Patterns of chronic and transient hyperkalaemia and clinically important outcomes in patients with chronic kidney disease

BACKGROUND: Whether hyperkalaemia in CKD is chronic or transient, and whether this has different outcome implications, is not known. METHODS: This was an observational study of adults with CKD G3-5 from Stockholm, Sweden 2006-11. We examined individual trajectories of potassium from all measurements obtained through routine outpatient care. For each month of follow-up, we created a rolling assessment of the proportion of time in which potassium …