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

[Aortic input impedance in ventricular septal defect].

H Endo1, K Ichihashi, T Kuramatsu

  • 1Department of Pediatrics, Jichi Medical School, Tochigi.

Journal of Cardiology
|January 1, 1991
PubMed
Summary

Patients with ventricular septal defect (VSD) exhibit increased vascular afterload and reduced arterial system efficiency. This impacts left ventricular hydraulic load and energy conversion in the vasculature.

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

Familial isolated primary hyperparathyroidism with parathyroid carcinomas: clinical and molecular features.

Clinical endocrinology·1998
Same author

[Perioperative management of cerebral circulation].

Masui. The Japanese journal of anesthesiology·1998
Same author

Production and immunohistochemical characterization of monoclonal antibodies against ovarian antigen of the common tree shrew (Tupaia glis).

Anatomia, histologia, embryologia·1998
Same author

[Home care problems of new long-term care insurance in Japan].

Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics·1998
Same author

Geographical variation of mandible size and shape in the Ryukyu wild pig (Sus scrofa riukiuanus).

The Journal of veterinary medical science·1998
Same author

Functional anatomy of gliding membrane muscles in the sugar glider (Petaurus breviceps).

Annals of anatomy = Anatomischer Anzeiger : official organ of the Anatomische Gesellschaft·1998

Area of Science:

  • Cardiovascular Physiology
  • Pediatric Cardiology

Context:

  • Ventricular septal defect (VSD) significantly alters cardiac hemodynamics.
  • Assessing left ventricular hydraulic load is crucial for understanding VSD pathophysiology.

Purpose:

  • To investigate aortic input impedance and hydraulic power in VSD patients.
  • To compare hemodynamic parameters between VSD patients and healthy controls.

Summary:

  • Patients with VSD (Qp/Qs > 2.0) showed higher terminal impedance, indicating increased peripheral resistance and vascular afterload.
  • The steady component of hydraulic power was lower in VSD patients, suggesting reduced arterial system efficiency.
  • Characteristic impedance did not differ between groups.

Impact:

Related Experiment Videos

  • Findings highlight altered vascular mechanics in VSD, contributing to increased afterload.
  • Reduced arterial efficiency in VSD patients with large shunts has implications for long-term cardiovascular health.