AI Article Synopsis
- Creation of arteriovenous fistulas (AVF) can cause left ventricle hypertrophy and potentially worsen heart failure if blood flow exceeds 2 L/min or cardiac index is above 3.0 L/min/m².
- A new technique called dilator-assisted banding simplifies the process by reducing blood flow without requiring endovascular catheterization, which adds complexity to the procedure.
- In a study of 12 banding procedures, the average blood flow decreased significantly from 3733.2 mL/min to 1461.2 mL/min, demonstrating the effectiveness of this method.
Article Abstract
Creation of arteriovenous fistula (AVF) may lead to left ventricle hypertrophy and predispose for development or worsening of heart failure. It was postulated to reduce access blood flow if exceeded 2 L/min or cardiac index was higher than 3.0 L/min/m(2). Numbers of techniques decreasing flow were described. The major disadvantage was the complexity of procedure and necessity of intraoperative flow measurement needed to establish desired flow. The technique of dilator-assisted banding with no endovascular catheterization is presented. After blunt dissection non absorbable thread was placed around vessel and tied over the dilator. Then the dilator was gently removed and blood flow was confirmed by palpation. We performed 12 banding procedures. Mean brachial blood flows were 3733.2 ± 826.2 mL/min preoperatively and 1461.2 ± 337.7 mL/min after surgery. Mean flow reduction was 2272.2 ± 726.9 mL/min. The external dilator-assisted banding is a feasible method for vascular access flow reduction without necessity of endovascular catheterization.
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| http://dx.doi.org/10.1080/0886022X.2016.1184936 | DOI Listing |
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