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1 results

  • Mechanism of autograft insufficiency after the Ross operation in children

  • Motohiko Goda, Marc Gewillig, Benedicte Eyskens, Ruth Heying, Bjorn Cools, Filip Rega, Bart Meyns
  • Journal:
    Cardiology in the Young / Volume 23 / Issue 4 / August 2013
    Published online by Cambridge University Press:
    31 October 2012, pp. 523-529
  • Background

    It is unclear how autografts grow and dilate after the Ross operation in children. We analysed autograft growth and dilatation in children who underwent the Ross operation and examined the relationship of these factors to autograft failure.

    Methods

    From our institutional database, we retrospectively identified 33 children who underwent the Ross operation without aortic root reinforcement (mean age 9.9 years) and had normal body measurements and echocardiographic data throughout follow-up.

    Results

    Autograft insufficiency developed in 10 patients 5.1 years after the Ross operation. The average Z score at the development of autograft insufficiency was −0.1 (range from −2.0 to 6.1). The proportions of patients who remained free of autograft insufficiency at 5 and 10 years were 87.2% and 55.7%, respectively. A consistent trend in the time course of Z score was not found in any age group studied.

    Conclusions

    Autograft growth and dilation after the Ross operation varied widely among patients, and the incidence of autograft insufficiency was independent of annulus size.