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중증의 승모판협착증을 가진 산모에 있어서 분만전 풍선판막성형술이 시행된 1 례
목정은,김암,이인식,이필량,나준희,황성욱,박승정,김재중,이종구 대한산부인과학회 1995 Obstetrics & Gynecology Science Vol.38 No.9
풍선판막 성형술은 승모판 협착증의 치료에 수술요법을 대치할 수 잇는 치료법으로 최근 널 리 이용되고 있다. 저자들은 승모판 협착증을 가진 임산부에서 임신말기에 풍선판막 성형술 을 시행하여 합병증 없이 성공적으로 분만을 하였기에 문헌고찰과 함께 보고하는 바이다. The burden of pregnancy in patients with severe mitral stenosis continues to present a therapeutic challenge. A 23- year old woman at 36 weeks gestation wa discovered to have previously undiagnosed severe mitral stenosis. Not responding to medical therapy, she underwent percutaneous ballon mitral valvotomy(PMV) using inouer ballon catheter, which resolved her symptoms completely. She delivered a healthy infant at 38 weeks gestation. the unique of PMV may render it the technique of choice for selected pregnant patients with severe mitral stenosis.
박승호,목연수,최재욱 한국산업안전학회 2001 한국안전학회지 Vol.16 No.4
Explosive characteristics of the city gas were determined by using the gas explosion apparatues. The explosive range is determined between lower explosive limit of 5.0% and upper explosive limit of 15.3% at atmosphere and even though the oxygen concentration is decreased, lower explosive limit is not changed, but upper explosive limit is rapidly decreased. The minimum oxygen for combustion is determined 10%. The maximum explosion pressure is determined 5.72kgf/㎠ and the maximum rate of explosion pressure rise is oxygen concentration of 12% to determined 160.12kgf/㎠·sec.