• Metin Yigman and Ahmet Emin Dogan.
• Department of Urology, Ankara Etlik Integrated Health Campus, Ankara, Turkiye.
• J Coll Physicians Surg Pak. 2024 Apr 1; 34 (4): 429433429-433.

ObjectiveTo investigate the relationship between quickly calculable new insulin resistance (IR) indices used to evaluate IR in early kidney functions after donor nephrectomy.Study DesignDescriptive design. Place and Duration of the Study: Department of Urology, Ufuk University Faculty of Medicine, Ankara, Turkiye, between January 2016 and August 2021.MethodologyThe preoperative biochemical analyses of patients undergoing open donor nephrectomies and estimated glomerular filtration rates (eGFR) were recorded in the preoperative and first postoperative month. The IR indices (triglyceride glucose [TyG] index, TyG-body mass index [TyG-BMI], triglyceride/HDL cholesterol ratio [TG/HDL-C], and metabolic score for IR [METS-IR]) were computed. Additionally, the patients were separated into two categories. Group 1 had a less than 30% decrease in eGFR values in the postoperative first-month period, and group 2 had a more than 30% decrease. The relationship between variables was analysed using the Spearman correlation, and comparisons between groups were analysed using the independent t-test or Mann-Whitney U-test.ResultsA total of 107 patients were included in the study. The mean eGFR reduction rate was 31.81 ± 8.87 %. In the correlation analyses, an increase in the rate of decrease in postoperative GFR was associated with higher IR indices, specifically TyG (r = 0.19, p = 0.04), TG/HDL-C (r = 0.21, p = 0.02), and METS-IR (r = 0.21, p = 0.02). No statistically significant difference was found between the groups regarding all the calculated IR indices (p < 0.05).ConclusionThe results suggest a possible link between increased IR and postoperative renal function decline.Key WordsInsulin resistance, Glomerular filtration rate, Donor nephrectomy, Triglyceride-Glucose index, METS-IR.

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