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Related Experiment Videos

Endocrine changes after burns: the bone involvement.

R Dolecek1, J Tymonová, M Adámková

  • 1Medical School Hospital, Ostrava, Czech Republic.

Acta Chirurgiae Plasticae
|January 22, 2004
PubMed
Summary

Major burns trigger significant endocrine and metabolic changes, leading to decreased bone mineral density and altered hormone levels. Bone resorption markers were elevated, suggesting potential therapeutic targets like vitamin D and calcium.

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Area of Science:

  • Endocrinology
  • Metabolic Response
  • Bone Metabolism

Background:

  • Major burns induce a complex endocrine and metabolic response, including an acute phase reaction.
  • Bone status is significantly affected post-burn, with potential long-term consequences.

Purpose of the Study:

  • To investigate the bone status and endocrine/metabolic alterations in burn survivors.
  • To identify key biomarkers and hormonal changes following burn trauma.

Main Methods:

  • Bone Mineral Density (BMD) was measured using a Hologic 2000 densitometer in 30 burn subjects.
  • Hormonal levels (cortisol, testosterone, estradiol, DHEA-S, T3, FT4, PTH, hGH, IGF-1), calcium, 25-hydroxyvitamin D, bone resorption markers (CTX, NTX), phosphatases (ACP, ALP), osteocalcin, and cytokines (TNF-alpha, IL-2, IL-6, IL-8) were analyzed.

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Main Results:

  • Significant decrease in BMD of lumbar vertebrae and hip observed 6 and 12 months postburn.
  • Elevated cortisol, decreased testosterone and DHT in males; elevated 17beta-estradiol in males; low DHEA-S, T3, and FT4.
  • Low calcium and 25-hydroxyvitamin D; high PTH in some cases.
  • Elevated bone resorption markers (CTX, NTX) and phosphatases (ALP, ACP); initially low osteocalcin.
  • Increased levels of TNF-alpha, IL-2, IL-6, and IL-8.

Conclusions:

  • Major burns cause profound bone loss and significant endocrine and metabolic disturbances.
  • Altered hormonal profiles and elevated bone resorption markers indicate a catabolic state.
  • Potential therapeutic strategies include anabolics, vitamin D, calcium, and possibly calcitonin.