Evaluation of parathyroid autograft growth and function in hemodialysis patients

Journal Article · Tue Jul 01 00:00:00 EDT 1986 · Am. J. Kidney Dis.; (United States)

DOI:https://doi.org/10.1016/S0272-6386(86)80153-6· OSTI ID:5016813

Karsenty, G; Petraglia, A; Bourdeau, A; Gambini, D J; Moreau, J F; Lecharpentier, Y; Zingraff, J; Bournerias, F; Buisson, C; Dubost, C

The aim of our study was to evaluate the function and growth of parathyroid tissue autografted into the forearm of hemodialysis patients using several presently available methods. In a dynamic study, the secretory function of autografted tissue was evaluated in seven patients using either zero calcium dialysate or calcium infusion. In an additional prospective study, seven patients had repeated determinations of plasma immunoreactive parathyroid hormone (iPTH) concentration on samples from both forearms, a radionuclide evaluation of autograft function using thallium-201 chloride, and real time ultrasonography. Light microscopy analysis was performed in two patients. The dynamic study demonstrated that induction of hypocalcemia was followed by an increase, and induction of hypercalcemia by a decrease in circulating iPTH in both forearms using three different radioimmunoassays similar to what has been reported for normal parathyroid tissue. A significant gradient (ie, greater than 2.0) of plasma iPTH concentration in samples from both forearms was observed in only three out of the seven patients of the prospective study. Two of these patients disclosed an increased uptake of /sup 201/TI chloride at the site of autografted tissue and had an echographically detectable mass. In both, hyperplastic parathyroid tissue was removed. At present, the remaining third patient does not have other features of recurrent hyperparathyroidism. In conclusion, autotransplanted parathyroid tissue of hemodialysis patients shows an adequate response to physiologic stimuli such as hypo- and hypercalcemia. Dynamic tests, therefore, appear to be a useful tool in the assessment of its function. In addition, radionuclide and echographic studies may be reliable adjuncts in the detection of marked parathyroid autograft hyperplasia.

• OSTI ID: 5016813
• Journal Information: Am. J. Kidney Dis.; (United States), Vol. 1
• Country of Publication: United States
• Language: English

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