A total of 49 patients with severe AVF stenosis (with the degree of stenosis > 50%) confirmed by DUS were selected Results: 49 patients (21 males, 42.9%) with a median age of 50 (38 - 640) were included in the study.
Kết quả: 49 BN nghiên cứu tuổi trung vị 50 tuổi (38 - 64), 21 nam (42,9%), thời gian chạy TNT trung vị là 4,09 năm.