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- W2620785864 abstract "Glutaraldehyde (GA) treatment of allografts used for arch reconstruction prevents the immunologic sensitization that occurs with untreated allografts, but its use may cause tissue changes that predispose to recurrent obstruction. The objective was to determine whether GA treatment of allografts used in Norwood procedures increases the risk of recurrent aortic obstruction.All infants who underwent a Norwood procedure between 2000 and 2015 were included. Cryopreserved pulmonary allografts were used for all arch reconstructions; starting in 2005 all were treated with GA before use. Complete follow-up was obtained, including survival, transplantation, and all repeat procedures. Competing risks analyses were used to assess for differences in aortic reintervention over time.Two hundred six infants (132 male) were included. There were 60 deaths and 14 transplantations; 5-year transplantation-free survival was 71.9%. GA treatment of patches (n = 142, 68.9%) was not predictive of death (hazard ratio [HR] 1.38, 95% confidence interval [CI]: 0.61 to 3.08). Fifty-five patients had at least one aortic reintervention and 31 patients (15.0%) required surgical aortic reintervention. At 1-year, freedom from all aortic reintervention was similar between patients with and without treated patches, but freedom from surgical aortic reintervention was lower in the treated group (87.6% versus 95.3%, p = 0.0256). GA treatment was not associated with the combined end point of catheter-based or surgical reintervention but was associated with specific need for surgical reintervention (HR 4.05, 95% CI: 1.19 to 13.77).GA treatment is associated with increased late surgical aortic reintervention. The advantages of decreased sensitization with GA treatment need to be balanced against the risk of aortic reobstruction." @default.
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- W2620785864 date "2017-10-01" @default.
- W2620785864 modified "2023-10-01" @default.
- W2620785864 title "Glutaraldehyde Treatment of Allografts and Aortic Outcomes Post-Norwood: Challenging Surgical Decision" @default.
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- W2620785864 doi "https://doi.org/10.1016/j.athoracsur.2017.03.008" @default.
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