Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

45 questions · 45 findings · 3 reviews · Acute Respiratory Infections

No studies found 16 · 35.6%GRADE not reported 0 · 0%Very low 21 · 46.7%Low 6 · 13.3%Moderate 0 · 0%High 2 · 4.4%

High‐frequency chest wall oscillation plus fibrobronchoscope alveolar lavage vs fibrobronchoscope alveolar lavage alone

All‐cause mortality · people with severe pneumonia and receiving mechanical ventilation

It is very uncertain whether high‐frequency chest wall oscillation plus fibrobronchoscope… changes mortality compared with fibrobronchoscope alveolar lavage alone (very low certainty).

1 finding from 1 review

Slow passive expiration vs control

Change in the severity status of bronchiolitis Assessed using a variety of scales · infants up to 24 months of age with acute bronchiolitis

Slow passive expiration showed no clear difference in change in the severity status of bronchiolitis Assessed using a… compared with control (low certainty).

1 finding from 1 review