Anesthesia and analgesia
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Anesthesia and analgesia · Oct 2012
Randomized Controlled TrialLumbar plexus blockade reduces pain after hip arthroscopy: a prospective randomized controlled trial.
Hip arthroscopy causes moderate to severe postoperative pain. We hypothesized that performance of a lumbar plexus block (LPB) would reduce postoperative pain in the postanesthesia care unit (PACU) for patients discharged home on the day of surgery. ⋯ LPB resulted in statistically significant reductions in PACU resting pain after hip arthroscopy, but the absence of improvement in most secondary outcomes suggests that assessment of risks and benefits of LPB should be individualized.
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Anesthesia and analgesia · Oct 2012
Randomized Controlled TrialDetection of dehydration by using volume kinetics.
Patients admitted to surgery may be dehydrated, which is difficult to diagnose except when it is severe (>5% Gl116 of the body weight). We hypothesized that modest dehydration can be detected by kinetic analysis of the blood hemoglobin concentration after a bolus infusion of crystalloid fluid. ⋯ Dehydration amounting to 2% of the body weight could be detected from the elimination clearance and the half-life of an infusion of 5 mL/kg Ringer's solution.