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Førsteamanuensis Klinihkalaš medisiinna instituhtta pik000@post.uit.no Tromsø

Per Ivar Kaaresen

  • 1
    Gunn Kristin Øberg, Bjørn Helge Handegård, Suzann K. Campbell, Tordis Ustad, Toril Larsson Fjørtoft, Per Ivar Kaaresen et al.:
    Two-year motor outcomes associated with the dose of NICU based physical therapy: The Noppi RCT
    Early Human Development 2022 DOI / ARKIV / ARKIV
  • 1
    Gunn Kristin Øberg, Gay L Girolami, Suzann K. Campell, Tordis Ustad, Ivar Heuch, Bjarne K. Jacobsen et al.:
    Effects of a parent-administered exercise program in the neonatal intensive care unit: Dose does matter-a randomized controlled trial
    Physical Therapy 2020 DOI / ARKIV / ARKIV / ARKIV
  • 1
    Inger Pauline Landsem, Bjørn Helge Handegård, Per Ivar Kaaresen, Jorunn Tunby, Stein Erik Ulvund, John Andreas Rønning :
    Stability and change in longitudinal associations between child behavior problems and maternal stress in families with preterm born children, follow-up after a RCT-study
    Children 31. Jan 2019 DOI / ARKIV
  • 1
    Gunn Kristin Øberg, Tordis Ustad, Lone Jørgensen, Per Ivar Kaaresen, Inger Cathrine Labori, Gay L. Girolami :
    Parents` perceptions of administering a motor intervention with their preterm infant in the NICU
    European Journal of Physiotherapy 28. Oct 2018 DOI / ARKIV
  • 1
    Kine Nordheim, Ingunn Holmefoss Hovland, Bjørn Erik Kristiansen, Per Ivar Kaaresen, Trond Flægstad :
    An epidemic of meningococcal disease in children in North Norweay in the 1970s and 1980s was dominated by a hypervirulent group B strain
    Acta Paediatrica 2018 DOI / ARKIV
  • 1
    Toril Synnøve Larsso Fjørtoft, Tordis Ustad, Turid Follestad, Per Ivar Kaaresen, Gunn Kristin Øberg :
    Does a parent-administrated early motor intervention influence general movements and movement character at 3 months of age in infants born preterm?
    Early Human Development 2017 DOI / ARKIV / ARKIV
  • 1
    Tordis Ustad, Kari Anne Indredavik Evensen, Suzann K Campbell, Gay L Girolami, Jorunn L. Helbostad, Lone Jørgensen et al.:
    Early Parent-Administered Physical Therapy for Preterm Infants: A Randomized Controlled Trial
    Pediatrics 2016 DOI / ARKIV
  • 1
    Inger Pauline Landsem, Bjørn Helge Handegård, Stein Erik Ulvund, Per Ivar Kaaresen, John Andreas Rønning :
    Early intervention influences positively quality of life as reported by prematurely born children at age nine and their parents; a randomized clinical trial
    Health and Quality of Life Outcomes 2015 DOI / ARKIV
  • 1
    Inger Pauline Landsem, Bjørn Helge Handegård, Stein Erik Ulvund, Jorunn Tunby, Per Ivar Kaaresen, John Andreas Rønning :
    Does an early intervention influence behavioral development until age 9 in children born prematurely?
    Child Development 2015 DOI / ARKIV
  • 1
    Lisbeth Hauglann, Bjørn Helge Handegård, Stein Erik Ulvund, Solveig Marianne Nordhov, John Andreas Rønning, Per Ivar Kaaresen :
    Cognitive outcome of early intervention in preterms at 7 and 9 years of age: a randomised controlled trial
    BMJ. British Medical Journal 23. Sep 2014 DOI / ARKIV
  • 1
    Nils Thomas Songstad, David Johansen, Ole-Jakob How, Per Ivar Kaaresen, Kirsti Ytrehus, Ganesh Acharya :
    Effect of transverse aortic constriction on cardiac structure, function and gene expression in pregnant rats
    PLOS ONE 2014 DOI / ARKIV
  • 1
    Claus Klingenberg, Marit Pettersen, Elin A Hansen, Linn Jahren Gustavsen, Ingvild Andersen Dahl, Arild Leknessund et al.:
    Patient comfort during treatment with heated humidified high flow nasal cannulae versus nasal continuous positive airway pressure: A randomised cross-over trial
    Archives of Disease in Childhood: Fetal and Neonatal Edition 2014 DOI / ARKIV
  • 1
    Gunn Kristin Øberg, Suzann K Campbell, Gay L Girolami, Tordis Ustad, Lone Jørgensen, Per Ivar Kaaresen :
    Study protocol: an early intervention program to improve motor outcome in preterm infants: a randomized controlled trial and a qualitative study of physiotherapy performance and parental experiences
    BMC Pediatrics 2012 DOI / ARKIV
  • 1
    Solveig Marianne Nordhov, John Andreas Rønning, Stein Erik Ulvund, Lauritz Bredrup Dahl, Per Ivar Kaaresen :
    Early Intervention Improves Behavioral Outcomes for Preterm Infants: Randomized Controlled Trial
    Pediatrics 2012 DOI / ARKIV
  • 1
    Kåre Sten Olafsen, John Andreas Rønning, Bjørn Helge Handegård, Stein Erik Ulvund, Lauritz Bredrup Dahl, Per Ivar Kaaresen :
    Regulatory competence and social communication in term and preterm infants at 12 months corrected age. Results from a randomized controlled trial
    Infant Behavior and Development 2012 DOI / ARKIV
  • 1
    Claus Klingenberg, Kevin Wheeler, Laurie B. Owen, Per Ivar Kaaresen, Peter G. Davis :
    An international survey of volume-targeted neonatal ventilation
    Archives of Disease in Childhood: Fetal and Neonatal Edition 2011 DOI / ARKIV
  • 1
    Katrine Tyborg Leversen, Kristian Sommerfelt, Arild Erlend Rønnestad, Per Ivar Kaaresen, Teresa Farstad, Janne Helen Skranes et al.:
    Prediction of Neurodevelopmental and Sensory Outcome at 5 Years in Norwegian Children Born Extremely Preterm
    Pediatrics 2011 DOI / ARKIV
  • 1
    Kåre Sten Olafsen, John Andreas Rønning, Stein Erik Ulvund, Lauritz Bredrup Dahl, Per Ivar Kaaresen :
    Behavioural outcomes and perinatal development
    Nova Acta Leopoldina 2011 ARKIV
  • 1
    Solveig Marianne Nordhov, Per Ivar Kaaresen, John Andreas Rønning, Stein Erik Ulvund, Lauritz Bredrup Dahl :
    A randomized study of the impact of a sensitizing intervention on the child-rearing attitudes of parents of low birth weight preterm infants
    Scandinavian Journal of Psychology 2010 DOI / ARKIV
  • 1
    Solveig Marianne Nordhov, John Andreas Rønning, Lauritz Bredrup Dahl, Stein Erik Ulvund, Jorunn Tunby, Per Ivar Kaaresen :
    Early Intervention Improves Cognitive Outcomes for Preterm Infants: Randomized Controlled Trial
    Pediatrics 2010 DOI / ARKIV
  • 1
    Katrine Tyborg Leversen, Kristian Sommerfelt, Arild Erlend Rønnestad, Per Ivar Kaaresen, Teresa Farstad, Janne Helen Skranes et al.:
    Predicting neurosensory disabilities at two years of age in a national cohort of extremely premature infants
    Early Human Development 2010 DOI / ARKIV
  • 1
    Helene Westbu Wold, Kristian Sommerfeldt, Halvard Reigstad, Arild Rønnestad, Sverre Medbø, Theresa Farstad et al.:
    Neonatal mortality and morbidity in extremely preterm small for gestational age infants: a population based study
    Archives of Disease in Childhood: Fetal and Neonatal Edition 2009 DOI / ARKIV
  • 1
    Claus Klingenberg, Per Ivar Kaaresen, Lauritz Bredrup Dahl :
    International Perspectives: Neonatology above the arctic circle
    NeoReviews 2009 DOI / ARKIV
  • 1
    Per Ivar Kaaresen, JA Ronning, John Andreas Rønning, Jorunn Tunby, Solveig Marianne Nordhov, Stein Erik Ulvund et al.:
    A randomized controlled trial of an early intervention program in low birth weight children: Outcome at 2 years
    Early Human Development 2008 DOI / ARKIV
  • 1
    Kåre Sten Olafsen, Per Ivar Kaaresen, BH Handegard, Bjørn Helge Handegård, Stein Erik Ulvund, Lauritz Bredrup Dahl et al.:
    Maternal ratings of infant regulatory competence from 6 to 12 months: Influence of perceived stress, birth-weight, and intervention - A randomized controlled trial
    Infant Behavior and Development 2008 DOI / ARKIV
  • 1
    Astri Maria Lang, Henrik Brun, Per Ivar Kaaresen, Claus Klingenberg :
    A population based 10-year study of neonatal air transport in North Norway
    Acta Paediatrica 2007 DOI / ARKIV
  • 1
    Astrid Lang, H Brun, Per Ivar Kaaresen, Claus Klingenberg :
    A population based 10-year study of neonatal air transport in North Norway
    Acta Paediatrica 2007 DOI / ARKIV
  • 1
    Nils Thomas Songstad, Claus Klingenberg, Per Ivar Kaaresen :
    Case 35-2006: a newborn boywith hypotonia (letter to the editro)
    New England Journal of Medicine 2007 ARKIV
  • 1
    Kåre Sten Olafsen, John Andreas Rønning, Lauritz Bredrup Dahl, Stein Erik Ulvund, Bjørn Helge Handegård, Per Ivar Kaaresen :
    Infant responsiveness and maternal confidence in the neonatal period
    Scandinavian Journal of Psychology 2007 DOI / ARKIV
  • 1
    Per Ivar Kaaresen, John Andreas Rønning, Jorunn Tunby, Solveig Marianne Nordhov Fredriksen, Stein Erik Ulvund, Lauritz Bredrup Dahl :
    A randomized controlled trial of an early intervention program in low birth weight children: Outcome at 2 years
    Early Human Development 2007 DOI / ARKIV
  • 1
    Kåre Sten Olafsen, John Andreas Rønning, Per Ivar Kaaresen, Stein Erik Ulvund, Bjørn Helge Handegård, Lauritz Bredrup Dahl :
    Joint attention in term and preterm infants at 12 months corrected age: The significance of gender and intervention based on a randomized controlled trial
    Infant Behavior and Development 2006 ARKIV
  • 1
    Per Ivar Kaaresen, John Andreas Rønning, Stein Erik Ulvund, Lauritz Bredrup Dahl :
    A randomized, controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth
    Pediatrics 2006 ARKIV
  • Gunn Kristin Øberg, Gay L. Girolami, Suzann K. Campbell, Tordis Ustad, Ivar Heuch, Bjarne Koster Jacobsen et al.:
    Erratum: Øberg GK, Girolami GL, Campbell SK, et al. Effects of a Parent-Administered Exercise Program in the Neonatal Intensive Care Unit: Dose Does Matter-A Randomized Controlled Trial.
    Physical Therapy 2020 DOI / ARKIV
  • Tordis Ustad, Toril Larsson Fjørtoft, Lone Jørgensen, Per Ivar Kaaresen, Gunn Kristin Øberg :
    General movements in a group of infants born preterm who have participated in an early intervention study
    2019 ARKIV
  • Toril Larsson Fjørtoft, Tordis Ustad, Lone Jørgensen, Per Ivar Kaaresen, Gunn Kristin Øberg :
    Infants born preterm show abnormal motor repertoire at three months corrected age
    2019 ARKIV
  • Toril Synnøve Larsso Fjørtoft, Tordis Ustad, Lone Jørgensen, Per Ivar Kaaresen, Gunn Kristin Øberg :
    Unormalt motorisk repertoar ved 3 måneder korrigert alder er vanlig hos spedbarn født for tidlig.
    2018 ARKIV
  • Tordis Ustad, Toril Synnøve Larsso Fjørtoft, Lone Jørgensen, Per Ivar Kaaresen, Gunn Kristin Øberg :
    «General Movements» hos for tidlig fødte barn som har deltatt i en randomisert kontrollert studie
    2018 ARKIV
  • Toril Larsson Fjørtoft, Tordis Ustad, Lone Jørgensen, Per Ivar Kaaresen, Gunn Kristin Øberg :
    Infants born preterm show abnormal motor repertoire at three months corrected age
    2018 ARKIV
  • Tordis Ustad, Toril Larsson Fjørtoft, Lone Jørgensen, Per Ivar Kaaresen, Gunn Kristin Øberg :
    General movements in a group of infants born preterm who have participated in an early intervention study
    2018 ARKIV
  • Tordis Ustad, Kari Anne Indredavik Evensen, Suzann K. Campbell, Gay L Girolami, Jorunn L. Helbostad, Lone Jørgensen et al.:
    Physiotherapy for infants born preterm, short-term outcome of a multi-centre randomised controlled trial
    2017 ARKIV
  • Tordis Ustad, Kari Anne Indredavik Evensen, Suzann K Campbell, Gay L Girolami, Jorunn L. Helbostad, Lone Jørgensen et al.:
    Tidlig intervensjon for å optimalisere motorisk funksjon; resultater fra norsk RCT
    2017 ARKIV
  • Toril Synnøve Larsso Fjørtoft, Tordis Ustad, Lone Jørgensen, Per Ivar Kaaresen, Gunn Kristin Øberg :
    Abnormal motor repertoire at three months corrected age is common in infants born preterm
    2017 ARKIV
  • Tordis Ustad, Kari Anne Evensen, Suzann K Campbell, Gay L Girolami, Jorunn L. Helbostad, Lone Jørgensen et al.:
    The Norwegian Physiotherapy Study in Preterm Infants, a randomized controlled study of early intervention: outcome at week 37 postmenstrual age
    2016 ARKIV
  • Tordis Ustad, Kari A. Indredavik Evensen, Suzann K Campbell, Gay L Girolami, Jorunn L. Helbostad, Lone Jørgensen et al.:
    Tidlig fysioterapi til barn som er født premature: En randomisert kontrollert studie
    Prematurposten 2016 ARKIV
  • Tordis Ustad, Kari Anne Indredavik Evensen, Suzann K Campbell, Gay L Girolami, Jorunn L. Helbostad, Lone Jørgensen et al.:
    The Norwegian Physiotherapy Study in Preterm Infants, a randomized controlled study of early intervention: outcome at week 37 postmenstrual age
    2016 ARKIV
  • Karine Pelc, Gunn Kristin Øberg, F Vanhorsigh, L De Wulf, AB Johansson, Per Ivar Kaaresen et al.:
    Development of a parent-administered postural, movement and social interaction intervention programme to improve outcome in preterm infants: a feasibility study
    2013 ARKIV
  • Tordis Ustad, gunn kristin Øberg, Per Ivar Kaaresen, Lone Jørgensen, Cathrine Labori, Hilde Alstad et al.:
    The Norwegian Physical Therapy study for Preterm Infants
    2011 ARKIV
  • Nils Thomas Songstad, Claus Klingenberg, Per Ivar Kaaresen :
    Case 35-2006: a newborn boy with hypotonia
    New England Journal of Medicine 2007 ARKIV
  • Per Ivar Kaaresen, John Andreas Rønning, Stein erik Ulvund, Lauritz Dahl Bredrup :
    A randomized controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth
    2006 ARKIV
  • Per Ivar Kaaresen, John Andreas Rønning, Stein erik Ulvund, Lauritz Dahl Bredrup :
    A randomized, controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth
    2006 ARKIV

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