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Utilitat de la tonometria arterial perifèrica per a l’avaluació del risc cardiovascular

Authors: Ferré Vallés, Raimon;

Utilitat de la tonometria arterial perifèrica per a l’avaluació del risc cardiovascular

Abstract

• Contributions and new knowledge: This work demonstrates that the peripheral artery tonometry is a useful technique for the cardiovascular risk evaluation and is associated to endothelial dysfunction markers, arterial stiffness and morphologic lesions of the arterial wall. Therapeutic life-style changes may cause improvement on digital reactive hyperaemia index. These findings may contribute to a more accurate cardiovascular risk stratification of patients. • Methods and main relevant conclusions: The studies described are based in 816 patients without cardiovascular disease and at moderate cardiovascular risk recruited from the Vascular Medicine and metabolism clinic of the Hospital Universitari Sant Joan in Reus. Clinical visits, blood analyses, therapeutic life-style changes, carotid ultrasonography methods and endothelial function and arterial stiffness evaluation are described in each study. Main results showed that small artery reactivity is directly associated with HDL cholesterol levels and indirectly with tobacco habit, abdominal circumference and triglyceride levels. Central arterial stiffness calculated by the augmentation index was the main determinant of the carotid intimae-media thickness together with the LDL cholesterol levels and the systolic arterial pressure. A one-year prospective study on the therapeutic life-style changes impact on arterial reactivity in 150 volunteers showed that those patients with better adherence presented endothelial function improvement and lower carotid intimae-media thickness progression. Furthermore, the augmentation index measured in 125 patients with familial hypercholesterolemia was positively associated with carotid intimae-media thickness and Apo B100 levels. Endothelial function biomarkers were analysed in orde

• Contribucions i coneixements nous que aporta la tesi: Els treballs en què es basa la tesi doctoral demostren que la tonometria arterial perifèrica és una eina útil per detectar el risc cardiovascular, que s'associa a marcadors de disfunció endotel•lial, a lesió morfològica i rigidesa arterials i, que amb actituds terapèutiques com els canvis d'estil de vida es pot assolir millores en la reactivitat hiperèmica digital. Aquestes troballes poden ajudar a estratificar millor el risc cardiovascular dels pacients. • Metodologia emprada i conclusions més rellevants: Els estudis que es presenten es basen en 816 pacients d'ambdós sexes i d'edat adulta, sense evidència de malaltia cardiovascular, reclutats de la consulta externa de la Unitat de Medicina Vascular i Metabolisme de l'Hospital Universitari Sant Joan de Reus, amb risc cardiovascular estimat segons les taules de Framingham com risc moderat. Tal i com es descriu en cadascun dels treballs, a aquestes persones se'ls va efectuar una visita mèdica, el consell sobre canvis terapèutics d'estil de vida, diverses anàlisi sanguínies i l’estudi d’arteriosclerosi subclínica consistent en ecografia carotídia i l’avaluació de la reactivitat i rigidesa arterial per tonometria perifèrica digital. Els resultats més rellevants demostren que la reactivitat arterial d'artèries de petita mida es relacionà de forma positiva amb els nivells de colesterol HDL i de forma negativa amb el tabaquisme, el perímetre abdominal i la trigliceridèmia. La rigidesa arterial central, mesurada segons l'índex d'augment, fou un dels principals determinants del gruix íntima-mitja carotidi, juntament amb el colesterol LDL i la pressió arterial sistòlica. En un treball prospectiu a 1 any, en 150 voluntaris d'aquests 816, es va examinar l'efecte dels c

Country
Spain
Keywords

Síndrome metabòlica, 61, Tonometria arterial perifèrica, Risc cardiovascular, 616.1, Gruix íntima-mitja carotidi, 616.1 - Patologia del sistema circulatori, dels vasos sanguinis. Trastorns cardiovasculars, 61 - Medicina

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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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Green