basal atelectasis

basal atelectasis

The collapse of basally oriented lung tissue, a common post-operative complication, which is associated with mucus retention due to poor pulmonary clearance, and secondary infection.

Clinical findings
Dyspnoea, tachycardia, pyrexia, cyanosis, pain on coughing, reduced expectoration, secondary bacterial infection, reduced chest movement especially on affected side, basal dullness, crepitation on breathing.

Imaging
Opacity of involved segment, mediastinal shift to affected side.

Risk factors
Abdominal distension, emphysema, intubation, irritation from anaesthetics, mechanical trauma to airways, muscle weakness, obesity, opiate use for pain, post-operative drowsiness, pregnancy, smoking, wound pain.
References in periodicals archive ?
Reactive bibasal pleural effusions and basal atelectasis were also demonstrated.
This patient had a high risk for early postoperative respiratory failure resulting from basal atelectasis caused by pain and inability to clear secretions on a background of chronic obstructive airway disease.
A CT thorax showed no intra-luminal filling defect along the main pulmonary arteries, but basal atelectasis with minimal bilateral pleural effusions.