It is a chronic condition which affects those blood vessels which are related to lungs or from the lungs. Causes of pulmonary vascular diseases are varies according to lung’s blood vessels are affected. A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity