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中华临床医师杂志(电子版) ›› 2018, Vol. 12 ›› Issue (07) : 371 -376. doi: 10.3877/cma.j.issn.1674-0785.2018.07.001

所属专题: 文献

临床研究

生物电阻抗评估调整干体重对血液透析患者血压和心功能的影响
孙晓1, 张昭强2, 杨洪垒1, 卢连元1, 王蕾1,()   
  1. 1. 2710001 山东泰安,泰安市中心医院肾内科
    2. 2710001 山东泰安,泰山医学院基础医学院生理学教研室
  • 收稿日期:2018-02-09 出版日期:2018-04-01
  • 通信作者: 王蕾
  • 基金资助:
    山东省医药卫生科技发展计划(2016WS0607); 山东省泰安市科技发展计划(2015NS2144,2016NS1134)

Effect of regulating dry weight by bioimpedance spectroscopy for volume evaluation on blood pressure and cardiac function in hypertensive hemodialysis patients

Xiao Sun1, Zhaoqiang Zhang2, Honglei Yang1, Lianyuan Lu1, Lei Wang1,()   

  1. 1. Department of Nephrology, Taian City Central Hospital, Taian 271000, China
    2. Department of Physiology, Basic Medical College of Taishan Medical University, Taian 271000, China
  • Received:2018-02-09 Published:2018-04-01
  • Corresponding author: Lei Wang
  • About author:
    Corresponding author: Wang Lei, Email:
引用本文:

孙晓, 张昭强, 杨洪垒, 卢连元, 王蕾. 生物电阻抗评估调整干体重对血液透析患者血压和心功能的影响[J/OL]. 中华临床医师杂志(电子版), 2018, 12(07): 371-376.

Xiao Sun, Zhaoqiang Zhang, Honglei Yang, Lianyuan Lu, Lei Wang. Effect of regulating dry weight by bioimpedance spectroscopy for volume evaluation on blood pressure and cardiac function in hypertensive hemodialysis patients[J/OL]. Chinese Journal of Clinicians(Electronic Edition), 2018, 12(07): 371-376.

目的

观察通过多频生物电阻抗评估调节不同干体重对血液透析(HD)高血压患者血压和心脏功能的影响。

方法

选择泰安市中心医院肾内科2017年1月至2018年3月间维持性HD患者96例为HD组,选择106名健康体检者为健康对照组,测定各组细胞内液(ICW)、细胞外液(ECW)、细胞外液/总体液量(ECW/TBW)等生物电阻抗值进行比较。选取透析后生物电阻抗高于健康对照组的HD患者79例作为干体重调整组(DWAG),根据生物电阻抗调整干体重3个月,分别于调整前后检测DWAG组患者透析后的体质量、血压、多频生物电阻抗及心脏彩超等指标。采用t检验比较HD组与健康对照组一般资料差异,采用单因素方差分析比较健康对照组与HD组患者透析前后ICW、ECW、ECW/TBW差异,DWAG患者干预前后的相关指标比较采用配对t检验。

结果

HD组患者透析前后ICW、ECW、ECW/TBW均高于健康对照组[(27.49±3.96)L vs (26.36±3.93)L vs (23.91±4.92)L;(18.42±2.66)L vs (17.07±3.03)L vs (15.99±4.23)L;(41.03±2.03)% vs (39.73±3.64)% vs (37.59±4.63)%],差异均具有统计学意义(t=5.660、4.829、6.717,P均<0.001;t=3.884、2.067、3.626,P<0.001、=0.040、<0.001);与透析前相比较,透析后HD组患者的电阻抗值较透析前显著下降,差异具有统计学意义(t=1.984,P=0.049;t=3.281,P=0.001;t=3.056,P=0.003)。干体重调整后DWAG患者的ICW、ECW、ECW/TBW低于调整前[(26.11±2.97)L vs (28.09±4.17)L;(17.01±1.98)L vs (19.06±2.77)L;(38.97±3.19)% vs (40.49±2.57)%],差异具有统计学意义(t=7.502,9.406,5.655,P均<0.001);DWAG患者调整后收缩压和舒张压也分别较调整前下降[(148.52±7.31)mmHg vs (157.14±9.97)mmHg;(87.67±12.84)mmHg vs (92.30±11.71)mmHg],差异具有统计学意义(t=8.641,4.193,P均<0.001)。心功能检测显示DWAG组患者LAD、LVDd、IVSd、LVPWd分别较调整前下降[(43.23±5.90)mm vs (43.47±5.82)mm;(48.76±6.42)mm vs (49.58±5.39)mm;(10.29±1.03)mm vs (10.45±0.79)mm;(10.53±1.04)mm vs (10.60±0.92)mm],差异具有统计学意义(t=3.128,P=0.0002;t=2.251,P=0.027;t=2.560,P=0.012;t=2.221,P=0.029),而LVEF较调整前提高[(64.63±4.47)% vs (63.51±3.40)%],差异具有统计学意义(t=-3.569,P=0.001)。

结论

参照多频生物电阻抗调整患者干体重可显著降低HD患者的血压,改善患者的心功能。

Objective

To modulate dry weight by bioimpedance analysis and evaluate its effect on hypertension and cardiac function in hemodialysis (HD) patients.

Methods

Ninety-six maintenance HD patients at Department of Nephrology of Taian City Central Hospital were enrolled in an HD group, and 106 healthy cases were included as a control group. Both groups underwent multi frequency bioimpedance spectroscopy to measure the intracellular water (ICW), ECW (extracellular water) and ECW/total body water (TBW). Seventy-nine HD patients of the HD group which had higher bioimpedance than the control group were selected as a group for dry weight adjustment (DWAG). Post-dialysis weight, blood pressure, bioimpedance and heart Doppler ultrasound of DWAG were measured before and after the adjustment of the dry weight. Comparisons of the general data between the control group and HD group were performed by the independent t-test. Evaluation of the data between the control group and HD group before and after HD was carried out by one-way analysis of variance (ANOVA). Evaluation of the data within the DWAG before and after adjustment was carried out by the paired t-test.

Results

The ICW, ECW and ECW/TBW of the HD group before and after HD were all significantly higher than those of the control group [(27.49±3.96) L vs (26.36±3.93) L vs (23.91±4.92) L; (18.42±2.66) L vs (17.07±3.03) L vs (15.99±4.23) L; (41.03±2.03)% vs (39.73±3.64)% vs (37.59±4.63)%] (t=5.660, 4.829, 6.717, P<0.001 for all; t=3.884, 2.067, 3.626, P<0.001, =0.040, <0.001). The ICW, ECW and ECW/TBW of the study group after HD were significantly lower than those before HD (t=1.984, P=0.049; t=3.281, P=0.001; t=3.056, P=0.003). ICW, ECW and ECW/TBW of the DWAG after dry weight adjustment were significantly lower than those before [(26.11±2.97) L vs (28.09±4.17) L, t=7.502, P<0.001; (17.01±1.98) L vs (19.06±2.77) L, t=9.406, P<0.001; (38.97±3.19)% vs (40.49±2.57)% , t=5.655, P<0.001]. Systolic pressure and diastolic pressure of the DWAG significantly decreased after dry weight adjustment [(148.52±7.31) mmHg vs (157.14±9.97) mmHg, t=8.641, P<0.001; (87.67±12.84) mmHg vs (92.30±11.71) mmHg, t=8.641, P<0.001]. Cardiac function test showed that the left atrial diameter, left ventricular end diastolic diameter, interventricular septum thickness at end-diastole and left ventricular posterior wall depth of the DWAG significantly decreased after dry weight adjustment [(43.23±5.90) mm vs (43.47±5.82) mm, t=3.128, P=0.0002; (48.76±6.42) mm vs (49.58±5.39) mm, t=2.251, P=0.027; (10.29±1.03) mm vs (10.45±0.79) mm, t=2.560, P=0.012; (10.53±1.04) mm vs (10.60±0.92) mm, t=2.221, P=0.029]. However, LVEF of the DWAG significantly increased after dry weight adjustment [(64.63±4.47)% vs (63.51±3.40)%, t=-3.569, P=0.001).

Conclusion

Adjustment of dry weight based on multifrequency bioimpedance spectroscopy decreases blood pressure and improves cardiac function of HD patients.

表1 2组研究对象一般临床资料比较
表2 健康对照组与血液透析组患者透析前后生物电阻抗值的变化(±s
表3 DWAG患者干体重调整前后HD患者生物电阻抗相关指标的变化(±s
表4 DWAG组患者干体重调整前后HD患者心脏功能相关指标的变化(±s
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