Cardiac Diseases Clinical Trial
Official title:
Ultrapower, an In-house Developed System for Instantaneous Logging of Ultrasound Based Blood Flow, Blood Pressure and ECG.
NCT number | NCT02727634 |
Other study ID # | 2016/49 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | June 2016 |
Est. completion date | December 2016 |
Verified date | March 2019 |
Source | Norwegian University of Science and Technology |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The heart is essentially a hydraulic pump which ensures adequate delivery of blood through generating pressure and forward flow of blood. The energy delivered by the heart is uncommonly measured clinically, and todays gold standard involves placing a plastic catheter into the lung arteries. The investigators have developed an ultrasound based approach to calculate this energy without the need for catheters through the heart. This novel approach is called ultrapower. Ultrapower involves the instantaneous multiplication of the cardiac output and the arterial blood pressure. The study aims to use the ultrasound based approach to investigate Cardiac Power in the coronary artery bypass graft population.
Status | Completed |
Enrollment | 28 |
Est. completion date | December 2016 |
Est. primary completion date | December 2016 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: • coronary artery bypass graft operation Exclusion Criteria: - Lack of informed consent - Previous aortic valve replacement - Inadequate Doppler signal on transthoracic echocardiography |
Country | Name | City | State |
---|---|---|---|
Norway | Department of cardiothoracic surgery | Trondheim |
Lead Sponsor | Collaborator |
---|---|
Norwegian University of Science and Technology | St. Olavs Hospital |
Norway,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The hearts energy delivery per second measured in watts (Cardiac Power), using two established methods and the ultrapower method | Measured both as ultrapower and cardiac power output, both measured in watts and method of measurement described in intervention section | Immediately preoperatively | |
Primary | The hearts energy delivery per second measured in watts (Cardiac Power), using two established methods and the ultrapower method | approximately 1 hour post operatively | ||
Primary | The hearts energy delivery per second measured in watts (Cardiac Power), using two established methods and the ultrapower method | 1 day after operation |
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