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Hypomagnesemia and hypertension in primary hyperparathyroidism
A K Sangal1, M Kevwitch, D S Rao
1Department of General Internal Medicine, Henry Ford Hospital, Detroit, Mich. 48202.
Southern Medical Journal
|September 1, 1989
Summary
Primary hyperparathyroidism patients with hypertension had significantly lower serum magnesium levels. This suggests hypomagnesemia may contribute to high blood pressure in primary hyperparathyroidism.
Area of Science:
- Endocrinology
- Nephrology
- Cardiovascular Medicine
Background:
- Primary hyperparathyroidism is associated with hypertension.
- The exact mechanisms linking primary hyperparathyroidism and hypertension are not fully understood.
- Hypomagnesemia is implicated in essential hypertension.
Purpose of the Study:
- To investigate the role of serum magnesium in hypertension associated with primary hyperparathyroidism.
- To identify factors contributing to hypertension in patients with primary hyperparathyroidism.
Main Methods:
- Retrospective study of 89 patients with surgically confirmed primary hyperparathyroidism.
- Comparison of hypertensive and normotensive patient groups.
- Analysis of demographic data, serum calcium, phosphate, magnesium, and creatinine clearance.
Main Results:
- 48% of patients with primary hyperparathyroidism were hypertensive.
- Hypertensive and normotensive groups did not differ in age, sex, calcium, phosphate, or creatinine clearance.
- Hypertensive patients had significantly lower mean serum magnesium levels (1.52 mEq/L) compared to normotensive patients (1.76 mEq/L).
Conclusions:
- Hypomagnesemia may play a role in the pathogenesis of hypertension in primary hyperparathyroidism.
- This finding warrants further investigation into the magnesium-hypertension link in this condition.