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Multicenter Study
. 2020 Mar 13;20(1):92.
doi: 10.1186/s12883-020-01669-5.

Predictors of acute intracranial hemorrhage and recurrence of chronic subdural hematoma following burr hole drainage

Fu Mei Chen  1 , Ke Wang  2 , Kang Li Xu  1 , Li Wang  3 , Tian Xiang Zhan  4 , Fei Cheng  5 , Hao Wang  6 , Zuo-Bing Chen  7 , Liang Gao  8 , Xiao Feng Yang  9
Affiliations
Multicenter Study

Predictors of acute intracranial hemorrhage and recurrence of chronic subdural hematoma following burr hole drainage

Fu Mei Chen et al. BMC Neurol. .

Abstract

Background: To investigate predictors of postoperative acute intracranial hemorrhage (AIH) and recurrence of chronic subdural hematoma (CSDH) after burr hole drainage.

Methods: A multicenter retrospective study of patients who underwent burr hole drainage for CSDH between January 2013 and March 2019.

Results: A total of 448 CSDH patients were enrolled in the study. CSDH recurrence occurred in 60 patients, with a recurrence rate of 13.4%. The mean time interval between initial burr hole drainage and recurrence was 40.8 ± 28.3 days. Postoperative AIH developed in 23 patients, with an incidence of 5.1%. The mean time interval between initial burr hole drainage and postoperative AIH was 4.7 ± 2.9 days. Bilateral hematoma, hyperdense hematoma and anticoagulant drug use were independent predictors of recurrence in the multiple logistic regression analyses. Preoperative headache was an independent risk factor of postoperative AIH in the multiple logistic regression analyses, however, intraoperative irrigation reduced the incidence of postoperative AIH.

Conclusions: This study found that bilateral hematoma, hyperdense hematoma and anticoagulant drug use were independently associated with CSDH recurrence. Clinical presentation of headache was the strongest predictor of postoperative AIH, and intraoperative irrigation decreased the incidence of postoperative AIH.

Keywords: Acute intracranial hemorrhage; Burr hole drainage; Chronic subdural hematoma; Intraoperative irrigation; Recurrence.

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Conflict of interest statement

The authors declare that they have no competing interests.

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