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M-mode echovenography: a new technique for the evaluation of venous wall and valve motion


Jager, K; Seifert, H; Bollinger, A (1989). M-mode echovenography: a new technique for the evaluation of venous wall and valve motion. Cardiovascular Research, 23(1):25-30.

Abstract

The M-mode technique which is widely used in echocardiography allows continuous recording of spontaneous venous wall movements. Compliance of the vein can be quantified. The diameter of the normal vein changes with respiration, while only minor changes are induced by cardiac function. Distensibility and compressibility of the common femoral vein (CFV) were documented. During Valsalva manoeuvre the mean diameter of the CFV increased from 1.05(SD 0.18) cm to 1.52(0.25) cm (p<0.01) in the recumbent position and from 1.50(0.20) cm to 1.63(0.17) cm (NS) in the upright position. A patent vein can be completely compressed by the scan head, a thrombosed vein is incompressible. The valve of the normal subclavian vein describes a characteristic M-shaped tracing. The waveform is modulated by cardiac and respiratory function. The study of venous wall movement and venous valve motion provides new insights into venous physiology

Abstract

The M-mode technique which is widely used in echocardiography allows continuous recording of spontaneous venous wall movements. Compliance of the vein can be quantified. The diameter of the normal vein changes with respiration, while only minor changes are induced by cardiac function. Distensibility and compressibility of the common femoral vein (CFV) were documented. During Valsalva manoeuvre the mean diameter of the CFV increased from 1.05(SD 0.18) cm to 1.52(0.25) cm (p<0.01) in the recumbent position and from 1.50(0.20) cm to 1.63(0.17) cm (NS) in the upright position. A patent vein can be completely compressed by the scan head, a thrombosed vein is incompressible. The valve of the normal subclavian vein describes a characteristic M-shaped tracing. The waveform is modulated by cardiac and respiratory function. The study of venous wall movement and venous valve motion provides new insights into venous physiology

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Item Type:Journal Article, refereed, original work
Communities & Collections:National licences > 142-005
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Scopus Subject Areas:Life Sciences > Physiology
Health Sciences > Cardiology and Cardiovascular Medicine
Health Sciences > Physiology (medical)
Language:English
Date:1 January 1989
Deposited On:17 Oct 2018 14:41
Last Modified:15 Apr 2021 14:50
Publisher:Oxford University Press
ISSN:0008-6363
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1093/cvr/23.1.25

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