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.
Plymouth County, Massachusetts. Plymouth County is a county in the U.S. state of Massachusetts. As of the 2010 census, the population was 494,919. Its county seats are Plymouth and Brockton. In 1685 the County was created by the Plymouth General Court, the legislature of Plymouth Colony, predating its annexation by the Massachusetts Bay Colony.