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마취기의 일방향성 밸브의 결손이 호기 및 흡기의 가스 농도에 미치는 영향
우남식 건국대학교 의과학연구소 1995 건국의과학학술지 Vol.5 No.-
Recent advances in technology have made it possible to measure all of the respired gases of interest during the administration of an inhaled anesthetic. The results of respiratory gas analysis can provide information about the function of the andsthesia delivery system(machine, vaporizer, circuit, valve, etc.) as well as the patient's respiratory, cardiovascular and metabolic status. The semi-closed circle absorber anesthesia system employs individual inhalation and exhalation unidirectional check valves to guide the flow of gas within the circuit and prevent CO₂rebreathing. The most common malfunction in these unidirectional check valves is one in which the valve disc fails to close. The present investigation was designed to study effect of incompetent unidirectional valves on the changes of the partial pressure of inhaled and exhaled CO₂, the fraction of inhaled and exhaled O₂,arterial O₂saturation, blood pressure and heart rate. An DAMECA anaesthesia machine(Denmark) with a semi-closed circle absorber system was used for the study. All patients were anesthetized with the enflurane or isoflurane combined with nitrous oxide(2 liters/minute) and oxygen(2 liters/minute), and paralized with vecuronium(6-8㎎). Ventilation was controlled with DAMECA ventilator, using a constant tidal volume of 10㎖/㎏ of body weight. Ventilatory rate was adjusted 10-12 times/minutes to maintained the end tidal CO₂of 25~30㎜Hg. After a clinical steady state was achived, measurements were obtained till the partial pressure of expiratory CO₂would reach 50㎜Hg, under two condition: 1) removal of inhalation valve disc: 2) removal of exhalation valve disc. The results were as follows: The removal of exhalation valve shows significant increase of ??(regression equation is Y=1.46×X+26.11) and ??(regression equation is Y=1.15×X+4.59). The removal of exhalation valve shows significant decrease of ??(regression equation is Y= -0.31×X+46.66) and ??(regression equation is Y=-0.22×X+49.29), but these were no clinically significant changes. The removal of inhalation valve shows significant increase of ??(regression equation is Y=0.50×X+27.13) and ??(regression equation is Y=0.11×X+1.14). The removal of inhalation valve shows no significant changes in ?? and ??. There were no significant changes in arterial oxygen saturation, systolic and diastolic blood pressure, and heart rate.
우남식 안동대학교 농업개발원 1999 最高農業經營者課程 論文集 Vol.3 No.-
한우의 번식율 향상을 위해 가장 중요한 1년 1산 우량송아지의 저비용 생산을 위하려면 먼저 암송아지의 성숙 전·후의 육성우 사양관리를 비롯하여 임신우에 대한 분만전후의 사양관리, 그리고 분만 후의 젖먹어 어미소에 대한 사양관리를 잘 하여야 한다.
한 · 미 대학생들의 성지식 · 성교육 정도가 성행동에 미치는 영향
우남식,박미숙,최왕규 한국청소년학회 2006 청소년학연구 Vol.13 No.4
The purpose of this study is to improve the quality of sexual education by comparing analysis of sexual knowledge and behavior to the collegians in Korea and the US. The survey was done from the early December 2004 to the end of January 2005 on 210 Korean collegians and 188 American collegians. The result of the research showed that Korean collegians had much more sexual knowledge than American collegians. While Korean collegians got sexual knowledge through multimedia and Internet, American collegians obtained that knowledge through their parents and school. American collegians had first sexual relationship at the earlier age and they used com(phon) sexual pleasure more often than Korean collegians. The results also showed the necessity of sexual education was greater for Korean collegians. Sexual education was more theoretical in Korea and the collegians did not like it. They preferred sexual education to be done by multimedia like videos. Finally, American collegians had more sexual education at home than Korean collegians. The result of the research implies that sexual education at home and school is very important and the contents of that should be improved. 본 연구는 한국 대학생 210명과 미국 대학생 188명을 대상으로 2004년 12월초부터 2005년 1월 말까지 한, 미 대학생들의 성지식과 성행동, 그리고 성교육의 실태를 비교분석하여 성교육의 실시에 도움을 주고자 시도하였다. 분석결과 한국 대학생들이 미국 대학생들보다 성지식이 높았고, 성지식 습득의 통로는 한국 대학생들의 경우 대중매체와 인터넷 등이었고, 미국 대학생들은 부모님과 학교에서 받는 성교육이었다. 성행동은 미국 대학생들이 한국 대학생들보다 이른 나이에 성관계를 경험하였고, 컴(폰)섹스가 더 많았다. 성교육의 필요성은 한국 대학생들이 미국 대학생들보다 높았다. 한국 대학생들이 미국 대학생들보다 학교에서 성교육이 이론위주의 수업이었던 점을 싫어하였고, 이론보다는 비디오 등을 통한 시청각 교육을 받고 싶어 하였다. 그리고 미국 대학생들이 한국 대학생들보다 가정에서 성교육을 더 많이 받은 것으로 나타났다. 본 연구에 나타난 결과가 의미하는 바는, 학교와 가정에서의 성교육이 중요하다는 것과 성교육 내용의 개선이 필요하다는 것이다.
Atracurium 투여에 의한 기관내삽관의 임상적 평가
우남식,이예철 대한마취과학회 1989 Korean Journal of Anesthesiology Vol.22 No.3
The usefulness of nondepolarizing muscle relaxants for intubation is limited by a relatively slow onset of neuromuscular block compared to that achived with succinylcholine. But, authors have reported that larger doses of nondepolarizing muscle relaxants produce a more rapid onset of maximal neuromuscular block and conditions conductive to endotracheal intubation and recent reports support the use of the $quot;priming principle in the clinical practice of anesthesiology. This phenomenon may apply to all nondepolarizing relaxants: it is reported to facilitated neuromuscular blockade and tracheal intubation when used with atracurium, vecurouium, alcuronium or pancuronium. In this study, administering a small subclinical dose of atracurium (75μg/kg) Smin. prior to the remainder of an intubating doae of atracurium (250μg/kg) had no different on grade of block for intubation compared to single IV bolus of atracurium (500μg/kg).