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Year : 2019  |  Volume : 22  |  Issue : 3  |  Page : 320-327

The evaluation of preoperative and postoperative fetuin-A levels in patients with primary hyperparathyroidism

1 Department of Endocrinology and Metabolism, Kecioren Training and Research Hospital, Ankara, Turkey
2 Department of Endocrinology and Metabolism, Ankara Training and Research Hospital, Ankara, Turkey
3 Department of Internal Medicine, Kecioren Training and Research Hospital, Ankara, Turkey
4 Department of Internal Medicine, Ankara Training and Research Hospital, Ankara, Turkey

Correspondence Address:
Dr. M Keskin
Department of Endocrinology and Metabolism, Kecioren Training and Research Hospital, Ankara
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njcp.njcp_323_18

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Objectives: Our objective was to evaluate preoperative and postoperative serum fetuin-A levels in female patients with primary hyperparathyroidism (PHPT) and search for the relationship with parathyroid hormone (PTH) and vitamin D (25OHD). Although a role for fetuin-A is suggested in regulating bone mineralization, its function has not been completely defined. Materials and Methods: In this cross-sectional study, 43 female patients with PHPT and 30 healthy women were recruited as the control group. We evaluated 73 women because we had only women patients with PHPT. Of the 43 patients, 10 symptomatic and 23 asymptomatic patients were surgically treated, whereas 10 patients were not operated. In all 43 patients, 25OHD, PTH, fetuin-A levels, and bone mineral densitometry were evaluated. The biochemical parameters of 33 operated patients were reevaluated at the postoperative sixth week. Results: Fetuin-A levels of the patients with PHPT were significantly higher than that in the controls (56.6 ± 13.8 vs. 42.6 ± 20.7 ng/mL; P = 0.010). Fetuin-A levels of the operated patients were higher than nonoperated group. Furthermore, serum fetuin-A levels of the nonoperated patients were not different from those of controls. After parathyroidectomy, fetuin-A (41.5 ± 25.2 vs. 56.4 ± 13.7 ng/mL; P = 0.003), PTH [80.0 (51.5–137.5) vs. 211.0 (151.5–278.5) pg/mL; P < 0.001], and calcium (9.2 ± 0.7 vs. 10.7 ± 0.8 mg/dL; P < 0.001) values were found to be decreased significantly. Conclusion: In this study, fetuin-A levels of patients with PHPT were higher than those of the controls and significantly decreased after parathyroidectomy compared with the preoperative levels. Fetuin-A levels could be a beneficial marker to determine the changes in bone metabolism of the patients with PHPT and to detect the patients suitable for surgery.

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