What evidence is needed?
More primary research is needed.
What evidence is available?
Reliable systematic reviews that show evidence gaps:
Mihovilovic K, Axelsson TH, Bäckman L, Csernai A, Eliasdottir S, Sjögren P, Svanberg T, Søfteland JM, Jivegård. Efficacy and safety of endovascular versus surgical arterio-venous fistula creation for hemodialysis [Effektivitet och säkerhet för endovaskulärt jämfört med kirurgiskt anlagd arterio-venös fistel för hemodialys]. Göteborg: Västra Götalandsregionen, Sahlgrenska Universitetssjukhuset, HTA-centrum; 2021. Regional activity based HTA 2021:122. More about the review
Reliable, but not updated, systematic reviews that show evidence gaps:
- Registration number:
Evidence gap identifies methods or practices for which no conclusive systematic review of benefits and harms has been published. Gaps in scientific evidence appear on the SBU website to help researchers and granting agencies identify areas that are in need of research or systematic review. An additional objective is to offer healthcare and social service providers a basis for setting priorities.