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Acute arterio-venous fistula occlusion decreases sympathetic activity and improves baroreflex control in kidney transplanted patients.

par Velez-Roa, Sonia ;Neubauer, Julanta ;Wissing, Karl Martin ;Porta, A;Somers, Virend Kristen;Unger, Philippe ;Van De Borne, Philippe
Référence Nephrology, dialysis, transplantation, 19, 6, page (1606-1612)
Publication Publié, 2004-06

Article révisé par les pairs

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Résumé :

The acute bradycardia induced by the occlusion of an arteriovenous fistula (AVF), known as the Nicoladoni-Branham sign, is considerably larger than that which occurs during carotid sinus massage. This suggests increased arterial baroreflex sensitivity during acute AVF occlusion. Moreover, the influence of acute AVF occlusion on muscle sympathetic nerve traffic (MSNA, by microneurography) is unknown. We therefore assessed the effects of acute AVF occlusion on baroreflex sensitivity and on MSNA in patients with stable functional kidney grafts and patent AVF.