Effects of Parathyroidectomy Versus Observation on the Development of Vertebral Fractures in Mild Primary Hyperparathyroidism
2015
Context: Mild primary hyperparathyroidism (PHPT) is a common disease especially in middle-aged and elderly women. The diagnosis is frequently made incidentally and treatment strategies are widely discussed. Objective: To study the effect of parathyroidectomy (PTX) compared with observation (OBS) on biochemistry, safety, bone mineral density (BMD), and new fractures. Design: Prospective, randomized controlled study (SIPH study), with a 5-year follow-up. Setting: The study was conducted at multicenter, tertiary referral centers. Patients: Of 191 randomized patients with mild PHPT, biochemical data were available for 145 patients after 5 years, with a mean age at inclusion of 62.8 years (OBS group, 9 males) and 62.1 years (PTX group, 10 males). Intervention: Parathyroidectomy vs observation. Main outcome measures: Biochemistry, BMD, and new radiographic vertebral fractures. Results: Serum-calcium and PTH-levels normalized after surgery and did not deteriorate by observation. BMD Z-scores were normal at inclu...
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