Clinical trials: Impedance
Hematopoietic Stem Cell Transplantation, Obliterative Bronchiolitis
Respiratory Impedance and Obliterative Bronchiolitis
The aim of the present study will be to test the hypothesis that changes in within-breath total respiratory input impedance (Zrs) may provide an early evidence of obliterative bronchiolitis after allogeneic hematopoietic stem…
- Trial name
- FOT-BOS (NCT01255449)
- Testing
- albuterol
- Where
- Italy
- Volunteers
- 26 people
- Sponsor
- IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
Heart Failure, Congestive
Sensitivity of the InSync Sentry OptiVol Feature for the Prediction of Heart Failure
The SENSE-HF study is a prospective, observational, international multi-center study prospectively evaluating the sensitivity and positive predictive value of the OptiVol Fluid Trends data in predicting Heart Failure related…
- Trial name
- SENSE-HF (NCT00400985)
- Testing
- Implantable device: monitoring of intrathoracic impedance using the OptiVol diagnostic tool.
- Where
- 2 sites in Belgium, United Kingdom
- Volunteers
- 501 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Hypotension
Efficacy Study of a Facemask Device to Treat Hypotension
The purpose of this study is to determine if the impedance threshold device (ITD) attached to a facemask can increase blood pressure in patients who present to the emergency department with hypotension secondary to hypovolemia.
- Trial name
- NCT00256724
- Testing
- Impedance Threshold Device
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- Advanced Circulatory Systems
Congestive Heart Failure, Arrhythmias
T-wave Alternans and Intrathoracic Impedance Measurements
T-wave alternans is a test that is currently being used to risk stratify patients with structural heart disease for sudden cardiac death.
- Trial name
- NCT00669682
- Testing
- Congestive heart failure
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Columbia University