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Associate Professor

Kaaresen, Per Ivar

Department of Clinical Medicine
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  • Øberg, Gunn Kristin; Girolami, Gay L; Campell, Suzann K.; Ustad, Tordis; Heuch, Ivar; Jacobsen, Bjarne K.; Kaaresen, Per Ivar; Aulie, Vibeke Smith; Jørgensen, Lone. Effects of a parent-administered exercise program in the neonatal intensive care unit: Dose does matter-a randomized controlled trial. Physical Therapy 2020; Volum 100 (5). ISSN 0031-9023.s 860 - 869.s doi: 10.1093/ptj/pzaa014.

  • Landsem, Inger Pauline; Handegård, Bjørn Helge; Kaaresen, Per Ivar; Tunby, Jorunn; Ulvund, Stein Erik; Rønning, John Andreas. 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 2019; Volum 6 (19). ISSN 2227-9067.s doi: 10.3390/children6020019.

  • Nordheim, Kine; Hovland, Ingunn Holmefoss; Kristiansen, Bjørn Erik; Kaaresen, Per Ivar; Flægstad, Trond. 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; Volum 107 (3). ISSN 0803-5253.s 490 - 495.s doi: 10.1111/apa.14135.

  • Øberg, Gunn Kristin; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Labori, Inger Cathrine; Girolami, Gay L.. Parents` perceptions of administering a motor intervention with their preterm infant in the NICU. European Journal of Physiotherapy 2018. ISSN 2167-9169.s 1 - 9.s doi: 10.1080/21679169.2018.1503718.

  • Fjørtoft, Toril Synnøve Larsso; Ustad, Tordis; Follestad, Turid; Kaaresen, Per Ivar; Øberg, Gunn Kristin. 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; Volum 112. ISSN 0378-3782.s 20 - 24.s doi: 10.1016/j.earlhumdev.2017.06.008.

  • Ustad, Tordis; Evensen, Kari Anne Indredavik; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Early Parent-Administered Physical Therapy for Preterm Infants: A Randomized Controlled Trial. Pediatrics 2016; Volum 138 (2). ISSN 0031-4005.s doi: 10.1542/peds.2016-0271.

  • Landsem, Inger Pauline; Handegård, Bjørn Helge; Ulvund, Stein Erik; Kaaresen, Per Ivar; Rønning, John Andreas. 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; Volum 13:25. ISSN 1477-7525.s doi: 10.1186/s12955-015-0221-9.

  • Landsem, Inger Pauline; Handegård, Bjørn Helge; Ulvund, Stein Erik; Tunby, Jorunn; Kaaresen, Per Ivar; Rønning, John Andreas. Does an early intervention influence behavioral development until age 9 in children born prematurely?. Child Development 2015; Volum 86 (4). ISSN 0009-3920.s 1063 - 1079.s doi: 10.1111/cdev.12368.

  • Songstad, Nils Thomas; Johansen, David; How, Ole-Jakob; Kaaresen, Per Ivar; Ytrehus, Kirsti; Acharya, Ganesh. Effect of transverse aortic constriction on cardiac structure, function and gene expression in pregnant rats. PLOS ONE 2014; Volum 9 (2). ISSN 1932-6203.s doi: 10.1371/journal.pone.0089559.

  • Hauglann, Lisbeth; Handegård, Bjørn Helge; Ulvund, Stein Erik; Nordhov, Solveig Marianne; Rønning, John Andreas; Kaaresen, Per Ivar. Cognitive outcome of early intervention in preterms at 7 and 9 years of age: a randomised controlled trial. BMJ. British Medical Journal 2014; Volum 100. ISSN 0959-8146.s F11 - F16.s doi: 10.1136/archdischild-2014-306496.

  • Klingenberg, Claus; Pettersen, Marit; Hansen, Elin A; Gustavsen, Linn Jahren; Dahl, Ingvild Andersen; Leknessund, Arild; Kaaresen, Per Ivar; Nordhov, Solveig Marianne. 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; Volum 99 (2). ISSN 1359-2998.s F134 - F137.s doi: 10.1136/archdischild-2013-304525.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Handegård, Bjørn Helge; Ulvund, Stein Erik; Dahl, Lauritz Bredrup; Kaaresen, Per Ivar. 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; Volum 35 (1). ISSN 0163-6383.s 140 - 149.s doi: 10.1016/j.infbeh.2011.08.001.

  • Øberg, Gunn Kristin; Campbell, Suzann K; Girolami, Gay L; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar. 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; Volum 12. ISSN 1471-2431.s doi: 10.1186/1471-2431-12-15.

  • Nordhov, Solveig Marianne; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup; Kaaresen, Per Ivar. Early Intervention Improves Behavioral Outcomes for Preterm Infants: Randomized Controlled Trial. Pediatrics 2012; Volum 129 (1). ISSN 0031-4005.s E9 - E16.s doi: 10.1542/peds.2011-0248.

  • Leversen, Katrine Tyborg; Sommerfelt, Kristian; Rønnestad, Arild Erlend; Kaaresen, Per Ivar; Farstad, Teresa; Skranes, Janne Helen; Støen, Ragnhild; Elgen, Irene Bircow; Rettedal, Siren; Eide, Geir Egil; Irgens, Lorentz M.; Markestad, Trond. Prediction of Neurodevelopmental and Sensory Outcome at 5 Years in Norwegian Children Born Extremely Preterm. Pediatrics 2011; Volum 127 (3). ISSN 0031-4005.s E630 - E638.s doi: 10.1542/peds.2010-1001.

  • Klingenberg, Claus; Wheeler, Kevin; Owen, Laurie B.; Kaaresen, Per Ivar; Davis, Peter G.. An international survey of volume-targeted neonatal ventilation. Archives of Disease in Childhood: Fetal and Neonatal Edition 2011; Volum 96 (2). ISSN 1359-2998.s F146 - F148.s doi: 10.1136/adc.2009.181081.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup; Kaaresen, Per Ivar. Behavioural outcomes and perinatal development. Nova Acta Leopoldina 2011; Volum 112 (382). ISSN 0369-5034.s 105 - 110.

  • Leversen, Katrine Tyborg; Sommerfelt, Kristian; Rønnestad, Arild Erlend; Kaaresen, Per Ivar; Farstad, Teresa; Skranes, Janne Helen; Støen, Ragnhild; Elgen, Irene Bircow; Rettedal, Siren; Eide, Geir Egil; Irgens, Lorentz M.; Markestad, Trond. Predicting neurosensory disabilities at two years of age in a national cohort of extremely premature infants. Early Human Development 2010; Volum 86 (9). ISSN 0378-3782.s 581 - 586.s doi: 10.1016/j.earlhumdev.2010.07.009.

  • Nordhov, Solveig Marianne; Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. 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; Volum 51 (5). ISSN 0036-5564.s 385 - 391.s doi: 10.1111/j.1467-9450.2009.00805.x.

  • Nordhov, Solveig Marianne; Rønning, John Andreas; Dahl, Lauritz Bredrup; Ulvund, Stein Erik; Tunby, Jorunn; Kaaresen, Per Ivar. Early Intervention Improves Cognitive Outcomes for Preterm Infants: Randomized Controlled Trial. Pediatrics 2010; Volum 126 (5). ISSN 0031-4005.s E1088 - E1094.s doi: 10.1542/peds.2010-0778.

  • Klingenberg, Claus; Kaaresen, Per Ivar; Dahl, Lauritz Bredrup. International Perspectives: Neonatology above the arctic circle. NeoReviews 2009; Volum 10 (7). ISSN 1526-9906.s e323 - e329.s doi: 10.1542/neo.10-7-e323.

  • Westbu Wold, Helene; Sommerfeldt, Kristian; Reigstad, Halvard; Rønnestad, Arild; Medbø, Sverre; Farstad, Theresa; Kaaresen, Per Ivar; Støen, Ragnhild; Leversen, KT; Irgens, Lorentz M.; Markestad, Trond. 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; Volum 94 (5). ISSN 1359-2998.s F363 - F367.s doi: 10.1136/adc.2009.157800.

  • Olafsen, Kåre Sten; Kaaresen, Per Ivar; Handegard, BH; Handegård, Bjørn Helge; Ulvund, Stein Erik; Dahl, Lauritz Bredrup; Rønning, John Andreas; Ronning, JA. 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; Volum 31. ISSN 0163-6383.s 408 - 421.s doi: 10.1016/j.infbeh.2007.12.005.

  • Kaaresen, Per Ivar; Ronning, JA; Rønning, John Andreas; Tunby, Jorunn; Nordhov, Solveig Marianne; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. A randomized controlled trial of an early intervention program in low birth weight children: Outcome at 2 years. Early Human Development 2008; Volum 84. ISSN 0378-3782.s 201 - 209.s doi: 10.1016/j.earlhumdev.2007.07.003.

  • Lang, Astrid; Brun, H; Kaaresen, Per Ivar; Klingenberg, Claus. A population based 10-year study of neonatal air transport in North Norway. Acta Paediatrica 2007; Volum 96 (7). ISSN 0803-5253.s 995 - 999.s doi: 10.1111/j.1651-2227.2007.00320.x.

  • Lang, Astri Maria; Brun, Henrik; Kaaresen, Per Ivar; Klingenberg, Claus. A population based 10-year study of neonatal air transport in North Norway. Acta Paediatrica 2007; Volum 96 (7). ISSN 0803-5253.s 995 - 999.s doi: 10.1111/j.1651-2227.2007.00320.x.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Dahl, Lauritz Bredrup; Ulvund, Stein Erik; Handegård, Bjørn Helge; Kaaresen, Per Ivar. Infant responsiveness and maternal confidence in the neonatal period. Scandinavian Journal of Psychology 2007; Volum 48 (6). ISSN 0036-5564.s 499 - 509.s doi: 10.1111/j.1467-9450.2007.00619.x.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Tunby, Jorunn; Fredriksen, Solveig Marianne Nordhov; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. A randomized controlled trial of an early intervention program in low birth weight children: Outcome at 2 years. Early Human Development 2007. ISSN 0378-3782.s doi: 10.1016/j.earlhumdev.2007.07.003.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Kvernmo, Siv; Rønning, John Andreas. Emotional, behavioral, social, and academic outcomes in adolescents born with very low birth weight. Pediatrics 2006; Volum 118. ISSN 0031-4005.s E449 - E459.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. A randomized, controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth. Pediatrics 2006; Volum 118. ISSN 0031-4005.s 9 - 19.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Kaaresen, Per Ivar; Ulvund, Stein Erik; Handegård, Bjørn Helge; Dahl, Lauritz Bredrup. 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; Volum 29. ISSN 0163-6383.s 554 - 563.

  • Rønnestad, Arild Erlend; Abrahamsen, Tore G; Medbø, Sverre; Reigstad, Hallvard; Lossius, Kristin; Kaaresen, Per Ivar; Engelund, Inger Elise; Irgens, Lorentz M.; Markestad, Trond. Septicemia in the First Week of Life in a Norwegian National Cohort of Extremely Premature Infants. (http://pediatrics.aappublications.org/cgi/reprint/115/3/e262) Pediatrics 2005; Volum 115 (3). ISSN 0031-4005.s 262 - 268.

  • Rønnestad, Arild Erlend; Abrahamsen, Tore G; Medbø, Sverre; Reigstad, Hallvard; Lossius, Kristin; Kaaresen, Per Ivar; Egeland, T; Engelund, Inger Elise; Irgens, Lorentz M.; Markestad, Trond. Late-Onset Septicemia in a Norwegian National Cohort of Extremely Premature Infants Receiving Very Early Full Human Milk Feeding. (http://pediatrics.aappublications.org/cgi/reprint/115/3/e269) Pediatrics 2005; Volum 115 (3). ISSN 0031-4005.s 269 - 275.

  • Markestad, Trond; Kaaresen, Per Ivar; Rønnestad, Arild Erlend; Reigstad, Hallvard; Lossius, Kristin; Medbø, Sverre; Zanussi, Gro; Engelund, Inger Elise; Skjærven, Rolv; Irgens, Lorentz M.. Early Death, Morbidity, and Need of Treatment Among Extremely Premature Infants. (http://pediatrics.aappublications.org/cgi/content/abstract/115/5/1289) Pediatrics 2005; Volum 115 (5). ISSN 0031-4005.s 1289 - 1298.s doi: 10.1542/peds.2004-1482.

  • Markestad, T; Kaaresen, Per Ivar; Ronnestad, A; Reigstad, H; Lossius, K; Medbo, S; Zanussi, G; Engelund, IE; Skjaerven, R; Irgens, LM. Early death, morbidity and need of treatment among extremely premature infants. Pediatrics 2005; Volum 115 (5). ISSN 0031-4005.s 1289 - 1298.

  • Ronnestad, A; Abrahamsen, TG; Medbo, S; Reigstad, H; Lossius, K; Kaaresen, Per Ivar; Engelund, IE; Irgens, LM; Markestad, T. Septicemia in the first week of life in a Norwegian national cohort of extremely premature infants. Pediatrics 2005; Volum 115 (3). ISSN 0031-4005.s e262 - e268.

  • Ronnestad, A; Abrahamsen, TG; Medbo, S; Reigstad, H; Lossius, K; Kaaresen, Per Ivar; Egeland, T; Engelund, IE; Irgens, LM; Markestad, T. Late-onset septicemia in a Norwegian national cohort of extremely premature infants receiving very early full human milk feeding. Pediatrics 2005; Volum 115 (3). ISSN 0031-4005.s e269 - e276.

  • Acharya, Ganesh Prasad; Sitras, V; Maltau, Jan Martin; Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Hanssen, TA; Lunde, P. Major congenital heart disease in Northern Norway: shortcomings of pre- and postnatal diagnosis. Acta Obstetricia et Gynecologica Scandinavica 2004; Volum 83. ISSN 0001-6349.s 1124 - 1129.

  • Øberg, Gunn Kristin; Girolami, Gay L.; Campbell, Suzann K.; Ustad, Tordis; Heuch, Ivar; Jacobsen, Bjarne Koster; Kaaresen, Per Ivar; Aulie, Vibeke Smith; Jørgensen, Lone. 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; Volum 100 (4). ISSN 0031-9023.s 741 - 741.s doi: 10.1093/ptj/pzaa026.

  • Ustad, Tordis; Fjørtoft, Toril Larsson; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. General movements in a group of infants born preterm who have participated in an early intervention study. World Confedertion for Physical Therapy Congress 2019 2019-05-10 - 2019-05-13 2019.

  • Fjørtoft, Toril Larsson; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Infants born preterm show abnormal motor repertoire at three months corrected age. WCPT 2019-05-10 - 2019-05-13 2019.

  • Ustad, Tordis; Fjørtoft, Toril Larsson; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. General movements in a group of infants born preterm who have participated in an early intervention study. European Academy of Childhood Disability 30th Annual Meeting; 2018-05-28 - 2018-05-31 2018.

  • Fjørtoft, Toril Larsson; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Infants born preterm show abnormal motor repertoire at three months corrected age. 30th European Academy of Childhood Disability (EACD) 2018-05-28 - 2018-05-31 2018.

  • Ustad, Tordis; Fjørtoft, Toril Synnøve Larsso; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. «General Movements» hos for tidlig fødte barn som har deltatt i en randomisert kontrollert studie. Fysioterapi kongressen 2018 2018-02-12 - 2018-02-14 2018.

  • Fjørtoft, Toril Synnøve Larsso; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Unormalt motorisk repertoar ved 3 måneder korrigert alder er vanlig hos spedbarn født for tidlig.. Fysioterapikongressen 2018 2018-02-12 - 2018-02-14 2018.

  • Ustad, Tordis; Evensen, Kari Anne Indredavik; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Tidlig intervensjon for å optimalisere motorisk funksjon; resultater fra norsk RCT. Fagdag CPOP / CPRN 2017-06-07 - 2017-06-07 2017.

  • Ustad, Tordis; Evensen, Kari Anne Indredavik; Campbell, Suzann K.; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Physiotherapy for infants born preterm, short-term outcome of a multi-centre randomised controlled trial. World Confederation for Physical Therapy (WCPT) 2017-07-02 - 2017-07-04 2017.

  • Fjørtoft, Toril Synnøve Larsso; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Abnormal motor repertoire at three months corrected age is common in infants born preterm. World Congress of Physical Therapy 2017-07-02 - 2017-07-04 2017.

  • Ustad, Tordis; Evensen, Kari Anne; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. The Norwegian Physiotherapy Study in Preterm Infants, a randomized controlled study of early intervention: outcome at week 37 postmenstrual age. Pediatric Academic Societies Meeting 2016-04-30 - 2016-05-03 2016.

  • Ustad, Tordis; Evensen, Kari A. Indredavik; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Tidlig fysioterapi til barn som er født premature: En randomisert kontrollert studie. Prematurposten 2016; Volum 4.s 8 - 10.

  • Ustad, Tordis; Evensen, Kari Anne Indredavik; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. The Norwegian Physiotherapy Study in Preterm Infants, a randomized controlled study of early intervention: outcome at week 37 postmenstrual age. European Academy of Childhood Disability 28th Annual Meeting 2016-06-01 - 2016-06-04 2016.

  • Pelc, Karine; Øberg, Gunn Kristin; Vanhorsigh, F; De Wulf, L; Johansson, AB; Kaaresen, Per Ivar; Dan, Bernard. Development of a parent-administered postural, movement and social interaction intervention programme to improve outcome in preterm infants: a feasibility study. From basic Research to Policy 2013-10-10 - 2013-10-12 2013.

  • Ustad, Tordis; Øberg, gunn kristin; Kaaresen, Per Ivar; Jørgensen, Lone; Labori, Cathrine; Alstad, Hilde; Skattør, Marianne; Kvisvik, Inger; Tynes Vågen, Randi; Fjørtoft, Toril. The Norwegian Physical Therapy study for Preterm Infants. 23rd Annual Meeting of the European Academy of Childhood Disability 2011-06-08 - 2011-06-11 2011.

  • Songstad, Nils Thomas; Klingenberg, Claus; Kaaresen, Per Ivar. Case 35-2006: a newborn boy with hypotonia. New England Journal of Medicine 2007; Volum 22 (356(8)). ISSN 0028-4793.s 874 - .

  • Songstad, Nils Thomas; Klingenberg, Claus; Kaaresen, Per Ivar. Case 35-2006: a newborn boywith hypotonia (letter to the editro). New England Journal of Medicine 2007; Volum 356. ISSN 0028-4793.s 874 - 874.

  • Nordhov, Solveig Marianne; Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. Kan tidlig samspillsintervensjon til foreldre med premature barn med fødselsvekt < 2kg påvirke foreldrenes syn på barneoppdragelse? En longitudinell randomisert intervensjonsstudie. Regional forskningskonferanse innen medisin og helse 2006-11-01 - 2006-11-02 2006.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein erik; Dahl Bredrup, Lauritz. A randomized controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth. The 4th World Conference: Developing Resilience and Strength Across the Life Span. 2006-10-11 - 2006-10-13 2006.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein erik; Dahl Bredrup, Lauritz. A randomized, controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth. Early Interventions for Infants and Small Children in Families at Risk. 2006-04-26 - 2006-04-28 2006.

  • Rønning, John Andreas; Ulvund, Stein erik; Kaaresen, Per Ivar; Dahl Bredrup, Lauritz. Early intervention of premature infants less than 2000 gram. The main project, background and design. Early interventions for infants and small children in families at risk. 2006-04-26 - 2006-04-28 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Kvernmo, Siv; Rønning, John Andreas. Emotional and behavioral problems and social and academic competence in very low birth weight adolescents. Regional forskningskonferanse innen medisin og helse 2006-11-01 - 2006-11-02 2006.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Kaaresen, Per Ivar; Ulvund, Stein Erik; Handegård, Bjørn Helge; Dahl, Lauritz Bredrup. Joint attention in term and preterm infants at 12 months corrected age: The significance of gender and intervention based on a randomized controlled trial. The 4th World Conference: The promotion of mental health and prevention of mental and behavioural disorders. 2006-11-11 - 2006-11-13 2006.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Kaaresen, Per Ivar; Dahl, Lauritz Bredrup; Ulvund, Stein Erik; Handegård, Bjørn Helge. Joint attention in term and preterm infants at 12 months corrected age: The significance of gender and intervention based on a randomized controlled trial. Regional forskningskonferanse innen medisin og helse 2006-11-01 - 2006-11-02 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Kvernmo, Siv; Rønning, John Andreas. Emotional, behavioral,social and academic outcomes in adolescents born with very low birth weight. Europediatrics 2006-10-07 - 2006-10-10 2006.

  • Kaaresen, Per Ivar; Tunby, Jorunn; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. A randomized controlled trial of an early intervention program in preterm infants: outcome at two years corrected age. European conference in perinatal medicine 2006-05-18 - 2006-05-21 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Ulvund, Stein Erik; Rønning, John Andreas. Atferdsproblemer og sosial- og akademisk kompetanse hos VLBW ungdom. En populasjonsbasert studie fra Troms og Finnmark, basert på foreldrerapport og selvrapport. Årsmøte og høstkonferanse 2006 NFSU 2006-10-27 - 2006-10-28 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Kvernmo, Siv; Rønning, John Andreas. Emosjonelle og atferdsmessige problemer og sosial og akademisk kompetanse hos VLBW ungdom. En populasjonsbasert studie. Perinataldagene 2005-11-09 - 2005-11-11 2005.

  • Olafsen, Kåre; Rønning, John a.; Ulvund, Stein Erik; Kaaresen, Per ivar; Handegård, Bjørn Helge; Dahl, Lauritz b.. Responsitivity in preterm and fullterm neonates: The significance of different levels of infant responsitivity for parental confidence and experience of stress. Regional forskningskonferanse 2004-11-03 - 2004-11-04 2004.

  • Kaaresen, Per Ivar; Frediksen, MN; Rønning, John Andreas; Ulvund, Stein erik; Dahl, Lauritz Bredrup. Preterm birth: Reduction in parenting stress - A randomized controlled trial (RCT). Pediatric Research 2004; Volum 55. ISSN 0031-3998.s 492A - 492A.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein Erik; Dahl Bredrup, Lauritz. Preterm birth: Reducing parenting stress. A randomized controlled trial (RCT). Helse Nord's Forskningskonferanse 2004-11-03 - 2004-11-04 2004.

  • Kaaresen, Per Ivar; Fredriksen, Marianne; Rønning, John Andreas; Ulvund, Stein Erik; Dahl Bredrup, Lauritz. Preterm birth: Reduction in parenting stress. A randomized controlled trial. Pediatric Academic Societies´ Annual Meeting 2004-05-01 - 2004-05-04 2004.

  • Olafsen, kÅre sten; Rønning, John Andreas; Ulvund, Stein Erik; Kaaresen, Per Ivar; Handegård, Bjørn Helge; Dahl Bredrup, Lauritz. Responsivity in preterm and fullterm neonates: The significance of different levels of infant responsivity for parental confidence and experience of stress. Helse Nord's Forskningskonferanse 2004-11-03 - 2004-11-04 2004.

  • Kaaresen, Per ivar; Rønning, John a.; Ulvund, Stein Erik; Dahl, Lauritz b.. Kan et tidlig intervensjonsprogram redusere foreldrestress etter en prematur fødsel? En randomisert kontrollert undersøkelse. Norske Perinataldager 2004-11-10 - 2004-11-12 2004.

  • Kaaresen, Per ivar; Fredriksen, Marianne; Rønning, John a.; Ulvund, Stein Erik; Dahl, Lauritz b.. Preterm birth: Reduction in parenting stress - A randomized controlled trial (RCTI). Pediatric Academic Societies Annual Meeting 2004-05-01 - 2004-05-04 2004.

  • Markestad, Trond; Engelund, Inger Elise; Rønnestad, Arild; Medbø, Sverre; Reigstad, Hallvard; Lossius, Kristin; Kaaresen, Per Ivar; Zanussi, Gro; Irgens, Lorentz M.. Survival of extremely premature infants in Norway. Europeam Conference in Perinatal Medicine 2002-06-21 - 2002.

  • Rønning, John; Ulvund, Stein Erik; Bredrup Dahl, Lauritz; Kaaresen, Per Ivar; Tunby, Jorunn; Cheetham, Nina. Early intervention of premature infants less than 2000 gram. Introduction to providing developmental care in the NICU 2000-11-06 - 2000-11-08 2000.

  • Øberg, Gunn Kristin; Girolami, Gay L.; Campbell, Suzann K.; Ustad, Tordis; Heuch, Ivar; Jacobsen, Bjarne Koster; Kaaresen, Per Ivar; Aulie, Vibeke Smith; Jørgensen, Lone. 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; Volum 100 (4). ISSN 0031-9023.s 741 - 741.s doi: 10.1093/ptj/pzaa026.

  • Ustad, Tordis; Fjørtoft, Toril Larsson; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. General movements in a group of infants born preterm who have participated in an early intervention study. World Confedertion for Physical Therapy Congress 2019 2019-05-10 - 2019-05-13 2019.

  • Fjørtoft, Toril Larsson; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Infants born preterm show abnormal motor repertoire at three months corrected age. WCPT 2019-05-10 - 2019-05-13 2019.

  • Ustad, Tordis; Fjørtoft, Toril Larsson; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. General movements in a group of infants born preterm who have participated in an early intervention study. European Academy of Childhood Disability 30th Annual Meeting; 2018-05-28 - 2018-05-31 2018.

  • Fjørtoft, Toril Larsson; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Infants born preterm show abnormal motor repertoire at three months corrected age. 30th European Academy of Childhood Disability (EACD) 2018-05-28 - 2018-05-31 2018.

  • Ustad, Tordis; Fjørtoft, Toril Synnøve Larsso; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. «General Movements» hos for tidlig fødte barn som har deltatt i en randomisert kontrollert studie. Fysioterapi kongressen 2018 2018-02-12 - 2018-02-14 2018.

  • Fjørtoft, Toril Synnøve Larsso; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Unormalt motorisk repertoar ved 3 måneder korrigert alder er vanlig hos spedbarn født for tidlig.. Fysioterapikongressen 2018 2018-02-12 - 2018-02-14 2018.

  • Ustad, Tordis; Evensen, Kari Anne Indredavik; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Tidlig intervensjon for å optimalisere motorisk funksjon; resultater fra norsk RCT. Fagdag CPOP / CPRN 2017-06-07 - 2017-06-07 2017.

  • Ustad, Tordis; Evensen, Kari Anne Indredavik; Campbell, Suzann K.; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Physiotherapy for infants born preterm, short-term outcome of a multi-centre randomised controlled trial. World Confederation for Physical Therapy (WCPT) 2017-07-02 - 2017-07-04 2017.

  • Fjørtoft, Toril Synnøve Larsso; Ustad, Tordis; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Abnormal motor repertoire at three months corrected age is common in infants born preterm. World Congress of Physical Therapy 2017-07-02 - 2017-07-04 2017.

  • Ustad, Tordis; Evensen, Kari Anne; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. The Norwegian Physiotherapy Study in Preterm Infants, a randomized controlled study of early intervention: outcome at week 37 postmenstrual age. Pediatric Academic Societies Meeting 2016-04-30 - 2016-05-03 2016.

  • Ustad, Tordis; Evensen, Kari A. Indredavik; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. Tidlig fysioterapi til barn som er født premature: En randomisert kontrollert studie. Prematurposten 2016; Volum 4.s 8 - 10.

  • Ustad, Tordis; Evensen, Kari Anne Indredavik; Campbell, Suzann K; Girolami, Gay L; Helbostad, Jorunn L.; Jørgensen, Lone; Kaaresen, Per Ivar; Øberg, Gunn Kristin. The Norwegian Physiotherapy Study in Preterm Infants, a randomized controlled study of early intervention: outcome at week 37 postmenstrual age. European Academy of Childhood Disability 28th Annual Meeting 2016-06-01 - 2016-06-04 2016.

  • Pelc, Karine; Øberg, Gunn Kristin; Vanhorsigh, F; De Wulf, L; Johansson, AB; Kaaresen, Per Ivar; Dan, Bernard. Development of a parent-administered postural, movement and social interaction intervention programme to improve outcome in preterm infants: a feasibility study. From basic Research to Policy 2013-10-10 - 2013-10-12 2013.

  • Ustad, Tordis; Øberg, gunn kristin; Kaaresen, Per Ivar; Jørgensen, Lone; Labori, Cathrine; Alstad, Hilde; Skattør, Marianne; Kvisvik, Inger; Tynes Vågen, Randi; Fjørtoft, Toril. The Norwegian Physical Therapy study for Preterm Infants. 23rd Annual Meeting of the European Academy of Childhood Disability 2011-06-08 - 2011-06-11 2011.

  • Songstad, Nils Thomas; Klingenberg, Claus; Kaaresen, Per Ivar. Case 35-2006: a newborn boy with hypotonia. New England Journal of Medicine 2007; Volum 22 (356(8)). ISSN 0028-4793.s 874 - .

  • Songstad, Nils Thomas; Klingenberg, Claus; Kaaresen, Per Ivar. Case 35-2006: a newborn boywith hypotonia (letter to the editro). New England Journal of Medicine 2007; Volum 356. ISSN 0028-4793.s 874 - 874.

  • Nordhov, Solveig Marianne; Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. Kan tidlig samspillsintervensjon til foreldre med premature barn med fødselsvekt < 2kg påvirke foreldrenes syn på barneoppdragelse? En longitudinell randomisert intervensjonsstudie. Regional forskningskonferanse innen medisin og helse 2006-11-01 - 2006-11-02 2006.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein erik; Dahl Bredrup, Lauritz. A randomized controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth. The 4th World Conference: Developing Resilience and Strength Across the Life Span. 2006-10-11 - 2006-10-13 2006.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein erik; Dahl Bredrup, Lauritz. A randomized, controlled trial of the effectiveness of an early-intervention program in reducing parenting stress after preterm birth. Early Interventions for Infants and Small Children in Families at Risk. 2006-04-26 - 2006-04-28 2006.

  • Rønning, John Andreas; Ulvund, Stein erik; Kaaresen, Per Ivar; Dahl Bredrup, Lauritz. Early intervention of premature infants less than 2000 gram. The main project, background and design. Early interventions for infants and small children in families at risk. 2006-04-26 - 2006-04-28 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Kvernmo, Siv; Rønning, John Andreas. Emotional and behavioral problems and social and academic competence in very low birth weight adolescents. Regional forskningskonferanse innen medisin og helse 2006-11-01 - 2006-11-02 2006.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Kaaresen, Per Ivar; Ulvund, Stein Erik; Handegård, Bjørn Helge; Dahl, Lauritz Bredrup. Joint attention in term and preterm infants at 12 months corrected age: The significance of gender and intervention based on a randomized controlled trial. The 4th World Conference: The promotion of mental health and prevention of mental and behavioural disorders. 2006-11-11 - 2006-11-13 2006.

  • Olafsen, Kåre Sten; Rønning, John Andreas; Kaaresen, Per Ivar; Dahl, Lauritz Bredrup; Ulvund, Stein Erik; Handegård, Bjørn Helge. Joint attention in term and preterm infants at 12 months corrected age: The significance of gender and intervention based on a randomized controlled trial. Regional forskningskonferanse innen medisin og helse 2006-11-01 - 2006-11-02 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Kvernmo, Siv; Rønning, John Andreas. Emotional, behavioral,social and academic outcomes in adolescents born with very low birth weight. Europediatrics 2006-10-07 - 2006-10-10 2006.

  • Kaaresen, Per Ivar; Tunby, Jorunn; Rønning, John Andreas; Ulvund, Stein Erik; Dahl, Lauritz Bredrup. A randomized controlled trial of an early intervention program in preterm infants: outcome at two years corrected age. European conference in perinatal medicine 2006-05-18 - 2006-05-21 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Ulvund, Stein Erik; Rønning, John Andreas. Atferdsproblemer og sosial- og akademisk kompetanse hos VLBW ungdom. En populasjonsbasert studie fra Troms og Finnmark, basert på foreldrerapport og selvrapport. Årsmøte og høstkonferanse 2006 NFSU 2006-10-27 - 2006-10-28 2006.

  • Dahl, Lauritz Bredrup; Kaaresen, Per Ivar; Tunby, Jorunn; Handegård, Bjørn Helge; Kvernmo, Siv; Rønning, John Andreas. Emosjonelle og atferdsmessige problemer og sosial og akademisk kompetanse hos VLBW ungdom. En populasjonsbasert studie. Perinataldagene 2005-11-09 - 2005-11-11 2005.

  • Olafsen, Kåre; Rønning, John a.; Ulvund, Stein Erik; Kaaresen, Per ivar; Handegård, Bjørn Helge; Dahl, Lauritz b.. Responsitivity in preterm and fullterm neonates: The significance of different levels of infant responsitivity for parental confidence and experience of stress. Regional forskningskonferanse 2004-11-03 - 2004-11-04 2004.

  • Kaaresen, Per Ivar; Frediksen, MN; Rønning, John Andreas; Ulvund, Stein erik; Dahl, Lauritz Bredrup. Preterm birth: Reduction in parenting stress - A randomized controlled trial (RCT). Pediatric Research 2004; Volum 55. ISSN 0031-3998.s 492A - 492A.

  • Kaaresen, Per Ivar; Rønning, John Andreas; Ulvund, Stein Erik; Dahl Bredrup, Lauritz. Preterm birth: Reducing parenting stress. A randomized controlled trial (RCT). Helse Nord's Forskningskonferanse 2004-11-03 - 2004-11-04 2004.

  • Kaaresen, Per Ivar; Fredriksen, Marianne; Rønning, John Andreas; Ulvund, Stein Erik; Dahl Bredrup, Lauritz. Preterm birth: Reduction in parenting stress. A randomized controlled trial. Pediatric Academic Societies´ Annual Meeting 2004-05-01 - 2004-05-04 2004.

  • Olafsen, kÅre sten; Rønning, John Andreas; Ulvund, Stein Erik; Kaaresen, Per Ivar; Handegård, Bjørn Helge; Dahl Bredrup, Lauritz. Responsivity in preterm and fullterm neonates: The significance of different levels of infant responsivity for parental confidence and experience of stress. Helse Nord's Forskningskonferanse 2004-11-03 - 2004-11-04 2004.

  • Kaaresen, Per ivar; Rønning, John a.; Ulvund, Stein Erik; Dahl, Lauritz b.. Kan et tidlig intervensjonsprogram redusere foreldrestress etter en prematur fødsel? En randomisert kontrollert undersøkelse. Norske Perinataldager 2004-11-10 - 2004-11-12 2004.

  • Kaaresen, Per ivar; Fredriksen, Marianne; Rønning, John a.; Ulvund, Stein Erik; Dahl, Lauritz b.. Preterm birth: Reduction in parenting stress - A randomized controlled trial (RCTI). Pediatric Academic Societies Annual Meeting 2004-05-01 - 2004-05-04 2004.

  • Markestad, Trond; Engelund, Inger Elise; Rønnestad, Arild; Medbø, Sverre; Reigstad, Hallvard; Lossius, Kristin; Kaaresen, Per Ivar; Zanussi, Gro; Irgens, Lorentz M.. Survival of extremely premature infants in Norway. Europeam Conference in Perinatal Medicine 2002-06-21 - 2002.

  • Rønning, John; Ulvund, Stein Erik; Bredrup Dahl, Lauritz; Kaaresen, Per Ivar; Tunby, Jorunn; Cheetham, Nina. Early intervention of premature infants less than 2000 gram. Introduction to providing developmental care in the NICU 2000-11-06 - 2000-11-08 2000.

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