BACKGROUND:

Primary hyperaldosteronism is the main cause of arterial hypertension of endocrine origin in the general population; its presentation during pregnancy is infrequent; having described about 50 cases since 1962, the most common cause is the presence of an adrenal adenoma.

OBJECTIVE:

To report the first case of hyperaldosteronism treated during pregnancy in Peru and reviews the literature.

CLINICAL CASE:

A 39-year-old patient with a history of arterial hypertension and poor obstetric history, who was referred to our center in the second trimester of the 5th pregnancy due to uncontrolled hypertension and symptomatic hypokalemia. Management included an aldosterone receptor antagonist, allowing the control of blood pressure and the culmination of the pregnancy with the delivery of a healthy girl. Subsequently, the presence of an adrenal nodule was confirmed, the resection of which resulted in normalization of aldosterone concentration, plasma renin activity, kalemia, and remission of hypertension to date.

CONCLUSION:

Recommendations on the management of hyperaldosteronism during pregnancy are based only on published cases and drug toxicity data were generated in animal studies. Hence the importance of this report, which provides information that can be considered in similar situations.

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