Acid, base, fluid, electrolyte disorders articles from across Nature Portfolio

Meoli and Günzel elucidate the role of claudins (a family of tight junction proteins) in maintaining electrolyte and water homeostasis. With this Review, the authors aim to stimulate investigations on claudins as prognostic markers or as druggable targets in kidney disease.

Two new clinical trials together involving nearly 30,000 patients support previous observational evidence that the most common solution used for intravenous fluid therapy in the world is associated with kidney damage. Both trials found that 0.9% saline was inferior to solutions with more physiological chloride concentrations and resulted in greater rates of major adverse kidney events.