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Study of Energy Expenditure in Infants With Ventricular Septal Defects

The recruitment status of this study is unknown because the information has not been verified recently.
Verified December 2003 by National Center for Research Resources (NCRR).
Recruitment status was  Recruiting
Indiana University School of Medicine
Information provided by:
National Center for Research Resources (NCRR) Identifier:
First received: September 11, 2000
Last updated: June 23, 2005
Last verified: December 2003


I. Compare the total daily energy expenditure in infants with ventricular septal defects vs healthy control infants.

Heart Septal Defects, Ventricular

Study Type: Observational
Study Design: Observational Model: Natural History
Official Title: Study of Energy Expenditure in Infants With Ventricular Septal Defects

Resource links provided by NLM:

Further study details as provided by National Center for Research Resources (NCRR):

Estimated Enrollment: 20
Study Start Date: August 1994
Detailed Description:


Height, weight, and vital signs (including oxygen saturation by pulse oximetry) are measured on Day 1. Resting energy expenditure, oxygen consumption (VO2), carbon dioxide production (VCO2), and resting respiratory exchange quotient (RQ) are measured using open circuit respiratory calorimetry on Day 1. Patients undergo assessment of total daily energy expenditure using the doubly labeled water method comprised of oral deuterium and oral oxygen O 18 with the next scheduled feeding on Day 1. Urine samples are collected prior to isotope administration, then serially for approximately 12 hours after isotope administration on Day 1, and then daily on Days 2-7. These samples are analyzed by mass spectrometry. On Day 1, patients also undergo echocardiogram to confirm size of defect and measure the degree of pulmonary/systemic blood flow ratio and pulmonary artery pressures.


Ages Eligible for Study:   3 Months to 4 Months
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes


--Disease Characteristics--

Infants with moderate to large ventricular septal defect (VSD) by most recent echocardiogram who meet the following conditions: no other concurrent heart or lung disease; no chromosomal defects or congenital anomalies


Healthy control infants without VSD who meet the following conditions: clinically well; no heart disease; no chromosomal defects or congenital anomalies

--Prior/Concurrent Therapy--

Surgery: VSD infants -- No prior cardiac surgery or palliative procedures; VSD and control infants -- Greater than 6 weeks since other prior surgery

Other: VSD and control infants: Greater than 6 weeks since prior hospitalization

  Contacts and Locations
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Please refer to this study by its identifier: NCT00006272

United States, Indiana
Indiana University Recruiting
Indianapolis, Indiana, United States, 46202-5167
Contact: Catherine A. Leitch    317-274-4920      
Sponsors and Collaborators
Indiana University School of Medicine
Study Chair: Catherine A. Leitch Indiana University
  More Information

No publications provided Identifier: NCT00006272     History of Changes
Other Study ID Numbers: NCRR-M01RR00750-9045, IU-9607-08, IU-9511-16
Study First Received: September 11, 2000
Last Updated: June 23, 2005
Health Authority: United States: Federal Government

Keywords provided by National Center for Research Resources (NCRR):
cardiovascular and respiratory diseases
heart defects
rare disease

Additional relevant MeSH terms:
Heart Septal Defects
Heart Septal Defects, Ventricular
Cardiovascular Abnormalities
Cardiovascular Diseases
Congenital Abnormalities
Heart Defects, Congenital
Heart Diseases processed this record on March 03, 2015