High MMP-8/9 Predicts Duration of Ventilation in Pediatric ARDS
Author Information
Author(s): Kong Michele Y. F., Li Yao, Oster Robert, Gaggar Amit, Clancy J. P.
Primary Institution: University of Alabama at Birmingham
Hypothesis
Increased MMP-8 and -9 activities are associated with clinical outcomes in pediatric ARDS patients.
Conclusion
Higher levels of MMP-8 and active MMP-9 at 48 hours of disease onset are linked to longer mechanical ventilation and fewer ventilator-free days in pediatric ARDS patients.
Supporting Evidence
- Active MMP-9 was elevated early in pediatric ARDS subjects compared to non-ARDS controls.
- Higher MMP-8 and active MMP-9 levels correlated with a longer course of mechanical ventilation.
- Patients with the highest number of ventilator days had the highest levels of active MMP-9.
Takeaway
Kids with severe lung problems might need to stay on breathing machines longer if they have high levels of certain proteins in their lungs.
Methodology
Tracheal aspirates were collected from 33 pediatric ARDS patients and 21 non-ARDS controls, and MMP levels were measured and correlated with clinical outcomes.
Potential Biases
Potential bias due to exclusion of patients on immunosuppressive therapy.
Limitations
The study was conducted at a single institution, which may limit the generalizability of the findings.
Participant Demographics
Participants included children aged 17 years or younger, with 33 ARDS patients and 21 non-ARDS controls.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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