Clinical trials: Electric Impedance
Pulmonary Embolism
Comparing Electrical Impedance Tomography to Computed Tomographic Angiography
The study aim is to determine whether electrical impedance tomography (EIT) is equivalent in the detection of pulmomary emboli compared to Computed Tomographic Angiography (CTA).
- Trial name
- NCT05546333
- Testing
- Electrical impedance tomography
- Where
- United States
- Volunteers
- 63 people
- Sponsor
- Colorado State University
Acute Respiratory Failure (ARF), Hypertension
EIT Evaluation of Different Antihypertensive Agents on the Ventilation-Perfusion Ratio in Patients With Acute Respiratory Failure
This prospective, single-center interventional study aims to evaluate the effect of two commonly used intravenous antihypertensive agents - nicardipine and nitroglycerin - on lung ventilation-perfusion (V/Q) distribution in…
- Conditions
- Acute Respiratory Failure (ARF), Hypertension, Pulmonary Perfusion Imbalance, Aortic Dissection (Subset)
- Trial name
- NCT07603037
- Testing
- Nitroglycerin, Nicardipine
- Where
- China
- Volunteers
- 12 people
- Sponsor
- First Affiliated Hospital of Wannan Medical College
Cystic Fibrosis, Healthy
Real-Time Assessment of Lung Structure and Function in Children and Young Adults With CF Using Electrical Impedance Tomography
The purpose of this study is to determine the ability of electrical impedance tomography (EIT) to identify structural and functional physiological changes that occur with disease progression in cystic fibrosis patients.
- Trial name
- NCT05455671
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Pulmonary Embolism Acute
Pulsatile Electrical Impedance Tomography for Diagnosis and Monitoring of Acute Pulmonary Embolism
This multicenter observational diagnostic study aims to evaluate pulsatile electrical impedance tomography (EIT) for the diagnosis and monitoring of acute pulmonary embolism.
- Trial name
- EIT-PE (NCT07724197)
- Testing
- Pulsatile Electrical Impedance Tomography
- Where
- 4 sites in China
- Volunteers
- 275 people, healthy volunteers welcome
- Sponsor
- Beijing Tsinghua Chang Gung Hospital
Cardiomyopathies, Ventricular Dysfunction
Measuring Electrical Resistance of Different Tissues on the Outer Surface of the Heart
This is a research study to evaluate the electrical properties of heart tissue. The purpose of this study is to determine the impedance (electrical resistance) of different tissues on the outer surface of the heart.
- Conditions
- Cardiomyopathies, Ventricular Dysfunction, Myocardial Infarction, Arrhythmia
- Trial name
- NCT00291174
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- University of Pennsylvania
Acute Lung Injury (ALI), ARDS
Electrical Impedance Tomography (EIT) Monitoring in Adults With ALI or ARDS
Electrical impedance tomography (EIT) monitoring has been researched as a method to determine the spatial impedance distribution in a body cross section, but has yet to become an established clinical tool.
- Trial name
- NCT01272882
- Testing
- Electrical Impedance Tomography monitoring
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Christiana Care Health Services
Acute Hypoxemic Respiratory Failure, Acute Respiratory Distress Syndrome
Inflammation and Distribution of Pulmonary Ventilation Before and After Tracheal Intubation in ARDS Patients
Spontaneous breathing efforts in patients with respiratory failure connected to mechanical ventilation, has been associated with strong respiratory muscles activity.
- Trial name
- NCT03513809
- Testing
- Thoracic electrical impedance tomography
- Where
- Chile
- Volunteers
- 40 people
- Sponsor
- Pontificia Universidad Catolica de Chile
Hypoxic Respiratory Failure
Lung Ultrasound, PEEP and Overdistension (LUPO)
The investigators suppose that lung sliding could be reduced in the same lung region moving from less ventilated to overinflated condition.
- Trial name
- LUPO (NCT04648657)
- Testing
- Lung Ultrasound, Electric impedance tomography
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- University of Padova
Acute Respiratory Failure, ARDS
V/Q Matching in Pressure Support Ventilation
The aim of this study is to describe the effects of different levels of pressure support on ventilation-perfusion matching in patients recovering from ARDS, using electrical impedance tomography.
- Conditions
- Acute Respiratory Failure, ARDS, Electrical Impedance Tomography
- Trial name
- NCT05781802
- Testing
- Level of pressure support
- Where
- Italy
- Volunteers
- 15 people
- Sponsor
- Azienda Ospedaliera Universitaria Policlinico Paolo Giaccone Palermo
Acute Respiratory Failure, Electrical Impedance Tomography (EIT)
Predicting High-Flow Nasal Oxygen Failure Within 72 Hours Using a Physiology-Informed Dual-Domain Model at 30 Minutes
This is a single-center, ambispective observational cohort study of adults with acute hypoxemic respiratory failure (AHRF) receiving high-flow nasal oxygen (HFNO) as initial respiratory support. The study includes three stages.
- Conditions
- Acute Respiratory Failure, Electrical Impedance Tomography (EIT), High-Flow Nasal Oxygen Therapy
- Trial name
- EFI-HFNO (NCT07366541)
- Testing
- High-Flow Nasal Oxygen Therapy, Electrical Impedance Tomography Monitoring
- Where
- China
- Volunteers
- 115 people
- Sponsor
- Ruijin Hospital
ARDS
Eit in ArdS for Tcav Setting (EAST Study)
Acute respiratory distress syndrome (ARDS) is a severe form of acute respiratory failure. The therapeutic management is currently based on the treatment of the cause of ARDS, and on mechanical ventilation with positive expiratory…
- Trial name
- EAST (NCT06408272)
- Where
- France
- Volunteers
- 12 people
- Sponsor
- Central Hospital, Nancy, France
Surgery, One-lung Ventilation
Esophageal Pressure Measurements During One-lung Ventilation
The investigators will assess the feasibility and validity of esophageal pressure measurements during one-lung ventilation in the lateral position for surgery by comparing to lung collapse estimated from electrical impedance…
- Trial name
- NCT04725318
- Testing
- One-lung ventilation
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Beth Israel Deaconess Medical Center
Hypersecretive Mechanically Ventilated Patients
Evaluating the Short-term Efficacy of Two Oscillation Techniques in Hypersecretive Mechanically Ventilated Patients
Although mechanical ventilation (MV) is life-saving, it is associated with several complications. The establishment of an artificial airway impairs the cough reflex and mucociliary function, leading to the accumulation of…
- Trial name
- NCT06675942
- Testing
- Oscillation and Lung Expansion, High-frequency chest wall oscillation
- Where
- China
- Volunteers
- 24 people
- Sponsor
- Capital Medical University
Electrical Impedance Tomography, ARDS
Monitorings the Physiological Mechanism of Airway Pressure Release Ventilation in ARDS Patients by EIT
Effects of airway pressure release ventilation on pulmonary ventilation, shunt and perfusion in patients with ARDS
- Trial name
- NCT05406427
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Prone Position, Acute Respiratory Distress Syndrome
Prone Position With Different Types of Cushions in Patients With ARDS
The prone maneuver is a well-established therapy in ARDS. Traditionally, the maneuver is perform with thoraco-abdominal cushions.
- Trial name
- PronEIT (NCT06184490)
- Testing
- Prone position with thoraco-abdominal cushion
- Where
- Brazil
- Volunteers
- 12 people
- Sponsor
- Hospital de Clinicas de Porto Alegre
Hypertension
Bioimpedance and Arterial Distension
The overall objectives were to investigate if characteristic dimensions for tissue and vessels determined from measured bioimpedance spectra would provide the same values as dimensions determined from MR images of the upper arm…
- Trial name
- SenseC1 (NCT01622842)
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Sense A/S
COPD
Heterogeneity of Lung Ventilation Determined by EIT During PFT in Patients With PRISM
To evaluate the demographic characteristics of PRISm population in patients with pulmonary function tests recommended by outpatient physicians.
- Trial name
- NCT06199258
- Testing
- pulmonary function test
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Sir Run Run Shaw Hospital
Atelectasis
Impact of High Versus Lower Oxygen Fraction Prior to Extubation on Postoperative Pulmonary Atelectasis Measured With EIT
Patients undergoing general anesthesia require mechanical ventilation (artificial delivery of air and oxygen to their lungs). It is well known that during mechanical ventilation, so-called atelectasis formation occurs.
- Trial name
- RESPIRA-EIT (NCT06538740)
- Testing
- Ventilating the patient with lower (40 or 70%) oxygen concentration during the wash out phase, before extubation
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Beth Israel Deaconess Medical Center
Parkinson Disease (PD)
Synthetic Vasomotion for Glymphatic Enhancement
The goal of this pilot clinical trial is to learn whether a week-long study combining controlled breathing procedures, intermittent exposure to a low-concentration carbon dioxide gas mixture, and noninvasive vagus nerve…
- Trial name
- NCT07814534
- Testing
- Active noninvasive vagus nerve stimulation, Active intermittent hypercapnia, Guided breathing
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Florida Institute for Human and Machine Cognition
Bariatric Surgery, Obesity
Acute Effect of EPAP and Noninvasive Ventilation on Pulmonary Function and Lung Regional Ventilation on Bariatric Surgery
Obesity is a non-communicable chronic disease of multifactorial, involving biological, historical, ecological, economic, social, cultural and political.
- Conditions
- Bariatric Surgery, Obesity, Physical Therapy Modalities
- Trial name
- NCT02577744
- Testing
- Noninvasive Ventilation, Expiratory Positive Air Pressure
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Universidade Federal de Pernambuco