Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: The Outcomes of Arteriovenous Fistula (AVF) Cannulated From Different Direction in Maintenance Hemodialysis Patients.
Brief Summary: The investigators hypothesis that aneurysms and stenoses will be decreased if the direction of inserted arterial needle were same as the direction of blood flow, when compared to the opposite direction puncture.