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.
Fitchburg State University has over 3,500 undergraduate and over 1650 graduate/continuing education students, for a total student body enrollment over 5200. The University offers postgraduate certificates, bachelor's degrees, and master's degrees (including the MBA) in more than 25 academic disciplines.