sep 11;17(1):99. doi: 10.1186/s12893-017-0295-x.

A comparative study of irrigation versus no irrigation during burr hole craniostomy to treat chronic subdural hematoma.

Abstract

BACKGROUND:

Burr hole craniostomy is a widely used method for the evacuation of CSDH. However it is not clear whether the irrigation during operation improves the prognosis or gives rise to additional complications instead. This retrospective cohort study was conducted to determine this issue.

METHODS:

Patients attending two medical centers in China who underwent burr hole drainage with irrigation (BHDI) or burr hole drainage without irrigation (BHD) for unilateral CSDH during January 2013 to December 2016 were included in this study. The patients’ clinical information and follow-up data were retrospectively reviewed, and the radiologic findings were processed using the 3D Slicer software. The differences in outcomes were identified using t-test, chi-square test, or Fisher’s exact test.

RESULTS:

A total of 151 patients comprising 63 patients in the BHD group and 88 patients in the BHDI group were included. Patients in the BHDI group had a higher volume of pneumocrania on the first postoperative day than that of patients in the BHD group (p < 0.05). No significant differences were observed between the two approaches in rates of rebleeding, recurrence and other complications (p > 0.05).

CONCLUSIONS:

Irrigation had no improvement in the long-term curative effect on CSDH, but it increased the risk of short-term complication in terms of pneumocrania. Therefore, this study suggests that irrigation is not an obligatory procedure during burr hole drainage.

KEYWORDS:

Burr hole; Chronic subdural hematoma; Drainage; Irrigation; Outcome

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