الفهرس 
Historical reviewOnly 14 pages are availabe for public view
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Abstract
The technique of continuous spinal (Subarachnoid) anaesthesia (CSA) for administration of intermittent doses of local anaesthetic is well established(1). Despite its long history and its popularity in many countries, still there are controversy about its technical difficulties’and complications .Compared to single dose spinal anaesthesia, it requires insertion of a catheter, which could be a major factor affecting the success of this technique. Spinal catheters offer the ability to titrate slowly the level of analgesia and to extend surgical anaesthesia without a time limit .The low doses of local anaesthetic intermittently injected via the catheter eliminate the possibility of systemic toxic, reactions seen with extradural block and minimizes the risk of cardiovascular instability during induction, which is important, particularly in elderly and high risk patients .