• Kimihiko Yokosuka, Masaaki Uno, Kohei Matsumura, Hiroki Takai, Hirotaka Hagino, Nobuhisa Matsushita, Hiroyuki Toi, and Shunji Matsubara.
• Department of Neurosurgery, Kawasaki Medical School, Kurashiki, Okayama, Japan.
• J. Neurosurg. 2015 Oct 1; 123 (4): 1065-9.

ObjectEndoscopic surgery was performed for acute or subacute subdural hematoma (SDH), and its effectiveness and safety in elderly patients were evaluated.MethodsBetween September 2007 and November 2013, endoscopic surgery was performed in 11 elderly patients with acute SDH (8 patients) and subacute SDH (3 patients). The criteria for surgery were as follows: 1) the presence of clinical symptoms; 2) age older than 70 years; 3) no brain injury (intracerebral hematoma, brain contusion); 4) absence of an enlarging SDH; and 5) no high risk of bleeding. Hematoma evacuation was performed with a 4-mm rigid endoscope with a 0° lens and a malleable irrigation suction cannula.ResultsEndoscopic surgery was performed under local anesthesia. The mean age of the patients was 82.6 years (range 73-91 years). There were 5 female and 6 male patients. The mean preoperative Glasgow Coma Scale score was 12, and 5 patients had been receiving antithrombotic drug therapy. The mean operation time was 85 minutes. Only 1 patient had rebleeding, and reoperation with the same technique was performed uneventfully in this individual. A total of 7 patients had a good recovery (modified Rankin Scale Score 0-2) at discharge.ConclusionsEndoscopic hematoma evacuation of acute and subacute SDH is a safe and effective method of clot removal that minimizes operative complications. This technique may be a less invasive method for treating elderly patients with acute and subacute SDHs.

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