European journal of anaesthesiology
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: Many factors determine whether nurses, physicians or both administer anaesthesia in any country. We examined the status of nurse-administered anaesthesia in the Group of Seven (G7) countries (Canada, France, Germany, Italy, Japan, the United Kingdom and the United States of America) and explored how historical factors, mixing global and local contexts (such as professional relations, medical and nursing education, social status of nurses, demographics and World Wars in the 20th century), help explain observed differences. Nearly equal numbers of physicians and nurses are currently engaged in the delivery of anaesthesia care in the United States but, remarkably, although the introduction or re-introduction of nurse anaesthesia in the 20th century was attempted in all the other G7 countries (except Japan), it has been successful only in France because of the cooperation with the United States during World War II.
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Prasugrel is a thienopyridine that inhibits platelet aggregation more rapidly and effectively than clopidogrel, with an increased bleeding risk. ⋯ The three studied haemostatic drugs rFVIIa, tranexamic acid and DDAVP failed to reduce prasugrel-related bleeding in this model. rFVIIa-treated rabbits were more prone to arterial thrombotic events.
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Randomized Controlled Trial Comparative Study
Ultrasound with neurostimulation compared with ultrasound guidance alone for lumbar plexus block: A randomised single blinded equivalence trial.
Ultrasound-guided lumbar plexus blocks usually require confirmatory neurostimulation. A simpler alternative is to inject local anaesthetic inside the posteromedial quadrant of the psoas muscle under ultrasound guidance. ⋯ Although the ultrasonography-neurostimulation technique results in a shorter total anaesthesia time compared with ultrasound guidance alone, this difference falls within our accepted equivalence margin (±7.4 min).
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Randomized Controlled Trial
Does the β-receptor antagonist esmolol have analgesic effects? A randomised placebo-controlled cross-over study on healthy volunteers undergoing the cold pressor test.
Esmolol may attenuate the sympathetic response to pain and reduce postoperative opioid consumption. It is not clear whether esmolol has an analgesic effect per se. ⋯ No direct analgesic effect of esmolol could be demonstrated in the present study. The postoperative opioid-sparing effect demonstrated in previous studies, could therefore be secondary to other factors such as avoidance of opioid-induced hyperalgesia, synergy with coadministered opioids or altered pharmacokinetics of those drugs.