European journal of anaesthesiology
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Randomized Controlled Trial Comparative Study
Patient-controlled analgesia with lornoxicam vs. dipyrone for acute postoperative pain relief after septorhinoplasty: a prospective, randomized, double-blind, placebo-controlled study.
We compared the efficacy of intravenous lornoxicam vs. dipyrone in patient-controlled analgesia for postoperative analgesia. ⋯ Lornoxicam has better tolerability and is a more effective analgesic than dipyrone when administered by patient-controlled analgesia for postoperative analgesia after septorhinoplasty.
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Letter Case Reports
Recombinant factor VIIa in massive obstetric haemorrhage.
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During off-pump coronary bypass grafting, surgical manipulation and dislocation of the heart may cause cardiovascular instability. Monitoring of cardiac output facilitates intraoperative haemodynamic management but pulmonary artery catheters are often considered too invasive. Pulse contour analysis and transoesophageal echocardiography could serve as alternatives, but there is controversy about their accuracies. We validated pulse contour analysis using a standard radial arterial catheter (PulseCO) and aortic Doppler flowmetry with transoesophageal echocardiography in patients undergoing off-pump coronary bypass surgery. Pulmonary arterial thermodilution served as the reference technique. ⋯ Calibrated pulse contour analysis using the PulseCO system is an acceptable technique to measure cardiac output non-invasively in off-pump coronary bypass patients. Doppler echocardiography performs less well and is not always feasible with transoesophageal echocardiography when the heart is displaced.
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Although the PROWESS trial demonstrated a mortality benefit, subsequent studies in different patient populations have not reproduced the effect. As a result, concerns have been expressed about the clinical effectiveness of drotrecogin alfa (activated). Therefore the aim of this audit was to review the clinical impact of drotrecogin alfa (activated) when used outside clinical trials. ⋯ Expected mortality derived from both the APACHE II score and organ dysfunctions suggests that drotrecogin alfa (activated) does reduce mortality. Serious adverse incidents occurred in 5.1% patients; however, the direct contributing effect of drotrecogin alfa (activated) cannot be established from this type of audit.
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Levosimendan is a calcium-sensitizing drug that enhances myocardial contractility without increasing intracellular calcium. By activating adenosine triphosphate-dependent potassium channels it exerts cardioprotective and vasodilatory effects. ⋯ In this retrospective matched pair analysis of 52 patients undergoing emergency coronary artery bypass grafting for acute ischaemia, levosimendan reduced morbidity. The reduced morbidity did not translate into reductions in mortality or length of stay. A larger, prospective randomized trial is warranted to confirm the potentially beneficial effects of levosimendan in patients with acute ischaemia.