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Improving quantification of intravascular fluorescence imaging using structural information.
Phys. Med. Biol. 57, 6395-6406 (2012)
Intravascular near-infrared fluorescence (iNIRF) imaging can enable the in vivo visualization of biomarkers of vascular pathology, including high-risk plaques. The technique resolves the bio-distribution of systemically administered fluorescent probes with molecular specificity in the vessel wall. However, the geometrical variations that may occur in the distance between fibre-tip and vessel wall can lead to signal intensity variations and challenge quantification. Herein we examined whether the use of anatomical information of the cross-section vessel morphology, obtained from co-registered intravascular ultrasound (IVUS), can lead to quantification improvements when fibre-tip and vessel wall distance variations are present. The algorithm developed employs a photon propagation model derived from phantom experiments that is used to calculate the relative attenuation of fluorescence signals as they are collected over 360° along the vessel wall, and utilizes it to restore accurate fluorescence readings. The findings herein point to quantification improvements when employing hybrid iNIRF, with possible implications to the clinical detection of high-risk plaques or blood vessel theranostics.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Times Cited
Scopus
Cited By
Cited By
Altmetric
2.829
1.585
8
9
Anmerkungen
Besondere Publikation
Auf Hompepage verbergern
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
OPTICAL COHERENCE TOMOGRAPHY; RAY COMPUTED-TOMOGRAPHY; IN-VIVO; CARDIOVASCULAR-DISEASE; ULTRASOUND IMAGES; CONTRAST AGENT; ATHEROSCLEROSIS; SEGMENTATION; INFLAMMATION; SYSTEM
Sprache
englisch
Veröffentlichungsjahr
2012
HGF-Berichtsjahr
2012
ISSN (print) / ISBN
0031-9155
e-ISSN
1361-6560
Zeitschrift
Physics in Medicine and Biology
Quellenangaben
Band: 57,
Heft: 20,
Seiten: 6395-6406
Verlag
Institute of Physics Publishing (IOP)
Verlagsort
Bristol
Begutachtungsstatus
Peer reviewed
POF Topic(s)
30205 - Bioengineering and Digital Health
Forschungsfeld(er)
Enabling and Novel Technologies
PSP-Element(e)
G-505500-001
PubMed ID
22996051
WOS ID
WOS:000309549600007
Erfassungsdatum
2012-10-30