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Related Experiment Videos

[Transient complete somatotropin insufficiency. A retrospective study].

J Weill1, C Stuckens, C Ponte

  • 1Endocrinologie pédiatrique, hôpital Calmette, Lille, France.

Pediatrie
|January 1, 1990
PubMed
Summary

Patients with limited growth hormone (GH) response showed varied pubertal normalization. Sex steroid priming distinguished groups, but long-term human GH therapy benefits were questionable in less severe cases.

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Area of Science:

  • Pediatrics
  • Endocrinology
  • Growth Disorders

Background:

  • Short stature in children can be linked to diminished growth hormone (GH) response.
  • Understanding the nuances of GH response and its implications for treatment is crucial for pediatric endocrinology.
  • Differentiating between degrees of GH deficiency is key for appropriate therapeutic strategies.

Purpose of the Study:

  • To compare two groups of patients with short stature and limited GH response based on pubertal GH normalization.
  • To evaluate the discriminative power of sex steroid hormone priming tests in assessing GH response.
  • To investigate the occurrence of other pituitary hormone deficiencies and the long-term efficacy of human GH (hGH) therapy.

Main Methods:

  • Two patient groups were defined by GH response peaks (≤10 mU/l) to two stimuli.
  • Assessment included initial height deficiency, growth velocity, GH peaks, and response to sex steroid hormone priming.
  • Evaluation of other pituitary hormone deficiencies and comparison of final heights in treated versus untreated patients.

Main Results:

  • Group 1 (12 patients) showed GH normalization at puberty, unlike Group 2 (13 patients).
  • Group 1 presented with less severe initial conditions (height, velocity, GH peaks).
  • Sex steroid priming, particularly with insulin stimulation, was highly discriminative; other pituitary deficiencies were absent in Group 1 but present in Group 2.

Conclusions:

  • Patients with short stature and limited GH response can be categorized by pubertal normalization, with distinct clinical profiles.
  • Sex steroid hormone priming is a valuable tool for differentiating degrees of GH deficiency.
  • The long-term benefit of hGH therapy in less severe cases (Group 1) remains questionable, as final heights did not differ between treated and untreated individuals.

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