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Pathophysiology and imaging diagnosis of main pulmonary artery dilatation in patients with chronic mountain sickness
CHEN Jing  BAO Hai-hua  ZHOU Zhu 

DOI:10.12015/issn.1674-8034.2017.09.013.


[Abstract] The mian causes of main pulmonary artery (MPA) dilatation in patients with chronic mountain sickness (CMS) is chronic plateau hypoxia, followed by cold. The combined action of both can affect the function of cardiovascular system. Imaging examination not only can effectively diagnose MPA dilatation, but also evaluate the relationship between MPA dilatation and pulmonary arterial hypertension or the effect of MPA dilatation on the heart. MRI plays an irreplaceable role in such examinations. This paper reviews the pathogenesis, clinical significance and imaging diagnosis of MPA dilatation in patients with CMS.
[Keywords] Main pulmonary artery dilatation；Pulmonary hypertension；Heart；Altitude；Diagnostic imaging

CHEN Jing Medical Imaging Center, The Affiliated Hospital of Qinghai University, Xi’ning 810001, China

BAO Hai-hua* Medical Imaging Center, The Affiliated Hospital of Qinghai University, Xi’ning 810001, China

ZHOU Zhu Medical Imaging Center, The Affiliated Hospital of Qinghai University, Xi’ning 810001, China

*Correspondence to: Bao HH, E-mail: baohelen2@sina.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part of National Natural Science Foundation of China No. 81260216
Received  2017-05-09
Accepted  2017-08-10
DOI: 10.12015/issn.1674-8034.2017.09.013
DOI:10.12015/issn.1674-8034.2017.09.013.

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