Neurocritical care
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Despite the need for specific weaning strategies in neurological patients, evidence is generally insufficient or lacking. We aimed to describe the evolution over time of weaning and extubation practices in patients with acute brain injury compared with patients who are mechanically ventilated (MV) due to other reasons. ⋯ Patients with acute brain injury, compared with patients without brain injury, present higher odds of undergoing unplanned extubated after weaning was started, lower odds of being extubated after the first attempt, and a higher risk of reintubation.
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Letter Meta Analysis
Intravenous Nimodipine Versus Enteral Nimodipine: The Meta-analysis Paradox.
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This article reviews the development of the American Board of Medical Specialties subspecialty in neurocritical care (NCC) and describes the requirements for certification and the results of the first certification examination administered in October 2021. The American Board of Psychiatry and Neurology (ABPN) is the administrative board, and the sponsoring boards are the American Board of Anesthesiology (ABA), American Board of Emergency Medicine (ABEM), American Board of Internal Medicine (ABIM), and American Board of Neurological Surgery. The American Board of Medical Specialties approved the subspecialty in 2018, and the Accreditation Council for Graduate Medical Education developed and approved the training requirements in 2021. ⋯ An established process was also followed to set the criterion-referenced passing standard, and the resulting pass rate of 72.7% was judged to be reasonable. In summary, the combined efforts of representatives from the ABPN, ABA, ABEM, ABIM, and American Board of Neurological Surgery yielded a quality assessment instrument to identify physicians who possess the expertise required to be certified in NCC. The test development committee will continue to expand and improve the pool of test questions for the next examination, which is scheduled for October 2022.
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Spontaneous intracerebral hemorrhage (ICH) is the second most prevalent subtype of stroke and has high mortality and morbidity. The utility of radiographic features to predict secondary brain injury related to hematoma expansion (HE) or increased intracranial pressure has been highlighted in patients with ICH, including the computed tomographic angiography (CTA) spot sign and intraventricular hemorrhage (IVH). Understanding the pathophysiology of spot sign and IVH may help identify optimal therapeutic strategies. We examined factors related to the spot sign and IVH, including coagulation status, hematoma size, and location, and evaluated their prognostic value in patients with ICH. ⋯ The spot sign and IVH are associated with specific hematoma characteristics, such as size and location, but are related differently to coagulation status and clinical course. A combined analysis of the spot sign and IVH can improve the understanding of pathophysiology and risk stratification after ICH.
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Aneurysmal subarachnoid hemorrhage (aSAH) is an important indication for intensive care unit admission and may lead to significant morbidity and mortality. We assessed the ability of C-terminal proarginine vasopressin (CT-proAVP) to predict disease outcome, mortality, and delayed cerebral ischemia (DCI) in critically ill patients with aSAH compared with the World Federation of Neurological Surgeons (WFNS) score and Acute Physiological and Chronic Health Evaluation IV (APACHE IV) model. ⋯ C-terminal proarginine vasopressin was able to predict poor functional outcome and mortality in critically ill patients with aSAH. Its prognostic ability to predict DCI was low.