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- W4311505636 abstract "Introduction: Autogenous radio-cephalic arteriovenous fistula (RCAVF) is preferred for chronic hemodialysis access. However, RCAVF still suffers from disappointing survival due to fistula dysfunction, with intimal hyperplasia (IH) as an underlying cause of this condition. The inconsistency of radial artery diameter (D RA ) and cephalic vein diameter (D CV ) is one of the factors affecting the shear disturbance, which is believed to trigger the onset of IH. However, there are no reports correlating the difference in D RA and D CV with RCAVF outcomes. Methods: This was a retrospective cohort study. Consecutive patients ( n = 233) with a new RCAVF created were included if they underwent duplex ultrasound examination to evaluate preoperatively the radial artery diameter (D RA ) and cephalic venous diameter (D CV ). We then calculated radial artery-cephalic vein diameter difference (D CV minus D RA , termed D CV -D RA hereafter) and evaluated the association of the preoperative D CV -D RA with primary patency of RCAVF at 12 months. Subgroup analysis was also performed to explore effect modification by age, gender, radial artery diameter, and cephalic vein diameter with D CV -D RA . Results: After adjusting for age, gender, weight, and mean arterial pressure, the preoperative D CV -D RA was associated with primary patency of RCAVF at 12 months (adjusted Odds ratio [aOR], 1.524 per 1-mm increase; 95% confidence interval [95% CI], 1.048–2.218). The primary patency of RCAVF at 12 months was achieved in 69.4%, 71.8%,and 87.3% of patients with a preoperative D CV -D RA of ⩽−0.6 mm, (−0.5)–0.5 mm, and ⩾0.6 mm, respectively. P for trend was 0.029. Patients with D CV -D RA of ⩾0.6 mm had a much higher chance of 12-month patency than patients with D CV -D RA of ⩽−0.6 mm (aOR, 3.574; 95% CI, 1.276–10.010). Age, gender, radial artery diameter, and cephalic vein diameter did not modify the association of D CV -D RA with primary patency of RCAVF at 12 months. Conclusions: Preoperative D CV -D RA may be an under-recognized predictor of RCAVF patency." @default.
- W4311505636 created "2022-12-26" @default.
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- W4311505636 date "2022-12-14" @default.
- W4311505636 modified "2023-10-18" @default.
- W4311505636 title "The difference in diameter between radial artery and cephalic vein correlates with primary patency of radio-cephalic arteriovenous fistula" @default.
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- W4311505636 doi "https://doi.org/10.1177/11297298221142387" @default.
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