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Successful bailout stenting for critical aortic coarctation in a premature baby weighing 590 g
  1. Kumiyo Matsuo,
  2. Dai Asada,
  3. Hisaaki Aoki and
  4. Futoshi Kayatani
  1. Pediatric Cardiology, Osaka Women's and Children's Hospital, Izumi City, Osaka, Japan
  1. Correspondence to Dr Kumiyo Matsuo; kumiyo_m_7{at}


Severe aortic coarctation (CoA) is a critical congenital heart disease that requires surgery as the first-line treatment in neonates. However, in very small premature infants, aortic arch repair has a relatively high mortality and morbidity rate. Bailout stenting is an alternative method that can be performed safely and effectively with low morbidity.

We present a case of severe CoA in a premature baby, a monochorionic twin with selective intrauterine growth restriction. The patient was born at 31 weeks of gestation with a birth weight of 570 g. Seven days following her birth, she experienced anuria due to critical neonatal isthmic CoA. She underwent a stent implantation procedure at term neonatal, weighing 590 g. She had good dilatation of the coarcted segment with no complications. Follow-up at infancy showed no CoA recurrence. This is the world’s smallest case of stenting for CoA.

  • Interventional cardiology
  • Neonatal intensive care
  • Neonatal and paediatric intensive care
  • Congenital disorders
  • Hip prosthesis implantation

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  • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content—KM, DA and HA. The following author gave final approval of the manuscript—FK.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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