Hyperkalemia is a life threatening emergency and warrants immediate treatment because of its deleterious cardiac consequences. Initial measures in mild cases include restriction and binding of dietary potassium, correction of metabolic acidosis and increasing urinary excretion by furosemide. In moderate and severe hyperkalemia infusion of glucose with insulin has been regarded as the standard medical treatment so far. However, recently also the beta 2 stimulatory drug salbutamol has been shown to be an effective agent to treat hyperkalemia by inducing a shift of potassium into the intracellular compartment. We treated 15 pediatric patients of different age groups (mean age 5.16, range 0.1-16 years) suffering from acute hyperkalemia (mean level 6.6, range 5.9-7.7 mmol/l) by means of a single infusion of salbutamol (5 micrograms/kg over 15 minutes). Serum potassium concentrations decreased significantly to 5.74 +/- 0.53 after 30 minutes and furthermore to 5.19 +/- 0.48 and to 4.92 +/- 0.53 mmol/l after 60 and 120 minutes, respectively (p < 0.001 at all stages compared to pre-treatment). Since no side effects occurred besides a slight increase of heart rate in 3 patients, we conclude that short-term intravenous salbutamol infusion is an effective, rapid, safe and predictable way to treat children of any age suffering from acute hyperkalemia and therefore has become the first line treatment in our center.
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