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  • Mohlkert, Lilly-AnnKarolinska Institute,Karolinska Institutet (author)

The Preterm Heart in Childhood : Left Ventricular Structure, Geometry, and Function Assessed by Echocardiography in 6-Year-Old Survivors of Periviable Births

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • John Wiley & Sons,2018
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-147369
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-147369URI
  • https://doi.org/10.1161/JAHA.117.007742DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:137985403URI
  • https://lup.lub.lu.se/record/ff175ffa-b9a6-4237-bc8b-74b33bfdb800URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Background: Preterm birth has been associated with increased risk of cardiovascular morbidity in adult life. We evaluated whether preterm birth is associated with deviating cardiac structure and function before school start. Methods and Results: In total, 176 children aged 6 years and born extremely preterm (EXPT; gestational age of 22-26weeks) and 134 children born at term (control [CTRL]) were studied. We used echocardiography to assess left heart dimensions, geometry, and functions. Recording and off-line analyses of echocardiographic images were performed by operators blinded to group belonging. Body size, blood pressure, and heart rate were also measured. Rates of family history of cardiovascular disease and sex distribution were similar in the EXPT and CTRL groups. Heart rate and systolic blood pressure did not differ, whereas diastolic blood pressure was slightly higher in EXPT than CTRL participants. After adjusting for body surface area, left ventricular length, width, and aortic valve annulus diameter were 3% to 5% smaller in EXPT than CTRL participants. Left ventricular longitudinal shortening and systolic tissue velocity were 7% to 11% lower, and transversal shortening fraction was 6% higher in EXPT than CTRL participants. The EXPT group also exhibited lower atrial emptying velocities than the CTRL group. Sex, fetal growth restriction, or a patent ductus arteriosus in the neonatal period did not contribute to cardiac dimensions or performance. Conclusions: Six-year-old children born extremely preterm exhibit a unique cardiac phenotype characterized by smaller left ventricles with altered systolic and diastolic functions than same-aged children born at term.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Hallberg, JennyKarolinska Institute,Karolinska Institutet (author)
  • Broberg, OlofLund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Barnkardiologi,Forskargrupper vid Lunds universitet,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Children cardiology,Lund University Research Groups,Skåne University Hospital(Swepub:lu)infl-ob0 (author)
  • Rydberg, AnnikaUmeå University,Umeå universitet,Pediatrik(Swepub:umu)anry0014 (author)
  • Pegelow Halvorsen, CeciliaKarolinska Institutet (author)
  • Liuba, PetruLund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Barnkardiologi,Forskargrupper vid Lunds universitet,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Children cardiology,Lund University Research Groups,Skåne University Hospital(Swepub:lu)pedi-pli (author)
  • Fellman, VinetaLund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,University of Helsinki,Skåne University Hospital(Swepub:lu)pedi-vfe (author)
  • Domellöf, MagnusUmeå University,Umeå universitet,Pediatrik(Swepub:umu)mado0002 (author)
  • Sjöberg, GunnarKarolinska Institute,Karolinska Institutet (author)
  • Norman, MikaelKarolinska Institutet,Karolinska University Hospital (author)
  • Karolinska InstituteKarolinska Institutet (creator_code:org_t)

Related titles

  • In:Journal of the American Heart Association: John Wiley & Sons7:22047-9980

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