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Intraventricular placement of a spring expander does not attenuate cardiac atrophy of the healthy heart induced by unloading via heterotopic heart transplantation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023001%3A_____%2F19%3A00078215" target="_blank" >RIV/00023001:_____/19:00078215 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11130/19:10398478

  • Result on the web

    <a href="http://www.biomed.cas.cz/physiolres/pdf/68/68_567.pdf" target="_blank" >http://www.biomed.cas.cz/physiolres/pdf/68/68_567.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.33549/physiolres.933936" target="_blank" >10.33549/physiolres.933936</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Intraventricular placement of a spring expander does not attenuate cardiac atrophy of the healthy heart induced by unloading via heterotopic heart transplantation

  • Original language description

    An important complication of the prolonged left ventricle assist device support in patients with heart failure is unloading-induced cardiac atrophy which proved resistant to various treatments. Heterotopic heart transplantation (HTx) is the usual experimental model to study this process. We showed previously that implantation of the newly designed intraventricular spring expander can attenuate the atrophy when examined after HTx in the failing heart (derived from animals with established heart failure). The present study aimed to examine if enhanced isovolumic loading achieved by implantation of the expander would attenuate cardiac post-HTx atrophy also in the healthy heart. Cardiac atrophy was assessed as the ratio of the transplanted-to-native heart weight (HW) and its degree was determined on days 7, 14, 21 and 28 after HTx. The transplantation resulted in 32±3, 46±2, 48±3 and 46±3 % HW loss when measured at the four time points; implantation of the expander had no significant effect on these decreases. We conclude that enhanced isovolumic loading achieved by intraventricular implantation of the expander does not attenuate the development of cardiac atrophy after HTx in the healthy heart. This indicates that such an approach does not represent a useful therapeutic measure to attenuate the development of unloading-induced cardiac atrophy.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30201 - Cardiac and Cardiovascular systems

Result continuities

  • Project

    <a href="/en/project/NV16-27420A" target="_blank" >NV16-27420A: New approaches for the prevention of cardiac atrophy: studies in rat model heterotopically transplanted heart</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physiological research

  • ISSN

    0862-8408

  • e-ISSN

  • Volume of the periodical

    68

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    14

  • Pages from-to

    567-580

  • UT code for WoS article

    000483374200005

  • EID of the result in the Scopus database

    2-s2.0-85071710327