Year : 2021  |  Volume : 8  |  Issue : 6  |  Page : 130-136

Comparative study of the effects of two suturing techniques of End-to-side arteriovenous anastomosis on early outcomes of radio-cephalic fistulas

Padmashree Dr. D. Y. Patil Hospital and Research Centre, Navi Mumbai, Maharashtra, India

Correspondence Address:
Sameer Vilas Vyahalkar
Padmashree Dr. D. Y. Patil Hospital and Research Centre, Navi Mumbai, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijves.ijves_58_21

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Introduction: Radiocephalic arteriovenous fistulas (AVFs) for dialysis have significantly high maturation failure rate. Many surgical technique-related factors are known to impact the outcomes of AVF surgery; anastomotic suturing technique is one such factor for which the published data is sparse. Patients and Methods: We retrospectively analyzed the data of patients who underwent end-to-side radio-cephalic AVF surgery during a 2-year period and grouped it according to the two techniques of anastomotic suturing: Anchor technique and parachute technique. Comparative analysis was done to study the effect of the technique on well-defined outcomes within the first 6 months of surgery. Results: A total of 119 AVFs (anchor technique = 65, parachute technique = 54) were included in the study. The aggregated primary patency at 6 weeks and 6 months was 85.7% and 78.1% respectively and successful use of fistula was seen in 62.2%. The parachute technique was associated with lower immediate access thrombosis (3.7% vs. 15.4%, P = 0.019) and primary failure (31.5% vs. 43%, P = 0.033) than the anchor technique. The groups did not differ statistically in outcomes like early access failure (P = 0.376), maturation failure (P = 0.105), primary patency at 6 weeks (P = 0.07) and at 6 months (P = 0.083) and successful use of fistula at 6 months (P = 0.196). Conclusion: In this retrospective single-center study, the parachute technique of anastomotic suturing was associated with lower incidence of immediate access failure of radio-cephalic AVF as compared to the anchor technique, although other early outcomes were similar with both techniques. The effects of different suturing techniques on surgical outcomes of AVF should be studied in large randomized trials.

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