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中华医学超声杂志(电子版) ›› 2021, Vol. 18 ›› Issue (11) : 1084 -1089. doi: 10.3877/cma.j.issn.1672-6448.2021.11.013

外周血管超声影像学

慢性肾病患者肾功能与主动脉僵硬度超声评价指标的相关性
樊文莉1, 梁潇2, 杜京奚2, 王鹏2, 杨勇2,()   
  1. 1. 715100 陕西渭南,陕西健康医疗集团渭北中心医院超声科;710038 西安,空军军医大学唐都医院超声医学科
    2. 710038 西安,空军军医大学唐都医院超声医学科
  • 收稿日期:2021-06-22 出版日期:2021-11-01
  • 通信作者: 杨勇
  • 基金资助:
    空军军医大学第二附属医院临床研究项目资助(2021LCYJ030); 第四军医大学唐都医院科技创新发展基金资助(2017LCYJ009)

Correlation between renal function and aortic stiffness index assessed by Doppler ultrasound in patients with chronic kidney disease

Wenli Fan1, Xiao Liang2, Jingxi Du2, Peng Wang2, Yong Yang2,()   

  1. 1. Department of Ultrasound Medicine, Weibei Central Hospital, Shanxi Health Medical Group, Weinan 715100, China
    2. Department of Ultrasound Medicine, Tangdu Hospital of Airforce Military Medical University, Xi'an 710038, China
  • Received:2021-06-22 Published:2021-11-01
  • Corresponding author: Yong Yang
引用本文:

樊文莉, 梁潇, 杜京奚, 王鹏, 杨勇. 慢性肾病患者肾功能与主动脉僵硬度超声评价指标的相关性[J]. 中华医学超声杂志(电子版), 2021, 18(11): 1084-1089.

Wenli Fan, Xiao Liang, Jingxi Du, Peng Wang, Yong Yang. Correlation between renal function and aortic stiffness index assessed by Doppler ultrasound in patients with chronic kidney disease[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2021, 18(11): 1084-1089.

目的

探讨慢性肾病(CKD)患者肾功能与主动脉僵硬度之间的相关性及影响因素。

方法

纳入2021年1月至2021年5月空军军医大学唐都医院临床诊断为CKD的患者117例,以肾小球滤过率(GFR)为依据分为G1~5期,采用超声多普勒测量所有受试者的颈-股动脉脉搏波传播速度(PWV)。采用Pearson相关分析GFR与PWV之间的相关性,采用多因素线性回归,纳入并校正各混杂因素分析GFR的独立影响因素。

结果

117例CKD患者GFR值为(59.8±32.0)ml/(min·1.73 m2),颈-股动脉PWV测值为(8.83±1.81)m/s,GFR与颈-股动脉PWV间存在中等强度的负相关关系(r=-0.5698,P<0.001)。校正混杂因素后,颈-股动脉PWV是GFR的独立影响因素(P<0.001)。颈-股动脉PWV每增加1 m/s,GFR降低6.035个单位。

结论

CKD患者的肾功能指标GFR与颈-股动脉PWV之间存在独立相关关系,提示主动脉僵硬度增加与CKD的发生发展关系密切。

Objective

To explore the association between renal function and aortic stiffness and its influencing factors in patients with chronic kidney disease (CKD).

Methods

A total of 117 CKD patients at Tangdu Hospital, Air Force Military Medical University from January to May 2021 were included in this study. According to the glomerular filtration rate (GFR), the CKD in the subjects were divided into G1-5 stages. The carotid-femoral pulse wave velocity (PWV) of all subjects was measured by Doppler ultrasound. Pearson analysis was used to analyze the correlation between GFR and PWV, and multi-factor linear regression was adopted to include and correct confounding factors to analyze the independent influencing factors for GFR.

Results

In the 117 CKD patients, the mean GFR was 59.8±32.0 ml /(min?1.73 m2), and the carotid-femoral PWV was (8.83±1.81) m/s. There was a moderate inverse correlation between GFR and carotid-femoral PWV (r=-0.5698, P<0.001). After adjustment for confounding factors, there was an independent correlation between carotid-femoral PWV and GFR (P<0.001).

Conclusion

This study demonstrated that there is an independent correlation between renal function and carotid-femoral PWV in patients with CKD, suggesting that increased aortic stiffness is closely related with CKD.

图1 颈-股动脉脉搏波传播速度的超声测量。图a中A、B分别为右侧颈总动脉和右侧股总动脉血流速度频谱的采样点,图中L为采样点A、B之间的体表直线距离;图b,c为利用脉冲波多普勒记录的血流速度频谱图像,图中T1、T2分别为脉搏波起始点(图中红点)至心电图R波顶点的时间延迟,故脉搏波传播时间为T2-T1,颈-股动脉脉搏波传播速度可通过0.8 L/(T2-T1)计算获得
表1 CKD患者一般临床资料
临床资料 总CKD患者(n=117) G1期(n=29) G2期(n=30) G3期(n=28) G4期(n=21) G5期(n=9) 统计值 P
年龄(岁,
x¯
±s
50.8±12.1 44.5±12.0 49.5±13.3 52.3±9.0 54.1±10.2 63.4±8.3c F=5.855 <0.001
性别[男/女,例] 69/48 15/14 19/11 17/11 13/8 5/4 χ2=1.019 0.907
病程(年,
x¯
±s
5.0±3.5 2.7±2.1 3.7±2.3a 5.8±3.0c 7.1±3.2c 9.3±5.2c F=14.66 <0.001
BMI(kg/m2
x¯
±s
25.1±3.8 24.8±3.3 24.7±3.7 25.5±4.9 25.3±4.4 26.5±2.2 F=1.901 0.098
收缩压(mmHg,
x¯
±s
132±9 128±10 131±9 132±10 135±8 141±7b F=3.956 <0.001
舒张压(mmHg,
x¯
±s
78±7 77±7 78±8 77±9 80±7 82±7a F=2.336 0.033
平均动脉压(mmHg,
x¯
±s
96±7 94±7 96±7 95±8 98±7 102±6 F=1.098 0.212
心率(次/min) 74±11 76±11 76±13 72±12 73±10 69±9 F=1.795 0.124
空腹血糖(mmol/L,
x¯
±s
5.45±0.82 5.28±0.73 5.27±0.73 5.24±0.69 5.74±0.64 6.43±0.53 F=2.101 0.078
吸烟[例(%)] 39(33.3) 9(31.0) 10(33.3) 8(28.6) 8(38.1) 4(44.4) χ2=1.609 0.899
总胆固醇(mmol/L,
x¯
±s
4.82±1.07 4.45±0.58 4.52±0.61 4.49±0.62 4.88±0.82 5.69±1.27c F=3.199 0.018
高密度脂蛋白(mmol/L,
x¯
±s
1.18±0.38 1.26±0.39 1.20±0.42 1.16±0.39 1.19±0.38 1.05±0.27 F=1.908 0.094
低密度脂蛋白(mmol/L,
x¯
±s
2.73±0.55 2.42±0.52 2.73±0.53 2.74±0.53 3.04±0.60 2.94±0.63 F=1.387 0.177
甘油三酯(mmol/L,
x¯
±s
1.63±0.57 1.39±0.36 1.52±0.48 1.66±0.61 1.68±0.61 1.89±0.43 F=1.997 0.093
颈-股动脉PWV(m/s,
x¯
±s
8.75±1.67 7.94±1.25 8.36±1.48c 8.80±1.48a 9.33±1.58c 11.16±1.76c F=9.576 <0.001
GFR[ml/(min·1.73 m2),
x¯
±s
59.8±32.0 101.6±10.2c 73.2±9.1c 45.4±8.4c 20.9±4.0c 11.7±2.2c F=494.0 <0.001
C反应蛋白(mg/L,
x¯
±s
25.6±24.4 13.7±11.2 22.1±24.2 38.7±34.8 25.7±23.4 31.7±23.4 F=2.132 0.073
肌酐(μmol/L,
x¯
±s
62.0±15.2 47.5±10.2 46.3±9.3 54.5±11.5 87.1±16.4c 124.5±49.5c F=8.336 <0.001
血清胱抑素C(mg/L,
x¯
±s
0.92±1.12 0.64±0.67 0.78±1.00 0.83±1.17 1.77±1.28c 2.51±1.76b F=6.511 <0.001
药物使用情况[例(%)]

ACEI类

48(41.0) 11(37.9) 13(43.3) 9(32.1) 10(47.6) 5(55.5) χ2=2.257 0.681

ARB类

45(38.5) 12(41.4) 7(23.3) 13(46.4) 9(42.9) 4(44.4) χ2=2.388 0.623

钙通道阻滞剂类

41(35.0) 13(44.8) 9(30.0) 10(35.7) 7(33.3) 2(22.2) χ2=15.782 0.051

他汀类

56(47.9) 11(37.9) 18(60.0) 12(42.9) 11(52.4) 4(44.4) χ2=6.998 0.107

抗糖尿病类

42(35.9) 12(41.4) 9(30.0) 8(28.6) 10(47.6) 3(33.3) χ2=14.281 0.068

糖皮质激素类

59(50.4) 12(41.4) 17(56.7) 16(57.1) 11(52.4) 3(33.3) χ2=6.543 0.112

免疫抑制剂类

31(26.5) 8(27.6) 10(33.3) 8(28.6) 4(19.0) 1(11.1) χ2=34.475 0.038
图2 不同肾功能分期的慢性肾病患者GFR水平及颈-股动脉PWV测量结果。图a为GFR水平测量结果;图b为颈-股动脉PWV测量结果
图3 GFR水平与颈-股动脉PWV之间的相关性分析散点图
表2 CKD患者GFR的多因素线性回归分析
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