Kenneth D. Candido, Anthony R. Tharian, and Alon P. Winnie INTRODUCTION The technique of intravenous regional anesthesia (IVRA), or “Bier block,” was first introduced in 1908 by the German …

Intravenous regional anesthesia (IVRA) or Bier's block anesthesia is an anesthetic technique on the body's extremities where a local anesthetic is injected intravenously and isolated from circulation in a …

Jul 3, 2025 · The Bier block technique provides analgesia, muscle relaxation and a relatively bloodless field. It involves injection of local anaesthetic into the venous system of an extremity which has …