descending necrotising mediastinitis(redirected from Dnm)
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descending necrotising mediastinitisMediastinitis which arises from a severe infection of the oropharynx.
• Evidence of severe cervical infection;
• Radiographic features of mediastinitis;
• Documentated necrotising mediastinits at operation or at postmortem;
• Confirmed link between mediastinitis and oropharyngeal infection.
Fever, chills, pleuritic/retrosternal pain, SOB, confusion, sore throat, neck swelling, odynophagia.
More common in men (6:1) in their 30s.
Other medical complaints including HIV, diabetes, drug abuse and cancer; history of recent iatrogenic procedures, such as endoscopy, bronchoscopy, intubation or surgery.
Mixed infection, with slightly geater abundance of strict anaerobic bacteria, comprised of Bacteroides, the most common strict anaerobes, and streptococci, the most common facultative organisms.
Blood cultures, white cell count, glucose levels to detect diabetes.
Widening of precervical and retropharyngeal soft tissues by plain films; gas by CT or MRI.
Airway maintenance and management; antibiotics, fluid resuscitation.