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Ladakhi koilonychia.

M P Sawhney1

  • 1Dept. of Dermatology & STD, Command Hospital, Pune-411 040.

Indian Journal of Dermatology, Venereology and Leprology
|July 24, 2007
PubMed
Summary
This summary is machine-generated.

Koilonychia, a nail condition, affects nearly half of high-altitude Ladakh residents. Chronic hypoxia and manual labor likely cause this, suggesting a need for dietary iron supplementation in the region.

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Area of Science:

  • Dermatology
  • Altitude Medicine
  • Public Health

Background:

  • High-altitude environments present unique physiological challenges.
  • Nail changes can be indicators of underlying health conditions.

Purpose of the Study:

  • To investigate the prevalence and characteristics of nail changes, specifically koilonychia, in high-altitude Ladakhi residents.
  • To explore potential contributing factors to koilonychia in this population.

Main Methods:

  • A cross-sectional study involving 176 highlander Ladakhis residing at 3445 meters.
  • Clinical examination of nail changes, with a focus on koilonychia.
  • Analysis of demographic data, occupation, and mean hemoglobin levels.

Main Results:

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  • Koilonychia was observed in 47.16% of subjects, most prevalent in the fourth and fifth decades.
  • Soldiers and agricultural laborers showed higher prevalence.
  • No significant difference in mean hemoglobin levels was found between affected and unaffected individuals.

Conclusions:

  • Chronic hypoxia at high altitudes, coupled with mechanical stress from labor, is the probable cause of koilonychia in Ladakh.
  • Dietary iron supplementation is recommended as a public health intervention to address increased erythropoiesis demands.