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CURRENT ISSUEINTERNATIONAL ANGIOLOGY

A Journal on Angiology


Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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ORIGINAL ARTICLES  


International Angiology 1998 December;17(4):255-9

language: English

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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