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The relationship between primary hyperparathyroidism and diabetes mellitus
M P Bannon1, J A van Heerden, P J Palumbo
1Department of Surgery, Mayo Clinic, Rochester, MN 55905.
Annals of Surgery
|April 1, 1988
Summary
Parathyroidectomy does not significantly reduce insulin needs in diabetic patients with primary hyperparathyroidism. This suggests that type II diabetes should not be an additional reason for parathyroid surgery.
Area of Science:
- Endocrinology
- Metabolic Disorders
- Surgical Outcomes
Background:
- Primary hyperparathyroidism is associated with various metabolic disturbances.
- Previous studies suggested potential benefits of parathyroidectomy on diabetes control.
Purpose of the Study:
- To evaluate the effect of parathyroidectomy on insulin requirements in patients with type II diabetes mellitus and primary hyperparathyroidism.
- To determine if coexistent type II diabetes mellitus is an indication for parathyroidectomy.
Main Methods:
- Retrospective review of insulin-requiring diabetic patients undergoing parathyroidectomy (n=36) between 1970-1984.
- Comparison with a control group of insulin-requiring diabetics undergoing thyroidectomy (n=34).
- Analysis of pre-operative and follow-up insulin requirements.
Main Results:
- No statistically significant difference in insulin requirements was observed between the parathyroidectomy and control groups.
- Changes in insulin needs post-surgery did not differ significantly between the groups.
- One patient in each group had type I diabetes; the rest had type II diabetes mellitus.
Conclusions:
- Parathyroidectomy does not lead to a significant reduction in insulin requirements for diabetic patients with primary hyperparathyroidism.
- Coexistent type II diabetes mellitus is not a sufficient indication for parathyroidectomy in primary hyperparathyroidism.