Clinical trials: Impedance
Endothelial Dysfunction, Acute Myocardial Infarction (AMI)
Validation of Cor-IS Impedance Spectroscopy Against Ultrasound Flow-Mediated Dilation
This prospective observational study evaluated the Cor-IS bioelectrical impedance spectroscopy technique for the assessment of endothelial function by comparison with ultrasound-based brachial artery flow-mediated dilation (FMD).
- Conditions
- Endothelial Dysfunction, Acute Myocardial Infarction (AMI), Cardiovascular Risk Factors (e.g., Hypertension), Flow Mediated Dilation
- Trial name
- NCT07882550
- Testing
- Cor-IS FMD, Ultrasound FMD
- Where
- Greece
- Volunteers
- 208 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Lipedema, Obesity
Comparison of Segmental Body Composition Characteristics in Lipedema and Obesity
The aim of this study is to compare the total and regional body composition characteristics of women with lipedema and women without lipedema who are matched for age and body mass index, as determined by the TANITA MC-580…
- Conditions
- Lipedema, Obesity, Body Mass Index, Bioelectrical Impedance Analysis
- Trial name
- NCT07878299
- Testing
- Bioelectrical Impedance Analysis, Numeric Rating Scale, Lower Extremity Functional Scale
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey
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
Diabetic Foot Ulcers (DFU), Nutrition Assessment
Nutritional Status in Adults With Diabetic Foot Ulcers
This feasibility and pilot study has two aims. The primary aim is to assess the feasibility of collecting clinical, nutritional, and functional data among adults with diabetic foot ulcers (DFUs) who are treated at an outpatient…
- Conditions
- Diabetic Foot Ulcers (DFU), Nutrition Assessment, Malnutrition (Calorie), Ulcer Foot
- Trial name
- NutriDFU-P (NCT07621770)
- Testing
- Protein supplementation and nutrition education
- Volunteers
- 30 people
- Sponsor
- Hvidovre University Hospital
COPD, Non Invasive Ventilation (NIV)
The Feasibility of Electrical Impedance Tomography to Guide Non-invasive Respiratory Interventions in Chronic Respiratory Disease
This study aims to use Electrical Impedance Tomography (EIT) to optimise breathing machines for people with problems with their breathing. This might improve their ability to use their breathing machine.
- Conditions
- COPD, Non Invasive Ventilation (NIV), Obesity, Neuromuscular Disability
- Trial name
- EIT-Guide (NCT07810283)
- Testing
- electrical impedance tomography
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- Royal Free Hospital NHS Foundation Trust
Infertility (IVF Patients), BMI
BMI Versus Body Fat Percentage - Which is the Better Predictor of Fertility Outcomes in IVF Cycles?
The goal of this prospective observational cohort study is to evaluate whether body composition measured using bioelectrical impedance analysis (BIA) (including measures of body fat% and visceral fat) serve as a better predictor…
- Conditions
- Infertility (IVF Patients), BMI, Bioelectrical Impedance Analysis, IVF Outcomes
- Trial name
- NCT07765368
- Testing
- Measurement of BIA (Body Fat and Visceral Fat Percentage)
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- IWK Health Centre
Infant ALL, Computed Tomography
Comparison of Computertomography Scan, Electrical Impedance Tomography, and Ultrasound of the Lung in Infants
The study focuses on regional lung examination, in particular on the differentiation between collapsed and hyperinflated lung areas.
- Conditions
- Infant ALL, Computed Tomography, Electric Impedance, Ultrasonography
- Trial name
- NCT04989439
- Testing
- Electrical impedance tomography and ultrasonography of the lung
- Where
- Austria
- Volunteers
- 10 people
- Sponsor
- Medical University of Vienna
Electrical Impedance Tomography
PEEP Titration Guided by Electrical Impedance Tomography in Laparoscopic Surgery The PEaRL Study
Background: Laparoscopic surgery has gained widespread adoption due to its minimally invasive nature, offering advantages such as reduced postoperative pain, shorter hospitalization, and faster functional recovery compared with…
- Trial name
- PEaRL (NCT07289113)
- Testing
- A PEEP trial performed with the PulmoVista® 500 (Dräger, Lübeck, Germany) is a procedure designed to identify the optimal level of positive end-expiratory pressure
- Where
- Italy
- Volunteers
- 52 people
- Sponsor
- ASST Fatebenefratelli Sacco
Lung Protective Ventilation, Cardiopulmonary Bypass
Unilateral Ventilation on Cardiopulmonary Bypass During Cardiac Surgery
This study investigates if single lung ventilation on cardiopulmonary bypass can mitigate postoperative lung water accumulation determined by lung ultrasound in the ventilated lung as compared to the non-ventilated lung in…
- Conditions
- Lung Protective Ventilation, Cardiopulmonary Bypass, High-risk Cardiac Patients, Lung Ultrasound
- Trial name
- NCT07612709
- Testing
- Ventilated lung, Non-ventilated lung.
- Where
- Austria
- Volunteers
- 45 people
- Sponsor
- Medical University of Vienna
Impedance, Axillary Nerve Block
Assessing the Enhanced Precision: The Value of Impedance in Ultrasound-Guided Nerve Blocks (Axillary, Interscalene, Popliteal Sciatic), an Exploratory Prospective Observational Study
Impedance can have an impact on nerve block during loco-regional anesthesia, particularly when using techniques such as nerve stimulation or ultrasound guidance to locate and block specific nerves.
- Conditions
- Impedance, Axillary Nerve Block, Ultrasound-Guided Nerve Blocks, Interscalene Nerve Block
- Trial name
- NCT06620471
- Where
- Lebanon
- Volunteers
- 100 people
- Sponsor
- Lebanese American University
Laryngopharyngeal Reflux, Oesophageal pH-impedance
Benefit of Pharyngeal and Oesophageal pH-impedance of Patients With High Suspicion of Laryngopharyngeal Reflux
Laryngopharyngeal reflux (LPR) is the retrograde movement of gastric contents into the larynx, pharynx and upper aerodigestive tract. The symptoms and manifestations are very changeable and non specific.
- Trial name
- PHARO (NCT01854970)
- Testing
- esomeprazole
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Bordeaux
PreTerm Neonate, Positive End Expiratory Pressure (PEEP)
PEEP FOR LUNG RECRUITMENT IN PRETERM INFANTS-EIT STUDY
Babies born early (under 32 weeks) are at risk of developing lung problems after birth. A major reason for this is that the lungs are not fully developed.
- Conditions
- PreTerm Neonate, Positive End Expiratory Pressure (PEEP), Lung Recruitment, Electrical Impedance Tomography (EIT)
- Trial name
- [PEOPLE] (NCT06705257)
- Testing
- Studying the effects of varying levels of PEEP using Electrical impedance tomography
- Where
- United Kingdom
- Volunteers
- 30 people
- Sponsor
- South Tees Hospitals NHS Foundation Trust
Cancer, Oedema
Measuring Fluid Buildup in Cancer Patients
The goal of this study is to improve the monitoring of fluid retention in cancer patients. The main question it aims to answer is: Can segmental bioelectrical impedance analysis be used to monitor local fluid retention (edema) in…
- Conditions
- Cancer, Oedema, Bioelectrical Impedance, Lymphoedema
- Trial name
- NCT07443618
- Where
- Denmark
- Volunteers
- 46 people
- Sponsor
- Jens Rikardt Andersen
Acute Respiratory Failure, Acute Respiratory Distress Syndrome (ARDS)
The Feasibility of Pulmonary Perfusion Assessment Using Sodium Bicarbonate Contrast With Electrical Impedance Tomography: A Prospective Pilot Study
The goal of this observational pilot study is to learn if sodium bicarbonate can be used safely and effectively as a contrast agent to map lung blood flow using electrical impedance tomography (EIT) in adults on mechanical…
- Conditions
- Acute Respiratory Failure, Acute Respiratory Distress Syndrome (ARDS), Pneumonia, Critical Illness
- Trial name
- NCT07542366
- Where
- China
- Volunteers
- 41 people
- Sponsor
- First Affiliated Hospital of Wannan Medical College
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
Asthma Bronchiale, COPD
Bronchodilator Response in COPD and Asthma: Correlation Between Spirometry, IOS Indices, and Dyspnea Relief
A bronchodilator reversibility test is widely used in the diagnosis and management of obstructive lung diseases. Bronchodilators relieve symptoms in asthma and COPD.
- Conditions
- Asthma Bronchiale, COPD, Bronchodilation, Spirometry
- Trial name
- NCT07364188
- Testing
- Bronchodilator
- Volunteers
- 120 people
- Sponsor
- Allergi- og Lungeklinikken, Elsinore
ARDS (Acute Respiratory Distress Syndrome), Electrical Impedance Tomography (EIT)
Cyclic On-off Switching of Pulmonary Blood Flow in Moderate to Severe ARDS
Although the theoretical model of "cyclic on-off switching of pulmonary blood flow" provides a crucial perspective for understanding VILI, its clinical validation and real-time intervention face significant obstacles.
- Conditions
- ARDS (Acute Respiratory Distress Syndrome), Electrical Impedance Tomography (EIT), Pulmonary Perfusion
- Trial name
- NCT07327268
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Southeast University, China
Acute Respiratory Syndrome Distress, Positive End-Expiratory Pressure
EIT-Guided PEEP Optimization in Trauma and Postoperative ARDS
Acute respiratory distress syndrome (ARDS) remains a serious and often fatal complication in patients following severe trauma or major surgery.
- Conditions
- Acute Respiratory Syndrome Distress, Positive End-Expiratory Pressure, Electrical Impedance Tomography, Trauma and Postoperative Pulmonary Insufficiency
- Trial name
- EIT-PEEP-SURG (NCT07313644)
- Testing
- EIT-giuded PEEP, Control
- Where
- Vietnam
- Volunteers
- 80 people
- Sponsor
- Nguyen Dang Thu
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
Sarcopenia, Critical Illness
Prevalence of Sarcopenia in Patients Admitted to ICU and Its Progression During Hospitalization.
This is a prospective, observational study at the ICU of Hospital Mútua de Terrassa, running from May to December 2025. The primary goal is to determine the prevalence of sarcopenia in adult patients requiring more than 48 hours…
- Conditions
- Sarcopenia, Critical Illness, Intensive Care (ICU) Myopathy, Body Composition Measurement
- Trial name
- SARC-ICU (NCT07303335)
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Hospital Mutua de Terrassa