TITLE

THE INVESTIGATION OF PERIPHERAL ARTERIAL DISEASE BY STRAIN GAUGE PLETHYSMOGRAPHY

AUTHOR(S)
Myers, Kenneth
PUB. DATE
July 1964
SOURCE
Angiology;Jul1964, Vol. 15 Issue 7, p293
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
1. Objective measurement of blood flow contributes to the assessment of the presence and distribution of peripheral arterial disease. Strain gauge plethysmography is technically simple, allows distinction between muscle and skin flows and enables frequent measurements of rapidly varying flows. 2. Reactive hyperemia flows are considered to give the best index of the ‘functional capacity’ of the circulation. 3. The ranges of peak flows in a group of normal subjects and in a group of patients with gross arterial disease were quite distinct so that the test can be used in the diagnosis of the presence of disease. 4. The magnitude of the peak flow was not related to the major symptom in patients with disease, indicating that the manifestations of disease are as much dependent on its distribution as on the degree of impairment of flow. 5. The time at which peak flow occurred during reactive hyperemia was related to the site of disease, being almost immediate with diffuse small vessel disease and considerably delayed with major vessel occlusion. 6. The delay in peak flow with major vessel occlusion is considered to be a manifestation of the initial preferential supply from collaterals to the proximal relatively undiseased vascular bed; and the period of this delay is thus considered to enable assessment of the severity of small vessel disease in patients with major arterial occlusion. This may be of assistance in predicting the likely results of arterial reconstruction.
ACCESSION #
16371024

 

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