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Hypertension and heart failure can be treated with mineralocorticoid-receptor antagonists, although therapy is associated with an increased incidence of hyperkalemia. Data from three influential clinical trials—RALES, EPHESUS and 4E—are described and the findings discussed within the context of mineralocorticoid-receptor biology.
Gamma Knife® radiosurgery is widely used to treat patients with pituitary adenoma. Although this procedure has a high success rate, it is also associated with potential complications, including visual dysfunction. This Viewpoint considers whether the benefits of Gamma Knife®surgery outweigh the risks.
