Heart Failure Clinical Trial
Official title:
Noninvasive, Subharmonic Intra-Cardiac Pressure Measurement
Verified date | July 2019 |
Source | Thomas Jefferson University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The fundamental hypothesis of this project is that real-time intracardiac pressures can be monitored and quantified noninvasively in humans using a novel contrast-enhanced ultrasound technique called subharmonic-aided pressure estimation (SHAPE).This study will use contrast echocardiography to assess the accuracy of SHAPE compared to simultaneously acquired intracardiac pressures measured invasively during cardiac catheterization. This study is designed to verify that contrast echocardiography using the SHAPE method, already proven in a canine model and tested in a human pilot study can be used as a surrogate for cardiac catheterization with sufficient accuracy to allow clinical applicability in humans.
Status | Completed |
Enrollment | 56 |
Est. completion date | June 26, 2019 |
Est. primary completion date | June 26, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 21 Years and older |
Eligibility |
Inclusion Criteria: - Be scheduled for a cardiac catheterization procedure - Adult patients over the age of 21 - Acceptable baseline echocardiographic images in the supine position - If a female of child-bearing potential, must have a negative pregnancy test - Provide written informed consent Exclusion Criteria: - Clinically unstable patients, e.g., those who are clinically in decompensated heart failure or having active chest pain or presenting for admission with an unstable anginal syndrome - Patients in whom introduction of a catheter into the left ventricle is contraindicated or would potentially be dangerous, e.g., patients with active ventricular arrhythmias or with significant aortic valve stenosis where crossing the aortic valve may be difficult and not clinically necessary - Patients with anatomic right-to-left, bi-directional, or transient right-to-left cardiac shunts where Definity could traverse as a bolus - Patients with known hypersensitivity to Definity - Females who are pregnant or nursing |
Country | Name | City | State |
---|---|---|---|
United States | Thomas Jefferson University and Thomas Jefferson University Hospital | Philadelphia | Pennsylvania |
Lead Sponsor | Collaborator |
---|---|
Thomas Jefferson University | American Heart Association, Lantheus Medical Imaging |
United States,
Dave JK, Halldorsdottir VG, Eisenbrey JR, Forsberg F. Processing of subharmonic signals from ultrasound contrast agents to determine ambient pressures. Ultrason Imaging. 2012 Apr;34(2):81-92. — View Citation
Dave JK, Halldorsdottir VG, Eisenbrey JR, Liu JB, McDonald ME, Dickie K, Leung C, Forsberg F. Noninvasive estimation of dynamic pressures in vitro and in vivo using the subharmonic response from microbubbles. IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Oct;58(10):2056-66. doi: 10.1109/TUFFC.2011.2056. — View Citation
Dave JK, Halldorsdottir VG, Eisenbrey JR, Merton DA, Liu JB, Machado P, Zhao H, Park S, Dianis S, Chalek CL, Thomenius KE, Brown DB, Forsberg F. On the implementation of an automated acoustic output optimization algorithm for subharmonic aided pressure estimation. Ultrasonics. 2013 Apr;53(4):880-8. doi: 10.1016/j.ultras.2012.12.010. Epub 2013 Jan 2. — View Citation
Dave JK, Halldorsdottir VG, Eisenbrey JR, Raichlen JS, Liu JB, McDonald ME, Dickie K, Wang S, Leung C, Forsberg F. Noninvasive LV pressure estimation using subharmonic emissions from microbubbles. JACC Cardiovasc Imaging. 2012 Jan;5(1):87-92. doi: 10.1016/j.jcmg.2011.08.017. — View Citation
Dave JK, Halldorsdottir VG, Eisenbrey JR, Raichlen JS, Liu JB, McDonald ME, Dickie K, Wang S, Leung C, Forsberg F. Subharmonic microbubble emissions for noninvasively tracking right ventricular pressures. Am J Physiol Heart Circ Physiol. 2012 Jul;303(1):H126-32. doi: 10.1152/ajpheart.00560.2011. Epub 2012 May 4. — View Citation
Eisenbrey JR, Dave JK, Halldorsdottir VG, Merton DA, Miller C, Gonzalez JM, Machado P, Park S, Dianis S, Chalek CL, Kim CE, Baliff JP, Thomenius KE, Brown DB, Navarro V, Forsberg F. Chronic liver disease: noninvasive subharmonic aided pressure estimation of hepatic venous pressure gradient. Radiology. 2013 Aug;268(2):581-8. doi: 10.1148/radiol.13121769. Epub 2013 Mar 22. — View Citation
Forsberg F, Liu JB, Shi WT, Furuse J, Shimizu M, Goldberg BB. In vivo pressure estimation using subharmonic contrast microbubble signals: proof of concept. IEEE Trans Ultrason Ferroelectr Freq Control. 2005 Apr;52(4):581-3. — View Citation
Halldorsdottir VG, Dave JK, Eisenbrey JR, Machado P, Zhao H, Liu JB, Merton DA, Forsberg F. Subharmonic aided pressure estimation for monitoring interstitial fluid pressure in tumours--in vitro and in vivo proof of concept. Ultrasonics. 2014 Sep;54(7):1938-44. doi: 10.1016/j.ultras.2014.04.022. Epub 2014 May 6. — View Citation
Halldorsdottir VG, Dave JK, Leodore LM, Eisenbrey JR, Park S, Hall AL, Thomenius K, Forsberg F. Subharmonic contrast microbubble signals for noninvasive pressure estimation under static and dynamic flow conditions. Ultrason Imaging. 2011 Jul;33(3):153-64. — View Citation
Shi WT, Forsberg F, Raichlen JS, Needleman L, Goldberg BB. Pressure dependence of subharmonic signals from contrast microbubbles. Ultrasound Med Biol. 1999 Feb;25(2):275-83. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Agreement between SHAPE and pressure catheter measurements | Correlation | up to 1 day | |
Primary | Error between SHAPE and pressure catheter measurements | ANOVA/Post-hoc comparisons | up to 1 day |
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