European journal of anaesthesiology
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Observational Study
Peri-operative endothelial dysfunction in patients undergoing minor abdominal surgery: An observational study.
Myocardial injury after noncardiac surgery is common and associated with major adverse cardiac events. Surgery induces acute endothelial dysfunction, which might be central in the pathophysiology of myocardial injury; however, the relationship between surgical stress and endothelial function remains incompletely understood. ⋯ Elective minor abdominal surgery impaired systemic endothelial function early after surgery.
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Observational Study
Noninvasive continuous arterial pressure monitoring with Clearsight during awake carotid endarterectomy: A prospective observational study.
Continuous noninvasive blood pressure (CNBP) measurement using the volume-clamp method is a less invasive alternative compared with invasive intra-arterial monitoring for awake patients during carotid endarterectomy (CEA) under regional anaesthesia. ⋯ During CEA performed under regional anaesthesia, CNBP offers a less invasive approach for BP monitoring. We found acceptable agreement for MAP defined by an ATI of 0.88 and an excellent 95% global interchangeability rate. A suboptimal bias of 7 mmHg was found with CNBP for MAP.
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Myocardial injury after noncardiac surgery (MINS) is a major contributor to peri-operative morbidity and mortality with a reported incidence of about 8%. Tachycardia increases myocardial oxygen demand, and decreases oxygen supply, and is therefore a potential cause of MINS. ⋯ There was no apparent association between various measures of tachycardia and a composite of MINS and death, a result that contradicts previously reported associations between other measures of intra-operative tachycardia and MINS/mortality.