The influence of surgical stress on the psychoneuro-endocrine-immune axis.
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1996-01-01
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Abstract
Stress is known to depress the immune system severely. This study was done to evaluate whether surgical stress influenced polymorphonuclear (PMN) and monocyte functions in association with serum cortisol and the anxiety score as measured on the HARS Rating Scale. We found that surgery (irrespective of whether it was major or minor) significantly depressed PMN and monocyte functions and increased serum cortisol levels. PMN phagocytosis correlated significantly (p < 0.05) with the rise in serum cortisol. In spite of these changes, postoperative clinical recovery was uneventful. No major alterations in the HARS scores were noted pre and post operatively. This study demonstrates that surgical stress depresses the immune system with a concomitant rise in cortisol.
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Dahanukar SA, Thatte UM, Deshmukh UD, Kulkarni MK, Bapat RD. The influence of surgical stress on the psychoneuro-endocrine-immune axis. Journal of Postgraduate Medicine. 1996 Jan-Mar; 42(1): 12-4