Comparing ARDS in Patients with and without H1N1 Infection
Author Information
Author(s): Samra Tanvir Pawar, Mridula Yadav, Amlendu
Primary Institution: Dr. Ram Manohar Lohia Hospital, New Delhi, India
Hypothesis
What are the differences in clinical presentation and outcomes between critically ill patients with and without H1N1 infection who develop ARDS?
Conclusion
Patients with H1N1 infection were younger and had a higher incidence of refractory hypoxia and acute renal failure, with high mortality rates in both groups.
Supporting Evidence
- H1N1+ patients had a significantly lower PaO2:FiO2 ratio compared to H1N1- patients.
- The mortality rate was 77% in H1N1+ patients and 68% in H1N1- patients.
- Patients with H1N1 infection were relatively younger and had a higher incidence of acute renal failure.
Takeaway
The study looked at patients with severe lung problems caused by H1N1 and found that younger patients with H1N1 had more serious issues, but both groups had high death rates.
Methodology
The study analyzed medical charts of patients admitted to the ICU with ARDS from August 2009 to May 2010, comparing clinical data between those with and without H1N1 infection.
Potential Biases
Potential bias due to the retrospective nature of the study and the inability to isolate primary pathogens.
Limitations
The study was observational and could not evaluate the care process prior to ICU admission.
Participant Demographics
Patients included 45 with H1N1 and 61 without, with a mean age of 34.2 years for H1N1+ and 42.8 years for H1N1-.
Statistical Information
P-Value
0.005
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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