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최승원(Seung Won Choi),고윤석(Youn Suck Koh),주용선(Yong Sun Ju),최강현(Kang Hyeon Choe),김우성(Woo Sung Kim),김재중(Jae Joong Kim),박성욱(Seong Wook Park),박승정(Seung Jung Park),이종구(Jong Koo Lee),김원동(Won Dong Kim) 대한내과학회 1994 대한내과학회지 Vol.46 No.3
Objetive: The measurement of cardiac output by CO2 rebreathing method is noninvasive procedure using indirect Fick equation. In order to compare the result of cardiac output measured by CO2 rebreathing method with that by thermodilution technique, this study was performed. Methods: Simultaneous measurement of cardiac output by CO2 rebreathing method and thermodilution technique was performed in 13 mitral stenosis patients. The subjects were 4 men and 9 women, with mean age of 41.15±11.01 year. The cardiac output (CO) can be calculated from indirect Fick equation using the CO2 rebreathing method, CO=CO2 production/CvCO2-CaCO2. The CO2 production was obtained by collecting expired gas and multiply its volume by CO2 concentration and the arterial PCO2 was estimated from the end tidal PCO2. The mixed venous PCO2 was obtained from rebreathing plateau during O2 and mixture gas breathing through rebreathing bag. Results: 1) The average cardiac output was 3.41±0.45(L/min) by CO2 rebreathing method and 3.45±0.37(L/min) by thermodilution technique. 2) The result of cardiac output measured by CO2 rebreathing method was highly correlated to that by thermodilution technique (r=0.82). 3) The equation relating two measurements was Y =-0.01±0.99X. (Y: CO2 rebreathing method, X: thermodilution technique) Conclusion: This study showed that the result of cardiac output by CO2 rebreathing method was correlated well with that by standard thermodilution technique, so it is thought that CO2 rebreathing method could provide valid estimate of cardiac output for evaluation of cardiac function. It is simple to perform, easily repeatable and essentially risk free. Therefore this method could be very useful for clinical use.
양측성 폐종괴 양상을 보인 알레르기성 기관지 폐 아스페르길루스증
고원기 ( Won Ki Ko ),최승원 ( Seung Won Choi ),박재민 ( Jae Min Park ),안강현 ( Gang Hyun Ahn ),김세규 ( Se Kyu Kim ),장준 ( Joon Chang ),김성규 ( Sung Kyu Kim ),이원영 ( Won Young Lee ),최규옥 ( Kyu Ok Choe ),신동환 ( Dong Hwan 대한결핵 및 호흡기학회 1999 Tuberculosis and Respiratory Diseases Vol.46 No.2
응급실 기반 약물에 의한 아나필락시스 쇼크 환자의 임상적 특성
한상근,안력,김선휴,최승원,홍은석,Han, Sang-Guen,Ahn, Ryeok,Kim, Sun-Hyu,Choe, Seung-Won,Hong, Seung-Won 대한임상독성학회 2009 대한임상독성학회지 Vol.7 No.2
Purpose: This study was conducted to investigate the characteristics of drug induced anaphylactis and anaphylactic shock in patients who were admitted to the emergency department Methods: We retrospectively collected the data on patients with drug induced anaphylaxis and who were admitted to the emergency department from January 2001 to June 2009. The study group was divided into the non-shock and shock groups according to whether the systolic blood pressure more than 90mmHg. The initial demographic data, the causes of drug-induced anaphylaxis, the clinical manifestations, the treatment and the prognosis were reviewed for 72 patients. Results: The mean age of the study subjects was $47.9P{\pm}14.2$ years old and there were 40 male patients and 32 female patients. There were 26 patients in the non-shock group and 46 in the shock group. The mean age was older in the shock group than in the non-shock group ($51.5{\pm}15.1$ vs $42.5{\pm}10.6$, p-0.002). A history of drug allergy was more common in the shock group, but no difference was found for the comorbid chronic diseases between the two groups. Radio-contrast media was the most common cause, followed non-steroidal anti inflammatory drugs and antibiotics, but there is no difference in the causes between the two groups. The symptoms of cyanosis, syncope, sweating and dizziness were more frequently manifested in the shock group. The administration of intravenous fluid and injection of subcutaneous epinephrine at the emergency department were more frequent in the shock group than in the non-shock group. Conclusion: For the patients who were admitted to the emergency department with drug induced anaphylaxis, the mean age was older and the symptoms of cyanosis, syncope, sweating, dizziness were more frequent in the anaphylactic shock patients than in the non-shock group. More treatments were given at the emergency department to the anaphylactic shock patients.