Behavior of Bone Mineral Metabolism in Renal Posttransplantation Patients with Severe Hyperparathyroidism
Abstract
BACKGROUND: Secondary hyperparathyroidism usually improves after renal transplantation. When it becomes persistent, it is associated with deleterious effects on the graft, bone demineralization, fractures, calcifications, and cardiovascular events. In this study we describe the development of cases of severe hyperparathyroidism occurring after renal transplantation.
OBJECTIVE: To describe the behavior of the indicators of bone mineral metabolism in the renal transplantation patient with severe secondary hyperparathyroidism before transplantation, treated with or without parathyroidectomy.
METHODS: This is a case series study conducted between 2004 and 2017 on renal transplantation patients presenting with PTH > 800 pg/mL or who required pretransplantation parathyroidectomy.
RESULTS: We found 36 patients with severe hyperparathyroidism, corresponding to 10.8% of transplantation recipients, with an average age of 54.5 years (±12.35). The median follow-up after transplantation was 128 months (16-159). Fourteen patients underwent parathyroidectomy before transplantation, with a median intact parathyroid hormone at the time of transplantation of 56 (3-382) pg/mL, with more episodes of hypocalcaemia and oral calcium requirement. The other patients were transplanted with a median intact parathyroid hormone of 1010 (range, 802-1919) pg/mL, reaching a median intact parathyroid hormone of 98.8 (43.8-203) at 3 years of follow-up. Only 2 patients underwent parathyroidectomy for tertiary…
How strong is the evidence?
Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health. Reported size: 36 participants or records.
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