Why the study?
Are there differences in plasma potassium, intraerythrocytic potassium, and acid-base changes during haemodialysis between patients with and without frequent arrhythmias?
Population
12 chronic haemodialysis patients, including 6 with frequent arrhythmias and 6 nonarrhythmic controls.
Comparison
Haemodialysis vs Nonarrhythmic dialysis patients (controls)
Design
Case-control
Follow-up
During haemodialysis
Authors
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Lower intraerythrocytic K+ was associated with arrhythmias in HD despite similar plasma K+; hypothesis-generating, prospective confirmation needed.
Are there differences in plasma potassium, intraerythrocytic potassium, and acid-base changes during haemodialysis between patients with and without frequent arrhythmias?
Decreased intraerythrocytic potassium content in haemodialysis patients may be a predisposing factor for cardiac arrhythmias, even when plasma potassium levels are similar to nonarrhythmic patients.
Rombolà et al. (1992) studied this question.
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