論文

査読有り 国際誌
2011年

Evaluation of parathyroid gland function using sodium bicarbonate infusion test for 22q11.2 deletion syndrome.

Hormone research in paediatrics
  • Nagasaki K
  • ,
  • Iwasaki Y
  • ,
  • Ogawa Y
  • ,
  • Kikuchi T
  • ,
  • Uchiyama M

75
1
開始ページ
14
終了ページ
8
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1159/000315904

BACKGROUND/AIMS: 22q11.2 Deletion syndrome is a congenital malformation syndrome with hypoparathyroidism. The spectrum of parathyroid gland dysfunction ranges from severe neonatal hypocalcemia to subclinical hypoparathyroidism. The parathyroid hormone (PTH) secretory reserve is reduced in a significant number of 22q11.2 deletion syndrome patients with normocalcemia. The aim of this study was to investigate hypoparathyroid function using the bicarbonate infusion test for 22q11.2 deletion syndrome with normocalcemia. METHODS: sodium bicarbonate solution [7% (w/v); 40 ml/m(2) body surface area] was infused for 2 min, and blood samples for the determination of plasma ionized calcium and plasma intact PTH were serially obtained. The test was conducted on five 22q11.2 deletion syndrome patients with normocalcemia. RESULTS: two patients presented increments of intact PTH levels (peak value - basal value) of 70 pg/ml or higher during the test, whereas the remaining 3 showed PTH level increments of <30 pg/ml. The former 2 patients were diagnosed as having normal parathyroid gland function, and the latter 3 patients as having subclinical hypoparathyroidism. CONCLUSION: the bicarbonate infusion test may be a valuable method for the evaluation of residual parathyroid gland function in patients with 22q11.2 deletion syndrome. Screening of subclinical hypoparathyroidism should be considered in the regular follow-up of patients with 22q11.2 deletion syndrome, even in cases with normocalcemia.

リンク情報
DOI
https://doi.org/10.1159/000315904
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/20664180
URL
http://europepmc.org/abstract/med/20664180
ID情報
  • DOI : 10.1159/000315904
  • ORCIDのPut Code : 45756958
  • PubMed ID : 20664180

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