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

[Dobutamine hemodynamics for aortic stenosis with left ventricular dysfunction].

J L Monin1, P Gueret

  • 1Fédération de cardiologie, CHU Henri-Mondor, AP-HP, 51, avenue De-Lattre-de-Tassigny 94010 Créteil, France. jeanluc.monin@free.fr

Annales De Cardiologie Et D'Angeiologie
|July 5, 2005
PubMed
Summary

Dobutamine stress testing helps assess aortic stenosis severity and left ventricular function in patients with systolic dysfunction. It guides treatment decisions by predicting operative risk and long-term outcomes.

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

Impact of multidisciplinary team meetings on the management of venous thromboembolism. A clinical study of 142 cases.

Journal de medecine vasculaire·2020
Same author

Neutralization of EP217609, a new dual-action FIIa/FXa anticoagulant, by its specific antidote avidin: a phase I study.

European journal of clinical pharmacology·2016
Same author

Gender and age effects on risk factor-based prediction of coronary artery calcium in symptomatic patients: A Euro-CCAD study.

Atherosclerosis·2016
Same author

[Hereditary thrombophilia testing and its therapeutic impact on venous thromboembolism disease: Results from a retrospective single-center study of 162 patients].

La Revue de medecine interne·2016
Same author

The coronary calcium score is a more accurate predictor of significant coronary stenosis than conventional risk factors in symptomatic patients: Euro-CCAD study.

International journal of cardiology·2016
Same author

Attitudes of Hospital Healthcare Workers towards Influenza Vaccination in a Tertiary Hospital Setting.

Irish medical journal·2015

Area of Science:

  • Cardiology
  • Cardiovascular Imaging
  • Hemodynamics

Context:

  • Patients with aortic stenosis (AS) and left ventricular (LV) systolic dysfunction face poor prognoses.
  • Transaortic gradients offer prognostic value for operative risk and long-term outcomes.
  • Accurate AS severity assessment and operative risk stratification are critical.

Purpose:

  • To evaluate the utility of Dobutamine Hemodynamics in assessing AS severity and LV contractile reserve.
  • To stratify operative risk and guide therapeutic decisions in AS patients with LV dysfunction.

Summary:

  • Dobutamine stress testing can identify "relative AS" (valve area > 1.2 cm2, mean gradient <30 mmHg), justifying medical management.
  • Left ventricular contractile reserve (≥20% stroke volume increase) indicates improved surgical outcomes and 5-11% operative risk.

Related Experiment Videos

  • Exhausted LV reserve signifies higher operative risk (30-60%), influenced by comorbidities and coronary artery disease.

    • Impact:

    • Provides a framework for risk-benefit analysis in AS patients with LV dysfunction.
    • Optimizes therapeutic strategies by integrating hemodynamic and clinical data.
    • Improves patient selection for surgery, potentially enhancing long-term outcomes.