Comparison of Techniques for Assessing Cardiac Output and Preload in Critically Ill Pediatric Patients
| Status: | Completed |
|---|---|
| Conditions: | Cardiology, Hospital |
| Therapuetic Areas: | Cardiology / Vascular Diseases, Other |
| Healthy: | No |
| Age Range: | Any - 16 |
| Updated: | 4/2/2016 |
| Start Date: | January 2009 |
| End Date: | May 2013 |
| Contact: | Karen Powers, MD |
| Email: | Karen_Powers@URMC.Rochester.edu |
| Phone: | 585-275-8138 |
The ability to measure cardiac output (CO) accurately and reproducibly at frequent intervals
remains elusive to the clinician caring for critically ill pediatric patients even though a
large proportion of these children are known to have hemodynamic compromise as a result of
their illness. Current techniques used in adults to measure CO are not suitable for routine
use with pediatric patients. A new ultrasound dilution approach provides an opportunity to
measure cardiac output and blood volumes in pediatric patients. The main aim of this study
is to compare CO measured by the new method with the clinician's estimate and implied CO
from the measurement of the arteriovenous oxygen content difference.
remains elusive to the clinician caring for critically ill pediatric patients even though a
large proportion of these children are known to have hemodynamic compromise as a result of
their illness. Current techniques used in adults to measure CO are not suitable for routine
use with pediatric patients. A new ultrasound dilution approach provides an opportunity to
measure cardiac output and blood volumes in pediatric patients. The main aim of this study
is to compare CO measured by the new method with the clinician's estimate and implied CO
from the measurement of the arteriovenous oxygen content difference.
Inclusion Criteria:
- Patients with in situ central venous and arterial catheters
- Ability to draw blood from arterial and central venous catheters
- Presence of parent or guardian to provide consent
Exclusion Criteria:
- Patients over 16 years of age.
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