Clinical trials: Impedance
Heart Transplant Failure and Rejection
Bioelectrical Impedance Spectroscopy in Heart Transplantation: Tracking Post-Transplant Changes in Body Composition and Correlation With Conventional Preoperative Risk Assessment Modalities
Patients with marginal physiologic reserve, severe frailty, and/or malnutrition may be regarded as unsuitable candidates for advanced cardiac replacement therapies.
- Trial name
- BIS (NCT03373279)
- Where
- United States
- Volunteers
- 69 people
- Sponsor
- Baylor Research Institute
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
Respiratory Failure
Awake Prone Position to Reduce Ventilation Inhomogeneity in COVID-19 Acute Respiratory Failure
Evaluation of awake prone position on ventilation inhomogeneity in COVID-19 associated respiratory failure.
- Trial name
- ProneSpontCov (NCT04632602)
- Testing
- physiological effects of awake prone position in COVID 19 patients
- Where
- France
- Volunteers
- 20 people
- Sponsor
- Assistance Publique Hopitaux De Marseille
Gastroesophageal Reflux
Role of Mucosal Impedance Measurement for the Diagnosis of Gastroesophageal Reflux Disease
Existing current tests for diagnosing GERD are suboptimal because they lack adequate sensitivity or specificity. Upper gastrointestinal endoscopy is highly specific for diagnosing GERD, particularly when erosive esophagitis is…
- Trial name
- NCT06339801
- Testing
- MiVu
- Where
- Argentina
- Volunteers
- 100 people
- Sponsor
- Hospital de Clinicas José de San Martín
ARDS, Human
Optimal PEEP Titration Combining Transpulmonary Pressure Measurement and Electric Impedance Tomography
Diagnosis and treatment of the hypoxic respiratory failure induced by severe atelectasis with the background of acute lung injury is challenging for the intensive care physicians.
- Trial name
- NCT04174014
- Testing
- Recruitment manoeuvre
- Where
- Hungary
- Volunteers
- 10 people
- Sponsor
- Kiskunhalas Semmelweis Hospital the Teaching Hospital of the University of Szeged
Morbid Obesity, Hiatal Hernia
Laparoscopic Sleeve Gastrectomy With or Without Hiatal Hernia Repair in Morbidly Obese Patients
Background: Obesity and hiatal hernia are both risk factors of gastroesophageal reflux disease (GERD), and the incidence of hiatal hernia is much higher in morbidly obese patients.
- Conditions
- Morbid Obesity, Hiatal Hernia, Gastroesophageal Reflux Disease, Sleeve Gastrectomy
- Trial name
- NCT03776669
- Testing
- Laparoscopic sleeve gastrectomy + Hiatal hernia repair, Laparoscopic sleeve gastrectomy alone
- Where
- Taiwan
- Volunteers
- 70 people
- Sponsor
- National Taiwan University Hospital
Intensive Care Units
Immediate Effects of Automatic Lateralization in Critically Ill Patients
New devices have been used in intensive care to optimize respiratory function in critically ill patients, such as automatic lateralization therapy.
- Trial name
- NCT07087600
- Testing
- Automatic lateralization therapy, Supine Positioning
- Where
- Brazil
- Volunteers
- 10 people
- Sponsor
- University of Pernambuco
Shock, Acute Respiratory Distress Syndrome
Correlation Between EIT-based Pulse Wave Method for Pulmonary Perfusion Monitoring and Pulmonary Artery Catheter-based Stroke Volume Measurement
The goal of this clinical study is to learn if a new, non-invasive monitoring method called EIT Pulse Wave can accurately measure blood flow to the lungs (pulmonary perfusion) and predict heart stroke volume (SV) in critically…
- Trial name
- EIT-Cath Corre (NCT07385963)
- Testing
- Synchronous Data Acquisition of EIT and Pulmonary Artery Catheter
- Where
- China
- Volunteers
- 19 people
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Chronic Kidney Diseases
Clinical and Bioelectrical Impedance Profiles in Children With CKD
This cross-sectional study aims to assess body composition and hydration status using bioelectrical impedance analysis in children with chronic kidney disease.
- Trial name
- NCT07859371
- Volunteers
- 100 people
- Sponsor
- Assiut University
Anesthesia
Bariatric Electrical Impedance Tomography
This study investigates under controlled conditions the variation of poorly ventilated lung units (silent spaces) in obese patients scheduled for laparoscopic bariatric surgery in the perioperative phase.
- Trial name
- NCT05187039
- Testing
- Electrical impedance tomography during anesthesia
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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)
Respiratory Physiological Phenomena
Assessment of Regional Lung Ventilation Distribution During Supraglottic and Subglottic Jet Ventilation by EIT.
Objective: To estimate regional lung volume changes by electrical impedance tomography (EIT) during supra- and subglottic jet ventilation via the jet laryngoscope and LaserJet catheter for performing laryngotracheal surgery.
- Trial name
- NCT03973294
- Testing
- EIT-measurement
- Where
- Austria
- Volunteers
- 30 people
- Sponsor
- Medical University of Vienna
Heart Failure
Clinical Usefulness and Efficacy of Intrathoracic Impedance Monitoring Using the OptiVol Patient Alert(TM)
In this study we investigate the clinical value and efficacy of OptiVol (TM) impedance measurements by Medtronic (R) ICD's. We aim to determine sensitivity and positive predictive value for detecting heart failure.
- Trial name
- NCT00488501
- Where
- Netherlands
- Volunteers
- 29 people
- Sponsor
- Catharina Ziekenhuis Eindhoven
Obstetric Anal Sphincter Injury, Delivery Complication
Detection of Obstetric Anal Sphincter Injuries With ONIRY Device
The main purpose of the study is to confirm the clinical performance and safety of impedance spectroscopy using the ONIRY device for the detection of anal sphincter injuries arising from vaginal deliveries.
- Conditions
- Obstetric Anal Sphincter Injury, Delivery Complication, Obstetric Complication
- Trial name
- NCT04903977
- Testing
- Laboratory tests: blood and faeces tests, Gynaecological and proctological examinations, 3-D Endoanal Ultrasound
- Where
- 5 sites in Czechia, Poland and 2 more
- Volunteers
- 152 people, healthy volunteers welcome
- Sponsor
- OASIS Diagnostics S.A.
Brain Electrical Impedance;, Non-invasive Intracranial Pressure
Comparison of the Application in Traumatic Brain Edema Between EIT and Non-invasive ICP Monitoring
Brain edema is the main reason for the disability and lethality in traumatic brain injury, which is the most difficult part of emergency rescue. Recently, there is no medical equipment to monitor the early brain edema in clinic.
- Trial name
- EIT (NCT02027857)
- Testing
- EIT monitoring, non-invasive ICP monitoring
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Xijing Hospital
Heart Failure
Lung Impedance Monitoring In Treatment of Chronic Heart Failure
Heart failure is a major clinical problem that is increasing in magnitude and the cost of management of heart failure is escalating.
- Trial name
- LIMIT-CHF (NCT01320007)
- Testing
- Preset increase in frusemide dose, No intervention
- Where
- United Kingdom
- Volunteers
- 80 people
- Sponsor
- Barts & The London NHS Trust
Metastatic Liver Cancer, Secondary Liver Cancer
Study Comparing Radio Frequency Ablation Plus Chemotherapy and Chemotherapy Alone in Patients With Secondary Liver Metastases
The purpose of this study is to determine whether patients treated with Radiofrequency Ablation (RFA) in conjunction with chemotherapy have a better overall survival rate than patients treated with chemotherapy alone.
- Conditions
- Metastatic Liver Cancer, Secondary Liver Cancer, Liver Neoplasm
- Trial name
- Prometheus (NCT00510627)
- Testing
- Radiofrequency Ablation (RFA), Chemotherapy
- Where
- 2 sites in United States
- Sponsor
- Boston Scientific Corporation
Lung Cancer (Diagnosis)
The Effects of Low-Intensity Endurance Exercise on Improving Fatigue, Sleep, Quality of Life, Mitochondrial Function, Cellular Bioelectrical Impedance Phase Angle, and Predictors of Exercise Adherence in Patients With Lung Cancer
To conduct a randomized controlled trial (RCT) targeting lung cancer patients with cancer-related fatigue to achieve the following objectives: Objective 1: To investigate whether a low-intensity endurance exercise intervention…
- Trial name
- NCT07795580
- Testing
- Low-Intensity Continuous Endurance Exercise Training, Low-Intensity Interval Endurance Exercise Training
- Where
- Taiwan
- Volunteers
- 450 people
- Sponsor
- Taipei Medical University
Atelectasis
Comparing the Effectiveness of Lung Expansion Therapy in Adult Human Subjects
The purpose of this study is to better understand how air is spread throughout study participants' lungs after abdominal surgery by comparing two lung inflation treatments: 1. Incentive Spirometry (I.S.) lung expansion therapy 2.
- Trial name
- NCT02892773
- Testing
- Incentive Spirometry, EzPAP® Positive Airway Pressure
- Where
- United States
- Volunteers
- 112 people
- Sponsor
- University of Virginia
GERD, Apnea Neonatal
Effects of Vented Base Feeding Bottle in Preterm Infants With GERD Symptoms.
Aim of the study is to evaluate the effects of vented base bottles on respiration-swallow patterns and on gastroesophageal refluxes in preterm infants with clinical suspect of gastroesophageal reflux disease (GERD).
- Trial name
- FeedGERD (NCT03031288)
- Testing
- A, B
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- University of Turin, Italy