WCN24-1089 TREATMENT OF ARTERIOVENOUS FISTULA STENOSIS ACCORDING TO ULTRASOUND MORPHOLOGY - Ru Yu Tan; Hiuyu Lee; Davina Ngoi Wah Lie; Suh Chien Pang; Alvin Ren Kwang Tng; Chee Wooi Tan; Kay Yuan Chong; Edward Choke; Jackie Pei Ho; Kiang Hiong Tay; Tze Tec Chong; Chieh Suai Tan (Kidney International Reports)