Anesthesia Experienee of Open Heart Surgery - Report of 77 cases

Lee, Jung Kyu; Kim, Chi Hyo; Lee, Choon Hi

Abstract

To evaluate the results of anesthesia during open heart surgery, the cases of 77 patients in the Department of Anesthesiology, Ewha Womans University Hospital were weviewed from November, 1982 to February, 1985 and from March, 1986 to February 1987. The Results were as follows: 1) Thirty-nine percent of the 77 cases were acyanotic congenital heart anomalies , 18.2% were cyanotic anomalies and 42.8% were valvular heart diseases. The patients' ages ranged from 13 months to 63 years old, and the study included 30 male and 47 female patients. 2) Pethidine given as a premedication in mot cases, also atropine, glycopyrrolate, hydroxyzine, lorazepam and diazepam were utilized. 3) The induction agents included thiopental, ketamine diazepam, and morphine, and were injected singly or in combination. 4) Anesthesia was maintained with diazgepam, pancuronium, ketamine, morphine, and pethidine, N20 inhalation was used in the acyanotic and valvular cases. 5) Serum Na+ and K+ concentrations were lower during bypass than before and after bypass. 6) During bypass, body temperatuer was maintained below 30 degrees C, and the mean values for arterial pressure ranged from 50-80 mmHg. 7) The duration of andsthesia was 481+/- 88.7 minutes in the valvular cases and the duration of bypass was 118+/-18.3 minutes in the cyanotic cases. 8) In the analysis of arterial blood gases, the cyanotic cases displayed a low pH and base excess. In the cyanotic cases, the PaCO2, and PaO2, differed from the other cases before bypass, but not after bypass. 9) Overall mortality was 14.3%, The mortality rate with respect to each disease was 10 10/0% in the acyanotic cases, 28.6% in the cyanotic cases and 12.1% in the valvular cases.

Anesthesia Experienee of Open Heart Surgery - Report of 77 cases

Abstract

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