Table 1.

Guidelines for parathyroid surgery in patients with asymptomatic PHPT

MEASUREMENTRECOMMENDATION
Serum calcium (above upper limit of normal)0.25 mmol/L
24-h urinary calciumNot indicated
Creatinine clearance (calculated)Reduced to < 60 mL/min
Bone mineral densityT score less than −2.5 at any site or previous fragility fracture
Age, y< 50
  • PHPT—primary hyperparathyroidism.

  • Data from Bilezikian et al.29