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The use of vascular access (AVfistula) for longterm hemodialysis is still served as the primary choice. The fact that there is still a high rate of failure of arteriovenous fistulas procedure is one of the obstacles in the treatment of chronic kidney disease problems. This study aims to assess the risk factors for AVfistula or AVshunt failure and develop a risk scoring system for the failure of the AVfistula procedure in patients with chronic kidney disease. Methods: This study is a prospective study conducted at Dr. Soetomo Hospital, Surabaya, Indonesia. The analysis focuses on the risk factors for AVfistula failure and performs a scoring order using multiple logistic regression methods. Results: Based on this study, three variables were found to have significant values in determining the risk of AVfistula failure scoring, namely local arterial condition (p<0.1), local venous condition (p<0.1), and arterial diameter (p<0.1). The scoring system for normal arteries, normal veins, and artery diameter >1.8 mm was scored 1. Scoring for veins and arteries with a history of puncture was 1. Arteries with stiff sensation with weak pulses and veins with a history of intravenous catheters scored 2. Conclusion: The use of scoring based on parameters of arterial diameter, local venous condition, and local arterial condition becomes a scoring system for predictors of the risk of failure of the AVshunt procedure, with three scoring categories, namely low risk (score 01), medium risk (score 2 3), and high risk (score 45). This study is only a preliminary study for arteriovenous fistula scoring (PAVAS Score) due to the limited sample size so that a largescale followup study is needed to assess the validity of the proposed PAVAS score.

Scoring predictor for successful of arteriovenous fistulas as vascular access in hemodialysis patients: PAVAS score