Patency rate difference of the arteriovenous fistula with and without pre-anastomosis balloon dilatation in chronic kidney disease patients

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Abstract

Background: Arteriovenous fistula (AVF) failure rate in chronic kidney disease patients is relatively high due to inadequate feeding arteries and draining veins. The primary balloon angioplasty (PBA) dilatation technique is a way to mitigate AVF failure. There have not been many studies to determine the patency rate with and without PBA. This study analyzed the patency rate and the number of patency failures in Indonesia AVF patients with and without PBA. Methods: A retrospective cohort study was conducted in AVF surgery patients from 2019 to 2021 with or without PBA with a total sample technique. The patient was choosen without AVF surgery in the same arm with had follow-up every three months for three years. We excluded incomplete medical record data and unfollowed patients six weeks after surgery. The Kaplan– Meier method used the log-rank test to estimate each group’s patency rate. The p-value<0.05 was considered significant. Results: There were 60 subjects, of which 29 were with PBA and 31 were without PBA. There was a significant difference between the two groups regarding venous diameter and postoperative venous flow volume (p<0.01). The log-rank test showed a significant difference in patency failure in the group without PBA (35.5%, mean patency rate 56.3 weeks) compared to the group with PBA (10.3%, mean patency rate 104.4 weeks) with p=0.028. The median duration showed that 50% of the group without PBA experienced patency failure at week 59.3. In contrast, until the observation’s end, the PBA group experienced patency failure of less than 50%. Conclusion: Using the PBA technique can reduce the incidence of patency failure and maintain longer patency in patients with AVF.

Original languageEnglish
Pages (from-to)1259-1261
Number of pages3
JournalBali Medical Journal
Volume11
Issue number3
DOIs
Publication statusPublished - 2022

Keywords

  • Arteriovenous fistula
  • AVF
  • Balloon angioplasty
  • Indonesia
  • Patency rate

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