Effects of Blood Pressure Control With Perindopril/Indapamide on the Microcirculation in Hypertensive Patients
Identifieur interne : 000343 ( France/Analysis ); précédent : 000342; suivant : 000344Effects of Blood Pressure Control With Perindopril/Indapamide on the Microcirculation in Hypertensive Patients
Auteurs : Haytem Debbabi [France] ; Philippe Bonnin [France] ; Bernard I. Levy [France]Source :
- American Journal of Hypertension [ 0895-7061 ] ; 2010-10.
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Abstract
Background Microvascular rarefaction and endothelium dysfunction are hallmarks of hypertension. We assessed whether antihypertensive treatments affect the microcirculation and whether the fixed-dose combination perindopril/indapamide (per/ind) modifies the microcirculation of hypertensive patients independently of blood pressure reduction. Methods One hundred ninety-three consecutive patients were enrolled into one of four groups depending on their blood pressure and existing treatment: (i) controlled hypertensive patients treated with per/ind (controlled-per/ind), (ii) controlled hypertensive patients treated with agents other than angiotensin-converting enzyme (ACE) inhibitors or diuretics (controlled-other), (iii) uncontrolled hypertensive patients treated with agents other than ACE inhibitors or diuretics (uncontrolled-other), (iv) untreated normotensive subjects. Macro- and microcirculation parameters were evaluated once in every patient. We used intravital video microscopy to measure dermal capillary density in the dorsum of the fingers. Microvascular endothelial function was assessed by measuring the perfusion increases after pilocarpine iontophoresis and central hemodynamic parameters by tonometry. Results Capillary density was significantly higher in controlled-per/ind patients (99 ± 12capillaries/mm2) than in all other groups (P < 0.05). Controlled-per/ind patients had a significantly greater endothelial response to pilocarpine than patients from all other groups (P < 0.05). Central hemodynamic parameters were similarly improved in both controlled groups compared with the uncontrolled-other group (P < 0.05). Conclusions Thus, hypertensive patients with blood pressure controlled with the combination per/ind had normalized capillary density and endothelial function, whereas other antihypertensive treatments, excluding ACE inhibitors or diuretics, had less effect despite similar blood pressure control.
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DOI: 10.1038/ajh.2010.115
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We assessed whether antihypertensive treatments affect the microcirculation and whether the fixed-dose combination perindopril/indapamide (per/ind) modifies the microcirculation of hypertensive patients independently of blood pressure reduction. Methods One hundred ninety-three consecutive patients were enrolled into one of four groups depending on their blood pressure and existing treatment: (i) controlled hypertensive patients treated with per/ind (controlled-per/ind), (ii) controlled hypertensive patients treated with agents other than angiotensin-converting enzyme (ACE) inhibitors or diuretics (controlled-other), (iii) uncontrolled hypertensive patients treated with agents other than ACE inhibitors or diuretics (uncontrolled-other), (iv) untreated normotensive subjects. Macro- and microcirculation parameters were evaluated once in every patient. We used intravital video microscopy to measure dermal capillary density in the dorsum of the fingers. Microvascular endothelial function was assessed by measuring the perfusion increases after pilocarpine iontophoresis and central hemodynamic parameters by tonometry. Results Capillary density was significantly higher in controlled-per/ind patients (99 ± 12capillaries/mm2) than in all other groups (P < 0.05). Controlled-per/ind patients had a significantly greater endothelial response to pilocarpine than patients from all other groups (P < 0.05). Central hemodynamic parameters were similarly improved in both controlled groups compared with the uncontrolled-other group (P < 0.05). Conclusions Thus, hypertensive patients with blood pressure controlled with the combination per/ind had normalized capillary density and endothelial function, whereas other antihypertensive treatments, excluding ACE inhibitors or diuretics, had less effect despite similar blood pressure control.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Île-de-France</li></region><settlement><li>Paris</li></settlement></list><tree><country name="France"><region name="Île-de-France"><name sortKey="Debbabi, Haytem" sort="Debbabi, Haytem" uniqKey="Debbabi H" first="Haytem" last="Debbabi">Haytem Debbabi</name></region><name sortKey="Bonnin, Philippe" sort="Bonnin, Philippe" uniqKey="Bonnin P" first="Philippe" last="Bonnin">Philippe Bonnin</name><name sortKey="Debbabi, Haytem" sort="Debbabi, Haytem" uniqKey="Debbabi H" first="Haytem" last="Debbabi">Haytem Debbabi</name><name sortKey="Levy, Bernard I" sort="Levy, Bernard I" uniqKey="Levy B" first="Bernard I." last="Levy">Bernard I. 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