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Acta Médica Costarricense

On-line version ISSN 0001-6002Print version ISSN 0001-6012


JIMENEZ-MONTERO, Jose G.; MOYA-SANCHO, Eduardo; BRENES-PINO, Fernando  and  RIVERA-AGUERRI, Ariel. Resistant hypertension in a patient with primary aldosteroninsm. An unusual clinical presentation. Acta méd. costarric [online]. 2019, vol.61, n.2, pp.81-84. ISSN 0001-6002.

In this report we present a case of a patient with resistant hypertension treated with triple antihypertensive medication. The patient suffered of sudden episodes of nocturnal hypertension, headache, dyspnoea, palpitations, precordial pain and a left suprarenal mass was found in the abdominal ultrasound. These findings suggested endocrine hypertension due to pheochromocytoma.However, the laboratory tests showed hypokalemia, high plasma aldosterone concentrations and suppressed plasma renin activity. This results were consistent with primary aldosteronism. After the laparoscopic removal of the suprarenal adenoma blood pressure, plasma aldosterone concentrations and plasma renine activity returned to normal.

Keywords : Resistant hypertension; Plasma aldosterone; Suprarenal adenoma; Primary aldosteronism.

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