Introduction: Parathyroid allotransplantation is one of the methods used in the treatment of permanent hypoparathyroidism. We present a patient who underwent continuous intravenous (IV) calcium replacement therapy because of permanent hypoparathyroidism after total thyroidectomy.
Case presentation: A 47-year-old woman who underwent a total thyroidectomy with a multinodular goiter developed hypoparathyroidism and hypocalcemia 1 week after discharge. The patient was started on daily oral calcitriol, magnesium effervescent, vitamin D, and IV calcium gluconate and was unable to be discharged because the IV calcium could not be stopped. After 3.5 years, 50×10⁶ parathyroid cells were transplanted by injecting the cells into the left deltoid muscle of the patient. The immunosuppression of the patient, who used 20-mg methylprednisolone for the first month, was completely discontinued.
Results: No complications were observed in the patient after transplantation. The parenteral calcium replacement of the patient was progressively interrupted after transplantation. The patient's serum calcium level was 7.8 mg/dL and the PTH level was 6.9 pg/mL without IV calcium replacement at 12 weeks after transplantation, and the patient was discharged using oral ionized calcium. In the 10-week follow-up after discharge, the need for IV calcium was not observed in the patient.
Conclusion: Parathyroid allotransplantation is a simple, fast, and cost-effective method that should be tried in patients with persistent hypoparathyroidism, especially those who have to take IV calcium replacement, because its cost is much cheaper than standard medical care, its morbidity is much more limited, and it increases the patient's quality of life.
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