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Ultrafast volumetric optoacoustic imaging of whole isolated beating mouse heart.
Sci. Rep. 8:14132 (2018)
The Langendorff-perfused heart technique has become the model of choice for multiparametric optical mapping of cardiac function and electrophysiology. However, photon scattering in tissues represents a significant drawback of the optical imaging approach, fundamentally limiting its mapping capacity to the heart surface. This work presents the first implementation of the optoacoustic approach for 4D imaging of the entire beating isolated mouse heart. The method combines optical excitation and acoustic detection to simultaneously render rich optical contrast and high spatio-temporal resolution at centimeter-scale depths. We demonstrate volumetric imaging of deeply located cardiac features, including the interventricular septum, chordae tendineae, and papillary muscles while further tracking the heart beat cycle and the motion of the pulmonary, mitral, and tricuspid valves in real time. The technique possesses a powerful combination between high imaging depth, fast volumetric imaging speed, functional and molecular imaging capacities not available with other imaging modalities currently used in cardiac research.
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4.122
1.245
6
15
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Myocardial-infarction; Cardiac Fibrillation; Langendorff; Model; Tomography; Perfusion; Dynamics
Language
english
Publication Year
2018
HGF-reported in Year
2018
ISSN (print) / ISBN
2045-2322
e-ISSN
2045-2322
Journal
Scientific Reports
Quellenangaben
Volume: 8,
Issue: 1,
Article Number: 14132
Publisher
Nature Publishing Group
Publishing Place
London
Reviewing status
Peer reviewed
Institute(s)
Institute of Biological and Medical Imaging (IBMI)
POF-Topic(s)
30205 - Bioengineering and Digital Health
Research field(s)
Enabling and Novel Technologies
PSP Element(s)
G-505590-001
WOS ID
WOS:000445079400053
Scopus ID
85053695105
PubMed ID
30237560
Erfassungsdatum
2018-10-01