Definitions of other UGI Complications


Anastomotic leak


Defined as a symptomatic (mediastinal abscess, mediastinitis, or bilious chest drainage) or asymptomatic (diagnosed by water-soluble contrast swallow or endoscopy) intrathoracic anastomosis disruption



Delayed gastric emptying


Defined as ongoing vomiting after nasogastric tube removal, despite prokinetic treatment, requiring nasogastric tube replacement



Major postoperative pulmonary complications


Postoperative Pneumonia


Mucus plug

Defined as a bronchial plug with atelectasis requiring bronchoscopy in absence of pyrexia and leucocytosis


Respiratory insufficiency

Defined as the inability of a patient to maintain a PaO2 more than 60 mmHg or PaCO2 less than 55 mmHg, requiring intubation and assisted ventilation


Acute Respiratory Distress Syndrome

Defined as severe hypoxia (PaO2/FiO2 less than 200), diffuse bilateral pulmonary infiltration and pulmonary wedge pressure less than 18mmHg


Acute lung injury

The presence of PaO2/FiO2 200-300 is considered ARDS




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