• Dtsch. Med. Wochenschr. · Jun 2021

    [Update on treatment resistant hypertension and secondary hypertension].

    • Sarah M Morell, Gunnar H Heine, and Martin Fassnacht.
    • Medizinische Klinik II, Agaplesion Markus-Krankenhaus, Frankfurt am Main.
    • Dtsch. Med. Wochenschr. 2021 Jun 1; 146 (11): 742-746.

    AbstractResistant hypertension (RH) is defined in patients who do not meet their blood pressure targets despite the daily intake of three antihypertensive drugs in maximally tolerated dosages. This triple treatment should comprise (1) an angiotensin-converting enzyme inhibitor (ACE-I) or angiotensin receptor blocker (ARB), (2) a calcium channel blocker and (3) a diuretic. RH should also be diagnosed in patients on four or more antihypertensive drug classes. Of note, the diagnosis of RH requires the exclusion of non-adherence, "white coat effect", and incorrect BP-measurement.After diagnosing RH, it is important to recommend lifestyle interventions (e. g. low dietary salt intake, regular physical activity), to pause BP-elevating substances, and to consider the presence of secondary hypertension.Such secondary forms of hypertension primarily include endocrine disorders and renal disease (both acute kidney injury and chronic kidney disease). The leading endocrine cause is primary hyperaldosteronism, the management of which was highlighted in a recent guideline. Other endocrine causes - such as phaeochromocytoma or hypercortisolism - are much less frequent. In contrast, sleep apnoea disorders are now mostly considered as a comorbidity rather than as a cause of secondary hypertension.Treatment options for RH include lifestyle optimisation and escalation of antihypertensive medication. In most patients on triple treatment (ACE-I or ARB plus calcium channel blocker plus diuretic), mineralocorticoid receptor antagonists (MRA) should be the next treatment choice. As MRA may be associated with hyperkalemia (particularly in patients with chronic kidney disease), the concurrent use of potassium-lowering agents such as patiromer may allow a safe long-term treatment. In contrast, novel interventional treatment options in RH such as renal denervation are still controversially discussed.Thieme. All rights reserved.

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