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하숙정(Sook-Jeong Ha),이경숙(Kyeung-Sook Lee),배인한(Ihn-Han Bae) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.2Ⅲ
이동 호스트를 갖는 이동 컴퓨팅 환경에서의 상호배제 알고리즘은 기존의 정적 컴퓨팅 환경과 여러 가지 다른 점이 있다. 본 논문에서는 이동 컴퓨팅 환경에서 상호배제 문제를 효율적으로 해결하는 토큰 기반 상호배제 알고리즘을 제안하고, 이것의 성능을 메시지 송수신 비용으로 평가하였다.
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김흥대,송선옥,이경숙 영남대학교 의과대학 1987 Yeungnam University Journal of Medicine Vol.4 No.1
경피요골동맥삽관후 수지괴사가 발생되어 손목을 절단한 1례를 보고하며, 동맥삽관후 수지괴사가 유발될 수 있는 요인으로는 사용된 카테터의 크기, 종류, 천자횟수, 삽관거치기간 및 카테터삽관후 유지방법외에도 환자의 혈액구성성분변화, 혈액응고장애, 심박출량감소상태, 성별 등을 들수가 있으며, 본원에서 발생된 예에서는 수술후 환자가 심히 움직여 끈으로 동맥삽관된 손목을 침대에 묶어 놓음으로써 카테터에 의한 혈관손상이 심했음이 가장 큰 원인일것으로 추측되며 그 외에도 혈액성분변화 및 응고장애에 의해 심한 혈전형성이나 heparin용액의 간헐적 관류시 발생될 수 있는 혈전의 전색도 가능성이 있을 것으로 사료된다. The technique of radial artery cannulation and its complications are well documented, but serious complications are rare. This is a report of one case of amputation of wrist due to finger necrosis developed from the radial artery cannulation in patient who had craniectomy surgery. This 52-year-old 70㎏ male underwent subdural hematoma removal surgery. Right radial artery cannulation was carried out percutaneously using 22 gauge Teflon extracath needle after modified Allen's test appeared to be positive. It was intermittently flushed by heparinized solution. His arterial blood pressure was maintained 100/70 - 110/80㎜Hg and 5 units of banked whole blood and 1 unit of fresh frozen plasma were transfused during 8-hours operation. Cannula was removed on the 9th hour after operation because that was obstructed. On the 12th hour after removal of cannula, his right hand noted to be cool and cyanotic. So, warm towel and hot bag applied continuonsly on the right hand and the right stellate ganglion block was carried out everyday for 4 times. However, on the 10th day after removal of cannula, necrotic change of all fingers of the right hand became worse and skin of fingers were shrunken. Therefore, disarticulation of the right wrist carried out on the 71th day of his hospitalization.
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이경숙,박대팔 영남대학교 의과대학 1990 Yeungnam University Journal of Medicine Vol.7 No.1
10세 미만의 유 소아 환아중 서혜부 수술 50예에서 1% Lidocaine에 epinephrine(1 : 200,000)을 혼합한 용액 10㎎/㎏을 주입해서 미추 마취를 시행하여 다음과 같은 결과를 얻었다. 1. 유 소아에서 미추 마취를 쉽게 시행할 수 있었다. 2. Lidocaine 10㎎/㎏ 투여로 서혜부 수술을 하였으며 술후 진통효과가 우수하였다. 3. 미추 마취의 합병증이 드물게 나타날 수 있었으므로 기술상의 숙련 및 세심한 환자 감시가 필요하다. 이상의 결과를 얻은 바 소아 미추 마취는 적응이 되는 부위의 수술에 좋은 마취방법이라 사료된다. Pediatric caudal anesthesia was done in 50 infants and children under 10 years of age, who were to undergo surgery of inguinal region. All cases were given 10㎎/㎏ body weight of 1% lidocaine solution with epinephrine 1 : 200,000. The results were as follows : 1) Pediatric caudal anesthesia was simple, easy and reliable in technique. 2) Additional intravenous admimistration if Ketamine or pentothal sodium was needed. ie, to provide a more cooperative state. 3) Anesthetic effect was judged very Excellent. 4) Cardiovascular and respiratory changes were minimal. Author's came to conclusion that caudal anesthesia for pediatric inguinal region surgery is reliable, simple in technique, favorable to surgeon, and is considered to be a good technique for pediatric anesthesia.
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이산화탄소를 이용한 전신마취하의 복강경수술이 동맥혈 CO2 가스치 및 폐환기량의 변화에 미치는 영향
김흥대,김세연,이경숙 대한마취과학회 1992 Korean Journal of Anesthesiology Vol.25 No.5
Plasma CO₂ gas tension, tidal volume and peak inspiratory airway pressure were investigated before CO₂gas insufflation, 30 minutes and 60 minutes after gas insufflation in 32 laparoscopic surgery patients to study the effects of intraabdominal CO₂ gas insufflation during laparoscopic surgery under general endotracheal anesthesia with controlled ventilation. Our results were as follows 1) Arterial CO₂ gas tension values were significantly higher 30 minutes after CO₂ gas insufflation compared to before gas insufflation(36.8±4.2 mmHg vs. 28.3±6.8 mmHg). 2) Tidal volume was increased 30 minutes after CO₂ gas insufflation compared to before gas insufflation(505.1±78.2 ml vs. 462.0±83.2 ml). 3) Peak inspiratory airway pressure was significantly increased 30 minutes after CO₂ gas insufflation compared to before gas insufflation(16.4±1.7 cmH₂O vs. 9.8±1.0 cmH₂O). And these increasing states were maintained during laparoscopic surgery. As the above results show, during laparoscopic surgery using CO₂ gander general anesthesia with controlled ventilation, arterial CO₂ gas tension, tidal volume and peak inspiratory airway pressure were significantly increased 30 minutes after CO₂ gas insufflation. Cautions may be advised if laparoscopic surgery, by whatever operation, is indicated in subjects who are affected by increasing PaCO₂ and peak inspiratory airway pressure.
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