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Long-term early development research in congenital heart disease (LEADER-CHD): a study protocol for a prospective cohort observational study investigating the development of children after surgical correction for congenital heart defects during the first 3 years of life
  1. Hannah Ferentzi1,2,
  2. Constanze Pfitzer1,3,4,
  3. Lisa-Maria Rosenthal1,3,
  4. Felix Berger1,4,5,
  5. Katharina R L Schmitt1,5
  1. 1 Department of Congenital Heart Disease—Paediatric Cardiology, Deutsches Herzzentrum Berlin, Berlin, Germany
  2. 2 Unit for Psychosomatic Medicine, Deutsches Herzzentrum Berlin, Berlin, Germany
  3. 3 Berlin Institute of Health (BIH), Berlin, Germany
  4. 4 Department of Paediatry, Division of Cardiology, Charité Universitätsmedizin, Berlin, Germany
  5. 5 German Centre for Cardiovascular Disease (DZHK), Berlin, Germany
  1. Correspondence to Hannah Ferentzi; ferentzi{at}dhzb.de

Abstract

Introduction Congenital heart disease (CHD) is the most common birth defect. Studies on the development of children with CHD point towards deficits in motoric, cognitive and language development. However, most studies are cross-sectional and there is a gap in the knowledge concerning developmental trajectories, risk and protective factors and a lack of research concerning environmental predictors. Specifically, no studies have so far considered the importance of early caregiving experiences and child temperament for the development of children with CHD.

Methods In a single-centre prospective cohort study, cognitive, motoric and language development of 180 children after corrective surgery for a simple transposition of the great arteries (TGA), tetralogy of Fallot (TOF) or ventricular septal defect (VSD) will be assessed at ages 12, 24 and 36 months with the Bayley Scales of Infant Development 3rd Edition (BSID-III). At age 12 months, a free-play video observation will be conducted to investigate the relationship between primary caregiver and child, and child temperament will be assessed with the Infant Behavior Questionnaire—Revised Short Version. Medical information will be obtained from patient records and demographic information via questionnaires.

Analysis Frequency and severity of developmental delays will be reported descriptively. Differences between groups (TGA, TOF, VSD) will be subjected to repeated-measures analysis across time points. Multiple regressions will be applied for the analysis of predictors at each time point. For the analysis of differential developmental trajectories, mixed-model analysis will be applied.

Ethics and dissemination The study has been approved by the local medical ethics committee. Written informed consent will be obtained from all participants. Parents have the option to be debriefed about BSID-III results after each assessment and about the study results after project completion. Results will be disseminated in peer-reviewed journals and presented at conferences.

Trial registration number DRKS00011006; Pre-results.

  • congenital heart disease
  • paediatric cardiology
  • paediatric cardiac surgery
  • paediatric cardiology

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Footnotes

  • HF and CP contributed equally.

  • Contributors HF, CP and KRLS made substantial contributions to the conception or design of the work. HF and CP contributed equally to protocol drafting and protocol editing. KRLS, LMR and FB reviewed the protocol and made amendments. All authors critically reviewed and approved the final version. All authors agree to be accountable for all aspects of the work.

  • Funding This work is funded by kinderherzen, Fördergemeinschaft Deutsche Kinderherzzentren e.V, Germany.

  • Competing interests None declared.

  • Ethics approval The study has been approved by the Medical Ethics Committee Charité Mitte (N. EA2/118/12) on 14 July 2016.

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

  • Correction notice This article has been corrected since it was first published. ’kinderherzen' and ’Germany' have been added to the Funding statement.

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