title: Failure of intravenous regional analgesia using a double cuff tourniquet.
abstract: A case is presented of an elderly, obese patient with calcified peripheral vessels in whom an intravenous regional analgesic technique failed because arterial occlusion could not be achieved safely with a double cuff tourniquet. The possible causes and precautions are discussed.
mesh_terms: D000368:Aged; D000765:Anesthesia, Conduction; D000771:Anesthesia, Intravenous; D001132:Arm / Q000098:blood supply; D002114:Calcinosis / Q000150:complications*; D005260:Female; D006801:Humans; D009765:Obesity / Q000150:complications*; D014111:Tourniquets; D014652:Vascular Diseases / Q000150:complications*