2015
DOI: 10.1086/683687
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Left Main Bronchus Compression Due to Main Pulmonary Artery Dilatation in Pulmonary Hypertension: Two Case Reports

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 tra… Show more

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Cited by 8 publications
(5 citation statements)
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“…Most reported cases were seen in patients with a severely dilated PA from PH in the setting of uncorrected congenital heart diseases. To our knowledge, only two cases have been reported in patients with IPAH 6 7. These patients had relatively prolonged survival (>6 years) and severely dilated MPA (>9 cm).…”
Section: Discussionmentioning
confidence: 91%
See 1 more Smart Citation
“…Most reported cases were seen in patients with a severely dilated PA from PH in the setting of uncorrected congenital heart diseases. To our knowledge, only two cases have been reported in patients with IPAH 6 7. These patients had relatively prolonged survival (>6 years) and severely dilated MPA (>9 cm).…”
Section: Discussionmentioning
confidence: 91%
“…PA dilation is a common finding in PH; in fact, many cases of PH are suspected from the discovery of dilated PA on transverse imaging of the chest, performed for a different reason. However, profound PA dilation resulting in compression and obstruction of central airways is exceedingly rare 5–7. Most reported cases were seen in patients with a severely dilated PA from PH in the setting of uncorrected congenital heart diseases.…”
Section: Discussionmentioning
confidence: 99%
“…There are reports of left bronchus compression by enlarged left atrium, pulmonary artery, and lymph nodes in children. [ 9 10 ]…”
Section: Discussionmentioning
confidence: 99%
“…Large aneurysms of the left sinus of Valsalva can cause protrusion and rupture of the pulmonary artery, left ventricle, myocardium, and epicardium. 6 Compression of the LMCA by a dilated MPA has been described in the literature, [7][8][9][10] and the prevalence of LMCA stenosis may be underestimated. Aneurysms of the sinus of Valsalva are rare cardiac anomalies as well; they may be acquired or congenital, and they typically involve the right coronary or non-coronary sinuses.…”
Section: Discussionmentioning
confidence: 99%