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Effect of hemodialysis on impedance cardiography (electrical velocimetry) parameters in children.
Pediatric Nephrology ( IF 2.6 ) Pub Date : 2019-12-14 , DOI: 10.1007/s00467-019-04409-1
Meike Wilken 1, 2, 3 , Jun Oh 1, 4 , Hans O Pinnschmidt 5 , Dominique Singer 1, 2 , Martin E Blohm 1, 2, 6
Affiliation  

BACKGROUND Pediatric hemodialysis (HD) patients have a high incidence of cardiovascular morbidity and mortality. The study aim was to investigate whether impedance cardiography (electrical velocimetry, EV) is suitable as a hemodynamic trend monitoring tool in pediatric patients during HD. METHODS Measurements by EV were obtained before, during, and after HD in a prospective single-center pediatric observational study. In total, 54 dialysis cycles in four different pediatric patients with end-stage kidney disease on chronic HD were included. EV parameters analyzed were heart rate (HR), stroke volume (SV), stroke volume index (SI), cardiac output (CO), cardiac index (CI), thoracic fluid content (TFC), index of contractility (ICON), stroke volume variation (SVV), variation of ICON (VIC), R-R interval (TRR), pre-ejection period (PEP), left ventricular ejection time (LVET), and systolic time ration (STR). Systemic vascular resistance index (SVRI) was calculated. RESULTS EV did measure significant changes in cardiovascular parameters associated with HD. The following parameters increased after HD: HR (9%), SVV (19%), VIC (33%), PEP (8%), and STR (18%). A decrease after HD was measured in SV (18%), SI (18%), CO (10%), CI (10%), TFC (10%), ICON (7%), TRR (7%), LVET (8%), and LVET (8%). SVRI was not affected by HD. The changes were correlated to ultrafiltration. HD cycles without fluid withdrawal also altered cardiovascular parameters. CONCLUSIONS Pediatric HD with and without fluid withdrawal changes hemodynamic EV monitoring parameters. Possibly EV may be useful to optimize HD management in pediatric patients.

中文翻译:

血液透析对儿童阻抗心动图(电测速)参数的影响。

背景技术小儿血液透析(HD)患者的心血管疾病发病率和死亡率很高。该研究的目的是调查在心律失常期间,阻抗心动图(电测速仪,EV)是否适合作为儿科患者的血流动力学趋势监测工具。方法在一项前瞻性单中心儿科观察性研究中,在HD之前,期间和之后进行EV测量。总共包括四位不同的小儿慢性肾病终末期肾脏疾病的小儿透析周期54个透析周期。分析的EV参数为心率(HR),中风量(SV),中风量指数(SI),心输出量(CO),心脏指数(CI),胸液含量(TFC),收缩力指数(ICON),中风体积变化(SVV),ICON变化(VIC),RR间隔(TRR),射血前期(PEP),左心室射血时间(LVET)和收缩时间比(STR)。计算全身血管阻力指数(SVRI)。结果EV确实测量了与HD相关的心血管参数的显着变化。HD后以下参数增加:HR(9%),SVV(19%),VIC(33%),PEP(8%)和STR(18%)。在SV(18%),SI(18%),CO(10%),CI(10%),TFC(10%),ICON(7%),TRR(7%),LVET(HD)后测量HD的下降(8%)和LVET(8%)。SVRI不受高清影响。这些变化与超滤相关。没有抽液的高清循环也改变了心血管参数。结论伴有或不伴有液体抽出的小儿HD改变了血流动力学EV监测参数。EV可能对优化小儿患者的HD管理很有用。计算全身血管阻力指数(SVRI)。结果EV确实测量了与HD相关的心血管参数的显着变化。HD后以下参数增加:HR(9%),SVV(19%),VIC(33%),PEP(8%)和STR(18%)。在SV(18%),SI(18%),CO(10%),CI(10%),TFC(10%),ICON(7%),TRR(7%),LVET(HD)后测量HD的下降(8%)和LVET(8%)。SVRI不受高清影响。这些变化与超滤相关。没有抽液的高清循环也改变了心血管参数。结论伴有或不伴有液体抽出的小儿HD改变了血流动力学EV监测参数。EV可能对优化小儿患者的HD管理很有用。计算全身血管阻力指数(SVRI)。结果EV确实测量了与HD相关的心血管参数的显着变化。HD后以下参数增加:HR(9%),SVV(19%),VIC(33%),PEP(8%)和STR(18%)。在SV(18%),SI(18%),CO(10%),CI(10%),TFC(10%),ICON(7%),TRR(7%),LVET(HD)后测量HD的下降(8%)和LVET(8%)。SVRI不受高清影响。这些变化与超滤相关。没有抽液的高清循环也改变了心血管参数。结论伴有或不伴有液体抽出的小儿HD改变了血流动力学EV监测参数。EV可能对优化小儿患者的HD管理很有用。HD后以下参数增加:HR(9%),SVV(19%),VIC(33%),PEP(8%)和STR(18%)。在SV(18%),SI(18%),CO(10%),CI(10%),TFC(10%),ICON(7%),TRR(7%),LVET(HD)后测量HD的下降(8%)和LVET(8%)。SVRI不受高清影响。这些变化与超滤相关。没有抽液的高清循环也改变了心血管参数。结论伴有或不伴有液体抽出的小儿HD改变了血流动力学EV监测参数。EV可能对优化小儿患者的HD管理很有用。HD后以下参数增加:HR(9%),SVV(19%),VIC(33%),PEP(8%)和STR(18%)。在SV(18%),SI(18%),CO(10%),CI(10%),TFC(10%),ICON(7%),TRR(7%),LVET(HD)后测量HD的下降(8%)和LVET(8%)。SVRI不受高清影响。这些变化与超滤相关。没有抽液的高清循环也改变了心血管参数。结论伴有或不伴有液体抽出的小儿HD改变了血流动力学EV监测参数。EV可能对优化小儿患者的HD管理很有用。这些变化与超滤相关。没有抽液的高清循环也改变了心血管参数。结论伴有或不伴有液体抽出的小儿HD改变了血流动力学EV监测参数。EV可能对优化小儿患者的HD管理很有用。这些变化与超滤相关。没有抽液的高清循环也改变了心血管参数。结论伴有或不伴有液体抽出的小儿HD可改变血液动力学EV监测参数。EV可能对优化小儿患者的HD管理很有用。
更新日期:2020-03-04
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