PMID: 16649374May 3, 2006Paper

Arteriovenous fistula thrombosis in patients on regular hemodialysis: a report of 171 patients

Archives of Iranian Medicine
Jamshid RoozbehSeyed-Ali Malekhoseini

Abstract

Fistula thrombosis in patients on maintenance hemodialysis is an important morbidity factor. Arterial or venous thrombotic events have been described as complications in patients on regular hemodialysis. This study was designed to evaluate the risk factors for arteriovenous fistula thrombosis. One hundred and seventy-one patients with arteriovenous fistula on maintenance hemodialysis were studied prospectively during a period of 14 months for any episode of arteriovenous fistula thrombosis, after anticardiolipin antibodies were assayed by ELISA. Other risk factors for thrombosis such as the presence of diabetes or hypertension, the use of erythropoietin (rhEPO), fistula site, gender, age, ultrafiltration, hypotension during dialysis, and the number of dialysis visits in a week were assessed. Fifty-six percent of patients had IgG-anticardiolipin antibodies > or = 10GPL, which was significantly correlated with dialysis duration (23.18 +/- 24.56 months in patients with anticardiolipin antibodies < or = 10GPL vs. 37.73 +/- 36.35 months in patients with 20 < or = IgG-anticardiolipin antibodies < 40GPL). Within the 14 months of follow-up, 36 episodes of arteriovenous fistula thrombosis occurred in 31 patients (18.1%). Considering ant...Continue Reading

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