Related Experiment Videos
Pulmonary function after modified venovenous ultrafiltration in infants: a prospective, randomized trial
H T Keenan1, R Thiagarajan, K E Stephens
1Department of Pediatrics, Division of Critical Care, University of North Carolina, Chapel Hill, NC 27599-7200, USA. hkeenan@med.unc.edu
The Journal of Thoracic and Cardiovascular Surgery
|March 1, 2000
Summary
Modified ultrafiltration temporarily improves infant pulmonary compliance after heart surgery. However, these benefits are short-lived and do not impact ventilation duration or intensive care unit stay.
Area of Science:
- Pediatric Cardiology
- Cardiovascular Surgery
- Critical Care Medicine
Background:
- Congenital heart disease necessitates cardiopulmonary bypass (CPB) in infants.
- CPB can negatively impact pulmonary function, including compliance.
- Optimizing pulmonary compliance post-CPB is crucial for infant recovery.
Purpose of the Study:
- To evaluate the impact of modified venovenous ultrafiltration (MUF) on pulmonary compliance in infants following CPB.
- To determine if MUF influences clinical outcomes such as ventilation time and intensive care unit (ICU) length of stay.
Main Methods:
- A prospective randomized controlled trial involving 38 infants undergoing their first congenital heart surgery.
- Infants were assigned to either MUF or a control group post-CPB.
- Pulmonary compliance (static and dynamic) was measured at multiple time points; ventilation duration and ICU stay were recorded.
Main Results:
- MUF demonstrated a statistically significant immediate improvement in both dynamic and static pulmonary compliance.
- No significant differences in pulmonary compliance were observed between MUF and control groups at later time points (post-operation, 24 hours).
- There were no significant differences in time to extubation or ICU length of stay between the groups.
Conclusions:
- Modified venovenous ultrafiltration transiently enhances pulmonary compliance in infants after CPB.
- The observed improvements in pulmonary compliance are not sustained beyond the immediate post-procedure period.
- MUF did not translate to reduced mechanical ventilation duration or shorter ICU stays in this infant population.