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Korean Journal of Anesthesiology 2005;48(6):565-569.
DOI: https://doi.org/10.4097/kjae.2005.48.6.565   
Effect of Hyperglycemia on the Length of Postoperative Hospital Stay.
Seung Yun Lee, Kyoung Min Lee, Jun Geol Lee, Jeong Ae Lim, Nam Sik Woo, Ye Chul Lee
Department of Anesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea. kyoungmlee@kuh.ac.kr
Diabetes mellitus is the most common endocrinopathy encountered in the perioperative period and has long been assumed to increase perioperative risk. However, when diabetes mellitus was segregated from old age and the complications of it, it was questioned that diabetes mellitus itself increased perioperative risk. In this study, we investigated the influence of hyperglycemia on the length of postoperative hospital stay.
We studied 100 patients undergone intra-abdominal operations with general anesthesia. These patients were divided into the hyperglycemic group (n = 20) with postoperative blood glucose level higher than 10 mM and the non-hyperglycemic group (n = 80) with glucose level lower than 10 mM and we investigated the length of postoperative hospital stay, serum electrolyte, serum chemistry, arterial blood gas values, and base excess by unmeasured anions. We also divided these patients into the diabetic patients group (n = 15) and the non-diabetic patients group (n = 85) and compared the same variables.
The length of postoperative hospital stay was significantly prolonged in the hyperglycemic group (20.9 +/- 9.0 days) compared with the non-hyperglycemic group (16.2 +/-8.5 days), and the cumulative postoperative hospital stay curves based on Kaplan-Meier method also showed significant difference between the two groups. When we compared the length of postoperative hospital stay between the diabetic and the non-diabetic patients, there was no significant difference.
This study demonstrated that hyperglycemia prolonged the length of postoperative hospital stay. This finding suggests that the patient's glucose level should be monitored and controlled within an adequate range perioperatively.
Key Words: diabetes mellitus; hyperglycemia; length of postoperative hospital stay


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