Negative pressure pulmonary oedema

Abstract

Other reported causes of NPPO are impacted foreign body trachea/bronchus, epiglottitis, strangulation, vocal cord palsy, acromegaly, goitre, inspissated tracheal secretions, direct suctioning of the endotracheal tube adapter, hiccoughs, croup,temporomandibular joint arthroscopy, difficult intubation, haematoma, upper airway tumour, oropharyngeal surgery, Ludwig angina, obesity, obstructive sleep apnoea, mediastinal tumour, biting/obstruction of the endotracheal tube/laryngeal mask and falling back of tongue. [6] Differential diagnoses of NPPO include aspiration pneumonitis, acute lung injury, cardiogenic pulmonary oedema, fluid overload, drug-induced non-cardiogenic pulmonary oedema and anaphylaxis.