Study on risk factors of N-terminal pro-brain natriuretic peptide abnormalities in non-dialysis patients with chronic kidney disease
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摘要:
目的 研究慢性肾脏病(chronic kidney disease, CKD)非透析患者氨基末端脑钠肽前体(N-terminal pro-brain natriuretic peptide, NT-proBNP)异常的危险因素。 方法 选取2018年1月1日—2019年12月31日在东方医院肾内科入院治疗的259例CKD非透析患者。根据患者NT-proBNP水平将患者分为NT-proBNP正常组(Ⅰ组:NT-proBNP<125 ng/L)和NT-proBNP异常组(Ⅱ组:NT-proBNP≥125 ng/L),其中Ⅰ组患者129例,Ⅱ组患者130例。采用多因素logistic回归、ROC曲线分析患者NT-proBNP异常的影响因素。 结果 Logistic回归分析显示高龄(P=0.008)为NT-proBNP异常的独立危险因素,高血红蛋白(P=0.014)、eGFR(P < 0.001)水平为患者NT-proBNP异常的保护因素。ROC分析显示, 当患者年龄>75.5岁(AUC=0.658, P < 0.001), 血红蛋白 < 124.5 g/L(AUC=0.769, P < 0.001), eGFR < 47.53 mL/(min·1.73 m2)(AUC=0.810, P < 0.001)时, 患者发生NT-proBNP增高的风险将显著增加。 结论 高龄为NT-proBNP异常的独立危险因素,高水平血红蛋白、eGFR是患者NT-proBNP异常的保护因素。 Abstract:Objective To investigate the risk factors of N-terminal pro-brain natriuretic peptide (NT-proBNP) abnormalities in non-dialysis patients with chronic kidney disease (CKD). Methods Non-dialysis patients hospitalized in the Department of Nephrology from January 1, 2018 to December 31, 2019 at the Shanghai East Hospital were enrolled. According to the level of NT-proBNP, patients were divided into NT-proBNP normal group (Ⅰ: NT-proBNP < 125 ng/L) and NT-proBNP abnormal group (Ⅱ: NT-proBNP≥125 ng/L). There were 129 patients in group Ⅰ and 130 patients in group Ⅱ. Multivariate Logistic regression and ROC curve were used to analyze the influencing factors of patients' NT-proBNP abnormalities. Results Logistic regression showed that age (P=0.008) was an independent risk factor for NT-proBNP abnormality, and hemoglobin (P=0.014) and eGFR (P < 0.001) were protective factors for patients with NT-proBNP abnormality. ROC analysis showed that when the patient's age was>75.5 years (AUC=0.658, P < 0.001), hemoglobin < 124.5 g/L (AUC=0.769, P < 0.001), eGFR < 47.5 [mL/(min·1.73 m2)] (AUC=0.810, P < 0.001), the risk of NT-proBNP increase will increase significantly. Conclusion Age is an independent risk factor for the increase of NT-proBNP, while hemoglobin and eGFR are protective factors. -
表 1 2组CKD非透析患者基本临床资料比较
组别 例数 性别[例(%)] 年龄(x ±s,岁) BMI (x ±s) 吸烟[例(%)] 饮酒[例(%)] 收缩压(x ±s,mm Hg) 舒张压(x ±s,mm Hg) 心率(x ±s,次/min) UACR [M(P25, P75), mg/g] 男性 女性 Ⅰ组 129 82(63.6) 47(36.4) 54.8±15.4 25.0±3.4 24(18.6) 16(12.4) 144.5±91.4 84.5±12.8 80.65±14.2 307.5(91.1, 1 277.6) Ⅱ组 130 72(55.4) 58(44.6) 63.8±14.8 24.5±4.4 27(20.8) 21(16.2) 144.8±23.5 85.3±13.2 80.3±13.2 1 218.8(161.6, 3 560.3) 统计量 1.798a -4.829b 1.062b 0.192a 0.744a -0.038b -0.527b 0.206b 10 510.000c P值 0.180 < 0.001 0.289 0.661 0.388 0.970 0.599 0.837 < 0.001 组别 例数 24小时尿蛋白定量[M(P25, P75), g] 血红蛋白(x ±s,g/L) 白蛋白[M(P25, P75), g/L] ALT [M(P25, P75), U/L] AST [M(P25, P75), U/L] SUA (x ±s,μmol/L) eGFR[x ±s,mL/(min·1.73 m2)] Ⅰ组 129 0.7(0.3, 2.2) 131.3±22.2 40.7(35.5, 44.2) 18.0(13.5, 25.0) 18.0(15.0, 23.0) 378.6±104.5 73.2±26.0 Ⅱ组 130 1.8(0.3, 3.7) 108.3±26.2 36.7(30.6, 40.1) 13.5(10.0, 20.0) 17.0(14.0, 24.0) 410.4±112.5 40.6±26.4 统计量 9 651.500c 7.632b 5 764.000c 5 924.500c 7 647.500c -2.354b 10.001b P值 0.036 < 0.001 < 0.001 < 0.001 0.220 0.019 < 0.001 组别 例数 空腹血糖[M(P25, P75), mmol/L] 糖化血红蛋白[M(P25, P75), %] 疾病史[例(%)] 用药史[例(%)] 高血压 糖尿病 冠心病 钙离子拮抗剂 ACEI/ARB 降糖药 Ⅰ组 129 5.3(4.9, 6.5) 5.8(5.4, 6.6) 87(67.4) 38(29.5) 10(7.8) 51(39.5) 77(59.7) 33(25.6) Ⅱ组 130 5.1(4.6, 5.9) 5.8(5.3, 6.5) 108(83.1) 46(35.4) 19(14.6) 75(57.7) 76(58.5) 42(32.3) 统计量 6 632.000c 8 254.000c 8.508a 1.038a 3.068a 8.545a 0.040a 1.424a P值 0.004 0.828 0.004 0.308 0.080 0.003 0.841 0.233 注:a为χ2值;b为t值;c为U值。 表 2 NT-proBNP异常升高的多因素logistic回归分析
因素 B SE Wald χ2 P值 OR(95% CI) 年龄(岁) 0.032 0.012 7.135 0.008 1.033(1.009~1.057) UACR(mg/g) < 0.001 < 0.001 0.420 0.517 1.000(1.000~1.000) 24小时尿蛋白定量(g) 0.092 0.080 1.309 0.253 1.096(0.937~1.282) 血红蛋白(g/L) 0.021 0.009 6.005 0.014 0.979(0.963~0.996) 白蛋白(g/L) 0.032 0.027 1.344 0.246 0.969(0.918~1.022) ALT(U/L) 0.003 0.010 0.072 0.789 1.003(0.983~1.023) SUA (μmol/L) 0.001 0.002 0.091 0.763 1.001(0.997~1.004) eGFR[mL/(min·1.73 m2)] 0.034 0.008 19.272 < 0.001 0.966(0.952~0.981) 空腹血糖(mmol/L) 0.131 0.072 3.263 0.071 0.877(0.761~1.011) 高血压 0.218 0.451 0.232 0.630 1.243(0.513~3.011) 钙离子拮抗剂 0.206 0.382 0.289 0.591 1.228(0.581~2.600) -
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