British journal of anaesthesia
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Review Meta Analysis
Efficacy of adding clonidine to intrathecal morphine in acute postoperative pain: meta-analysis.
Intrathecal clonidine slightly improves the analgesic effects of intrathecal morphine, though increases hypotension (harm ratio 1.8).
pearl -
Increased left ventricular mass (LVM) is a well-recognized predictor of cardiovascular morbidity and mortality in epidemiological studies, but its impact on mortality after cardiac surgery is poorly defined. We hypothesized that patients with increased LVM index (LVMI) were more likely to have greater 30 day and 1 yr mortality. ⋯ Increased LVMI, but not LV systolic function as measured by the fractional area of contraction (FAC) was identified as a strong independent predictor of perioperative mortality after adult cardiac surgery. The relationship between LVMI and risk of 30 day mortality was nearly linear. Furthermore, decreased FAC, and not LVMI, was a strong independent predictor of 1 yr mortality.
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Randomized Controlled Trial
Myocardial protection by glucose-insulin-potassium in acute coronary syndrome patients undergoing urgent multivessel off-pump coronary artery bypass surgery.
The aim of this randomized and controlled trial was to investigate the effect of a glucose-insulin-potassium (GIK) solution on myocardial protection in acute coronary syndrome (ACS) patients undergoing urgent multivessel off-pump coronary artery bypass (OPCAB) surgery. ⋯ GIK administration in ACS patients undergoing urgent multivessel OPCAB significantly attenuated the degree of ensuing myocardial injury without complications related to glycaemic control. Clinical Trial Registry. URL: http://clinicaltrials.gov/ct2/show/NCT01384656?term=GIK+AND+OPCAB&rank=1. Unique identification number NCT01384656.