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Bone disease in anorexia nervosa.

Anastasia D Dede1, George P Lyritis2, Symeon Tournis3

  • 1Department of Endocrinology and Metabolism, Hippokrateion General Hospital, Athens, Greece.

Hormones (Athens, Greece)
|April 12, 2014
PubMed
Summary
This summary is machine-generated.

Anorexia nervosa, a psychiatric disorder, causes malnutrition leading to hormonal changes and significant bone density loss. These skeletal deficits can persist post-recovery, impacting long-term bone health.

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Area of Science:

  • Endocrinology
  • Psychiatry
  • Bone Metabolism

Background:

  • Anorexia nervosa is a severe psychiatric disorder with high mortality rates.
  • It is characterized by self-starvation, leading to significant malnutrition and unique hormonal alterations.
  • Common hormonal changes include gonadal axis disruption, growth hormone resistance, hypercortisolemia, and low triiodothyronine levels, representing adaptive responses to starvation.

Purpose of the Study:

  • To investigate the impact of anorexia nervosa on bone metabolism.
  • To understand the complex pathogenetic mechanisms underlying bone disease in anorexia nervosa.
  • To highlight the challenges in treating skeletal deficits associated with this disorder.

Main Methods:

  • The study reviews existing literature on anorexia nervosa and its effects on hormonal profiles and bone metabolism.
  • Analysis of hormonal alterations (gonadal axis, GH, IGF-I, cortisol, T3) in patients with anorexia nervosa.
  • Assessment of bone metabolism markers, including bone mineral density, bone accrual, and fracture risk.

Main Results:

  • Anorexia nervosa universally presents with hormonal alterations, including low insulin-like growth factor I and low triiodothyronine.
  • Bone metabolism is significantly affected, leading to low bone mineral density and increased fracture risk.
  • Skeletal deficits frequently persist even after clinical recovery from anorexia nervosa.

Conclusions:

  • Anorexia nervosa causes profound and often lasting skeletal deficits through complex pathogenetic mechanisms.
  • The hormonal profile in anorexia nervosa reflects an adaptive response to malnutrition but severely impacts bone health.
  • Addressing bone disease in anorexia nervosa presents a significant clinical challenge requiring further research and therapeutic strategies.