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Objectives: This study aimed to determine the risk factors associated with the failure of arteriovenous fistulae (AVF) maturation. Methods: This retrospective cohort study was conducted from January 2014 to December 2018 in Sultan Qaboos University Hospital, Muscat, Oman. Patients were followed-up 3 months after surgery, and their electronic medical records were accessed for demographic and clinical data. Univariate analysis was used to determine the risk factors associated with early AVF maturation and multivariant analysis was used to determine the predictive factors for AVF failure. Results: A total of 269 patients were included. Female gender was a significant factor affecting AVF maturity (P = 0.049), while age (P = 0.626), diabetes (P = 0.954), hypertension (P = 0.378), dyslipidaemia (P = 0.907), coronary artery disease (P = 0.576), cerebrovascular accident (P = 0.864), congestive heart failure (P = 0.685), previous central venous catheterisation (P = 0.05), fistula type (P = 0.863) and fistula site (P = 0.861) did not affect AVF maturation. Binary logistic regression showed that all the risk factors were insignificant. Failure of early AVF maturation affected 11.5% in the cohort. Conclusion: This study found that the proportion of early AVF maturation at our hospital is at par with that in the international literature. Failure of AVF maturation was significantly associated with the female gender. These findings can help nephrologists and vascular surgeons prognosticate AVF maturation rates. However, a larger study is needed for definitive conclusions.

Keywords: End Stage Renal Disease; Arteriovenous Fistula; Dialysis; Outcome.

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Al Hashmi, S., Al Hudar, S., Stephen, E., Al Riyami, D., Al Maawali, H., Abdelhady, I., Al Wahaibi, K., & Rizvi, S. (2024). Factors Affecting the Early Maturation of Arteriovenous Fistulae Created at a Tertiary Centre in Oman. Sultan Qaboos University Medical Journal, 24(1), 37–43.

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