Low-pressure environment and remodelling of the forearm vein in Brescia-Cimino haemodialysis access.
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2002
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info:eu-repo/semantics/altIdentifier/doi/10.1093/ndt/17.6.1057
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info:eu-repo/semantics/altIdentifier/pmid/12032197
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info:eu-repo/semantics/altIdentifier/urn/urn:nbn:ch:serval-BIB_80A223635A587
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J.M. Corpataux et al., « Low-pressure environment and remodelling of the forearm vein in Brescia-Cimino haemodialysis access. », Serveur académique Lausannois, ID : 10.1093/ndt/17.6.1057
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BACKGROUND: The aim of the study was to determine which, and to what extent, haemodynamic parameters contribute to the remodelling of the venous limb of the Brescia-Cimino haemodialysis access. METHODS: The dimensions of the radial artery and the venous limb of the haemodialysis access were measured by an echo-tracking technique. In six ESRD patients undergoing primary arteriovenous fistula (AVF) formation, vessel diameter, wall thickness, blood pressure and blood flow were measured after the operation, and at 1 and 3 months follow-up. The contralateral forearm vessels in their native position served as baseline values for comparison. RESULTS: The diameter of the proximal antecubital vein progressively increased over the study period without reaching significant differences (4430, 5041 and 6620 microm at weeks 1, 4 and 12 respectively), whereas the intima-media thickness remained unchanged. The venous dilatation was associated with a reduction of the mean shear stress that culminated after the operation and progressively returned to normal venous values at 3 months (24.5 vs 10.4 dyne/cm(2), P