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

[Analysis by computer simulation of double breathing during pressure support ventilation].

Masahide Ohtsuka1, Yutaka Usuda, Osamu Yamaguchi

  • 1Department of Anesthesiology, Yokohama City University, School of Medicine, Yokohama 236-0004.

Masui. the Japanese Journal of Anesthesiology
|February 3, 2005
PubMed
Summary

Double breathing, a ventilator asynchrony, occurs when the machine assists twice per patient breath. This simulation shows it links to obstructive or restrictive lung conditions, requiring parameter adjustment or mode change.

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

Somatostatin Receptor Scintigraphy Aiding the Exclusion of Cardiac Sarcoidosis in a Patient with Duodenal Neuroendocrine Tumor who Developed Complete Atrioventricular Block.

Internal medicine (Tokyo, Japan)·2026
Same author

Myocardial Infarction Following Systemic Air Embolism During Computed Tomography-Guided Lung Biopsy.

Circulation reports·2026
Same author

Complementary cardiac functional assessment using systolic time intervals and bioelectrical impedance analysis.

Open heart·2026
Same author

Correlation between estimated plasma volume status and extracellular volume ratio determined by bioelectrical impedance analysis in cardiovascular disease patients.

American heart journal plus : cardiology research and practice·2026
Same author

Prognostic value of pretest probability of heart failure with preserved ejection fraction in patients with coronary artery disease: an insight from the CLIDAS-PCI database.

Cardiovascular intervention and therapeutics·2026
Same author

Screening for heart failure with preserved ejection fraction using the BREATH<sub>2</sub> score: diagnostic performance and prognostic value.

Heart & lung : the journal of critical care·2026

Area of Science:

  • Mechanical Ventilation
  • Respiratory Mechanics
  • Critical Care Medicine

Context:

  • Patient-ventilator asynchrony is a known complication of mechanical ventilation.
  • Pressure support ventilation (PSV) aims to improve synchrony but can still exhibit asynchronies.
  • Double breathing is a specific type of asynchrony where the ventilator delivers multiple breaths during a single patient inspiratory effort.

Purpose:

  • To analyze the phenomenon of double breathing during PSV using computer simulation.
  • To identify the underlying mechanisms causing double breathing in different lung models.
  • To explore potential strategies for preventing or mitigating double breathing.

Summary:

  • Computer simulations of double breathing in obstructive and restrictive lung models were performed.

Related Experiment Videos

  • In obstructive models, high peak inspiratory flow and airway pressure oscillations caused premature ventilator support termination, leading to double breathing. Adjustments to circuit volume, inspiratory rise time, and termination criteria can help.
  • In restrictive models, short lung time-constants resulted in early inspiratory flow termination, causing double breathing, which was difficult to resolve with standard parameter adjustments.

    • Impact:

    • Understanding the causes of double breathing in PSV is crucial for optimizing ventilator settings.
    • This study highlights the association between double breathing and specific lung pathologies (obstructive and restrictive).
    • Clinical recommendations include adjusting ventilatory parameters or changing the ventilatory mode if double breathing persists.