Induction Factors and Prevention Strategies of AVF Loss in Patients With CRF Treated by MHD
Objective To analyze the induced factors of loss of autologous arteriovenous fistula (AVF) in patients with chronic renal failure (CRF) treated by maintenance hemodialysis (MHD),and to propose preventive strategies.Methods A total of 200 patients with CRF treated with MHD were selected from department of nephrology,Lianzhou People's Hospital from March 2021 to March 2023.According to whether AVF loss occurred,they were divided into occurrence group (30 cases) and non-occurrence group (170 cases).Univariate and multivariate logistic regression analysis was performed on the general data of the two groups.And put forward the preventive strategy.Results Univariate analysis showed that age,hypotension,plasma albumin level,anticoagulation medicine,platelet count,forearm arteriovenous diameter,AVF stenosis,dialysis blood flow and blood phosphorus level were related to AVF loss (P<0.05).The logistic analysis showed that AVF loss occurred in CRF patients with age>60 years old,hypotension,plasma albumin level<35 g/L,anticoagulation medicine using ordinary heparin,platelet count>200×109/L,forearm arteriovenous diameter ≤2 mm,AVF stenosis,dialysis blood flow ≤200 mL/min,and blood phosphorus>2.5 mmol/L (P<0.05).Conclusion The risk of AVF loss is greater in CRF patients with the above inducement factors,which should be paid attention to by renal clinicians.The results of this study provide references for the formulation of criteria for the induction factors of AVF loss in CRF patients.