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Related Experiment Videos

[Hypernatremia in the aged: clinical characteristics].

R Gonthier1, F Hacini, O Beauchet

  • 1Service de Gérontologie clinique, CHU de Saint-Etienne. Regis.Gonthier@univ-st-etienne.fr

Presse Medicale (Paris, France : 1983)
|October 19, 2000
PubMed
Summary

Hypernatremia in the elderly is linked to poor outcomes, with over 60% mortality within three months. Early identification of dehydration is crucial for prevention in this vulnerable population.

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Area of Science:

  • Geriatric Medicine
  • Internal Medicine
  • Nephrology

Background:

  • Hypernatremia is rare in young adults but presents differently in the elderly.
  • Geriatric patients with hypernatremia often have complex underlying conditions.

Purpose of the Study:

  • To investigate the clinical characteristics and prognosis of hypernatremia in patients over 70.
  • To identify risk factors and contributing causes of hypernatremia in the elderly.

Main Methods:

  • Prospective uncontrolled study of 77 patients aged over 70 with serum sodium levels ≥ 150 mmol/l.
  • Data collected on patient demographics, comorbidities, hypernatremia causes, and outcomes.

Main Results:

  • Mean age was 84.1 years, with a mean peak serum sodium of 157.3 mmol/l.

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  • Common causes included febrile illness (48%) and diuretic use (470%), with high prevalence of dementia (84%) and functional disability (62%).
  • Mortality was high, with 62% of patients dying within three months.

    • Conclusions:

    • Fluid supply disorders, hypodipsia, disability, and dementia contribute to hypernatremia in the elderly.
    • Hypodipsia is a significant indicator of poor prognosis.
    • Early detection of dehydration and proactive prevention are essential for at-risk elderly individuals.