Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Hemodynamic changes distal to selective arterial injections

D C Levin, D A Phillips, S Lee-Son

    Investigative Radiology
    |March 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Abscisic acid inhibition of root nodule initiation in Pisum sativum.

    Planta·2014
    Same author

    Cytokinin activity from the phloem sap of Xanthium strumarium L.

    Planta·2014
    Same author

    Utilization rates of neuroradiology across neuroscience specialties in the private office setting: who owns or leases the scanners on which studies are performed?

    AJNR. American journal of neuroradiology·2011
    Same author

    Occurrence of flavonoids and nucleosides in agricultural soils.

    Applied and environmental microbiology·2006
    Same author

    Evaluation of bacteria isolated from rice for plant growth promotion and biological control of seedling disease of rice.

    Canadian journal of microbiology·2001
    Same author

    Notes from the underground. Communication and control in the rhizosphere.

    Plant physiology·2001

    Selective arterial fluid injection significantly increases distal blood flow and intraarterial pressure. This challenges previous assumptions about hemodynamic stability during such procedures, highlighting the impact of catheter-based interventions.

    Area of Science:

    • Cardiovascular Physiology
    • Interventional Cardiology
    • Medical Device Research

    Background:

    • Previous assumptions suggested selective arterial fluid injection does not significantly alter hemodynamics.
    • This assumption relied on maintaining open communication between the distal artery and the aortic lumen.
    • The potential hemodynamic impact of fluid injection itself was not fully appreciated.

    Purpose of the Study:

    • To investigate the hemodynamic effects of selective arterial fluid injection.
    • To determine if fluid injection alters blood flow in the parent artery.
    • To quantify the changes in blood flow and intraarterial pressure during injection.

    Main Methods:

    • Blood flow was measured using an electromagnetic flow probe in canine coronary or mesenteric arteries.

    Related Experiment Videos

  • Heparinized arterial blood was selectively injected into parent arteries at rates up to 7 ml/sec.
  • Intraarterial pressure changes were monitored distal to the catheter tip.

    • Main Results:

    • Selective arterial fluid injection caused an abrupt and substantial rise in distal blood flow.
    • This increased blood flow was sustained throughout the injection period.
    • The phenomenon was attributed to increased intraarterial pressure distal to the catheter tip.

    Conclusions:

    • Selective arterial fluid injection significantly alters arterial hemodynamics.
    • Increased intraarterial pressure distal to the catheter tip is the primary cause of elevated blood flow.
    • This finding necessitates re-evaluation of hemodynamic assumptions during catheter-based arterial interventions.