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최근 10년간 원광의대병원에서 시행한 소아 심장혈관 수술의 임상적 고찰
윤향석,정수미,최두영,오광수,오연균,김종덕,양현웅,이삼윤,김형곤,최종범,최순호,노병석 圓光大學校 醫科學硏究所 1995 圓光醫科學 Vol.11 No.2
We reviewed 10 years experiences of the clinical aspects and early postoperative results in 544 pediatric patients(age less than 16 years old). Among them. 529 cases had the congenital heart diseases, and 15 had the acquired diseases. Open heart surgery was performed in 413 patients. 115 cases were treated with non-open heart surgery. 16 with interventional catheterization. Annual increase of the cardiac patients was not significant in recent 10 years, except slight increase in 1994. The mean age of the study patients had been evidently changed to younger year by year. Total mortality rate of the open heart surgery was 6.4%. The cyanotic congenital heart diseases were high in early postoperative mortality by 25.7%, whereas 4% in acyanotic group. The age group less than one month was most highest in surgical mortality(66.7%). There were no deaths in patients with patent ductus arteriosus(103 cases), atrial septal defect(83 cases) or pulmonary stenosis(17 cases). Among 220 patients with ventricular septal defects(VSD). 10(4.5%) were died early postoperatively. In cyanotic group, the patients with pulmonary atresia with ventricular septal defects(PAVSD), transposition of the great arteries(TGA), interrupted aortic arch(IAA), complex cardiac anomalies with isomerism seemed to be most susceptible to an early death.
가청수중음에 의한 넙치의 행동에 관한 기초적 연구 : 1.육상수조 양식장내의 환경소음
이유철,이창헌,최찬문,박용석,서두옥 제주대학교 해양연구소 1997 해양자원연구소연구보고 Vol.21 No.-
A fundamental experiment was carried out to confirm the behaviour of Bastard halibut Paralichthys olivaceus to audible underwater sound in a breeding ground around the coast of Cheju Island. To find characteristics of breeding water tank and experiment water tank. ambient noise, undcrwater noise and feeding sound of fish were measured and analyzied respectively. The results of measurement are as follows: 1. The maximum sound pressure level of ambient noise in breeding water tank was 81dB. average maximum sound level of underwater noise was 81dB at 120Hz. 2. The maximum sound pressure level of ambient noise in experiment water tank was 76dB and underwater noise was 84.2dB at 130Hz. 3. The maximum sound pressure level of feeding sound was 85dB at 120Hz.