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Newly Developed Software for Capillary Blood Pressure Analysis in Microcirculatory Research

 

作者: M. Hahn,   T. Klyscz,   AC. Shore,   M. Jünger,  

 

期刊: International Journal of Microcirculation  (Karger Available online 1996)
卷期: Volume 16, issue 3  

页码: 129-136

 

ISSN:0167-6865

 

年代: 1996

 

DOI:10.1159/000179162

 

出版商: S. Karger AG

 

关键词: Capillary blood pressure analysis;newly developed software;Hemodynamics;Pulse pressure

 

数据来源: Karger

 

摘要:

The introduction of the servonulling technique by Wiederhielm in 1963 allowed for the first time continuous and dynamic recording of capillary blood pressure (CP). In 1979 Mahler used this technique for the first measurements in humans. Data analysis was limited to manual analysis of chart recordings. Nowadays fast analog-digital converters with ay high sampling frequency are used for data recordings, and consequently there is a need for an easy-to-use software for data analysis of CP data. The presented newly developed computer software allows analysis of mean CP, taking into account the zero pressure measured before and after capillary cannulation. The simultaneously recorded electrocardiogram R wave is used as a marker for the calculation of the mean capillary pulse pressure waves and of their characteristic data. This may help determine the significance of the capillary pulse waveform for microvascular function. Changes in the pulse waveform may be the only detectable difference between patients and healthy controls. Analysis of simultaneously recorded temperature, the display of markers for valid readings, and the possibility of excluding nonvalid data or artefacts from analysis are additional features.

 

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