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    Is Extracorporeal Membrane Oxygenation More Effective Than Standard Measures in Critically Ill Adults?
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    体外膜氧合(ECMO)又称体外生命支持(ECLS)技术,能够快速为急性呼吸和(或)循环衰竭患者提供稳定血流动力学支持,成功挽救部分危重症患者生命。但ECMO救治对象病情极为危重,技术本身又具有高创伤性、高消耗性和高专业性等特点。因此,如何能使更多危重症患者从ECMO辅助中获益,充分利用好ECMO技术应是每位ECMO从业人员应面对的机遇和挑战。.
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    Dysglycemia is frequently encountered in critically ill patients in the intensive care units (ICU) and is associated with increased morbidity and mortality. Glycemic control in ICU has three important aspects - hyperglycemia, hypoglyce- mia and glucose variability. All three aspects carry equal importance in the management of critically ill patients and need to be understood. In this review, we will discuss about glucose metabolism in relation to glycemic control in critically ill patients- epidemiology, pathophysiology and management of hyperglycemia, hypoglycemia and glucose variability in critically ill patients.
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    To review current concepts in the diagnosis of adrenocortical disease in the critically ill patient.A review of articles reported on adrenocortical insufficiency in the acutely ill patient.The contribution of adrenal insufficiency to the morbidity of critically ill patients is currently under renewed scrutiny. The debate continues about the role of steroids in sepsis and essentially the question remains unanswered. Central to this debate is the issue of whether adrenal insufficiency is common in the critically ill patient. What is incontrovertible is that adrenocortical function is essential for host survival during critical illness, but what constitutes adrenocortical insufficiency in critically ill patients is not clear. Absolute adrenocortical insufficiency (diagnosed by very low plasma cortisol concentrations) is uncommon in the intensive care population. The diagnosis of relative adrenocortical insufficiency (elevated basal plasma cortisol with a subnormal increase in plasma concentrations following an ACTH stimulus) continues to generate debate. The controversy surrounding the role of steroids in sepsis and the confusion over the criteria for diagnosing adrenal insufficiency in the critically ill are reviewed.We suggest that the following caveats be borne in mind when diagnosing adrenal insufficiency in the critically ill patient. Firstly, the gold standard for the diagnosis has not been established. Secondly, caution must be exercised when interpreting a single plasma cortisol value. In the event of a single result indicating adrenal hypofunction, we suggest repeating the measurements after a 6 to 12 hour interval. The clinician must also be aware of variations in cortisol concentrations induced by the assay. Thirdly, the clinician must be aware of the potential limitations of the conventional high dose corticotrophin test. We also suggest that plasma free cortisol is more relevant than total plasma cortisol in the assessment of adrenal function in critical illness and that the low dose corticotrophin test is more sensitive than the conventional high dose test. These areas should be the subject of further investigations.
    Adrenocortical Insufficiency
    Adrenal function
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