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Because the number of patients was relatively small, we could not use left ventricular mass regression after I year to distinguish among patients undergoing aortic valve replacement for aortic stenosis by means of valve prostheses with different hemodynamic performances.

There was no difference between the 2 autoantibody-positive subsets (P ‫؍‬ 0.454). In addition to marker autoantibody positivity, preclinical lung or heart involvement was associated with an increased risk to satisfy the criteria during followup. Conclusion. Our data demonstrated faster progression of SSc in autoantibody-positive patients, particularly in those with preclinical internal organ involvement at baseline, than in autoantibody-negative patients.

The new aortic root prosthesis allowed the reconstruction of the aortic root anatomy in all types of surgical techniques with low postoperative morbidity.