Anesthesia, essays and researches
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Optimization and providing excellent quality of postoperative analgesia after total abdominal hysterectomy is a determinant factor of better clinical outcome, increases patient satisfaction, and allows early mobilization of the patient. ⋯ The quality of analgesia along with lesser rescue analgesic requirement and their side effects makes the TAPB, a good and safer option for lower abdominal gynecological surgeries. Both WSI and USG TAPB are effective in providing postoperative analgesia as a part of multimodal analgesia in lower abdominal surgeries. However, in our study the quality of analgesia along with lesser rescue analgesic requirement and their side effects makes the TAPB, a good and safer option for lower abdominal gynecological surgeries.
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Preoxygenation and apneic ventilation prolong apnea time without desaturation. ⋯ Tidal volume breathing with CPAP resulted in significantly higher arterial oxygen levels than THRIVE, though both modalities were equally effective in prolonging apnea time without desaturation up to 12 min. Group C showed an added advantage of lower PaCO2 with less acidemia.
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Awake fiberoptic intubation (AFOI) is the gold standard for the management of predicted difficult airway, and inappropriate sedation is a major cause leading to its failure. ⋯ Though dexmedetomidine1 μg/kg and fentanyl 2 μg/kg premedication results in comparable hemodynamics and ease of intubation, in view of enhanced patient comfort, dexmedetomidine premedication is advantageous in patients with anticipated difficult airway undergoing AFOI.
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Magnesium sulfate and dexmedetomidine were used as adjuvants to local anesthesia to improve the quality of regional anesthesia. ⋯ Magnesium sulfate or dexmedetomidine is a useful adjuvant to ropivacaine for infraclavicular BPB in lengthening the duration of analgesia. Dexmedetomidine provided quicker onset and longer duration of both SB and MB and longer duration of analgesia with lesser consumption of postoperative rescue analgesia; however, it showed a higher incidence of intraoperative hypotension and bradycardia than magnesium sulfate.
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The supraclavicular approach is considered to be the easiest and most effective approach to block the brachial plexus for upper limb surgeries. The classical approach using the anatomical landmark technique was associated with higher failure rates and complications. Ultrasonography (USG) guidance and peripheral nerve stimulator (PNS) have improved the success rates and safety margin. ⋯ The ultrasound-guided supraclavicular brachial plexus block can be done quicker, with a faster onset of sensory and motor block compared to nerve stimulator technique.