Effect of preoperative metabolic syndrome on early function of renal allografts in kidney transplant recipients
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摘要:
目的 探讨同种异体肾移植受者术前合并代谢综合征对早期移植肾功能的影响。 方法 回顾性分析117例肾移植受者的临床资料,根据移植肾功能分为移植物功能延迟恢复(DGF)组(29例)和非DGF组(88例),应用单因素和多因素回归分析同种异体肾移植受者发生DGF的相关危险因素,分析肾移植受者术前合并代谢综合征对早移植肾功能的影响。 结果 117例肾移植受者,47例术前合并代谢综合征,29例术后发生DGF,DGF组中83%术前合并代谢综合征,高于非DGF组中的74%(P<0.05)。单因素分析结果显示,DGF组供者体质量指数(BMI)、终末血清肌酐(Scr),受者术前BMI、血糖、甘油三酯水平、术前合并代谢综合征比例均高于非DGF组(均为P<0.05)。多因素logistic回归分析结果显示,供者Scr水平高、受者术前血红蛋白水平高、受者术前合并代谢综合征是肾移植术后发生DGF的独立危险因素(均为P<0.05)。 结论 受者术前合并代谢综合征是同种异体肾移植发生DGF的独立危险因素,应采取相关策略以减少DGF和其他与代谢相关的并发症的发生率。 Abstract:Objective To evaluate the effect of preoperative metabolic syndrome on early function of renal allografts in allogeneic kidney transplant recipients. Methods Clinical data of 117 kidney transplant recipients were retrospectively analyzed. According to the renal allograft function, they were divided into the delayed graft function (DGF) group (n=29) and non-DGF group (n=88). Relevant risk factors of DGF in recipients undergoing allogeneic kidney transplantation were assessed by univariate and multivariate regression analyses. The effect of preoperative metabolic syndrome on early function of renal allografts was analyzed. Results Among 117 kidney transplant recipients, 47 cases were complicated with preoperative metabolic syndrome, and 29 cases developed postoperative DGF. In the DGF group, 83% of the recipients were complicated with preoperative metabolic syndrome, higher than 74% in the non-DGF group (P<0.05). Univariate analysis showed that the body mass index (BMI) and terminal serum creatinine (Scr) level of the donors, and BMI, blood glucose level, triglyceride level and the proportion of preoperative metabolic syndrome of the recipients in the DGF group were higher than those in the non-DGF group (all P<0.05). Multivariate logistic regression analysis revealed that high Scr levels of the donors, high hemoglobin levels of the recipients and preoperative metabolic syndrome of the recipients were the independent risk factors for DGF after kidney transplantation (all P<0.05). Conclusions Preoperative metabolic syndrome is an independent risk factor for DGF in allogeneic kidney transplant recipients. Corresponding measures should be taken to lower the incidence of DGF and other metabolic complications. -
表 1 术前合并与不合并代谢综合征受者及其相应供者的一般情况比较
Table 1. Comparison of the general situation of recipients with and without preoperative metabolic syndrome and their corresponding donors
变量 合并代谢综合征(n=47) 不合并代谢综合征(n=70) 统计值 P值 供者资料 年龄($\overline x \pm s $,岁) 52±10 46±11 2.788 0.006 性别[n(%)] 0.890 0.345 男 43(91) 60(86) 女 4(9) 10(14) BMI($\overline x \pm s $,kg/m2) 24.7±3.1 23.6±3.6 1.722 0.088 终末Scr[M(P25,P75),μmol/L] 74(52,112) 51(35,68) 3.375 <0.001 受者资料 年龄($\overline x \pm s $,岁) 48±11 48±12 0.050 0.480 性别[n(%)] 0.143 0.705 男 37(79) 53(76) 女 10(21) 17(24) 术前BMI($\overline x \pm s $,kg/m2) 25.6±2.6 22.8±2.6 5.656 <0.001 术前收缩压($\overline x \pm s $,mmHg) 143±18 144±16 0.380 0.352 术前舒张压($\overline x \pm s $,mmHg) 82±11 85±11 1.719 0.088 术前血红蛋白($\overline x \pm s $,g/L) 108±16 111±20 0.635 0.527 术前白蛋白($\overline x \pm s $,g/L) 41±6 43±5 1.960 0.052 术前血糖($\overline x \pm s $,mmol/L) 7.2±2.5 5.3±1.4 4.736 <0.001 术前Scr($\overline x \pm s $,μmol/L) 919±248 858±292 1.183 0.239 术前尿酸[M(P25,P75),μmol/L) 384(298,444) 356(274,421) 1.318 0.188 术前甘油三酯[M(P25,P75),mmol/L] 2.3(1.8,3.8) 1.3(1.0,1.6) 6.419 <0.001 术前高密度脂蛋白[M(P25,P75),mmol/L] 0.8(0.7,1.0) 1.2(1.1,1.4) 6.300 <0.001 术前透析方式[n(%)] 0.760 0.766 未透析 7(15) 7(10) 血液透析 32(68) 49(70) 腹膜透析 8(17) 14(20) 术前透析时间[M(P25,P75),月] 11(4,24) 11(3,24) 0.234 0.815 肾动脉吻合方式[n(%)] 0.515 髂外动脉 47(100) 68(97) 髂内动脉 0 2(3) 冷缺血时间[M(P25,P75),h] 6(5,9) 6(5,8) 0.862 0.388 表 2 肾移植术后发生DGF危险因素的单因素分析
Table 2. Univariate analysis of risk factors for DGF after kidney transplantation
变量 DGF组(n=29) 非DGF组(n=88) 统计值 P值 供者资料 年龄($\overline x \pm s $,岁) 51±12 48±11 1.531 0.128 性别[n(%)] 0.184 男 28(97) 75(85) 女 1(3) 13(15) BMI($\overline x \pm s $,kg/m2) 25.3±2.1 23.6±3.7 2.430 0.017 终末Scr[M(P25,P75),μmol/L] 98(75,166) 50(36,66) 6.093 <0.001 受者资料 年龄($\overline x \pm s $,岁) 46±10 49±11 1.394 0.166 性别[n(%)] 2.826 0.093 男 19(66) 71(81) 女 10(34) 17(19) 术前BMI($\overline x \pm s $,kg/m2) 25.0±3.0 23.6±2.8 2.397 0.018 术前收缩压($\overline x \pm s $,mmHg) 139±15 145±17 1.480 0.142 术前舒张压($\overline x \pm s $,mmHg) 82±11 84±11 1.144 0.255 术前血红蛋白($\overline x \pm s $,g/L) 115±16 108±19 1.848 0.067 术前白蛋白($\overline x \pm s $,g/L) 41±7 42±5 0.765 0.449 术前血糖($\overline x \pm s $,mmol/L) 7.2±2.7 5.6±1.8 2.836 <0.001 术前Scr[M(P25,P75),μmol/L] 888±287 881±274 0.130 0.897 术前尿酸[M(P25,P75),μmol/L] 383(298,436) 378(282,435) 0.341 0.733 术前甘油三酯[M(P25,P75),mmol/L] 2.3(1.5,3.6) 1.4(1.2,1.8) 3.213 0.001 术前高密度脂蛋白[M(P25,P75),mmol/L] 1.0(0.7,1.3) 1.1(0.9,1.3) 1.708 0.088 术前透析方式[n(%)] 0.035 未透析 4(14) 10(11) 血液透析 24(83) 57(65) 腹膜透析 1(3) 21(24) 术前透析时间[M(P25,P75),月] 12(5,24) 11(3,24) 0.468 0.640 肾动脉吻合方式[n(%)] 1.000 髂外动脉 29(100) 86(98) 髂内动脉 0 2(2) 冷缺血时间[M(P25,P75),h] 6(5,9) 6(5,8) 0.629 0.529 术前合并代谢综合征[n(%)] 29.097 <0.001 是 24(83) 65(74) 否 5(17) 23(26) 表 3 肾移植术后发生DGF危险因素的多因素分析
Table 3. Multivariate analysis of risk factors for DGF after kidney transplantation
变量 回归系数 标准误 Wald χ2 比值比 95%可信区间 P值 供者终末Scr 0.014 0.005 7.107 1.014 1.004~1.024 0.008 受者术前血红蛋白 0.042 0.018 5.192 1.043 1.006~1.081 0.023 受者术前合并代谢综合征 2.836 0.672 17.794 17.048 4.565~63.670 <0.001 表 4 2组受者术后早期移植肾功能比较
Table 4. Comparison of renal graft function of recipients in the early postoperative period between 2 groups [M(P25,P75)]
变量 合并代谢综合征(n=47) 不合并代谢综合征(n=70) 检验值 P值 Scr(μmol/L) 术后1 d 683(497,878) 550(414,669) 2.824 0.005 术后2 d 433(262,838)a 282(199,392)a 3.761 <0.001 术后3 d 287(165,651)a,b 174(127,271)a,b 3.953 <0.001 eGFR[mL/(min·1.73 m2)] 术后1 d 6.66(5.00,9.78) 8.61(6.20,12.13) 2.924 0.003 术后2 d 11.40(5.61,22.58)a 19.96(12.67,31.43)a 3.725 <0.001 术后3 d 18.88(7.73,37.48)a,b 34.81(20.69,53.47)a,b 3.947 <0.001 注:与术后1 d比较,aP<0.05/3;与术后2 d比较,bP<0.05/3。 -
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