Počet záznamů: 1
In Vivo Contrast Imaging of Rat Heart with Carbon Dioxide Foam
- 1.
SYSNO ASEP 0559871 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název In Vivo Contrast Imaging of Rat Heart with Carbon Dioxide Foam Tvůrce(i) Karalko, A. (CZ)
Keša, P. (CZ)
Jelínek, F. (CZ)
Šefc, L. (CZ)
Ježek, Jan (UPT-D) RID, ORCID, SAI
Zemánek, Pavel (UPT-D) RID, SAI, ORCID
Grus, T. (CZ)Celkový počet autorů 7 Číslo článku 5124 Zdroj.dok. Sensors. - : MDPI - ISSN 1424-8220
Roč. 22, č. 14 (2022)Poč.str. 11 s. Forma vydání Online - E Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova carbon dioxide foam ; angiography ; contrast-enhanced ultrasound imaging ; preclinical imaging Vědní obor RIV BO - Biofyzika Obor OECD Biophysics CEP EF16_013/0001775 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Výzkumná infrastruktura Czech-BioImaging - 90062 - Ústav molekulární genetiky AV ČR, v. v. i. Způsob publikování Open access Institucionální podpora UPT-D - RVO:68081731 UT WOS 000832426000001 EID SCOPUS 85133518791 DOI https://doi.org/10.3390/s22145124 Anotace Widely used classical angiography with the use of iodine contrast agents is highly problematic, particularly in patients with diabetes mellitus, cardiac and pulmonary diseases, or degree III or IV renal insufficiency. Some patients may be susceptible to allergic reaction to the iodine contrast substance. The intravenous injection of a bolus of CO2 (negative contrast) is an alternative method, which is, however, currently only used for imaging blood vessels of the lower limbs. The aim of our project was to design and test on an animal model a methodology for injecting the CO2 foam which would minimize the possibility of embolization of the brain tissue and heart infarction, leading to their damage. This is important research for the further promotion of the use of CO2, which is increasingly important for endovascular diagnosis and treatment, because carbon-dioxide-related complications are extremely rare. CO2 foam was prepared by the rapid mixing in a 2:1 ratio of CO2 and fetal bovine serum (FBS)-enriched Dulbecco's Modified Eagle Medium (DMEM). Freshly prepared CO2 foam was administered into the catheterized rat tail vein or cannulated rat abdominal aorta and inferior vena cava (IVC). CO2 foam was compared with commercially available microbubbles (lipid shell/gas core). The rat heart in its parasternal long axis was imaged in B-Mode and Non-linear Contrast Mode before/during and after the contrast administration. Samples of the brain, heart and lungs were collected and subjected to histological examination. The non-linear contrast imaging method enables the imaging of micron-sized gas microbubbles inside a rat heart. The significantly shorter lifetime of the prepared CO2 foam is a benefit for avoiding the local ischemia of tissues. Pracoviště Ústav přístrojové techniky Kontakt Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Rok sběru 2023 Elektronická adresa https://www.mdpi.com/1424-8220/22/14/5124
Počet záznamů: 1