Clinical trials: Impedance Test
Hearing Loss, Sensorineural, Hearing Loss, Conductive
Wide Frequency Band Test of Hearing in Veterans
The accurate assessment of auditory status is critical for planning treatment for Veterans with hearing loss to include medical and audiological management.
- Conditions
- Hearing Loss, Sensorineural, Hearing Loss, Conductive, Hearing Loss, Mixed Conductive-Sensorineural, Otosclerosis
- Trial name
- CWTBAFV (NCT02019888)
- Where
- 2 sites in United States
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Hiatus Hernia
Effects of Position and a Test Meal on Esophago-gastric Junction Morphology and Function Assessed by High-resolution Impedance Manometry (HRM)
Retrospective analysis for HRM measurements using liquid swallows and a test meal for the presence of hiatal hernia. The investigators will correlate hernia descriptions with presence of acidic reflux and clinical complaints.
- Trial name
- NCT02397616
- Testing
- high resolution esophageal manometry
- Where
- Switzerland
- Volunteers
- 380 people
- Sponsor
- University of Zurich
Chronic Lung Disease of Prematurity, Bronchopulmonary Dysplasia
Relationship Between EIT and Respiratory Status in Very Preterm Infants
Electrical Impedance Tomography (EIT) is a non-invasive imaging technique that can measure lung function in real time. This study will follow premature infants to see if EIT can help predict which infants will be successful in…
- Conditions
- Chronic Lung Disease of Prematurity, Bronchopulmonary Dysplasia, Premature Lungs
- Trial name
- NCT06609135
- Testing
- Sentec LuMon Device (EIT system), Sentec Digital Monitoring System (transcutaneous CO2 monitor)
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Lawrence Rhein
Cystic Fibrosis
Transfer Impedance in Cystic Fibrosis
This study aims to determine whether respiratory system transfer impedance (Ztr) may fill an important clinical function by providing a reproducible, valid, and sensitive measure of airway obstruction in people with CF.
- Trial name
- Ztr (NCT00743158)
- Where
- United States
- Sponsor
- Boston Children's Hospital
Allergic, Inflammatory
THREAT: Testing Harms Related to Exposure to Allergenic and Epithelial Toxins
Background: Allergic and inflammatory conditions have been increasing over the years. Many factors may play a role in this. Every day, people are exposed to pollution and chemicals in our foods, clothing, and all of the cleaning…
- Trial name
- NCT07271381
- Testing
- Environmental Exposures, Control Exposures
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Orthostatic Hypotension
Impedance Threshold Device Tilt Study
This study will see if a special piece of equipment can help burn patients who have been in bed for a long time to get out of bed without feeling dizzy or faint.
- Trial name
- NCT00137319
- Testing
- Impedance threshold device
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- United States Army Institute of Surgical Research
Preterm Birth
Clinical Grade MIS Device for Cervical Assessment to Predict Preterm Birth
Every year, globally, about 15 million babies are born preterm (before 37 weeks). This number is rising. Preterm birth (PTB) complications are the leading cause of death among children under 5 years of age, responsible for nearly…
- Trial name
- NCT04008485
- Testing
- Magnetic Electric Impedance Spectroscopy Device to predict PTB
- Where
- United Kingdom
- Volunteers
- 127 people
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Prostatic Neoplasms, PSA
Prostate Impendance Test Project
Impedance-based analysis could provide an adequate response to the need to identify a safe and reliable tool alternative to bioptic diagnosis.
- Conditions
- Prostatic Neoplasms, PSA, Prostatic Biopsy, Impedance Test
- Trial name
- PROSIT (NCT03428087)
- Where
- Italy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Pisa
Primary Ciliary Dyskinesia
Respiratory Physiotherapy Performed by Simeox In Patients With Primary Ciliary Dyskinesia
Primary ciliary dyskinesia (PCD) is characterized by impaired airway clearance and mucus stagnation. This results in recurrent upper and lower respiratory tract infections often leading to chronic inflammation and, if not treated…
- Trial name
- NCT04793724
- Testing
- Simeox, PARI O PEP
- Where
- Czechia
- Volunteers
- 30 people
- Sponsor
- University Hospital, Motol
ALS
Feasibility of an Electrical Impedance Tomography Device for Pulmonary Function Testing in ALS Patients
This is an unblinded pilot study to investigate the technical feasibility of using an electrical impedance tomography device for noninvasive pulmonary function monitoring in ALS patients.
- Trial name
- NCT05287958
- Testing
- EIT
- Where
- 2 sites in United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Extracorporeal Circulation; Complications, Coagulation Disorder
Impact of Cardiac Surgery With a Minimal Invasive Extracorporeal Circuit οn Coagulation: Data From Point of Care Devices
This study includes patients undergoing elective cardiac surgery on MiECC. Coagulation status is assessed with ROTEM (TEM International GmbH, Munich, Germany) and Platelet function with impedance aggregometry using the…
- Conditions
- Extracorporeal Circulation; Complications, Coagulation Disorder, Extracorporeal Circulation of Blood; Thrombocytopenia
- Trial name
- NCT04159064
- Testing
- Thromboelastometry, Impedance Aggregometry
- Where
- Greece
- Volunteers
- 57 people
- Sponsor
- AHEPA University Hospital
Electric Impedance, Respiratory Function Tests
Prediction of COPD Severity Using Electrical Impedance Tomography
The purpose of this study is to predict the CT visual score of emphysema with EIT-based parameters, in order to provide a non-invasive and convenient method for the evaluation of lung structure and physiological and pathological…
- Conditions
- Electric Impedance, Respiratory Function Tests, Pulmonary Disease, Chronic Obstructive
- Trial name
- NCT06359145
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Chinese PLA General Hospital
Gastroesophageal Reflux Disease (GERD), Non-erosive Reflux Disease (NERD)
Assessment of Esophageal Epithelium Integrity With Mucosal Impedance
Gastroesophageal reflux disease (GERD) is a common condition affecting more than 100 million adults in the U.S., and it significantly impacts patients' quality of life while imposing billions of dollars of direct and indirect…
- Trial name
- NCT02318862
- Testing
- Standard of Care esophagogastroduodenoscopy (EGD) with mucosal impedance testing
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Vanderbilt University Medical Center
Lung Function Decreased
Pulmonary Ventilation Heterogeneity Determined by EIT During PFT in Subjects With Normal One-second Rates
To evaluate the demographic characteristics of normal one-second rates population in patients with pulmonary function tests recommended by outpatient physicians.
- Trial name
- NCT06407986
- Testing
- pulmonary function test
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Sir Run Run Shaw Hospital
DFT Testing
50/50% Tilt and Tuned Defibrillation Waveform
Study Description The purpose of this study is to compare the defibrillation efficacy between the 50/50% tilt biphasic waveform and the Tuned biphasic waveform utilizing High Voltage Lead Integrity Check (HVLIC) impedance.
- Trial name
- NCT01325922
- Testing
- DFT Testing with a 50/50% tilt
- Sponsor
- Abbott Medical Devices
Pulmonary Disease, Chronic Obstructive, Idiopathic Pulmonary Fibrosis
Respiratory Rate Validation Study - HiCardi+ Wearable Patch Device, Mezoo Co., Ltd.
The purpose of this study is to analyze the accuracy of respiratory and breathing patterns generated through impedance changes generated by a patch-type electrocardiogram device (HiCardi+ wearable patch device, Mezoo Co., Ltd.)…
- Conditions
- Pulmonary Disease, Chronic Obstructive, Idiopathic Pulmonary Fibrosis, Asthma
- Trial name
- NCT05863091
- Testing
- HiCardi+
- Where
- South Korea
- Volunteers
- 211 people
- Sponsor
- Yonsei University
Brain Death
Electrical Impedance Tomography Measurements During Apnea Test in Patients With Suspected Brain Death
Apnea testing is the final decisive examination in the strictly regulated process of brain death assessment. There is no standardized method found in the literature for apnea testing except for the inspection of possible…
- Trial name
- NCT04857242
- Testing
- Apnea test, alveolar recruitment
- Where
- Hungary
- Volunteers
- 10 people
- Sponsor
- Kiskunhalas Semmelweis Hospital the Teaching Hospital of the University of Szeged
Inadequate; Pulmonary Function, Newborn
Use of ICON™ to Detect Hemodynamic Variables During Dexmedetomidine Sedation in Children Undergoing Pulmonary Function Test
To collect and analyze the physiologic data of the ICON™ during dexmedetomidine (DEX) sedation for neonatal pulmonary function testing.
- Trial name
- NCT03205943
- Sponsor
- Boston Children's Hospital
Asthma
Research on the Application of Electrical Impedance Tomography in Bronchial Challenge Testing
The purpose of this study was to examine whether electrical impedance tomography (EIT) was capable of identifying the deteriorated lung function on a regional level during bronchial challenge testing and whether EIT may provide…
- Trial name
- NCT06502405
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- wang kaifei
Gastroesophageal Reflux Disease, Obesity, Morbid
Determination of Change in Reflux Disease After Sleeve Gastrectomy by Intraluminal Impedance and pH-meter
710 / 5.000 Çeviri sonuçları Laparoscopic sleeve gastrectomy (LSG) has become the most common bariatric procedure in obesity. The overall relationship between sleeve gastrectomy and gastroesophageal reflux disease is still…
- Trial name
- NCT05405816
- Testing
- laparoscopic sleeve gastrectomy
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people
- Sponsor
- Fatih Sultan Mehmet Training and Research Hospital