• Anna-Maija Korhonen.
• Department of Intensive Care Medicine, Meilahti University Hospital, Finland. Anna-maija.korhonen@hus.fi
• Curr Opin Anaesthesiol. 2006 Dec 1;19(6):612-6.

Purpose Of ReviewAn increasing number of day-case surgical patients is challenging the presently used methods of anaesthesia: reliable surgical anaesthesia should be fast, with rapid recovery and minimal side effects. To compete with modern ambulatory general anaesthesia a knowledge of special spinal anaesthesia techniques is essential. This review brings together important issues concerning the spinal technique, anaesthetic agents and benefits as well as the disadvantages of spinal anaesthesia in outpatients.Recent FindingsFor surgical procedures in one lower limb, a low dose of hyperbaric bupivacaine with standardized spinal anaesthesia technique produces a reliable block, with low incidence of side effects and home-readiness equal to spinal anaesthesia with lidocaine (50 mg) or general anaesthesia (desflurane), whereas ropivacaine has not shown benefits over spinal anaesthesia with bupivacaine. 'Walk-in, walk-out' spinals with an extremely low dose of lidocaine and opioids for gynaecological laparoscopy created the concept of selective spinal anaesthesia. Reintroduction of chloroprocaine may provide a solution for bilateral, short-acting spinal anaesthesia in the future.SummaryTo produce reliable spinal anaesthesia with a reasonable recovery time it is essential to understand the factors affecting the spread of spinal block and to choose the optimal drug and adequate dose for specific surgical procedures.

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