Clinical trials: Plethysmography
Limb Volume, Measuring Edema
Measuring Volume Using a 3D Scanner and iPad to Grade the Swelling of Legs
We used a new and easy-to-measure iPad 3D scanner to measure swelling in lower limbs because current technology is not easily available or affordable.
- Trial name
- NCT06944041
- Testing
- STO3 sensor (Structure Inc., Boulder, CO)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- The RANE Center for Venous and Lymphatic Diseases at St. Dominic's Hospital
Neuromuscular Diseases in Children, Respiratory Function Impaired
Respiratory Functions, Thoracoabdominal Movements and Exercise Capacity in Neuromuscular Diseases
The clinical trial titled "Investigation of Respiratory Functions, Thoracoabdominal Movements, and Exercise Capacity in Neuromuscular Diseases" aims to evaluate the respiratory functions, thoracoabdominal movements, and exercise…
- Conditions
- Neuromuscular Diseases in Children, Respiratory Function Impaired, Respiratory Insufficiency, Duchenne Muscular Dystrophy
- Trial name
- NCT06756633
- Testing
- Respiratory Function Test, Structured light plethysmography, 6 Minute Walking Test
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Lokman Hekim University
Pulmonary Ventilation
Evaluation of Chest Wall Motion Symmetry During Ventilation in Healthy Subjects by Optoelectronic Plethysmography
Pulmonary ventilation is the only macroscopically observable breathing step. The ventilatory mechanism has been extensively studied and knowledge of its operation is now well established.
- Trial name
- EVAST (NCT06774118)
- Testing
- Data collection
- Volunteers
- 100 people
- Sponsor
- Université de Reims Champagne-Ardenne
Perfusion Index, Plethysmography
Evaluation of Caudal Block and Ilioinguinal-ilioohypogastric Nerve Block Efficacy with Perfusion Index (PI)
The study is a prospective, randomised, controlled double-blind clinical trial. The primary aim was to evaluate the efficacy of caudal block and ilioinguinal-iliohypogastric nerve block with PI and PVI in pediatric inguinal…
- Conditions
- Perfusion Index, Plethysmography, Anesthesia, Caudal, Nerve Block
- Trial name
- NCT06203743
- Testing
- caudal block group, ilioinguinal-iliohypogastric nerve block group
- Where
- Turkey (Türkiye)
- Volunteers
- 102 people
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Hypoxemia, Hypoxia
Non Contact Measurement of Vital Signs
The purpose of this study is to test the accuracy of a web cam-based biomedical device developed at UVA (not FDA-approved) that is designed to measure heart rate, respiratory rate, and oxygen saturation without requiring any…
- Trial name
- NCT02287220
- Testing
- Non-Contact Oximetry
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- University of Virginia
Premature Birth
Preterm Lung Function and Exercise Response Measured by OEP
This study will explore lung function and respiratory health in school-aged children who were born prematurely at <32 weeks gestation.
- Trial name
- NCT04239287
- Testing
- Lung function + exercise tests
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Newcastle-upon-Tyne Hospitals NHS Trust
Breathing Pattern
Respiratory Pattern Change in Runners by Respiratory Tract Restriction Using a Respirator
This study involves 20 race runners (10 girls and 10 boys) aged 16-26. The investigators looked at the effect of the respirator on their respiratory function and the involvement of individual breath sectors.
- Trial name
- NCT07032740
- Testing
- Bruce test
- Where
- 2 sites in Czechia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of South Bohemia
Gestational Diabetes Mellitus
Trial of Diet in Gestational Diabetes Mellitus: Metabolic Consequences to Mother and Offspring
The rapidly rising risk of gestational diabetes pregnant women demands that an effective diet strategy be developed due to the high risk of fetal overgrowth, which places the newborn at increased risk for childhood obesity and…
- Trial name
- CHOICE (NCT02244814)
- Testing
- Low Carbohydrate/Conventional, Choosing Healthy Options in Carbohydrate Energy
- Where
- United States
- Volunteers
- 105 people
- Sponsor
- University of Colorado, Denver
Pediatric Respiratory Diseases
Structured Light Plethysmography in Obstructive Airways Disease
Obstructive airways disease is the most common group of acute illnesses leading to hospital treatment in children. This group consists of different age-related diagnoses, such as bronchiolitis in infants or wheezing and asthma in…
- Trial name
- NCT03499938
- Testing
- Structured Light Plethysmography
- Where
- United Kingdom
- Volunteers
- 57 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Pulmonary Disease
Validation of Structured Light Plethysmography
Measurements of Structured Light Plethysmography (SLP) using a chest wall movement based method will be compared to those obtained by spirometry using a flow based pneumotachograph method.
- Trial name
- SLPvsPNT (NCT02598336)
- Testing
- Structured Light Plethysmography, Pneumotachograph Spirometry
- Where
- United Kingdom
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Pregnancy
The Early and Late Contribution of Fasting and Postprandial Triglycerides on Newborn Subcutaneous and Intrahepatic Fat in Pregnancy
This study plans to learn more about how triglyceride levels in pregnancy affect newborn fat mass. Obesity in pregnancy, in the absence of gestational diabetes, is now the most common cause of large-for-gestational-age infants…
- Trial name
- NCT04394806
- Where
- United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Hypovolemia
Prediction of Fluid Responsiveness in Children Undergoing Major Surgery
The purpose of this study is to evaluate predictability of a respiratory variation in pulse oximeter plethysmography for fluid responsiveness in children undergoing major surgery.
- Trial name
- NCT02952651
- Testing
- Pulse oximeter
- Where
- South Korea
- Volunteers
- 45 people
- Sponsor
- Seoul National University Hospital
Healthy
Effects of Miconazole on Blood Flow
This study will investigate the effect of the drug miconazole on blood vessel dilation. Miconazole stops production of EDHF, a substance that causes arteries to dilate. EDHF is produced by the cells that line blood vessels.
- Trial name
- NCT00004575
- Testing
- Miconazole, L-NMMA, Bradykinin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)