Neurocritical care
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Airway management is central to the resuscitation of the neurologically ill. These patients often have evolving processes that threaten the airway and adequate ventilation. Therefore, airway, ventilation, and sedation were chosen as an Emergency Neurological Life Support (ENLS) protocol. Reviewed topics include airway management; the decision to intubate; when and how to intubate with attention to cardiovascular status; mechanical ventilation settings; and the use of sedation, including how to select sedative agents based on the patient's neurological status.
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Acute spinal cord compression (SCC) is the most serious of the diseases of the cord and should be accorded special attention in neurocritical care. Patients with SCC have a combination of motor and sensory dysfunction that has a distribution referable to one, or a few contiguous, spinal levels. Bowel and bladder dysfunction and neck or back pain are usually part of the clinical presentation but are not uniformly present. Because interventions are time-sensitive, the recognition and treatment of SCC was chosen as an ENLS protocol.
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Patients with prolonged or rapidly recurring convulsions lasting more than 5 min are in status epilepticus (SE) and require immediate resuscitation. Although there are relatively few randomized clinical trials, available evidence and experience suggest that early and aggressive treatment of SE improves patient outcomes, for which reason it was chosen as an Emergency Neurologic Life Support protocol. The current approach to the emergency treatment of SE emphasizes rapid initiation of adequate doses of first line therapy, as well as accelerated second line anticonvulsant drugs and induced coma when these fail, coupled with admission to a unit capable of neurologic critical care and electroencephalography monitoring. This protocol not only will focus on the initial treatment of SE but also review subsequent steps in the protocol once the patient is hospitalized.
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Traumatic spine injuries (TSIs) carry significantly high risks of morbidity, mortality, and exorbitant health care costs from associated medical needs following injury. For these reasons, TSI was chosen as an ENLS protocol. ⋯ Though the review focuses primarily on cervical spinal column injuries, thoracolumbar injuries are briefly discussed as well. The initial emergency department clinical evaluation of possible spinal fractures and cord injuries, along with the definitive early management of confirmed injuries, are also covered.
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Intracerebral hemorrhage (ICH) is a subset of stroke resulting from bleeding within the brain parenchyma of the brain. It is potentially lethal, and survival depends on ensuring an adequate airway, reversal of coagulopathy, and proper diagnosis. ICH was chosen as an emergency neurological life support (ENLS) protocol because intervention within the first critical hour may improve outcome, and it is helpful to have a protocol to drive care quickly and efficiently.