Secondary hyperparathyroidism in patients on maintenance hemodialysis.
I measured levels of serum immunoreactive C-terminal and N-terminal parathyroid hormone (PTH), total serum calcium and ionized serum calcium in patients treated by hemodialysis. There was a correlation between the C-terminal PTH and N-terminal PTH levels. N-terminal PTH levels were not influenced by the age of the patients, but they increased as the period of hemodialysis became longer. The correlation between the level of N-terminal PTH and secondary hyperparathyroidism was good, but there was no correlation between the level of C-terminal PTH and secondary hyperparathyroidism.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002118:Calcium / Q000097:blood; D005260:Female; D006801:Humans; D006962:Hyperparathyroidism, Secondary / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010281:Parathyroid Hormone / Q000097:blood; D010446:Peptide Fragments / Q000097:blood; D006435:Renal Dialysis / Q000009:adverse effects*
D010281:Parathyroid Hormone; D010446:Peptide Fragments; D002118:Calcium