RT Journal A1 Barondess JA, Sande M T1 SOme changing aspects of aortic regurgitation JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1969 FD November 1 VO 124 IS 5 SP 600 OP 605 DO 10.1001/archinte.1969.00300210082012 UL http://dx.doi.org/10.1001/archinte.1969.00300210082012 AB A review of 258 autopsy reports of aortic regurgitation seen during the past 36 years has revealed changes in the relative frequencies of the various causes of the lesion, in survival, and in causes of death, as well as in the type and frequency of coexistent forms of heart disease and in the incidence of rheumatic activity in the rheumatic cases.Aortic regurgitation, although an "old" disease, is continuing to change.