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  • Title: Randomized comparative study of burr-hole craniostomy versus twist drill craniostomy; surgical management of unilateral hemispheric chronic subdural hematomas.
    Author: Gökmen M, Sucu HK, Ergin A, Gökmen A, Bezircio Lu H.
    Journal: Zentralbl Neurochir; 2008 Aug; 69(3):129-33. PubMed ID: 18666056.
    Abstract:
    OBJECTIVE: Although there is a tendency to minimize the surgical procedures for chronic subdural hematomas, there is no agreement on the optimal treatment. In the literature there is only one published result of a randomized study comparing twist drill craniostomy with burr-hole craniostomy. We aimed to compare twist drill craniostomy with burr-hole craniostomy for the treatment of unilateral hemispheric chronic subdural hematomas in adults. MATERIAL AND METHODS: The study was planned as a prospective, randomized, controlled investigation. Between November 2002 and April 2006, 70 patients (54 male and 16 female) with unilateral hemispheric chronic subdural hematomas were operated. 32 patients underwent burr-hole craniostomy and 38 patients were treated by twist drill craniostomy. After discharge, the patients were followed up at 1, 3 and 6 months after operation. Mortality, morbidity, surgical complications requiring reoperation, duration of hospitalization, recurrence, total number of reoperations, and cure rates were compared. RESULTS: Two patients died and one patient developed 6th nerve paresis in the inpatient period. There were three recurrences (two in the burr-hole craniostomy group, one in the twist drill craniostomy group) and in one patient from the burr-hole craniostomy group a chronic subdural hematoma developed on the contralateral side postoperatively. There was no significant difference clinically and radiologically between the two groups at any time period. CONCLUSION: Both surgical methods seem effective for the treatment of unilateral chronic subdural hematomas.
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