Unless the fistula is matured i.e. veins are developed enough to support the blood flow required for the hemodialysis, it can not be used. Meanwhile if the situation arise as in need of emergency hemodialysis, HD catheter placement will be the only option for hemodialysis. Peritoneal dialysis is another option.
Health Tips
Kindly discuss about various modalities of Dialysis therapy with your Nephrologist