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Prolonged hypercalcemia following acute renal failure.

P J Miach, J K Dawborn, M C Douglas

    Clinical Nephrology
    |July 1, 1975
    PubMed
    Summary

    Severe hypercalcemia occurred in a young man after trauma-induced kidney injury. This prolonged condition was likely due to calcium resorption from soft tissue and bone deposits, not parathyroid issues.

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    Area of Science:

    • Nephrology
    • Endocrinology
    • Trauma Surgery

    Background:

    • Acute kidney injury (AKI) can arise from severe trauma.
    • Diuretic phase of AKI presents unique metabolic challenges.
    • Hypercalcemia is a rare but serious complication in critical illness.

    Observation:

    • A 21-year-old male developed severe hypercalcemia during the diuretic phase of AKI post-trauma.
    • Hypercalcemia persisted for five months.
    • Parathyroid hormone levels were undetectable; parathyroidectomy was ineffective.

    Findings:

    • The patient's hypercalcemia was attributed to calcium resorption from soft tissue and bone metastases.
    • Immobilization and impaired bone mineralization contributed to prolonged hypercalcemia.

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  • Standard parathyroid-related hypercalcemia diagnostics were not applicable.

    • Implications:

    • This case highlights non-parathyroid causes of hypercalcemia in trauma patients.
    • Understanding calcium dynamics during immobilization is crucial for managing critical illness.
    • Metabolic monitoring in AKI survivors requires attention to prolonged electrolyte disturbances.