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[Transient pseudohypoaldosteronism]

Natasa Stajić, Jovana Putnik, Aleksandra Paripović

    Srpski Arhiv Za Celokupno Lekarstvo
    |May 17, 2011
    PubMed

    Insights

    Infants with urinary tract malformations and infections may develop transient type 1 pseudohypoaldosteronism (THPA1). Early diagnosis via urine and ultrasound is crucial to prevent underdiagnosis and incorrect treatment.

    Area of Science:

    • Pediatric Endocrinology
    • Nephrology
    • Urology

    Context:

    • Urinary tract malformations (UTM) and infections (UTI) in infants are associated with transient type 1 pseudohypoaldosteronism (THPA1).
    • THPA1 presents with electrolyte and acid-base imbalances, mimicking other conditions.

    Purpose:

    • To report on a patient series with THPA1, UTM, and/or UTI.
    • To provide suggestions for diagnosis and therapy of THPA1 in infants.

    Summary:

    • Patients exhibited hyponatremia, hyperkalemia, metabolic acidosis, and elevated creatinine, with characteristic urinary electrolyte findings indicating tubular resistance to aldosterone.
    • Elevated aldosterone and plasma aldosterone-to-potassium ratio, along with low urinary K/Na, confirmed tubular resistance.
    • Medical and/or surgical interventions normalized patient parameters. Imaging revealed various urinary tract obstructions.

    Impact:

    • Highlights the importance of considering THPA1 in infants with UTM/UTI and electrolyte disturbances.
    • Emphasizes the necessity of urine and renal ultrasound for accurate THPA1 diagnosis.
    • Aims to prevent underdiagnosis and inappropriate treatment of THPA1 in male infants.
    Abstract

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