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KMID : 1001920200630040513
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Journal of Korean Neurosurgical Society
2020 Volume.63 No. 4 p.513 ~ p.518
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Influence of Antithrombotic Medication on the Risk of Chronic Subdural Hematoma Recurrence after Burr-Hole Surgery
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Choi Jong-Wook
Pyen Jin-Su
Cho Sung-Min
Kim Jong-Yeon
Koo Youn-Moo
Whang Kum
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Abstract
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Objective: Chronic subdural hematoma (CSDH) is one of the most common intracranial hemorrhages. It can be managed with a simple surgical treatment such as burr-hole trephination and drainage. However, it has a relatively high recurrence rate. The mechanisms and risk factors for the recurrence have not yet been clearly identified and studies have reported varying results.
Methods: We analyzed 230 patients with CSDH who were treated with burr-hole trephination and drainage at our institution from March 2011 to March 2016. The patients were divided into recurrence and non-recurrence groups and the medical records of each group were used to analyze the risk factors associated with CSDH recurrence.
Results: After burr-hole trephination and drainage, CSDH recurrence was observed in 49 (21.3%) of the 230 patients. In univariate analysis, none of the factors showed statistical significance with respect to CSDH recurrence. In multivariate analysis, preoperative antithrombotic medication was the only independent risk factor for CSDH recurrence (odds ratio, 2.407; 95% confidence interval, 1.047-5.531).
Conclusion: The present study found that preoperative antithrombotic medication was independently associated with CSDH recurrence.
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KEYWORD
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Hematoma, Subdural, Chronic, Recurrence, Anticoagulants, Platelet aggregation inhibitors
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