Complications of continuous spinal anesthesia.
The increased use of continuous spinal anesthesia (CSA) in recent years has resulted in research efforts directed at reducing the complications associated with the technique. Complications of CSA are categorized as general, the same as those associated with single-shot spinal anesthesia, and specific, those associated solely with CSA. General complications include infection, backache, hematoma, and neurological sequelae. Specific complications are all related to catheter use. The risk of developing the neurological complication of postdural puncture headache (PDPH) led to the use of microcatheters designed specifically for CSA. While the incidence of PDPH decreased with the use of microcatheters, the risk of developing the more serious complication of cauda equina syndrome increased, resulting in a Safety Alert being issued by the Food and Drug Administration.
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D000775:Anesthesia, Spinal / Q000009:adverse effects* / Q000451:nursing; D002420:Cauda Equina; D006261:Headache / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D015994:Incidence; D009408:Nerve Compression Syndromes / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control; D009719:Nurse Anesthetists