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This study analyzed the long-term arteriovenous fistula (AVF) patency rate and its determinants in patients undergoing maintenance hemodialysis. General data and laboratory examinations of hemodialysis patients were collected retrospectively. The primary patency time, primary functional patency time, cumulative patency time, cumulative functional patency time, and temporary central venous catheterization (CVC) time were counted. Cox regression was used to analyze the relationships between different factors and AVF survival time. Kaplan-Meier survival analysis was used to analyze the primary patency, primary functional patency, cumulative patency, and cumulative functional patency rates between different groups. A total of 174 patients were included (mean age 58.38 ± 15.35 years), 57 women (32.76%) and 68 diabetics (39.08%). Univariate and multivariate Cox regression showed a correlation between UCR and AVF primary patency time, primary functional patency time, cumulative patency time, and cumulative functional patency time (HR 1.127, 1.116, 1.127, 1.115, 1.088, 1.075, 1.087, 1.013; 95%CI 1.055–1.204, 1.043–1.194, 1.055–1.204, 1.042–1.194, 1.022–1.158, 1.006–1.149, 1.021–1.157, 1.004–1.147;  p  &lt; 0.001, 0.001, &lt;0.001, 0.002, 0.008, 0.033, 0.009, 0.039, respectively). Duration of temporary CVC was also correlated (HR 1.013, 1.013, 1.013, 1.014, 1.008, 1.008, 1.008, 1.008; 95%CI 1.007–1.018, 1.008–1.019, 1.008–1.019, 1.009–1.020, 1.004–1.012, 1.004–1.012, 1.004–1.012, 1.004–1.012;  p  &lt; 0.001, &lt;0.001, &lt;0.001, &lt;0.001, &lt;0.001, &lt;0.001, &lt;0.001, &lt;0.001, respectively). Female sex was correlated with the primary patency time and the primary functional patency time (HR 1.755, 1.765, 1.767; 95%CI 1.028–2.997, 1.034–3.014, 1.021–3.057;  p  = 0.039, 0.037, 0.042, respectively), but not with the cumulative patency time and the cumulative functional patency time, the primary patency rate and primary functional patency rate of AVF were higher in male than in female patients (χ 2  = 4.439, 4.531;  p  = 0.035, 0.033, respectively). The primary patency rate, primary functional patency rate, cumulative patency rate, and cumulative functional patency rate of AVF with UCR &gt; 10.11 group are lower than those with UCR ≤ 10.11 (χ 2  = 10.745, 10.712, 4.605, 4.472;  p  = 0.001, 0.001, 0.032, 0.034, respectively). The group of DTCP ≤ 42 days is better than DTCP &gt; 42 days (χ 2  = 6.014, 6.055, 8.572, 8.461;  p  = 0.014, 0.014, 0.003, 0.004, respectively). Women with high UCR values at the beginning of dialysis and a long duration of temporary CVC have a poor long-term survival rate of AVF. Therefore, UCR can be used as an indicator to predict the long-term survival rate of AVF. Simultaneously, clinicians should remove the temporary catheter as early as possible if conditions permit it.

Analysis of patency rates and factors associated with arteriovenous fistula in maintenance hemodialysis patients followed for 10 years