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Transplantation-free survival after Norwood surgery for hypoplastic left heart syndrome with aortic atresia: A Swedish national cohort study
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2020 (Engelska)Ingår i: Cardiology in the Young, ISSN 1047-9511, E-ISSN 1467-1107, Vol. 30, nr 3, s. 353-360Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background: Norwood surgery has been available in Sweden since 1993. In this national cohort study, we analysed transplantation-free survival after Norwood surgery for hypoplastic left heart syndrome with aortic atresia. Methods: Patients were identified from the complete national cohort of live-born with hypoplastic left heart syndrome/aortic atresia 1993-2010. Analysis of survival after surgery was performed using Cox proportional hazards models for the total cohort and for birth period and gender separately. Thirty-day mortality and inter-stage mortality were analysed. Patients were followed until September 2016. Results: The 1993-2010 cohort consisted of 208 live-born infants. Norwood surgery was performed in 121/208 (58%). The overall transplantation-free survival was 61/121 (50%). The survival was higher in the late period (10-year survival 63%) than in the early period (10-year survival 40%) (p = 0.010) and lower for female (10-year survival 34%) than for male patients (10-year survival 59%) (p = 0.002). Inter-stage mortality between stages I and II decreased from 23 to 8% (p = 0.008). For male patients, low birthweight in relation to gestational age was a factor associated with poor outcome. Conclusion: The survival after Norwood surgery for hypoplastic left heart syndrome/aortic atresia improved by era of surgery, mainly explained by improved survival between stages I and II. Female gender was a significant risk factor for death or transplantation. For male patients, there was an increased risk of death when birthweight was lower than expected in relation to gestational age.

Ort, förlag, år, upplaga, sidor
Cambridge University Press, 2020. Vol. 30, nr 3, s. 353-360
Nyckelord [en]
Hypoplastic left heart syndrome, transplantation-free survival, risk factors, inter-stage mortality
Nationell ämneskategori
Kirurgi
Identifikatorer
URN: urn:nbn:se:umu:diva-172553DOI: 10.1017/S1047951119003263ISI: 000537658300008PubMedID: 31920189Scopus ID: 2-s2.0-85077845373OAI: oai:DiVA.org:umu-172553DiVA, id: diva2:1448708
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Hjärt-LungfondenTillgänglig från: 2020-06-29 Skapad: 2020-06-29 Senast uppdaterad: 2022-10-03Bibliografiskt granskad

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Rydberg, Annika

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