Publications

EXPRESS list of publications – updated 151109

Original papers – main study

1. EXPRESS Group, Fellman V, Hellström-Westas L, Norman M, Westgren M, Källén K, Lagercrantz H, Marsál K, Serenius F, Wennergren M. One-year survival of extremely preterm infants after active perinatal care in Sweden.
Collaborators: Blennow M, Ewald U, Fritz T, Holmgren PA, Jeppsson A, Lindberg E, Lundqvist A, Lindeberg SN, Olhager E, Ostlund I, Simic M, Sjörs G, Stigson L, Fellman V, Hellström-Westas L, Norman M, Westgren M, Holmström G, Laurini R, Stjernqvist K, Källén K, Lagercrantz H, Marsál K, Serenius F, Wennergren M, Nilstun T, Olausson PO, Strömberg B. JAMA 2009;301(21):2225-33.

2.  EXPRESS Group. Incidence of and risk factors for neonatal morbidity after active perinatal care: Extremely Preterm Infants Study in Sweden (EXPRESS).
Collaborators: Austeng D, Blennow M, Ewald U, Fellman V, Fritz T, Hellström-Westas L, Hellström A, Holmgren PÅ, Holmström G, Jakobsson P, Jeppsson A, Johansson K, Källén K, Lagercrantz H, Laurini R, Lindberg E, Lundqvist A, Maršál K, Nilstun T, Nordén-Lindeberg S, Norman M, Olhager E, Östlund I, Serenius F, Simic M, Sjörs G, Stigson L, Stjernqvist K, Strömberg B, Tornqvist K, Wennergren M, Wallin A, Westgren M.
Acta Paediatr 2010;99(7):978-92.

3. EXPRESS Group. Neurodevelopmental outcome in extremely preterm infants at 2.5 years after active perinatal care in Sweden:
Collaborators:
Serenius F, Källén K, Blennow M, Ewald U, Fellman V, Holmström G, Lindberg E, Lundqvist P, Maršál K, Norman M, Olhager E, Stigson L, Stjernqvist K, Vollmer B, Strömberg B.
JAMA; 2013 May 1;309(17):1810-20.

4. Serenius F, Sjörs G, Blennow M, Fellman V, Holmström G, Maršál K, Lindberg E, Olhager E, Stigson L, Westgren M, Källén K, The EXPRESS study Group. EXPRESS study shows significant regional differences in one-year outcome of extremely preterm infants in Sweden.
Acta Paediatr.  2014;103(1):27-37.

5. Serenius F, Blennow M, Maršál K, Sjörs G, Källén K, The EXPRESS study Group. Intensity of perinatal care for extremely preterm infants: Outcomes at 2.5 years.
Pediatrics 2015;135:e1163-e1172

6. Källén K, Serenius F, Westgren M, Maršál K. and EXPRESS Group. Impact of obstetric factors on outcome of extremely preterm births in Sweden: prospective population-based observational study (EXPRESS).
Acta Obstet Gynecol Scand 2015;94:1203-14

7.Serenius F, Ewald U, Farooqi A, Fellman V, Hafström M, Hellgren K, Marsal K, Ohlin A, Olhager E, Stjernqvist K, Strömberg B, Åden U, Källén K, for the Extremely Preterm infants in Sweden Study Group. Neurodevelopmental outcomes among extremely preterm infants 6.5 years after active perinatal care in Sweden.
JAMA Pediatrics 2016; Aug 1. doi: 10.1001/jamapediatrics.2016.1210.

Original papers –ophthalmological studies 

8.  Austeng D, Källén KB, Ewald UW, Jakobsson PG, Holmström GE. Incidence of retinopathy of prematurity in infants born before 27 weeks’ gestation in Sweden.
Arch Ophthalmol 2009;127(10):1315-9. 

9.  Austeng D, Källén KB, Ewald UW, Wallin A, Holmström GE. Treatment for retinopathy of prematurity in infants born before 27 weeks of gestation in Sweden.
Br J Ophthalmol 2010; 94(9):1136-9. 

10.  Austeng D, Källén KB, Hellström A, Tornqvist K, Holmström GE. Natural history of retinopathy of prematurity in infants born before 27 weeks’ gestation in Sweden.
Arch Ophthalmol 2010;128(10):1289-94. 

11. Austeng D, Källén KB, Hellström A, Jakobsson PG, Johansson K, Tornqvist K, Wallin A, Holmström GE. Screening for retinopathy of prematurity in infants born before 27 weeks’ gestation in Sweden.
Arch Ophthalmol. 2011;129(2):167-72.

12. Lundgren P, Stoltz Sjöström E, Domellöf M, Källén K, Holmström G, Hård A-L, Smith LE, Löfqvist C, Hellström A. WINROP identifies severe retinopathy of prematurity at an early stage in a nation-based cohort of extremely preterm infants.
PLoS ONE. 2013;8(9):e73256.

13. Hellgren K, Halberda J, Forsman L, Ådén U, Libertus M. Compromised approximate number system acuity in extremely preterm school-aged children. Developmental Medicine & Child Neurology 2013;55:1109-14

14. Holmström GE, Källén K, Hellström A, Jakobsson PG, Serenius F, Stjernqvist K, Tornqvist K. Ophthalmologic outcome at 30 months´corrected age of a prospective Swedish cohort of children born before 27 weeks of gestation: The Extremely Preterm Infants in Sweden Study.
JAMA Ophthalmol. 2014;132(2): 182-9

15. Austeng D, Källén K, Hellström A, Jakobsson P, Lundgren P, Tornqvist K, Wallin A, Holmström G. Regional differences in screening for retinopathy of prematurity in infants born before 27 weeks of gestation in Sweden – the EXPRESS study.
Acta Ophthalmol. 2014;92(4):311-5.

16. Lundgren P, Kistner A, Andersson EM, Hansen-Pupp I, Holmström G, Ley D, Niklasson A, Smith LE, Wu C, Hellström A, Löfqvist C. Low birth weight is a risk factor for severe retinopathy of prematurity depending on gestational age.
PloS ONE. 2014;9(10):e109460

17. Lundgren P, Stoltz Sjöström E, Domellöf M, Smith L, Wu C, VanderVeen D, Hellström A, Löfqvist C. The specificity of the WINROP algorithm can be significantly increased by reassessment of the WINROP alarm. Neonatology 2015;108:152-6.

18. Stoltz Sjöström E, Lundgren P, Öhlund I, Holmström G, Hellström A, Domellöf M. Low energy intake during the first 4 weeks of life increases the risk for severe retinopathy of prematurity in extremely preterm infants. Arch Dis Child Fetal Neonatal Ed 2015;0:F1-F6. doi:10.1136/archdischild-2014-306816.

19. Rosén R, Sjöstrand J, Nilsson M, Hellgren K. A methodological approach for evaluation of foveal immaturity after extremely preterm birth. Ophthalmic & Physiological Optics 2015;35:433-41.

Original papers – side studies (EXPRESS population)

20. Simic M, Amer-Wåhlin I, Maršál K, Källén K. Effect of various dating formulae on sonographic estimation of gestational age in extremely preterm infants.
Ultrasound Obstet Gynecol. 2012;40(2):179-85. 

21. Stoltz Sjöström E, Öhlund I, Ahlsson F, Engström E, Fellman V, Hellström A,
Källén K, Norman M, Olhager E, Serenius F, Domellöf M. Nutrient intakes independently affect growth in extremely preterm infants: results from a population-based study.
Acta Paediatr. 2013 Nov;102(11):1067-74.

22. Skiöld B, Eriksson C, Eliasson AC, Ådén U, Vollmer B. General movements and magnetic resonance imagning in the prediction of neuromotor outcome in children born extremely preterm.
Early Hum Dev. 2013 Jul;89(7):467-72

23. Simic M, Amer-Wåhlin I, Lagercrantz H, Maršál K, Källén K. Survival and neonatal morbidity among extremely preterm born infants in relation to gestational age based on the last menstrual period or ultrasonographic examination.
J Perinat Med, 2013 Nov 21:1-7

24. Westin V, Stoltz Sjöström E, Ahlsson F, Domellöf M, Norman M. Perioperative nutrition in extremely preterm infants undergoing surgical treatment for patent ductus arteriosus is suboptimal.
Acta Paediatr 2014 May;103(5):504-11

25. Månsson J, Stjernqvist K. Children born extremely preterm show significant lower cognitive, language and motor function levels compared with children born at term, as measured by the Bayley-III at 2,5 years.
Acta Paediatr. 2014 May; 103(5):504-11

26. Månsson J, Stjernqvist K, Bäckström M. Behavioral outcomes at corrected age 2,5 years in children born extremely preterm.
J Dev Behav Pediatr. 2014 Sep;35(7):435-42

27. Stoltz Sjöström E, Öhlund I, Tornevi A, Domellöf M. Intake and macronutrient content of human milk given to extremely preterm infants.
J Hum Lact. 2014;30:442-9

28.Gudmundsdottir A, Johansson S, Håkansson S, Norman M, Källén K, Bonamy A-K. Timing of pharmacological treatment for patent ductus arteriosus and risk of secondary surgery, death or bronchopulmonary dysplasia: A population-based cohort study of extremely preterm infants.
Neonatology. 2015; 107:87-92

29. Månsson J, Fellman V, Stjernqvist K; EXPRESS Study Group (authors). Extremely preterm birth affects boys more and socio-economic and neonatal variables pose sex-specific risks.
Acta Paediatr. 2015;104(5):514-21

30. Ohlin A, Björkman L, Serenius F, Schollin, Källén K. Sepsis as a risk factor for neonatal morbidity in extremely preterm infants. Acta Paediatr. 2015;104:1070-6

31.Sjöström ES, Öhlund I, Ahlsson F, Domellöf M. Intakes of micronutrients are associated with early growth in extremely preterm infants.
J Pediatr Gastroenterol Nutr. 2016;62(6):885-92.

Orginal papers – subcohort-studies

32. Horsch S, Hallberg B, Leifsdottir K, Skiöld B, Nagy Z, Mosskin M, Blennow M, Ådén U. Brain abnormalities in extremely low gestational age infants: a Swedish population based MRI study.
Acta Paediatr. 2007;96(7):979-84.

33. Horsch S, Bengtsson J, Nordell A, Lagercrantz H, Ådén U, Blennow M. Lateral ventricular size in extremely premature infants: 3D MRI confirms 2D ultrasound measurements.
Ultrasound Med Biol. 2009;35(3):360-6.

34. Horsch S, Skiöld B, Hallberg B, Nordell B, Nordell A, Mosskin M, Lagercrantz H, Blennow M, Ådén U. Cranial ultrasound and MRI at term age in extremely preterm infants.
Arch Dis Child Fetal Neonatal Ed. 2010;95:F310-4

35. Skiöld B, Horsch S, Hallberg B, Engström M, Nagy Z, Mosskin M, Blennow M, Ådén U. White matter changes in extremely preterm infants, a population-based diffusion tensor imaging study.
Acta Paediatr. 2010;99:842-9

36. Skiöld B, Vollmer B, Böhm B, Hallberg B, Horsch S, Mosskin M, Lagercrantz H, Ådén U, Blennow M. Neonatal magnetic resonance imaging and outcome at age 30 months in extremely preterm infants.
J Pediatr. 2012;160(4):559-566.

37. Bonamy AK, Källén K, Norman M. High blood pressure in 2.5-year-old Children born extremely preterm.
Pediatrics. 2012;129(5):e1199-204.

38. Skiöld B, Alexandrou G, Padilla N, Blennow M, Vollmer B, Ådén U. Sex differences in outcome and associations with neonatal brain morphology in extremely preterm children.
J Pediatr. 2014 May;165(5):1012-8

39. Alexandrou G, Mårtensson G, Skiöld B, Blennow M, Ådén U, Vollmer B. White matter microstructure is influenced by extremely preterm birth and neonatal respiratory factors.
Acta Paediatr. 2014 Jan;103(1):48-56

40. Padilla N, Alexandrou G, Blennow M, Lagercrantz H, Ådén U. Brain growth gains and losses in extremely preterm infants at term
Cereb Cortex 2015;25(7):1897-905.

41. Vinnars MT, Papadogiannakis N, Nasiell J, Holmström G, Westgren M. Placental pathology in relation to stillbirth and neonatal outcome in an extremely preterm population: a prospective cohort study.
Acta Obstet Gynecol Scand. 2015;94(6):584-90

42. Vinnars MT, Vollmer B, Nasiell J, Papadogiannakis N, Westgren M. Association between cerebral palsy and microscopically verified placental infarction in extremely preterm infants.
Acta Obstet Gynecol Scand. 2015;94(9):976-82

 

Academic theses

43. S Horsch – avhandling, Karolinska Institutet, 2009

44. D Austeng – avhandling, Uppsala Universitet, 2010

45. B Skiöld – avhandling, Karolinska Institutet, 2011

46. M Simic – avhandling, Karolinska Institutet, 2012

47. G Alexandrou – avhandling, Karolinska Institutet, 2014

48. E Stoltz Sjöström – avhandling, Umeå Universitet 2014

49 P Lundgren – avhandling, Göteborgs Universitet 2015

50. J Månsson – avhandling, Lunds Universitet 2015

Other publications, comments etc

51. Hellström-Westas L. Hög överlevnad hos extremt för tidigt födda i Sverige. Läkartidningen. 2009;106(23):1551.

52. Hansen A. Utvecklingen hos mycket tidigt födda barn undersökt. Nya rön. Läkartidningen. 2013;110:CCTS

53. Ricci D, Tinelli F. Compromised approximate number system acuity in school-aged children born extremely preterm.
Dev Med Child Neurol. 2013;55(12):1070-1
This commentary is on the original articel by Hellgren et al. on pages 1109-1114 of this issue.

54. Marlow N. Interpreting regional differences in neonatal outcomes for extremely preterm babies. Editorial. Acta Paediatr.2014;103:4-5

55. Lehtonen L. Bringing transparency into quality comparison research.
Acta Paediatr. 2014;103(1):19-21.
Invited Commentary to Serenius F et al. EXPRESS study shows significant regional differences in 1-year outcome of extremely preterm infants in Sweden, pages 27-37

56. Maršál K. on behalf of the EXPRESS Group. Cognitive, language and motor development in Swedish children born extremely preterm: results from the EXPRESS study. In: Reproductieve geneeskunde, Gynaecologie en Obstetrie anno 2015, E. Slager (ed.), pp. 594-600. DCHG Medische Communicatie; Haarlem, NL 2015.

57. Olhager E, Norman M. Svensk perinatalvård i framkanten – ändå måste den bli bättre.
Läkartidningen 2015;112:DIIZ