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Article
August 18, 1978

Exercise Tolerance TestSingle-Sample Screening Technique to Rule Out Growth-Hormone Deficiency

Author Affiliations

From the Departments of Pediatrics (Dr Johnsonbaugh) and Medicine (Drs Bybee and Georges), National Naval Medical Center, and Uniformed Services University of the Health Sciences, Bethesda, Md.

JAMA. 1978;240(7):664-666. doi:10.1001/jama.1978.03290070066020
Abstract

Parent-directed vigorous exercise was evaluated as a screening test for adequacy of pituitary growth-hormone release in 57 short-statured children. This method obviated the need for pharmacologic provocative testing in all but the four children with growth-hormone deficiency. In 92% of the euendocrine children, the immediate postexercise venous sample demonstrated an adequate growth-hormone level. Vigorous physical exercise after an 8- to 12-hour fast with a single postexercise serum growth-hormone sample is a reliable, safe, and cost-effective screening test for growth-hormone deficiency.

(JAMA 240:664-666, 1978)

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