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

The circulatory response to specific ventilatory patterns using a tidal volume ventilator.

S Lindahl, J Kugelberg, L Okmian

    Acta Anaesthesiologica Scandinavica
    |August 1, 1979
    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

    Comparison of sampling sites and laboratory diagnostic tests for S. equi subsp. equi in horses from confirmed strangles outbreaks.

    Journal of veterinary internal medicine·2013
    Same author

    Pressurised hot water extraction with on-line particle formation by supercritical fluid technology.

    Food chemistry·2013
    Same author

    Surgical treatment of undescended testes.

    Acta paediatrica (Oslo, Norway : 1992)·2007
    Same author

    Nordic consensus on treatment of undescended testes.

    Acta paediatrica (Oslo, Norway : 1992)·2007
    Same author

    Response of T lymphocytes from previously infected calves to recombinant Cryptosporidium parvum P23 vaccine antigen.

    The Journal of parasitology·2006
    Same author

    Blood-borne factors possibly associated with post-operative nausea and vomiting: an explorative study in women after breast cancer surgery.

    Acta anaesthesiologica Scandinavica·2005
    Same journal

    Reply to Gunka Et al.: Patient-Reported Outcome Measures After Labor Epidural Analgesia: Mental Presence as a Patient-Centered Endpoint.

    Acta anaesthesiologica Scandinavica·2026
    Same journal

    Impact of Higher Versus Lower Blood Pressure Targets on Pulmonary Vascular Hemodynamics During Intensive Care After Out-of-Hospital Cardiac Arrest.

    Acta anaesthesiologica Scandinavica·2026
    Same journal

    Early Labour Epidural for Parturients With High BMI-A National Danish Survey.

    Acta anaesthesiologica Scandinavica·2026
    Same journal

    Contrast Media and Acute Kidney Injury in the ICU.

    Acta anaesthesiologica Scandinavica·2026
    Same journal

    The Impact of Diuretics on Mortality in Acute Kidney Injury With or Without Fluid Accumulation in Intensive Care-A Retrospective Cohort Study.

    Acta anaesthesiologica Scandinavica·2026
    Same journal

    Authors' Response to "Vasopressors in Early Burn Resuscitation: Physiological Concerns Revisited".

    Acta anaesthesiologica Scandinavica·2026
    See all related articles

    Artificial ventilation patterns impact piglets' circulation. Rapid insufflation with longer expiration times benefits venous return and cardiac output, crucial for circulatory support.

    Area of Science:

    • Physiology
    • Cardiovascular System
    • Respiratory System

    Background:

    • Artificial ventilation is critical in critical care.
    • Understanding ventilatory patterns' circulatory effects is vital.
    • Maintaining stable carbon dioxide levels is essential.

    Purpose of the Study:

    • To investigate circulatory responses to varying artificial ventilation patterns.
    • To assess the impact of different ventilatory frequencies and inspiration times on hemodynamics.
    • To determine optimal ventilation strategies for circulatory support.

    Main Methods:

    • Studied 17 sternotomized piglets under artificial ventilation.
    • Maintained constant carbon dioxide-tension levels.
    • Analyzed end-tidal CO2 and arterial CO2-tension.

    Related Experiment Videos

  • Measured cardiac output, pulmonary, and systemic vascular resistance.
  • Varied ventilator volume/pressure quotient and respiratory frequency (f).

    • Main Results:

    • Lower lung and total compliance observed at specific ventilator settings (volume/pressure quotient 20 ml/kPa, f=30 cycles/min).
    • Higher cardiac output and lower vascular resistance at lower frequency (f=11 cycles/min, inspiration 20%) compared to higher frequency (f=30 cycles/min, inspiration 50%).
    • Increased inspiration time at lower frequency led to decreased cardiac output and stroke volume.

    Conclusions:

    • Ventilatory pattern significantly influences circulatory dynamics.
    • Rapid insufflation and longer expiration times enhance venous return and cardiac output.
    • Optimizing ventilation parameters is key for hemodynamic stability in ventilated patients.