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Published on: February 11, 2017
Left main bronchus compression due to main pulmonary artery dilatation in pulmonary hypertension: two case reports
Shareen K Jaijee1, Ben Ariff2, Luke Howard3
1University of Sydney, Camperdown, New South Wales, Australia ; MRC Clinical Sciences Centre, Imperial College London, Hammersmith Hospital Campus, London, United Kingdom.
Abstract:
Pulmonary arterial dilatation associated with pulmonary hypertension may result in significant compression of local structures. Left main coronary artery and left recurrent laryngeal nerve compression have been described. Tracheobronchial compression from pulmonary arterial dilatation is rare in adults, and there are no reports in the literature of its occurrence in idiopathic pulmonary arterial hypertension. Compression in infants with congenital heart disease has been well described. We report 2 cases of tracheobronchial compression: first, an adult patient with idiopathic pulmonary arterial hypertension who presents with symptomatic left main bronchus compression, and second, an adult patient with Eisenmenger ventricular septal defect and right-sided aortic arch, with progressive intermedius and right middle lobe bronchi compression in association with enlarged pulmonary arteries.
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