Prevalence of target organ damage and factors associated with cardiovascular events in subjects with refractory hypertension

Pedro Armario, Anna Oliveras, Raquel Hernández Del Rey, Esteban Poch, María Larrouse, Alex Roca-Cusachs, Alejandro De La Sierra

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10 Citations (Scopus)

Abstract

Objectives: To asses the prevalence of target organ damage (TOD) and factors associated with cardiovascular events in subjects with refractory hypertension. Patients and methods: Cross-sectional study of 146 patients with clinical diagnosis of refractory hypertension. TOD was defined as the presence of micro albuminuria (MA), renal failure (RF), left ventricular hypertrophy (LVH) or left a trial enlargement (LAE). Cardiovascular events were defined as the antecedent of stroke, coronary heart disease, heart failure or peripheral arterial disease.24-hambulatory blood pressure monitoring was (ABPM) performed with a validated Space labs 90207. Results: The prevalence of LVH was 62.3%, and LAE was observed in 27.7% of the subjects. The prevalence of RF was 28.1% and MA was found in 41, 4%. An association between MA and LVH was observed. After adjusting by age, the urinary album in excretion (UAE) correlated with clinical blood pressure (BP) and BP during 24-h ABPM, where as LVMI correlated with ambulatory BP but not with clinical BP. The prevalence of previous cardiovascular events was 22% and in the multivariate regression analysis, UAE was the only in dependent factor associated with the antecedent of cardiovascular events. Conclusion: In subjects with refractory hypertension, the prevalence of TOD was high, and an association between heart and renal organ damage was observed. UAE was independently associated with the antecedent of cardiovascular disease. © 2008 Elsevier España, S.L.
Original languageEnglish
Pages (from-to)127-131
JournalMedicina Clinica
Volume133
Issue number4
DOIs
Publication statusPublished - 27 Jun 2009

Keywords

  • Cardiovascular events
  • Left atrial enlargement
  • Left ventricular hypertrophy
  • Microalbuminuria
  • Resistant hypertension

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