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INTERNATIONAL ANGIOLOGY

Rivista di Angiologia


Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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International Angiology 1998 December;17(4):255-9

Copyright © 2000 EDIZIONI MINERVA MEDICA

lingua: Inglese

Measurements of calf muscle pump efficiency during simulated ambulation

Tucher E. A. T., Lamb L., Callicott C., Cooke S. D., Cooke E. D.

From the Clinical Microvascular Unit, St. Bartholomew’s Hospital, West Smithfield, London


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Objective. To deter­mine the accept­abil­ity and repro­du­cibil­ity of a novel meth­od of meas­ur­ing calf mus­cle pump effi­cien­cy (CMPE). If con­firmed, to exam­ine if the ­results had impli­ca­tions for the use of elas­tic com­pres­sion stock­ings.
Experimental design. A ­system ­devised to meas­ure pres­sure/vol­ume rela­tion­ships in the calf dur­ing sim­u­lat­ed ambu­la­tion and from which may be ­derived a value for CMPE.
Setting. A tem­per­a­ture/humid­ity con­trolled vas­cu­lar labor­a­to­ry.
Participants. The study ­groups were nor­mal sub­jects and ­patients with leg pain of more than three ­months dura­tion with and with­out chron­ic ­venous insuf­fi­cien­cy (CVI) iden­ti­fied using infra-red pho­to­ple­thys­mog­ra­phy.
Results. The ­system ­described is wide­ly accept­able and repro­du­cible (r=0.923). Group anal­y­sis ­showed a sig­nif­i­cant reduc­tion of CMPE in ­patients with CVI. However, CMPE var­ies wide­ly in these ­patients. Some ­patients with insuf­fi­cien­cy of the deep veins have a nor­mal CMPE.
Conclusions. These find­ings have impli­ca­tions for the use of elas­tic com­pres­sion stock­ings and the ­degree of com­pres­sion ­applied.

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