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Tsang RC Venkataraman PS (1984)
Elevated calcitonin in birth asphyxia and prematurity: Role in the pathogenesis of early neonatal hypocalcemiaPediatr Res, 18
R. Tsang, I. Light, J. Sutherland, L. Kleinman (1973)
Possible pathogenetic factors in neonatal hypocalcemia of prematurity. The role of gestation, hyperphosphatemia, hypomagnesemia, urinary calcium loss, and parathormone responsiveness.The Journal of pediatrics, 82 3
B. Salle, L. David, F. Glorieux, E. Delvin, Jacques Sentere, H. Renaud (1982)
Early Oral Administration of Vitamin D and its Metabolites in Premature Neonates. Effect on Mineral HomeostasisPediatric Research, 16
L. Hillman, S. Rojanasathit, E. Slatopolsky, J. Haddad (1977)
Serial Measurements of Serum Calcium, Magnesium, Parathyroid Hormone, Calcitonin, and 25-Hydroxy-Vitamin D in Premature and Term Infants during the First Week of LifePediatric Research, 11
Tsang RC Chan GM (1978)
The effect of 1,25-dihyroxyvitamin D3 supplementation in premature infantsJ Pediatr, 93
B. Halloran, H. DeLuca (1981)
Appearance of the intestinal cytosolic receptor for 1,25-dihydroxyvitamin D3 during neonatal development in the rat.The Journal of biological chemistry, 256 14
Y. Barak, B. Milbauer, Y. Weisman, S. Edelstein, Z. Spirer (1979)
Response of neonatal hypocalcaemia to 1 alpha-hydroxyvitamin D3.Archives of Disease in Childhood, 54
J. Eisman, A. Hamstra, B. Kream, H. DeLuca (1976)
1,25-Dihydroxyvitamin D in biological fluids: a simplified and sensitive assay.Science, 193 4257
P. Venkataraman, K. Blick, H. Fry, R. Rao (1985)
Postnatal changes in calcium-regulating hormones in very-low-birth-weight infants. Effect of early neonatal hypocalcemia and intravenous calcium infusion on serum parathyroid hormone and calcitonin homeostasis.American journal of diseases of children, 139 9
Steichen JJ Minton SD (1983)
Decreased bone mineral content in SGA compared with AGA infants: Normal serum 25-hydroxyvitamin D and decreasing parathyroid hormone in SGA and AGA infantsPediatrics, 71
Ladenson JH Scott SM (1984)
Effect of calcium therapy in the sick preterm infant with early neonatal hypocalcemiaJ Pediatr, 104
Hughes MR Brumbaugh PF (1975)
Cytoplasmic and unclear binding components for 1,25-dihydroxyvitamin D3 in chick parathyroid glandsProc Natl Acad Sci USA, 72
Wald A (1947)
Sequential Analysis
Fraser D Kooh SW (1976)
Response of protracted neonatal hypocalcemia to 1,25-dihydroxyvitamin D3Lancet, 2
R. Tsang, I. Chen, M. Friedman, I. Chen (1973)
Neonatal parathyroid function: role of gestational age and postnatal age.The Journal of pediatrics, 83 5
Blick KE Venkataraman PS (1985)
Postnatal changes in calcium-regulating hormones in very-low-birth-weight infants: Effect of early neonatal hypocalcemia and intravenous calcium infusion on serum parathyroid hormone and calcitonin homeostasisAJDC, 139
L. David, C. Anast (1974)
Calcium metabolism in newborn infants. The interrelationship of parathyroid function and calcium, magnesium, and phosphorus metabolism in normal, "sick," and hypocalcemic newborns.The Journal of clinical investigation, 54 2
Light JJ Tsang RC (1973)
Possible pathogenetic factors in neonatal hypocalcemia of prematurityJ Pediatr, 82
P. Venkataraman, D. Wilson, R. Sheldon, R. Rao, M. Parker (1985)
Effect of hypocalcemia on cardiac function in very-low-birth-weight preterm neonates: studies of blood ionized calcium, echocardiography, and cardiac effect of intravenous calcium therapy.Pediatrics, 76 4
E. Slatopolsky, C. Weerts, J. Thielan, R. Horst, H. Harter, K. Martin (1984)
Marked suppression of secondary hyperparathyroidism by intravenous administration of 1,25-dihydroxy-cholecalciferol in uremic patients.The Journal of clinical investigation, 74 6
Stephen Minton, J. Steichen, Reginald Tsang (1983)
Decreased bone mineral content in small-for-gestational-age infants compared with appropriate-for-gestational-age infants: normal serum 25-hydroxyvitamin D and decreasing parathyroid hormone.Pediatrics, 71 3
R. Tsang, L. Kleinman, J. Sutherland, I. Light (1972)
Hypocalcemia in infants of diabetic mothers. Studies in calcium, phosphorus, and magnesium metabolism and parathormone responsiveness.The Journal of pediatrics, 80 3
S. Natelson (1971)
Techniques of clinical chemistry
P. Brumbaugh, M. Hughes, M. Haussler (1975)
Cytoplasmic and nuclear binding components for 1alpha25-dihydroxyvitamin D3 in chick parathyroid glands.Proceedings of the National Academy of Sciences of the United States of America, 72 12
R. Behrman, R. Tsang, I. Chen, W. Hayes, W. Atkinson, H. Atherton, N. Edwards (1974)
Neonatal hypocalcemia in infants with birth asphyxia.The Journal of pediatrics, 84 3
J. Ballard, J. Ballard, K. Novak, K. Novak, M. Driver, M. Driver (1979)
A simplified score for assessment of fetal maturation of newly born infants.The Journal of pediatrics, 95 5 Pt 1
I. Chen, H. Park, L. King, G. Bahr, R. Goldsmith (1974)
Radioimmunoassay of parathyroid hormone: peripheral plasma immunoreactive parathyroid hormone response to ethylenediaminetetraacetate.Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 15 9
F. Sunderman, J. Carroll (1965)
MEASUREMENTS OF SERUM CALCIUM AND MAGNESIUM BY ATOMIC ABSORPTION SPECTROMETRY.American journal of clinical pathology, 43
Cochran WG (eds) Snedecor GW (1967)
Statistical Methods
Milbauer B Barak Y (1979)
Response of neonatal hypocalcemia to 1-hydroxyvitamin D3Arch Dis Child, 54
Abstract • Nineteen preterm infants born at or before 32 weeks of gestation were studied to determine the dose of calcitriol that would be effective in the prophylaxis of early neonatal hypocalcemia (serum calcium level, <7.0 mg/dL [<1.75 mmol/L]). In these infants the course of early neonatal hypocalcemia was not modified by calcitriol administration. Serum 1,25-dihydroxyvitamin D level rose in response to intramuscular administration of calcitriol. The incidence of hypocalcemia in these infants was 37% by 12 hours, 83% by 24 hours, and 89% by 36 hours. Thus, in extremely preterm infants, the incidence of early neonatal hypocalcemia is higher and the onset earlier than in larger preterm infants; furthermore, in these infants the hypocalcemia is refractory even to high doses of calcitriol. (AJDC 1986;140:1004-1008) References 1. Tsang RC, Light JJ, Sutherland JM, et al: Possible pathogenetic factors in neonatal hypocalcemia of prematurity . J Pediatr 1973;82:423-429.Crossref 2. David L, Anast CS: Calcium metabolism in newborn infants: The interrelationship of parathyroid function and calcium, magnesium and phosphorus metabolism in normal, 'sick' and hypocalcemic newborns . J Clin Invest 1974;54:287-296.Crossref 3. Hillman LS, Rojanasathit S, Slatopolsky E, et al: Serial measurements of serum calcium, magnesium, parathyroid hormone, calcitonin and 25-hydroxyvitamin D in premature and term infants during the first week of life . Pediatr Res 1977;11:739-744.Crossref 4. Chan GM, Tsang RC, Chen I-W, et al: The effect of 1,25-dihyroxyvitamin D3 supplementation in premature infants . J Pediatr 1978;93:91-96.Crossref 5. Ballard J, Karxmaier K, Driver M: A simplified score for assessment of fetal maturation of newly born infants . J Pediatr 1979;95:579. 6. Tsang RC, Chen I-W, Hayes W, et al: Neonatal hypocalcemia in infants with birth asphyxia . J Pediatr 1974;84:428-433.Crossref 7. Tsang RC, Kleinman L, Sutherland JM, et al: Hypocalcemia in infants of diabetic mothers: Studies in calcium, phosphorus and magnesium metabolism and parathyroid responsiveness . J Pediatr 1972;80:284-305. 8. Wald A: Sequential Analysis . New York, John Wiley & Sons Inc, 1947. 9. Sunderman FW Jr, Carroll JE: Measurements of serum calcium and magnesium by atomic absorption spectrometry . Am J Clin Pathol 1965;43;302-310. 10. Natelson S: Techniques of Clinical Chemistry , ed 3. Springfield, Ill, Charles C Thomas Publishers, 1971, pp 576-579. 11. Chen I-W, Park HM, King LR, et al: Radioimmunoassay of parathyroid hormone: Peripheral plasma immunoreactive parathyroid hormone response to ethylenediaminetetra-acetate . J Nucl Med 1974;15:763-769. 12. Minton SD, Steichen JJ, Tsang RC: Decreased bone mineral content in SGA compared with AGA infants: Normal serum 25-hydroxyvitamin D and decreasing parathyroid hormone in SGA and AGA infants . Pediatrics 1983;71:383-388. 13. Eisman JA, Hamstra AJ, Kream BE, et al: 1,25-dihydroxyvitamin D in biological finds: A simplified and sensitive assay . Science 1976;193:1021.Crossref 14. Snedecor GW, Cochran WG (eds): Statistical Methods , ed 6. Ames, Iowa, Iowa State University Press, 1967, pp 91-116. 15. Scott SM, Ladenson JH, Aguana JJ, et al: Effect of calcium therapy in the sick preterm infant with early neonatal hypocalcemia . J Pediatr 1984;104:747-751.Crossref 16. Tsang RC, Chen I-W, Friedman MA, et al: Neonatal parathyroid function: Role of gestational age and postnatal age . J Pediatr 1973;83:728-738.Crossref 17. Venkataraman PS, Wilson DA, Sheldon RE, et al: Effect of hypocalcemia on cardiac function in very low birth weight preterm neonates: Studies of blood ionized calcium, echocardiography and assessment of cardiac effects of intravenous calcium therapy . Pediatrics 1985;76:543-550. 18. Barak Y, Milbauer B, Weisman Y, et al: Response of neonatal hypocalcemia to 1-hydroxyvitamin D3 . Arch Dis Child 1979;54:642-643.Crossref 19. Kooh SW, Fraser D, Toon R: Response of protracted neonatal hypocalcemia to 1,25-dihydroxyvitamin D3 . Lancet 1976;2:1105-1107.Crossref 20. Salle BL, David L, Glorieux FG, et al: Early oral administration of vitamin D and its metabolites in preterm neonates: Effect on mineral homeostasis . Pediatr Res 1982;16:75-78.Crossref 21. Halloran BP, DeLuca HF: Appearance of the intestinal cytosolic receptor for 1,25-dihydroxyvitamin D3 during neonatal development in the rat . J Biol Chem 1981;256:7338-7342. 22. Venkataraman PS, Blick KE, Fry HD, et al: Postnatal changes in calcium-regulating hormones in very-low-birth-weight infants: Effect of early neonatal hypocalcemia and intravenous calcium infusion on serum parathyroid hormone and calcitonin homeostasis . AJDC 1985;139:913-916. 23. Slatopolsky E, Weerts C, Thielan J, et al: Marked suppression of secondary hyperparathyroidism by intravenous administration of 1,25-dihydroxycholecalciferol in uremic patients . J Clin Invest 1984;74:2136-2143.Crossref 24. Brumbaugh PF, Hughes MR, Haussler MR: Cytoplasmic and unclear binding components for 1,25-dihydroxyvitamin D3 in chick parathyroid glands . Proc Natl Acad Sci USA 1975;72:4871-4875.Crossref 25. Venkataraman PS, Tsang RC, Chen I-W, et al: Elevated calcitonin in birth asphyxia and prematurity: Role in the pathogenesis of early neonatal hypocalcemia , abstracted. Pediatr Res 1984;18:352A.Crossref
American Journal of Diseases of Children – American Medical Association
Published: Oct 1, 1986
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