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Cureus . A Novel Case of Hypoparathyroidism Secondary to SARS-CoV-2 Infection

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  • Cureus . A Novel Case of Hypoparathyroidism Secondary to SARS-CoV-2 Infection


    Cureus


    . 2020 Aug 28;12(8):e10097.
    doi: 10.7759/cureus.10097.
    A Novel Case of Hypoparathyroidism Secondary to SARS-CoV-2 Infection


    Sherif Elkattawy 1 , Ramez Alyacoub 1 , Sarah Ayad 1 , Manthan Pandya 2 , Ari Eckman 3



    Affiliations

    Abstract

    Hypoparathyroidism is usually caused by postsurgical or autoimmune damage to the parathyroid gland. We present the case of a 46-year-old Hispanic male with no significant past medical history who was admitted to the hospital with hypoxic respiratory failure due to coronavirus disease 2019 (COVID-19) infection and had a prolonged hospital course. He was incidentally found to have hyperphosphatemia and low parathyroid hormone (PTH) levels. During the second month of hospitalization, his phosphorus levels rose to 6.9 mg/dL (normal range: 2.4-4.7 mg/dl). His PTH levels were found to be at 8 pg/mL. Vitamin D levels obtained were also low (7 ng/dL), phosphorus was at 5.8 mg/dL with albumin of 2.9 g/dL, and calcium level was normal at 9.2 mg/dl. Parathyroid hormone-related peptide (PTHrP) level was low at 10. Malignancy and genetic causes were ruled out. The patient was started on 50,000 units of ergocalciferol once a week. He was also started on calcium acetate 1,334 mg three times a day for hyperphosphatemia. Phosphorus levels remained elevated, and sevelamer was added on discharge after he was weaned off oxygen and cleared by physical therapy. No explanation for persistent hyperphosphatemia and hypoparathyroidism was found. To date, there have been some reports linking severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to widespread tissue injury; however, there have been no reports so far on the effect of the parathyroid gland. Further studies are necessary to elaborate and to confirm the causative relationship between SARS-CoV-2 and hyperphosphatemia.

    Keywords: hyperphosphatemia; hypoparathyroidism.

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