Minerva anestesiologica
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A significant number of patients that have been critically ill require mechanical ventilation for extended periods of time as they progress towards recovery. Many of these patients can be cared for outside of the Intensive Care Unit in facilities focused on stabilizing the underlying medical problems, managing ventilatory support, and planning for rehabilitation and home care. ⋯ In the present article, a relevant literature review is presented concerning the outcome of patients undergoing prolonged mechanical ventilation. The main focus of the research was to address how to alleviate the burden of prolonged critical illness on mechanically ventilated patients who may eventually die after a great deal of suffering, and to identify the tangible emotional and financial costs to these patients, their families, and society.
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Muscle wasting and paralysis are common complications in Intensive Care Unit (ICU) patients, where critical illness polyneuropathy (CIP) and critical illness myopathy (CIM), alone or in combination (CIP/CIM), are the commonest causes. CIP is an acute axonal sensory-motor polyneuropathy usually suspected in ICU patients who, after a period of days or weeks, cannot be weaned from the ventilator despite the absence of pulmonary or cardiac causes of respiratory failure, or because they suffer from various degrees of limb weakness. CIM is an acute primary myopathy with a continuum of myopathic findings, from myopathies with pure functional impairment and normal histology to myopathies with atrophy and necrosis. ⋯ Recent data indicate that CIM has a better prognosis than CIP, and differential diagnosis is therefore important to predict long term outcome in ICU patients. Bioenergetic failure is thought to be a relevant pathophysiological mechanism explaining both CIP/CIM and multi-organ failure. Indeed, CIP/CIM itself should be considered as the failure of the peripheral nervous-muscular system.
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An early diagnosis of sepsis prior to the onset of clinical decline is of particular interest to health practitioners because this information increases the possibilities for early and specific treatment of this life threatening condition. In comparison to acute myocardial infarction or ischemic stroke, the time to initiate therapy is thought to be crucial and the major determining factor for surviving sepsis. The treatment of severe sepsis and septic shock consists of source control, early antimicrobial therapy, and supportive and adjunctive therapies. ⋯ However, implementing new medical advances in the management of sepsis into daily clinical intensive care remains a major hurdle. High quality management tools are necessary to bring evidence-based therapy to the bedside. With respect to recently published studies, the importance of the time taken to improve the outcome of sepsis can not be overemphasized.
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Minerva anestesiologica · May 2008
Randomized Controlled Trial Comparative StudyEfficacy of propofol compared to midazolam as an intravenous premedication agent.
It is common practice to administer a premedication to patients about to undergo anesthesia. This study compared the effects of a small intravenous bolus of propofol versus midazolam administered as a premedication. ⋯ Propofol may be an economical and safe alternative to midazolam for i.v. premedication.