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Correale, Michele; Tricarico, Lucia; Chirivì, Francesco; Bevere, Ester Maria Lucia; Ruggeri, Debora; Migliozzi, Celeste; Rossi, Luciano; Vitullo, Antonio; Granatiero, Michele; Granato, Mattia; Villani, Deborah; Giannetti, Laura; Iacoviello, Massimo; Brunetti, Natale Daniele
The American journal of cardiology, 08/2024, Letnik: 225Journal Article
Impaired pulmonary circulation hemodynamics are characteristic of pulmonary hypertension (PH). We therefore sought to evaluate possible correlations between endothelial function noninvasively assessed by brachial artery flow-mediated dilation (FMD) and hemodynamic parameters at right-sided cardiac catheterization in patients with clinically suspected PH. Consecutive outpatients with suspected PH were enrolled in the study. In all patients, endothelial function was assessed by FMD and hemodynamic parameters (pulmonary artery pressure PAP); pulmonary vascular resistances PVR) were derived by right-sided cardiac catheterization. For this study, 95 consecutive patients with suspected PH were enrolled (mean age 63 ± 13 years, 58% male) and included in the analysis. FMD values were significantly correlated with systolic (s)PAP levels (r = −0.29, p = 0.016); correlation with PVR was of borderline significance (r = −0.21, p = 0.78). After multivariable regression analysis including age, gender, tricuspid annular plane systolic excursion and peak tricuspid regurgitation velocity (peak TRV), and FMD, the latter remained significantly correlated with systolic pulmonary artery pressure (sPAP) values (B = −47, p = 0.02). After classifying patients according to median levels of peak TRV and FMD into 3 groups (neither, either, or both impaired), progressively increased levels of sPAP, mean PAP, and PVR were found (p for trend <0.001 in all cases). FMD values were inversely related to sPAP levels in a small population of patients with clinically suspected PH. In combination with peak TRV levels, FMD values noninvasively assessed were predictive of increased sPAP, mean PAP, and PVR.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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