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Article Type

Original Study

Abstract

Background Centralven ous occlusion (CVO) is a common complication in hemodialysis patients, causing significant morbidity and arteriovenous fistula (AVF) dysfunction. CVO occurs in ~25–40% of hemodialysis patients. CVO most commonly occurs as a result of endovenous scarring secondary to repeated central venous catheterizations. The aim of the endovascular intervention is to provide symptomatic relief to the patients while preserving the function of AVF. Objective The aim of this study was to evaluate the efficacy and safety of endovascular intervention for central venous obstruction (CVO) in hemodialysis patients. Patients and methods This prospective study included 17 hemodialysis patients with symptomatic complete CVO on the side of a functioning AVF, who underwent endovascular intervention between January 2016 and December 2018 in Mataria Teaching Hospital, Cairo, Egypt. Results The study was conducted on 17 hemodialysis patients, comprising 13 (76.5%) females and four (23.5%) males. Their age ranged between 51 and 69 years, with a mean age of 60 years. Successful recanalization was achieved in 12 (70.6%) patients, and inability to cross the lesions occurred in five (29.4%) patients. The follow-up period ranged from 7 to 17 months, with the mean overall follow-up was 13.5 months. The primary patency rate was 100% at 6 months. Recurrent stenosis occurred in two (16.6%) patients, and the two patients were subjected to a second successful endovascular intervention. Conclusion Endovascular intervention is safe and effective in treating central venous obstruction in hemodialysis patients.

Keywords

Angioplasty, central venous obstruction, endovascular intervention, hemodialysis patients

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