KDOQI Clinical Practice Guideline for Vascular Access: 2019 Update

....14.1 KDOQI suggests that the use of adjuvant far-infrared therapy to improve AVF primary patency be based on individual circumstances, feasibility, and the clinician’s best judgment and expertise. (Conditional Recommendation, Moderate Quality of Evidence)....

Clinical practice guideline on peri- and postoperative care of arteriovenous fistulas and grafts for haemodialysis in adults-2019

......1.3. We suggest any decision to apply far infrared therapy in adults with end-stage kidney disease during the first 3 months after arteriovenous fistula creation must balance a possible reduction in thrombosis against uncertain effects on maturation and bleeding. (2C)......

CLINICAL PRACTICE GUIDELINE VASCULAR ACCESS FOR HAEMODIALYSIS-6th Edition

........4.Far Infrared (FIR) therapy to improve patency

FIR therapy has been shown to improve endothelial function in coronary arteries and cardiac function in patients with heart failure (10). In a study of 145 HD patients (11), a WS TY101FIR emitter was used to measure the effect on AVF maturation and long-term patency......