To investigate the role of color Doppler ultrasound guidance in establishing vascular access for hemodialysis in patients with chronic renal failure (CRF).

A total of 160 CRF patients admitted to our hospital from January 2019 to January 2020 were selected, and randomly divided into an observation group and a control group with 80 cases each. The vascular access of patients in the observation group was established under the guidance of color Doppler ultrasound, while the vascular access of patients in the control group was established by physicians based on clinical experience. The two groups were compared in the success rate of the first puncture, vascular patency rate, as well as the diameter of the cephalic vein, diameter of the radial artery, diameter of the anastomosis, and arterial blood flow at 1 week and 6 months after establishment of the vascular access. Besides, the two groups were also compared in the incidence of complications such as subcutaneous hematoma, thrombosis, and local vascular sclerosis.

The success rate of first puncture and vascular patency rate in the observation group were higher than those in the control group (P< 0.05). The diameters of the cephalic vein, radial artery, and anastomosis, as well as blood flow of them were significantly greater at six months than at one week after establishing the vascular access (P<0.05). Besides, these were also higher in the observation group than in the control group at the same time points (P<0.05). The total incidence of complications in the observation group was also lower than that in the control group (P<0.05).

Color Doppler ultrasound guidance could significantly improve establishing vascular access for hemodialysis in the CRF patients, with fewer complications.