Sveikata: Kova sudėtingą sutrikimas, kuris paveikia beveik trečdalį hospitalizuotų ligonių

Hyponatraemia is a complicated disorder of water balance, with a relative excess of body water compared to sodium and potassium (defined as a serum sodium concentration <135mmol/l). It has a wide variety of underlying causes, and may result in swelling (known as cellular oedema). Cells of the brain are particularly vulnerable to damage by swelling, making severe cases medical emergencies. Milder cases can be associated with impaired mobility and cognition, as well as osteoporosis and fracture in chronic conditions.

The guideline development group, comprising representatives from the European Society of Intensive Care Medicine (ESICM), the European Society of Endocrinology (ESE) and the European Renal Association – European Dialysis and Transplant Association (ERA–EDTA), conducted a literature review to collate the best available evidence on the diagnosis and management of hypotonic hyponatraemia.

The guidelines describe a pathway for diagnosis, which is less reliant on specialist laboratory resources, and can be conducted in the general hospital setting, in particular during ‘out-of-office hours’.

The treatment pathway described in the document focuses more closely on the patients’ symptoms, giving lower priority to biochemical diagnosis. The guidelines recommend that as the risks to the patient’s brain are so great, in severe cases action is more important than investigation until the patient is stabilised.

Speaking on behalf of the European Society of Intensive Care, Dr Michael Joannidis said: “Recent studies have shown that this is a condition that is associated with significant morbidity and enhanced mortality. These guidelines are essential in helping the diagnosis and treatment of hyponatraemia, which is a frequent condition which you can see in both the emergency room and the intensive care unit.”

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