Renal osteodystrophy and metastatic calcification in long-term continuous ambulatory peritoneal dialysis.

The biochemical data and drug histories related to bone disease were extracted from the case records of 47 patients who had been treated by continuous ambulatory peritoneal dialysis (CAPD) for more than two years. These data were reviewed in conjunction with the skeletal surveys done over the same period in all patients, with particular reference to secondary hyperparathyroidism, osteomalacia and non-visceral metastatic calcification. Paired bone biopsies were available in 20 of these patients and the histology was quantitated. In the majority of our patients secondary hyperparathyroidism was controlled or improved on CAPD. Osteomalacia also improved in two of the three patients in whom it was initially present and did not develop in any patient whilst on CAPD. We did, however, note a high incidence of non-visceral metastatic calcification. Small vessel calcification developed in 19.6 per cent of patients, large vessel calcification developed in 23.9 per cent and soft tissue calcification developed in 21.7 per cent of patients. We conclude that CAPD, as a form of treatment for end-stage renal disease, satisfactorily controls the osteodystrophy associated with renal failure in the majority of patients. The significance of the high incidence of non-visceral metastatic calcification remains to be established.
AuthorsM J Cassidy, J P Owen, H A Ellis, J Dewar, C J Robinson, R Wilkinson, M K Ward, D N Kerr
JournalThe Quarterly journal of medicine (Q J Med) Vol. 54 Issue 213 Pg. 29-48 (Jan 1985) ISSN: 0033-5622 [Print] ENGLAND
PMID3975345 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Parathyroid Hormone
  • Phosphates
  • Aluminum
  • Alkaline Phosphatase
  • Magnesium
  • Calcifediol
  • Calcium
  • Adult
  • Alkaline Phosphatase (blood)
  • Aluminum (blood)
  • Calcifediol (blood)
  • Calcinosis (blood, radiography)
  • Calcium (blood)
  • Female
  • Humans
  • Kidney Failure, Chronic (blood, radiography)
  • Magnesium (blood)
  • Male
  • Middle Aged
  • Osteitis Fibrosa Cystica (pathology)
  • Parathyroid Hormone (blood)
  • Peritoneal Dialysis
  • Peritoneal Dialysis, Continuous Ambulatory
  • Phosphates (blood)
  • Renal Osteodystrophy (blood, radiography)

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