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Original Article

Induced hypocalcaemia controlled by a citrate clamp technique, and the intact parathyroid hormone response obtained

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Pages 891-897 | Received 15 Feb 1990, Accepted 12 Jun 1990, Published online: 08 Jul 2009

References

  • Sherwood L M, Potts J T, Care A D, Mayer G P, Aurbach G D. Evaluation by radioimmunoassay of factors controlling the secretion of parathyroid hormone: intravenous infusions of calcium and EDTA in the cow and goat. Nature 1966; 209(18)52–5
  • Blum J W, Fischer J A, Schwoerer D, Hunziker W, Binswanger U. Acute parathyroid hormone response: sensitivity, relationship to hypocalcaemia and rapidity. Endocrinology 1974; 95: 753–9
  • Mayer G P, Hurst J G. Sigmoidal relationship between parathyroid hormone secretion rate and plasma calcium concentration in calves. Endocrinology 1978; 102: 1036–42
  • Fox J, Heart H., III. The 'Calcium clamp' effect of constant hypocalcaemia on parathyroid hormone secretion. Am J Physiol 1981; 240: E649–55
  • Parfitt A M. Study of parathyroid function in man by EDTA infusion. J Clin Endocrinol Metab 1969; 29: 569–80
  • Herbert L A, Lemann J, Petersen J R, Lemon E J. Studies of the mechanism by which phosphate infusion lowers serum calcium concentration. J Clin Invest 1966; 45: 1886–94
  • Toffaletti J, Nissenson R, Endres D, McGarry E, Mogollon G. Influence of continuous infusion of citrate on responses of immunoreactive PTH, calcium and magnesium components, and other electrolytes in normal adults during platelet apheresis. J Clin Endocrinol Metab 1984; 60: 874–9
  • Nussbaum S R, Zahradnik R J, Lavigne J R, et al. Highly sensitive two-site immunoradiometric assay of parathyrin and its clinical utility in evaluating patients with hypercalcaemia. Clin Chem 1987; 33: 1364–7
  • Defronzo R A, Tobin J D, Andres R. Glucose clamp technique: a method for quantifying insulin secretion and resistance. Am J Physiol 1979; 237: E214–23
  • Wieland P, Due G, Binswanger U, Fischer J A. Parathyroid hormone response in newborn infants during exchange transfusion with blood supplemented with citrate and phosphate: effect of i.v. calcium. Pediatr Res 1979; 13: 963–8
  • Arnaud C D, Tsao H S, Littledike T. Radioimmunoassay of human parathyroid hormone in serum. J Clin Invest 1972; 50: 21–34
  • Papapoulos S E, Manning R M, Hendy G N, Lewin I G, O'Riordan J LH. Studies of circulating parathyroid hormone in man using a homologous amino-terminal specific immunoradiometric assay. Clin Endocrinol 1980; 13: 57–67
  • von Lilliefeld-Toal H, Lambert P W, Arnaud C D. Endogenous parathyroid hormone: metabolism in hyperparathyroid man. Endocrinology of Calcium Metabolism, D H Coop, R V Talmadge. Excerpta Medica, Amsterdam 1978; 395
  • Segre G V, Niall H D, Habener J F, Potts J T. Metabolism of parathyroid hormone: physiologic and clinical significance. Am J Med 1974; 56: 774–84
  • Hahneman S. Heparin and osteoporosis. Lancet 1965; ii: 895–6
  • Ladenson J H, Bowers G N. Free calcium in serum. (I). Determination with the ion-selective electrode and factors affecting the results. Clin Chem 1973; 19: 565–75
  • Pedersen K O. Determination of calcium in ultra-filtrates of normal serum and examination of pertinent variables. Scand J Clin Lab Invest 1970; 25: 223–30
  • Bruun E. Ioniseret calcium og hyperparathyroidisme. Thesis, FADL's Forlag, Copenhagen 1980
  • Radde I C, Hoffken B, Parkinson D K, Sheepers J, Luckham A. Practical aspects of a measurement for calcium ion activity in plasma. Clin Chem 1971; 17: 1002–6
  • Schaer H. Effects on ionized calcium of a concentration of acidosis with alkalinizing agents. Br J Anaesth 1976; 48: 327–32

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