Der Anaesthesist
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A report is given on 170 orthopedic operations performed under hemi-spinal anaesthesia. The anaesthetic agent used was hyperbaric bupivacaine 1% (Marcaine, Carbostesine). Of these cases 92 were total hip joint replacements and 78 other operations of the lower extremities. ⋯ The anaesthetics and postoperative courses were smooth. In the total prosthetic hip joint operations hypotension during the implantation of acelabulum--or femur--cement was not observed. With doses of 1 ml of the local anaesthetic the average duration of analgesia was 3 hours and 10 minutes, and with added vasoconstrictor 4 hours.