New Developments in the Diagnosis and Management of Resistant Hypertension

Author(s): A. de la Sierra.

Journal Name: Current Medicinal Chemistry

Volume 19 , Issue 8 , 2012

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Abstract:

Arterial hypertension is a well-known disease with a worldwide high prevalence and impaired prognosis with respect to normotensive subjects, due to increased cardiovascular mortality and morbidity. Blood pressure levels over range can be successfully controlled with adequate treatment, but more than 10% of hypertensive people have their blood pressure uncontrolled despite a therapeutic regimen of 3 or more antihypertensive drugs. These patients, named to have resistant hypertension, have a worse cardiovascular prognosis than controlled hypertensive subjects. Twenty-four hour-ambulatory blood pressure monitoring (ABPM) reveals that at least one third of these patients have indeed white-coat resistant hypertension, a rather more benign entity. In view of this evidence, performance of 24h-ABPM is mandatory and to document the occurrence of subclinical target organ damage in this population before the development of cardiovascular disease is needed. This would help the physician to more rigorously implement adequate measures to control hypertension. On the other hand, the definition itself of the disease implies that conventional pharmacological treatment is not effective enough for these patients to reach normal blood pressure values. To treat resistant hypertensives, recent reports pay attention to the need to recover traditional treatments -either non-pharmacologic such as strict sodium diet restriction or pharmacologic such as the use of aldosterone receptor blockers - or to implement those treatments that are novelties, such as renal sympathetic nervous system ablation or carotid barorreceptors stimulation.

This review focuses on outlining the current evidence about the diagnostic confirmation of resistant hypertension, the need to characterize these patients through 24h-ABPM, to identify the presence of subclinical target organ damage, and to deal with not only classical but also novel treatment approaches for blood pressure control.

Keywords: Resistant hypertension, Ambulatory blood pressure monitoring, Antihypertensive treatment, Renal sympathetic denervation, Baroreflex sensitization, Secondary hypertension, Combination therapy, Obstructive sleep apnea syndrome, Aldosterone receptor blockers, Target organ damage, Cardiovascular risk

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Article Details

VOLUME: 19
ISSUE: 8
Year: 2012
Page: [1210 - 1218]
Pages: 9
DOI: 10.2174/092986712799320592
Price: $58

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