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Hypodipsia in geriatric patients

P D Miller, R A Krebs, B J Neal

    The American Journal of Medicine
    |September 1, 1982
    PubMed
    Summary
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    Elderly patients can develop hypernatremia due to reduced thirst (hypodipsia) after certain strokes. This condition requires prescribed fluid intake to prevent dehydration and recurrent hospitalizations.

    Area of Science:

    • Geriatrics
    • Neurology
    • Internal Medicine

    Background:

    • Hypernatremia in the elderly is often linked to cognitive or physical limitations affecting water intake.
    • Reduced thirst (hypodipsia) is not typically associated with non-aphasic strokes in alert elderly individuals.

    Purpose of the Study:

    • To investigate hypodipsia as a cause of recurrent hypernatremia in elderly patients following cerebrovascular accidents.
    • To highlight the importance of considering hypodipsia even in seemingly capable elderly patients.

    Main Methods:

    • Case series of six elderly patients with cerebrovascular accidents.
    • Clinical observation of recurrent dehydration and hypernatremia.
    • Assessment of fluid intake management strategies.

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    Main Results:

    • Six elderly patients experienced recurrent hospitalizations for dehydration and hypernatremia.
    • The underlying cause was identified as hypodipsia secondary to cerebrovascular accidents.
    • Prescribed daily fluid intake as a medication order effectively prevented recurrence.

    Conclusions:

    • Hypodipsia should be considered in elderly patients presenting with hypernatremia, particularly after cerebrovascular accidents.
    • Even alert elderly individuals with cerebrovascular accidents may develop hypodipsia.
    • Proactive fluid management, prescribed as medication, is crucial for preventing recurrent hypernatremia in this population.