About half of the cases of aortic insufficiency are due to the aortic root dilation (annuloaortic ectasia), which is idiopathic in over 80% of cases, but otherwise may result from aging, syphilitic aortitis, osteogenesis imperfecta, aortic dissection, Behcet'behÃ§et s, disease reactive arthritis and systemic. hypertensionortic insufficiency can be due to abnormalities of either the aortic valve or the aortic root (the beginning of the aorta).
Fitchburg, Massachusetts. Fitchburg is the third largest city in Worcester County, Massachusetts, United States. The population was 40,318 at the 2010 census. Fitchburg is home to Fitchburg State University as well as 17 public and private elementary and high schools.
It was officially incorporated in 1884, the last town to be incorporated in Barnstable County. It was named for Jonathan Bourne Sr., whose father, Richard Bourne, served in the Massachusetts General Court at the time of settlement, as well as helping to found the settlement in Mashpee. The town lies at the northeast corner of Buzzards Bay and is the site of Aptucxet Trading Post, the nation's oldest store.