The main limitations of spinal anesthesia are its short duration of action and do not provide prolonged postoperative analgesia when it is performed only with local anesthetics. Adding adjuvants drugs to intrathecal local anesthetics improves quality and duration of spinal blockade, and prolongs postoperative analgesia. It is also possible to reduce dose of local anesthetics, as well as total amount of systemic postoperative analgesics.
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Duration of effective analgesia
Timeframe: 24 hours postoperative