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dc.contributor.author
Politi, Teresa
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dc.contributor.author
Wray, S. A.
dc.contributor.author
Fernández, Juan Manuel Francisco
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dc.contributor.author
Gaudric, J.
dc.contributor.author
Ghigo, A.
dc.contributor.author
Lagrée, P. Y.
dc.contributor.author
Capurro, Claudia Graciela
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dc.contributor.author
Fullana, J. M.
dc.contributor.author
Armentano, R.
dc.date.available
2019-09-09T17:51:31Z
dc.date.issued
2016-11
dc.identifier.citation
Politi, Teresa; Wray, S. A.; Fernández, Juan Manuel Francisco; Gaudric, J.; Ghigo, A.; et al.; Impact of arterial cross-clamping during vascular surgery on arterial stiffness measured by the augmentation index and fractal dimension of arterial pressure; Springer; Health and Technology; 6; 3; 11-2016; 229-237
dc.identifier.issn
2190-7188
dc.identifier.uri
http://hdl.handle.net/11336/83125
dc.description.abstract
Arterial cross-clamping is a common strategy used in vascular surgery and its duration is an independent predictor of surgical outcomes. The impact of arterial cross-clamping on the viscoelastic properties of the arterial system and its underlying mechanisms still remain unclear. The aim of this study was to evaluate the effect of arterial cross-clamping on arterial stiffness. A cross-sectional, observational, before-after study was designed to enroll adult patients undergoing vascular surgery. The Augmentation Index normalized to 75 beats-per-minute (AIx@75) and Fractal Dimension (FD) –indirect indicators of arterial stiffness– were calculated from radial arterial pressure tracings during surgery. The arterial pressure tracings from 8 patients were analyzed. Overall data included 4 aortic and 11 iliofemoral interventions. In both aortic and iliofemoral interventions, after arterial clamping, median AIx@75 rose and FD dropped significantly; the opposite occurred after arterial unclamping. Spearman’s correlation suggests a strong significant negative correlation between median AIx@75 and FD during each hemodynamic state for aortic interventions. Our results are consistent at many levels: a) opposite events (i.e., clamping and unclamping) produce changes in different directions, b) two different indicators (i.e., AIx@75 and FD) suggest the same underlying phenomenon, and c) similar results are observed at different vascular locations (i.e., aortic and iliofemoral). Overall, our data consistently suggests an increase in arterial stiffness during clamping and a reduction during unclamping. Despite the large distance from the aortic or iliofemoral intervention sites, radial artery pressure monitoring is still able to detect consistently these vascular events.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Arterial Pressure
dc.subject
Augmentation Index
dc.subject
Cross-Clamping
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Fractal Dimension
dc.subject
Vascular Surgery
dc.subject.classification
Ingeniería Médica
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dc.subject.classification
Ingeniería Médica
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Impact of arterial cross-clamping during vascular surgery on arterial stiffness measured by the augmentation index and fractal dimension of arterial pressure
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-08-30T14:16:50Z
dc.journal.volume
6
dc.journal.number
3
dc.journal.pagination
229-237
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Politi, Teresa. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Ciencias Fisiológicas. Laboratorio de Biomembranas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Fisiología y Biofísica Bernardo Houssay. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Fisiología y Biofísica Bernardo Houssay; Argentina
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Fil: Wray, S. A.. Universidad Tecnológica Nacional; Argentina. Universidad Favaloro; Argentina
dc.description.fil
Fil: Fernández, Juan Manuel Francisco. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Ciencias Fisiológicas. Laboratorio de Biomembranas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Fisiología y Biofísica Bernardo Houssay. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Fisiología y Biofísica Bernardo Houssay; Argentina
dc.description.fil
Fil: Gaudric, J.. Université Pierre et Marie Curie; Francia
dc.description.fil
Fil: Ghigo, A.. Université Pierre et Marie Curie; Francia
dc.description.fil
Fil: Lagrée, P. Y.. Université Pierre et Marie Curie; Francia
dc.description.fil
Fil: Capurro, Claudia Graciela. Université Pierre et Marie Curie; Francia. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Ciencias Fisiológicas. Laboratorio de Biomembranas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Fullana, J. M.. Université Pierre et Marie Curie; Francia
dc.description.fil
Fil: Armentano, R.. Ingeniería Biomédica; Argentina
dc.journal.title
Health and Technology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/10.1007/s12553-016-0141-7
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s12553-016-0141-7
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