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Does weight force application to the lower torso have an influence on inferior vena cava and cardiovascular parameters?

保存先:
出版年:The American Journal of Emergency Medicine vol. 26, no. 5 (2008), p. 603
第一著者: Krauskopf, Astrid
その他の著者: Mayerhoefer, Marius, Oberndorfer, Felicitas, Salameh, Bayda, Bur, Andreas, Schneider, Barbara, Risser, Daniele
出版事項:
Elsevier Limited
主題:
Adult
Cardiac Output
Cardiography, Impedance
Hemodynamics
Humans
Male
Pilot Projects
Pressure
Prone Position
Regional Blood Flow
Ultrasonography, Interventional
Vena Cava, Inferior
Vena Cava, Inferior > anatomy & histology
Vena Cava, Inferior > physiology
Abdomen
Flow velocity
Compression therapy
Studies
Emergency medical care
Heart rate
Environmental
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抄録:The aim of this study was to determine whether weight force application to the lower torso can lead to impairment of inferior vena cava (IVC) and cardiovascular parameters. Using ultrasound sonography and impedance cardiography, the effects of a weight force application of 5, 10, 15, and 25 kg to the lower torso, placed in prone position, on IVC diameter and maximal blood flow, mean artery pressure, stroke volume, heart rate, cardiac index, cardiac output, oxygen saturation (Spo2), and acceleration index were investigated in 6 healthy volunteers. The following parameters showed a statistically significant correlation with the amount of weight force applied: IVC diameter: r =-0.83, P < .001; IVC maximal blood flow: r =-0.76, P < .001; cardiac index: r =-0.33, P < .05; and cardiac output: r =-0.32, P < .05. Application of moderate weight force to the lower torso can lead to major changes in IVC parameters and minor changes in cardiovascular parameters.   The aim of this study was to determine whether weight force application to the lower torso can lead to impairment of inferior vena cava (IVC) and cardiovascular parameters. Using ultrasound sonography and impedance cardiography, the effects of a weight force application of 5, 10, 15, and 25 kg to the lower torso, placed in prone position, on IVC diameter and maximal blood flow, mean artery pressure, stroke volume, heart rate, cardiac index, cardiac output, oxygen saturation (SpO(2)), and acceleration index were investigated in 6 healthy volunteers. The following parameters showed a statistically significant correlation with the amount of weight force applied: IVC diameter: r=-0.83, P < .001; IVC maximal blood flow: r=-0.76, P < .001; cardiac index: r=-0.33, P < .05; and cardiac output: r=-0.32, P < .05. Application of moderate weight force to the lower torso can lead to major changes in IVC parameters and minor changes in cardiovascular parameters.
ISSN:0735-6757
1532-8171
DOI:10.1016/j.ajem.2007.08.017
ソース:Health & Medical Collection