The study objective of this prospective, double-blind randomised controlled study was to evaluate the efficacy of ultrasound guided transversus abdominis plane (TAP) block and bupivacaine infiltration of the skin and subcutaneous tissue of the wound in patients undergoing hysterectomy. Patients were randomly allocated to three groups: a control group (n=18) and TAP block group (n=18) received bilateral TAP blocks with saline and bupivacaine respectively, and an infiltration group (n=19) received skin and subcutaneous wound tissue infiltration with bupivacaine at the end of surgery. After surgery patients received patient-controlled intravenous tramadol and were assessed for pain and tramadol consumption at 1, 2, 4, 6 and 24 hours. Both the TAP and infiltration groups had lower movement and rest pain scores than the control group, with lower scores in the TAP group than the infiltration group at 6 and 24 hours. Total tramadol consumption was significantly lower in the TAP group than in the other groups at all time points. We concluded that ultrasoundguided TAP block reduced rest and movement pain after total abdominal hysterectomy and was more effective than superficial wound infiltration for postoperative pain management.

During the early postoperative period, using nasal cannulae for patients undergoing thyroidectomy increases oxygenation.

Questionnaires may be used to determine the risk of obstructive sleep apnoea syndrome, which could impact the anaesthetisation of surgical patients. Questionnaires for determining the risk of obstructive sleep apnoea syndrome should be used regularly for surgical patients, and these questionnaires should be used to improve clinical protocols for anaesthesia and postanaesthesia care.

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