Anesthesia, essays and researches
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Two-thirds of patients undergoing coronary artery bypass grafting (CABG) surgery report moderate to severe pain, particularly with ambulatory or respiratory effort. ⋯ Perioperative TEA using fentanyl with bupivacaine provided optimal postoperative analgesia at rest and during coughing in patients following CABG surgery as compared to postoperative analgesia with intravenous fentanyl. It also resulted in optimal postoperative hemodynamic status, good cooperation to chest physiotherapy with less sedation.
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The quest for an ideal sedative during regional anesthesia is on. Although propofol has been accepted as a sedative intraoperatively, it can be associated with troublesome hemodynamic changes. Dexmedetomidine is a new alpha 2 agonist used widely for sedation. ⋯ Dexmedetomidine at equivalent doses of propofol has a similar hemodynamic and respiratory effect, similar surgeon's satisfaction score, higher patient's satisfaction score, and no significant side effects in ASA I/II patients. Thus, dexmedetomidine may prove to be a valuable alternative to propofol for sedation in patients undergoing upper limb surgeries in brachial plexus block.