- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01678066
A Prospective Study to Bilaterally Compare a Non-Invasive Cardiac Output Monitor
A Prospective Study to Bilaterally Compare a New FDA-Approved Non-Invasive Cardiac Output Monitor in Children Undergoing General Anesthesia
Study hypothesis: The Cardiotronic ICON non-invasive cardiac output monitor gives accurate information when placed on a patient's Right or Left side.
Summary: To simultaneously compare physiologic data collected from two non-invasive cardiac output monitors placed bilaterally on pediatric patients undergoing general anesthesia. The FDA approved Cardiotronic ICON non-invasive cardiac output monitor has been validated by the manufacturer in pediatric and adult patients with leads placed on the left side. However, sometimes the surgical site and/or patient position precludes placement of the monitor leads on the left side. In such situations it would be useful to know whether placement of the monitor's leads on a patient's right side gives accurate cardiac output data. We will prospectively collect, and compare, simultaneous physiologic data for all enrolled children using two monitors, one on the patient's right side and one on the patient's left side.
Study Overview
Status
Intervention / Treatment
Detailed Description
Traditionally cardiac output has been estimated with thermodilution, Fick oxygen consumption or with echocardiography. Other non-invasive techniques such as analysis of arterial wave forms and measurement of expired carbon dioxide have been attempted but with variable success. Recently a new device (Cardiotronic® EC™) has been approved by the FDA for use in children of all ages including neonates. Electrical cardiometry is a new method which can continuously estimate stroke volume and left ventricular outflow to calculate cardiac output, calculate cardiac index, as well as a variety of other parameters through quantitation of changes in impedance associated with changes in the orientation of red blood cells. During diastole red cells are organized chaotically but during systole they assume a position parallel to the direction of blood flow. Thus thoracic electrical bioimpedance relate to changes in thoracic aortic blood flow and through the use of refined algorithms non-invasive measurement of cardiac output is achieved.
The height (cm), gender, weight (kg) and age of the patient are entered into the hand-held device. Eight electrodes are applied to the neck and chest at specified locations, four per device. The device records the heart rate and averages cardiac output every 10-60 heartbeats again depending upon how the device is configured.
This is a prospective, non-randomized study to collect data from two noninvasive FDA-approved cardiac output monitors simultaneously in pediatric patients under general anesthesia in the operating room from age 1 month old to 8 years old with all types of medical conditions. We will enroll 50 male and female pediatric patients who are having lower abdominal and lower extremity surgery in this study so that the additional 8 EKG leads placed on the patients do not interfere with the surgical site or patient positioning.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Thomas A Anderson, PhD, MD
- Phone Number: 617-724-7247
- Email: tanderson9@partners.org
Study Contact Backup
- Name: Charles J Cote, MD
- Phone Number: 617-724-2250
- Email: cjcote@partners.org
Study Locations
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Massachusetts
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Boston, Massachusetts, United States, 02114
- Massachusetts General Hospital
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Contact:
- Thomas A Anderson, PhD, MD
- Phone Number: 617-724-7247
- Email: tanderson9@partners.org
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Contact:
- Charles J Cote, MD
- Phone Number: 617-724-2250
- Email: cjcote@partners.org
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- 1 month old to 8 years old.
- Lower abdominal or lower extremity surgery.
Exclusion Criteria:
- Less than 1 month old.
- Greater than 8 years old.
- Patients undergoing upper abdominal, thoracic, upper extremity, or head/neck surgery.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Bilateral cardiac output
This is a prospective, non-randomized study to collect data from two noninvasive FDA-approved cardiac output monitors simultaneously in pediatric patients under general anesthesia in the operating room from age 1 month old to 8 years old with all types of medical conditions.
We will enroll 50 male and female pediatric patients who are having lower abdominal and lower extremity surgery in this study so that the additional 8 EKG leads placed on the patients do not interfere with the surgical site or patient positioning.
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Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Bilateral cardiac output using the Cardiotronic ICON non-invasive cardiac output monitor.
Time Frame: 6 months
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To simultaneously compare physiologic data collected from two non-invasive cardiac output monitors placed bilaterally on pediatric patients undergoing general anesthesia.
The FDA approved Cardiotronic ICON non-invasive cardiac output monitor has been validated by the manufacturer in pediatric and adult patients with leads placed on the left side.
However, sometimes the surgical site and/or patient position precludes placement of the monitor leads on the left side.
In such situations it would be useful to know whether placement of the monitor's leads on a patient's right side gives accurate cardiac output data.
We will prospectively collect, and compare, simultaneous physiologic data for all enrolled children using two monitors, one on the patient's right side and one on the patient's left side.
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6 months
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Thomas A Anderson, PhD, MD, Massachusetts General Hospital
Publications and helpful links
General Publications
- Suttner S, Schollhorn T, Boldt J, Mayer J, Rohm KD, Lang K, Piper SN. Noninvasive assessment of cardiac output using thoracic electrical bioimpedance in hemodynamically stable and unstable patients after cardiac surgery: a comparison with pulmonary artery thermodilution. Intensive Care Med. 2006 Dec;32(12):2053-8. doi: 10.1007/s00134-006-0409-x. Epub 2006 Oct 13.
- Norozi K, Beck C, Osthaus WA, Wille I, Wessel A, Bertram H. Electrical velocimetry for measuring cardiac output in children with congenital heart disease. Br J Anaesth. 2008 Jan;100(1):88-94. doi: 10.1093/bja/aem320. Epub 2007 Nov 16.
- Zoremba N, Bickenbach J, Krauss B, Rossaint R, Kuhlen R, Schalte G. Comparison of electrical velocimetry and thermodilution techniques for the measurement of cardiac output. Acta Anaesthesiol Scand. 2007 Nov;51(10):1314-9. doi: 10.1111/j.1399-6576.2007.01445.x.
Study record dates
Study Major Dates
Study Start
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 2012P001561
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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