A single treatment, using Far Infrared light improves blood flow conditions in arteriovenous fistula

November 1, 2017

Abstract

BACKGROUND: A native arteriovenous fistula (AVF) is recommended for angio access in patients on chronic hemodialysis

(HD). Fistula patency has been improved by exposure to Far Infrared light (FIR).

OBJECTIVE: To investigate whether a single FIR treatment could alter blood velocity, AVF diameter or inflammatory

markers.

METHODS:Thirty patients with a nativeAVF in the forearm were included. Each patientwas his/her own control. Ultrasound

(US) examinations were performed before and after a single FIR treatment.

RESULTS: A single FIR treatment resulted in a significant increase in blood velocity over the AV fistula from a mean of

2.1 ± 1.0 m/s to 2.3 ± 1.0 m/s (p = 0.02). The diameter of the arterialized vein became wider; 0,72 cm ± 0.02 to 0,80 cm ± 0.02,

(p = 0.006). The increase in fistula blood velocity correlated positively with base line serum- urate p = 0.004) and the increase

in venous diameter with the base line plasma orosomucoid concentration (p = 0.005).

CONCLUSIONS: This study shows that a single FIR treatment significantly increasedAVF blood velocity and vein diameter.

Thus, one FIR treatment can help maturation of AVF in the early postoperative course.

-Clinical Hemorheology and Microcirculation 66 (2017) 211–217

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