Journal
SURGERY
Volume 146, Issue 6, Pages 1035-1041Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.surg.2009.09.041
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Background. Primary hyperparathyroidism is associated with an increased cardiovascular morbidity and mortality. However, mechanisms underlying this association are currently unclear As there is clear evidence of the independent role of aldosterone on the cardiovascular system, the aim of this study was to evaluate aldosterone levels in patients with prmary hyperparathyroidism. Methods. A prospective study of 134 consecutive patients with primary hyperparathyroidism before and 3 months after parathyroidectomy. Results. Pre-operative serum aldosterone and parathyroid hormone (PTH) levels, were correlated positively in all patients (.238; P = .005). In the 62 patients (46%) that were not on antihypertensive medications, this correlation was stronger (.441; P = .0003). In the 72 patients (54%) treated with at least 1 antihypertensive medication, no correlation, between, preoperative aldosterone and PTH serum levels was observed. By multivariate analysis, pre-operative PTH level (.409; P = .005) was (an independent predictor of aldosterone. Pre-operative PTH level > 100 ng/L was (in independent predictor of abnormally elevated plasma aldosterone level (odds ratio 3.5; P = .01). At 3 months after parathyroidectomy, no correlation. was observed between. postoperative PTH and aldosterone levels. Conclusion. Aldosterone is correlated positively to preoperative PTH levels in patients with primary hyperparathyroidism. Aldosterone might be a key mediator of cardiovascular symptoms in patients with primary hyperparathyroidism. (Surgery 2009;146:1035-41.)
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