Agreement between stroke volume measured by oesophageal Doppler and uncalibrated pulse contour analysis during fluid loads in severe aortic stenosis

被引：0
作者：
Lars Øivind Høiseth
Ingrid Elise Hoff
Ove Andreas Hagen
Svein Aslak Landsverk
Knut Arvid Kirkebøen
机构：
[1] University of Oslo,Faculty of Medicine
[2] Oslo University Hospital,Department of Anesthesiology
[3] Norwegian Air Ambulance Foundation,undefined
来源：
Journal of Clinical Monitoring and Computing | 2015年 / 29卷
关键词：
Stroke volume; Aortic valve stenosis; Diagnostic techniques; Cardiovascular;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The purpose of this analysis was to study agreement and trending of stroke volume measured by oesophageal Doppler and 3rd generation Vigileo during fluid loads in patients with severe aortic stenosis. Observational study in 32 patients (30 analyzed) scheduled for aortic valve replacement due to severe aortic stenosis. After induction of anesthesia and before start of surgery, hemodynamic registrations for 1 min were obtained before and after a fluid load. Agreement between stroke volume measured by oesophageal Doppler (SVOD) and Vigileo (SVVig) was evaluated in Bland–Altman plot and trending in four-quadrant and polar plots. Bias ± limits of agreement (LOA) between SVOD and SVVig was 24 ± 37 ml (percentage error 45 %). Concordance of the two methods from before to after a fluid load was 100 %. Angular bias ± LOA was 12° ± 28°. Absolute values of SVOD and SVVig agreed poorly, but changes were highly concordant during fluid loads in aortic stenosis patients. The angular agreement indicated acceptable trending. The two measurement methods are not interchangeable in patients with aortic stenosis.
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页码：435 / 441
页数：6
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