Vol 23, No 2 (2016)
PREVENTION - Original articles
Published online: 2016-04-29

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The effect of hemodynamically-guided hypotensive therapy in one-year observation: Randomized, prospective and controlled trial (FINEPATH study)

Paweł Krzesiński, Grzegorz Gielerak, Adam Stańczyk, Katarzyna Piotrowicz, Beata Uziębło-Życzkowska, Małgorzata Banak, Małgorzata Kurpaska, Łukasz Michalczyk, Agnieszka Jurek, Kalina Wolszczak, Agata Galas, Agnieszka Wójcik, Andrzej Skrobowski
DOI: 10.5603/CJ.a2016.0009
Pubmed: 26876066
Cardiol J 2016;23(2):132-140.

Abstract

Background: The use of impedance cardiography (ICG) revealed to provide beneficial blood pressure (BP) lowering effect. However, the follow-up in previous trials was short and brachial BP was the only evaluated hemodynamic variable. Thus, we aimed to estimate the influence of ICG-guided therapy on brachial and central BP, impedance-derived hemodynamic profile and echocardiographic features after 12 months in a randomized, prospective and controlled trial (NCT01996085).

Methods: One hundred and forty-four hypertensives were randomly assigned to groups of empiric (GE) and ICG-guided therapy (HD). Office BP, ambulatory BP monitoring, central BP and echocardiography (left ventricular hypertrophy and diastolic function assessment) were performed before and after 12 months of treatment.

Results: Blood pressure reduction was higher in HD (office BP: 21.8/14.1 vs. 19.9/11.8 mm Hg; mean 24-h BP: 19.0/10.9 vs. 14.4/9.2 mm Hg). However, the only statistically significant differences were: percentage of patients achieving BP reduction of minimum 20 mm Hg for of­fice diastolic BP (27.3% vs. 12.1%; p = 0.034) and mean 24-h systolic BP (49.1% vs. 27.3%; p = 0.013). More pronounced improvement in the left ventricular diastolic dysfunction (delta E/A 0.34 vs. 0.12, p = 0.017) was the only other beneficial hemodynamic effect.

Conclusions: Beneficial BP lowering effect of hemodynamically-guided pharmacotherapy, observed previously in short-term observation, persists over time. Hemodynamic effects of such a treatment approach, especially those of prognostic value (central BP, myocardial hypertrophy), should be evaluated in further studies including patients with resistant hypertension, heart failure, diabetes mellitus and chronic kidney disease.

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