Abstract:Objective To detect the correlation between the changes of Leptin and the recurrence of calculus after double lens combination in minimally invasive gallbladder-preserving cholecystolithotomy.Methods The clinical data of 43 patients who underwent double lens combination in minimally invasive gallbladder-preserving cholecystolithotomy were retrospectively analyed. With body mass index (BMI) = 24 kg/m2 as the standard, they were divided into overweight group (BMI ≥ 24 kg/m2, n = 21) and normal weight group (BMI < 24 kg/m2, n = 22). The general situation, serum Leptin level and serum lipid indexes [total cholesterol (TC), triacylglycerol (TAG), high density lipoprotein (HDL) and low density lipoprotein (LDL)] before and after surgery were detected in two groups, and the postoperative stone recurrence was recorded after 6 months of follow-up. And the experimental results were statistically analyzed.Results Pre-operation: TAG and LDL of overweight group were significantly higher than those in normal weight group (P < 0.05); The serum Leptin of overweight group was significantly higher than that of normal weight group (P < 0.05). Post operation: the levels of TAG and LDL in overweight group were significantly higher than those of normal body weight group (P < 0.05); The serum Leptin in overweight group was higher than that of normal weight group, but the difference was not statistically significant (P > 0.05). There were no significantly differences in the levels of HDL, TC, TAG and LDL before and after operation in overweight group (P > 0.05). The serum Leptin level after surgery was significantly lower than that before surgery (P < 0.05). After 6 months of taurosulu deoxycholic acid, the serum Leptin in overweight group was not statistically higher than that in normal weight group (P > 0.05). During postoperative follow-up, there was 1 case of recurrence of calculi in overweight group, while no case of recurrence of calculi in the normal weight group (P > 0.05).Conclusion Serum leptin decreased significantly after double lens combination in minimally invasive gallbladder-preserving cholecystolithotomy, but not increase significantly after 6 months of taurosulu deoxycholic acid, and there were few postoperative calculus recurrence cases. Serum Leptin may be used as a detection index for the recurrence of calculus after gallbladder-preserving cholecystolithotomy.