Table 1. Analytic Classification Scheme for Acute Idiopathic
Pulmonary Hemorrhage in Infants
|
Criterion A |
Criterion B |
Criterion C |
Case Status Categories |
Abrupt onset of bleeding from lower airway |
Intubated. Acute respiratory distress or respiratory failure |
CXR/CT chest: Diffuse, bilateral pulmonary infiltrates |
Clinically Confirmed-1 |
Criterion A met |
Criterion B met |
Criterion C met |
Clinically Confirmed-2 |
Criterion A met |
Criterion B met |
Unilateral pulmonary infiltrates |
Probable-1 |
Criterion A met |
In PICU with severe respiratory distress but not intubated |
Criterion C met |
Probable-2 |
a. Criterion A met |
Not in severe respiratory distress |
Criterion C met |
b. Criterion A met |
In PICU with severe respiratory distress but not intubated |
Unilateral pulmonary infiltrates |
Probable-3 |
a. Infant died, bleeding based on autopsy or post mortem findings |
Would have been intubated in the opinion of the clinician |
Criterion C met |
b. Infant died, bleeding based on autopsy or post mortem findings |
Would have been intubated in the opinion of the clinician |
Unilateral pulmonary infiltrates |
c. Criterion A met |
Criterion B met |
No pulmonary infiltrates |
Probable-4 |
a. Criterion A met |
In PICU with severe respiratory distress but not intubated |
No pulmonary infiltrates |
b. Criterion A met |
Not in severe respiratory distress |
Unilateral pulmonary infiltrates |
Probable-5 |
a. Infant died, bleeding based on autopsy or post mortem findings |
Not in severe respiratory distress |
Unilateral pulmonary infiltrates |
b. Criterion A met |
Not in severe respiratory distress |
No pulmonary infiltrates |
Suspected |
a. Infant died, bleeding based on autopsy or post mortem findings |
Would have been intubated in the opinion of the clinician |
No pulmonary infiltrates, or no CXR/CT |
b. Infant died, bleeding based on autopsy or post mortem findings |
Not in severe respiratory distress |
No pulmonary infiltrates, or no CXR/CT |