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KMID : 0614720230660050278
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Journal of Korean Medical Association
2023 Volume.66 No. 5 p.278 ~ p.283
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Basic principle in the management of brain edema and elevated intracranial pressure
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Ko Sang-Bae
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Abstract
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Background: Brain edema is a well-recognized pathophysiological secondary change after primary brain injury. The mechanism of brain edema may differ based on the types of brain edema. However, numerous ion channels are involved in its development and are therefore currently a hot target for anti-edema therapy. Here, this paper reviews the clinically important differences among the types of brain edema and a step-wise management strategy for brain edema and elevated intracranial pressure (ICP).
Current Concepts: Brain edema can be classified as cytotoxic, ionic, vasogenic, and interstitial edema. Although the underlying mechanisms may differ among the various types of brain edema, multiple ion channels and the integrity of tight junctions are associated with the development of brain edema. If brain edema aggravates, the intracranial volume expands and leads to an elevation of ICP. A basic principle in the management of ICP includes proper positioning, screening for a need for extraventricular drainage, proper sedation, transient hyperventilation, assessing the intracranial water status with the serum sodium level, optimization of cerebral perfusion pressure, hyperosmolar therapy, targeted temperature management, and induction of a pharmacological coma with sedatives.
Discussion and Conclusion: Stepwise treatment strategies are recommended in the management of patients with ICP crisis. Based on the principle, detailed management plans need to be adjusted based on the status of an individual patient.
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KEYWORD
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Brain edema, Intracranial pressure, Brain injury, Therapeutics
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