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Syringomyelia rarely accompanies hydrocephalus in the aged person except for the cases with a typical Chiari malformation. A 59-year-old woman developed progressive generalized weakness and gait disturbance for 9 years. MRI demonstrated marked enlargement of the cerebral ventricles and the longitudinal dilatation of central canal involving the entire spinal cord, whereas a typical Chiari malformation was absent. She was successfully treated by ventriculoperitoneal shunting. We report a hydrocephalic patient in her 50's accompanied by syringomyelia without a typical Chiari malformation.
Recurrent hypersomnia is a disorder characterized by recurrent episodes of hypersomnia that typically occur weeks or months apart. We describe a 60-year-old woman with a four-year history of recurrent hypersomnia. Physical examinations, laboratory tests, and brain MRI showed no significant abnormality in the patient. Nocturnal polysomnographic study showed high sleep efficiency, absent sleep stage 3&4, and reduced sleep latency. The multiple sleep latency tests showed short sleep latency and five episodes of sleep-onset REM periods. This is the oldest known case of recurrent hypersomnia.
Background: The use of recombinant tissue plasminogen activator (rt-PA) in acute lacunar infarction has been debated because of its benign natural course and different pathomechanisms. The purpose of this study is to show the safety and feasibility of intravenous thrombolysis in acute lacunar infarction. Methods: We retrospectively reviewed data from our acute stroke registry which as collected 53 prospective patients underwent intravenous thrombolysis from May 2006 to December 2006. Among them, 10 patients were subdivided into lacunar infarction. Clinical profiles, radiological data, and clinical outcomes were obtained. We defined excellent clinical outcome as National Institutes of Health Stroke Scale score 0 or 1 and an improvement of the score more than 3 on follow-up examination at 7 days. We also defined good clinical outcome as modified Rankin Scale score 0 or 1 on followup examination. Results: Mean values of onset-to-door, door-to-computed tomography, and door-to-needle time were 92.5¡¾46.1, 21.1¡¾10.9, and 41.9¡¾11.6 minutes, respectively. Among 10 patients, 5 patients had clinical pure motor stroke, 3 patients were clinically ataxic hemiparesis, and 2 had clinical sensorimotor stroke. The excellent clinical outcome at 7 days was observed in 3 patients (30%) and good clinical outcome at 7 days was also obtained in 8 patients (80%). Adverse events including intracranial hemorrhage occurred none of the patients. Conclusion: This study suggests that intravenous thrombolysis with rt-PA in acute lacunar infarction may be applicable in clinical settings. However, this study has several limitations - no control groups, too small numbers enrolled patients, and no long-term follow-up results. (Korean J Stroke 2007;9:108-112)
CCITT No.7 신호방식은 향후 도래할 종합 정보 통신망에 적합한 공통선 신호 방식이다. CCITT No.7 공통선 신호 기능의 일부인 신호 연결제어부는 메시지 전달부(MTP)의 상위에 위치하여 다양한 서비스 정보 및 망운용에 필요한 정보를 전달하는 역할을 수행한다. 본고는 CCITT Red Book 이후 계속되어온 CCITT 회의 자료를 근거로 하여 신호연결제어부의 전반적인 기능을 소개하고 향후 TDX-10에 실현할 신호연결제어부의 기능들에 대해 기술하였다.