[Diagnostic value of the propranolol-exercise provocative test for growth hormone deficiency in children].
Zhongguo Dang Dai Er Ke Za Zhi
; 17(2): 180-4, 2015 Feb.
Article
em Zh
| MEDLINE
| ID: mdl-25760846
ABSTRACT
OBJECTIVE:
To assess the diagnostic value of the propranolol-exercise provocative test for growth hormone deficiency (GHD) in children.METHODS:
This study included 120 children who received both the insulin provocative test and the propranolol-exercise provocative test due to short stature between January 2009 and March 2013. Growth hormone (GH) levels in venous blood were measured before and after the provocative test. Peak GH <10 ng/mL was defined as negative stimulation, while peak GH ≥10 ng/mL was defined as positive stimulation. The children whose peak GH levels were <10 ng/ mL after both tests were diagnosed with GHD.RESULTS:
Twenty-nine (24.2%) of the 120 children with short stature were diagnosed with GHD. The positive rate in the insulin provocative test was 48.3%, versus 65.8% in the propranolol-exercise provocative test. The overall coincidence rate and positive coincidence rate of the two tests were 62.5% and 79.3%, respectively. The peak GH after the propranolol-exercise provocative test was significantly higher than that after the insulin provocative test (P<0.01). Peak GH occurred mostly at 30-60 minutes after the insulin provocative test, while that occurred mostly at 120 minutes after the propranolol-exercise provocative test. No adverse effects were observed in the propranolol-exercise provocative test.CONCLUSIONS:
Coincidence rates in stimulating the secretion of GH are high between the propranolol-exercise provocative test and the insulin provocative test. Compared with the insulin provocative test, the propranolol-exercise provocative test is more likely to stimulate the secretion of GH. GHD can be clinically diagnosed by the insulin provocative test combined with the propranolol-exercise provocative test.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Propranolol
/
Hormônio do Crescimento Humano
Tipo de estudo:
Diagnostic_studies
Limite:
Adolescent
/
Child
/
Child, preschool
/
Female
/
Humans
/
Male
Idioma:
Zh
Revista:
Zhongguo Dang Dai Er Ke Za Zhi
Ano de publicação:
2015
Tipo de documento:
Article
País de afiliação:
China