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Description of a Swine Infant Model of Volume-Controlled Hemorrhagic Shock
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Sudden oronasal bleeding in a young child
1shey@easynet.co.uk
Insights
Sudden upper-airway obstruction can cause acute pulmonary edema with bleeding. This condition, often presenting as bloody fluid from the mouth or nose, typically resolves within 24 hours.
Area of Science:
- Pulmonary Medicine
- Emergency Medicine
- Pediatrics
Background:
- Sudden severe upper-airway obstruction can precipitate acute hemorrhagic pulmonary edema.
- This complication is observed in hospital settings.
- Other causes of acute pulmonary hemorrhage are rare in young children.
Purpose of the Study:
- To review and analyze case reports of acute hemorrhagic pulmonary edema following upper-airway obstruction.
- To identify the common presenting features and clinical course of this condition.
Main Methods:
- A comprehensive review of 197 published case reports.
- Analysis of presenting symptoms, onset, and resolution times.
Main Results:
- The primary presenting feature is expectoration of blood-stained fluid from the airways (larynx, mouth, nose).
- This occurs in 10-15% of cases of sudden, severe, but non-lethal, upper-airway obstruction.
- Signs appear within minutes to hours after obstruction relief and resolve within 12-24 hours.
Conclusions:
- The presence of blood in or from the mouth/nose in a distressed child suggests acute pulmonary edema.
- Sudden upper-airway obstruction is the most common cause in this scenario.
- Prompt recognition and management are crucial for favorable outcomes.
Unlabelled:
Sudden severe upper-airway obstruction occurring in a hospital setting can sometimes precipitate an episode of acute haemorrhagic pulmonary oedema. A review of 197 published case reports shows that the presenting feature is almost always the sudden appearance of blood stained fluid coming up through the larynx or out through the mouth and nose of an adult or child in obvious respiratory distress. Such overt features are seen in 10-15% of cases of sudden severe, but sub-lethal, upper-airway obstruction. Signs normally appear within minutes once the obstruction is relieved but are occasionally only recognized after 1-4 h. All signs and symptoms usually resolve within 12-24 h. Other causes of acute pulmonary haemorrhage are rare in young children.
Conclusion:
If what looks like blood is seen in, or coming from, the mouth or nose of a previously healthy young child who has suddenly become distressed and started to struggle for breath, that child has most probably suffered an episode of acute pulmonary oedema, and the commonest precipitating cause is sudden upper-airway obstruction.
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