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Korean J Anesthesiol > Volume 13(1); 1980 > Article
Korean Journal of Anesthesiology 1980;13(1):34-38.
DOI: https://doi.org/10.4097/kjae.1980.13.1.34   
Clinical Evaluation of Hypotensive Anesthesia for Total Hip Replacement Therapy .
Koon Sung Song, Jun Ho Kim, Byung Yon Kwon
Department of Anesthesiology, Gospei Hospital, Pusan, Korea.
Abstract
Induced hypotension is a well established adjunct to anesthesia which provides improved operating conditions for a wide variety of surgical procedures without significantly increasing the risk to the patient. Since introduction of hypotensive anesthesia in 1964 by Gardner, there has been a wide choice of methods for inducing hypotension during anesthesia, most of which are based on the concept of arteriolar dilatation. Hypotensive anesthesia was attempted on ten patients for total hip replacements which were done at Gospel Hospital, from Feb. to Oct. in 1979. The patients selected did not have a liver problem, and this was determined by SGOT and SGPT, and without a limit of age or sex. The hypotension was induced with 2~3% halothane, 50% N2O and 50%, O2and the blood pressure averaged for systolic pressure 71. 22 mmHg and for diastolic pressure 50. 09 mmHg, The average duration of the induced hypotension was 57. 0 minutes and the blood loss during operation was 300 ml on average. During the hypotensive anesthesia, the urine output decreased by 27. 0% and during the recovery period from hypotension urine output increased by 20%. On our experience, we can conclude that hypotensive anesthesia provides good operative conditions and can be performed without damage to vital organs and can reduce blood loss during operation.
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