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.
People in group quarters in Fitchburg in 2000: 1  964 people in college dormitories (includes college quarters off campus) 2  517 people in nursing homes. 3  67 people in other noninstitutional group quarters. 4  50 people in homes or halfway houses for drug/alcohol abuse. 5  50 people in other group homes. 6  19 people in homes for the mentally ill.