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Objectives/hypothesis: The most appropriate type of surgery for hyperparathyroidism secondary to renal failure remains controversial. We report a 5-year experience of patients with hyperparathyroidism secondary to end-stage renal disease who underwent subtotal parathyroidectomy. We believe that this is the procedure of choice, offering several advantages over total parathyroidectomy with and without reimplantation.Study Design: Retrospective review.Methods: Review of 14 consecutive renal failure patients who underwent subtotal parathyroidectomy by one surgeon (A.K.) was performed. Follow-up ranged from 4 to 54 months. All patients were receiving chronic maintenance dialysis. All patients came to surgery with clinical symptoms of parathyroid bone disease, elevated serum calcium levels (10.1-12.4 mg/dL), and intact parathyroid hormone levels (619-4160 pg/mL), despite maximal medical therapy. At exploration four glands were identified in all patients and three and a half were removed.Results: All patients experienced symptomatic relief postoperatively with normalization or near-normalization of serum calcium concentration and intact parathyroid hormone concentrations. One patient developed recurrent disease 4 months after surgery, and on re-exploration a supernumerary substernal gland was identified. A second patient developed recurrent symptoms 4 years after surgery and at the time of this writing was awaiting re-exploration.Conclusions: All patients had either resolution of or marked improvement in their subjective complaints. There have been no cases of permanent hypoparathyroidism. We believe that subtotal parathyroidectomy is the best procedure for patients with refractory symptoms of secondary hyperparathyroidism. [ABSTRACT FROM AUTHOR]