Current opinion in anaesthesiology
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The purpose of this review is to evaluate new concepts in mechanical ventilation in trauma. We begin with the keystone of physiology prior to embarking on a discussion of several new modes of mechanical ventilation. We will discuss the use of noninvasive ventilation as a mode to prevent intubation and then go on to airway pressure release ventilation, high-frequency oscillatory ventilation, and computer-based, closed loop ventilation. ⋯ The old modes of continuous positive airway pressure and bilevel positive airway pressure have been actively introduced in clinical practice in the case of trauma patients. Used with proper pain management protocols, there has been a decrease in the incidence of intubation in blunt thoracic trauma. Airway pressure release ventilation has been gaining a role in the management of thoracic injury and may lead to less incidence of physiologic trauma to mechanically ventilated patients. High-frequency oscillatory ventilation has been shown to be effective in patient care by its ability to open and recruit the lung in trauma patients and in those with acute respiratory distress syndrome but it may not have a role in patients with inhalational injury. Closed loop ventilation is a technology that may better control major pulmonary parameters and lead to more rapid titration from the ventilator to spontaneous breathing.
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Curr Opin Anaesthesiol · Apr 2010
ReviewHepatic encephalopathy: current management strategies and treatment, including management and monitoring of cerebral edema and intracranial hypertension in fulminant hepatic failure.
Hepatic encephalopathy is a syndrome whose pathophysiology is poorly understood, for which we lack high-quality diagnostic tests and markers, and whose treatment has improved only slightly over the last several decades. Serum ammonia levels remain the diagnostic gold standard. ⋯ Current diagnostic tests are imperfect, and modern therapy is nonspecific. No cost-efficient or more effective alternatives to either are likely to enter into clinical practice in the short-term future.
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Curr Opin Anaesthesiol · Apr 2010
ReviewRespiratory failure and hypoxemia in the cirrhotic patient including hepatopulmonary syndrome.
Liver cirrhosis and portal hypertension present with three unique pulmonary complications that are the subject of ongoing clinical research: hepatopulmonary syndrome, portopulmonary hypertension (POPH), and hepatic hydrothorax. The present article is based on a review of the current literature on how to manage these disorders, which are highly important to both anesthesiologists and intensive care physicians. ⋯ Patients with end-stage liver disease are at risk for respiratory failure and hypoxemia and need to be screened for hepatopulmonary syndrome, POPH, and hepatic hydrothorax. Failure to timely recognize and adequately treat these complications of cirrhosis may have severe consequences.
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Trauma patients requiring massive transfusion represent a population at high risk for potentially preventable death. This review describes recent advances in the early recognition and treatment of the coagulopathy of trauma, as well as ongoing work to define optimal resuscitation strategies. ⋯ As optimal resuscitation strategies continue to evolve, recent efforts have focused on early and aggressive treatment of coagulopathy, with higher ratios of plasma and platelets to red blood cells transfused. Early evidence suggests that such strategies have a beneficial outcome in regards to trauma-related mortality.
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Curr Opin Anaesthesiol · Apr 2010
ReviewFuture opportunities and challenges in academic anesthesia in the United Kingdom: a model for maintaining the scientific edge.
This review outlines the methodology of a major report into academic strategy recently undertaken by the Royal College of Anaesthetists in the United Kingdom. Analyzing the factors that made the report's conclusions robust and workable provides lessons for other countries or healthcare systems faced with similar problems in academic anesthesia. ⋯ The review's main conclusions are: the creation of a central National Institute for Academic Anaesthesia to coordinate and implement academic strategy and funding; engaging with national pathways for the training of future academics; and suggestions for the future role for anesthetic specialist societies in academic strategy. These initiatives can radically transform the research environment in a positive way.