Surgery
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The National Institutes of Health (NIH) consensus guidelines for parathyroidectomy in primary hyperparathyroidism were developed addressing only the classic symptoms and physiologic markers of hyperparathyroidism. The purpose of this study was to assess whether NIH guidelines predict the severity of all symptoms and the outcome of operation. ⋯ Patients with no NIH criteria for operation are equally symptomatic compared with those who meet the NIH guidelines. Parathyroidectomy significantly improved these symptoms whether or not the patient met the NIH consensus guidelines.