• Akshitkumar M Mistry.
• Department of Neurological Surgery, University of Louisville, 220 Abraham Flexner Way, 15th Floor, Louisville, KY, 40202, USA. axitamm@gmail.com.
• Neurocrit Care. 2024 Oct 8.

AbstractAdministering intravenous fluids is a common therapy for critically ill patients. Isotonic crystalloid solutions, such as saline or balanced solutions, are frequently used for intravenous fluid therapy. The choice between saline or a balanced crystalloid has been a significant question in critical care medicine. Recent large randomized controlled trials (RCTs) have investigated whether balanced crystalloids yield better outcomes in general or specific critical care populations, and many of them have confirmed this hypothesis. Although the broad eligibility criteria of these RCTs suggest applicability to neurocritical care patients, it is important to discuss whether using balanced crystalloids, as opposed to saline, would benefit patients who primarily have neurological disorders or diseases. This review considers the relevance of this question, weighs the pros and cons of the two fluid types, examines available data, and anticipates results from ongoing RCTs to guide clinicians in selecting the optimal fluid for patients with brain injury.© 2024. Springer Science+Business Media, LLC, part of Springer Nature and Neurocritical Care Society.

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