Search Results - "Porra, L."

K-edge subtraction synchrotron X-ray imaging in bio-medical research by Thomlinson, W., Elleaume, H., Porra, L., Suortti, P.

“…•Synchrotron radiation allows high contrast imaging with low patient radiation doses.•K-edge subtraction imaging is used to detect atomic elements within…”
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Quantitative Imaging of Regional Aerosol Deposition, Lung Ventilation and Morphology by Synchrotron Radiation CT by Porra, L., Dégrugilliers, L., Broche, L., Albu, G., Strengell, S., Suhonen, H., Fodor, G. H., Peták, F., Suortti, P., Habre, W., Sovijärvi, A. R. A., Bayat, S.

“…To understand the determinants of inhaled aerosol particle distribution and targeting in the lung, knowledge of regional deposition, lung morphology and…”
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Association of breathing sound spectra with glottal dimensions in exercise-induced vocal cord dysfunction by Geneid, Ahmed, Aaltonen, L.-M., Porra, L., Peltonen, J., Palmu, K., Sovijärvi, A., Piirilä, P.

“…The objective of this study was to evaluate associations between the breathing sound spectra and glottal dimensions in exercise-induced vocal cord dysfunction…”
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Zero expiratory pressure and low oxygen concentration promote heterogeneity of regional ventilation and lung densities by Borges, J. B., Porra, L., Pellegrini, M., Tannoia, A., Derosa, S., Larsson, A., Bayat, S., Perchiazzi, G., Hedenstierna, G.

“…Background It is not well known what is the main mechanism causing lung heterogeneity in healthy lungs under mechanical ventilation. We aimed to investigate…”
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Radiation dose and image quality in K-edge subtraction computed tomography of lung in vivo by Strengell, S., Keyriläinen, J., Suortti, P., Bayat, S., Sovijärvi, A. R. A., Porra, L.

“…K‐edge subtraction computed tomography (KES‐CT) allows simultaneous imaging of both structural features and regional distribution of contrast elements inside…”
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Simultaneous in vivo synchrotron radiation computed tomography of regional ventilation and blood volume in rabbit lung using combined K-edge and temporal subtraction by Suhonen, H, Porra, L, Bayat, S, Sovijärvi, A R A, Suortti, P

“…In K-edge subtraction (KES) imaging with synchrotron radiation computed tomography (SRCT), two images are taken simultaneously using energies above and below…”
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Effect of tidal volume on distribution of ventilation assessed by synchrotron radiation CT in rabbit by Porra, L, Monfraix, S, Berruyer, G, Le Duc, G, Nemoz, C, Thomlinson, W, Suortti, P, Sovijarvi, A. R. A, Bayat, S

“…1 Department of Physical Sciences, University of Helsinki, FIN 00014 Helsinki, Finland; 2 European Synchrotron Radiation Facility, F-38043 Grenoble, France; 3…”
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Alveolar deflation dynamics before and after lung injury assessed by synchrotron radiation computed tomography by Perchiazzi, G, Borges, JB, Hedenstierna, G, Porra, L, Broche, L, Pellegrini, M, Sindaco, A, Tannoia, AP, Derosa, S, Todisco, FFM, Scaramuzzo, G, Larsson, A, Bayat, S

“…Issue Title: ESICM LIVES 2015…”
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QUANTITATIVE FUNCTIONAL IMAGING AND KINETIC STUDIES WITH HIGH-Z CONTRAST AGENTS USING SYNCHROTRON RADIATION COMPUTED TOMOGRAPHY by Adam, JF, Bayat, S, Porra, L, Elleaume, H, Estève, F, Suortti, P

“…SUMMARY 1 There is an increasing demand in diagnostic radiology for extracting additional morphological and functional quantitative parameters from…”
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0897. Mechanisms of pulmonary inflation during lung injury assessed by synchrotron radiation computed tomography by Perchiazzi, G, Borges, JB, Hedenstierna, G, Porra, L, Broche, L, Pellegrini, M, Sindaco, A, Tannoia, AP, Derosa, S, Todisco, FF, Fiore, T, Larsson, A, Bayat, S

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PO-1737 Robustness of the pseudo-skin flash in VMAT breast radiotherapy with Acuros XB algorithm by Honkanen, A., Porra, L., Rintala, A., Reijonen, V., Seppälä, T., Tenhunen, M.

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C29 ADVANCES IN PULMONARY IMAGING TO STUDY LUNG STRUCTURE AND FUNCTION: Imaging Intra-Breath Cyclic Changes In Regional Pulmonary Blood Volume: Effect Of Peep, Tidal Volume And Gravity Gravity by Bayat, S, Porra, L, Broche, L, Degrugilliers, L, Albu, G, Hallback, M, Wallin, M, Habre, W

“…Corresponding author's email: sam.bayat@unige.ch Rationale: Despite the importance of dynamic changes in the regional distributions of gas and blood during the…”
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Imaging Intra-Breath Cyclic Changes In Regional Pulmonary Blood Volume: Effect Of Peep, Tidal Volume And Gravity Gravity by Bayat, Sam, Porra, L., Broche, L., Degrugilliers, Loïc, Albu, G., Hallback, M., Wallin, M., Habre, W.

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Diffusion-Convection Interaction As A Cause Of Uneven Gas Distribution In Rabbit Lung by Bayat, Sam, Degrugilliers, Loïc, Broche, L., Porra, L., Lee, D., Wexler, A. S., Paiva, M., Verbanck, S.

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C69 WAITING TO INHALE: AEROSOL, DELIVERY, AND OUTCOMES: Diffusion-Convection Interaction As A Cause Of Uneven Gas Distribution In Rabbit Lung by Bayat, S, Degrugilliers, L, Broche, L, Porra, L, Lee, D, Wexler, A S, Paiva, M, Verbanck, S

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A108 LUNG IMAGING: STATE OF PLAY ON STRUCTURE AND FUNCTION: Alveolar Recruitment And Distension During Mechanical Ventilation: Synchrotron Radiation Computed Tomography In An In-Vivo Model Of Acute Lung Injury by Perchiazzi, G, Bayat, S, Borges, J B, Porra, L, Broche, L, Sindaco, A, Pellegrini, M, Tannoia, A P, Derosa, S, Larsson, A, Hedenstierna, G

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D14 NEW INSIGHTS INTO MECHANICAL VENTILATION: Individual Airway Narrowing And Closure Studied By Phase-Contrast CT Imaging In Injured Rabbit Lung by Bayat, S, Pisa, P, Broche, L, Tannoia, A, Pellegrini, M, Sindaco, A, Derosa, S, Porra, L, Borges, J B, Larsson, A, Perchiazzi, G, Hedenstierna, G

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A26 MECHANICAL VENTILATION: PHYSIOLOGY AND OUTCOMES: Low End-Expiratory Pressure Promotes Heterogeneity Of Regional Specific Ventilation And Lung Densities During Mechanical Ventilation by Borges, J B, Perchiazzi, G, Broche, L, Sindaco, A, Pellegrini, M, Tannoia, A, Derosa, S, Larsson, A, Bayat, S, Porra, L, Hedenstierna, G

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C63 LUNG INJURY AND REPAIR: TWO TO TANGO: Short-Term Recruitment/derecruitment Demonstrated By Phase-Contrast CT Imaging In Injured Rabbit Lung by Broche, L, Tannoia, A, Pellegrini, M, Derosa, S, Sindaco, A, Borges, J, Porra, L, Larsson, A, Hedenstierna, G, Perchiazzi, G, Bayat, S

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A57 LUNG INJURY, REPAIR, AND FIBROSIS: THE PLOT THICKENS FOR THREE'S COMPANY: Role Of Parenchymal Interdependence In The Short-Term Dynamics Of Recruitment/derecruitment In Injured Lung: A Modelling Study by Broche, L, Tannoia, A, Pellegrini, M, Derosa, S, Sindaco, A, Borges, J B, Porra, L, Larsson, A, Hedenstierna, G, Bravin, A, Perchiazzi, G, Wexler, A S, Verbanck, S, Bates, J H T, Bayat, S

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