Clinical trials: Ventilation Perfusion Mismatch
Lung Perfusion, Respiratory Physiology
Effects of Inspiratory vs Expiratory Breath-Hold on Lung Perfusion Measured by EIT Saline Indicator Method: A Self-Controlled Study
This study aims to compare lung perfusion distribution between inspiratory breath-hold and expiratory breath-hold phases using the saline indicator method combined with electrical impedance tomography (EIT).
- Conditions
- Lung Perfusion, Respiratory Physiology, Electrical Impedance Tomography, Ventilation-Perfusion Mismatch
- Trial name
- NCT07303972
- Testing
- Electrical Impedance Tomography Saline Indicator Procedure, Electrical Impedance Tomography Device
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Obesity (Disorder), Ventilation Homogeneity
Positional Effects on Lung Ventilation and Perfusion in Obesity
Electrical Impedance Tomography (EIT) is a non-invasive, bedside monitoring tool that provides real-time information on regional ventilation and perfusion.
- Conditions
- Obesity (Disorder), Ventilation Homogeneity, Perfusion, Ventilation Perfusion Mismatch
- Trial name
- NCT07341113
- Testing
- Standardized body positioning
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Koç University
Post-Acute COVID-19, Post COVID-19 Condition
Ventilatory and Perfusion Abnormalities in Individuals With Post-Acute Sequelae of SARS-CoV-2 Infection
Prospective cohort study to evaluate the utility of quantitative CT analysis to assess ventilation and perfusion defects in patients with Post-acute Sequelae of SARS-CoV-2 (PASC) and functional limitations
- Conditions
- Post-Acute COVID-19, Post COVID-19 Condition, Post Viral Fatigue, Dyspnea
- Trial name
- PASC VQ (NCT05866952)
- Testing
- Computed Tomography of the Chest
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tufts Medical Center