British journal of anaesthesia
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Myocardial injury after non-cardiac surgery (MINS) is a common complication with associated serious morbidity and mortality. Endothelial dysfunction might play an important role in MINS, and its rapid assessment could provide a novel method of risk stratification before surgery. ⋯ For patients undergoing non-cardiac surgery, non-invasive assessment of endothelial function might enhance preoperative risk stratification for perioperative myocardial injury. However, unexplained large inter-site variation in prognostic utility could limit widespread application and needs to be further understood.
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Chronic widespread pain (CWP), including fibromyalgia, is a highly prevalent condition with a range of disabling symptoms, both physical and psychological. The British Pain Society (BPS) is supporting the treatment of this group of patients through a care pathway and this article describes the rationale and discussion points relevant to the CWP and fibromyalgia pathway. There are several aims in producing this pathway: to reduce variation in the standards of care, to reduce delays at all stages of care, and in particular, to enable clinicians to help patients accept a diagnosis of CWP. ⋯ There is an emphasis on addressing all aspects of symptomatology (physical, psychological, social, and personal needs) without an overemphasis on any one treatment modality. The pathway has focused on the potential pitfalls in the use of long-term opioids and the rationale is provided why these are not recommended. Patients with CWP value explanation and education and although clinicians may be unfamiliar with the condition, the majority of clinicians have generic skills in managing long-term conditions which can be supplemented by the interventions and actions detailed in this pathway.
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We determined the minimal alveolar concentration (MAC) of sevoflurane inducing an isoelectric EEG in 50% of adult subjects (MACie). ⋯ MACie for sevoflurane was ∼2.1 times MAC for immobilization in phenobarbital premedicated middle-aged adults. Sevoflurane-induced isoelectric EEG state is associated with significant cardiovascular depression but reduced haemodynamic responses to skin incision.