Volume 66, Issue 5 (5 2008)                   Tehran Univ Med J 2008, 66(5): 322-326 | Back to browse issues page

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Lotfinia I, Shakere M, Shimia M, Mahbobee B, Mashrabi O. Chronic subdural hematoma: a comparison of two drainage methods. Tehran Univ Med J. 2008; 66 (5) :322-326
URL: http://tumj.tums.ac.ir/article-1-598-en.html
1- Department of Neurosurgery, Tabriz University of Medical Sciences
2- General Physician, Statistician
Abstract:   (7724 Views)

Background: Chronic Subdural Hematoma (CSDH) is one of the most common challenges of neurosurgeons. Most predominant among the elderly, the incidence increases incrementally with age and might lead to permanent severe complications. The aim of this study is to outline the symptoms and signs and to compare the outcomes and complications among two groups of patients who underwent two different surgical procedures.
Methods: In a cross-sectional and descriptive-analytical study performed on 125 patients with CSDH from 2000 to 2005. Computed tomography scan was used for diagnostic imaging in all cases and magnetic resonance imaging was also obtained for six patients. In one center, group 1, which included 82 patients, underwent surgery with a single burr hole and closed drainage, and, at another center, group 2, which included 43 patients, was treated with a method using two burr holes and close drainage.
Results: Of the 125 patients, 102 were male and 23 were female. The mean age of patients was 65.79±16.41 years. The most common symptoms were weakness in extremities (78.4%), headache (72.8%) and decreased level of consciousness (24%), respectively. At presentation, 88 (70.4%) of the patients had several symptoms and 37 (29.6%) had only one symptom. A history of mild head trauma, such as falling, was observed in 83 (68%) of the patients. The interval between head trauma and the onset of symptoms ranged from 10 to 120 days (mean: 46 days). Hematoma recurred in five cases from group 1, whereas two cases from group 2 had recurrence of hematoma. Postoperative epidural hematoma developed in one case from group 2 and tension pneumocephalus also occurred in one group 2 patients.

Conclusion: As a treatment for CSDH, the single burr hole method was significantly better than the two burr hole method.

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