Per Morten Fredriksen


    Publications 2020

    Kharlova I, Deng WH, Mamen J, Mamen A, Fredriksen MV, Fredriksen PM (2020)
    The Weather Impact on Physical Activity of 6-12 Year Old Children: A Clustered Study of the Health Oriented Pedagogical Project (HOPP)
    Sports (Basel), 8 (1)
    DOI 10.3390/sports8010009, PubMed 31963824

    Publications 2019

    Fredriksen PM, Olsen HK, Johansen Meza T (2019)
    Changes in Quality of Life in Elementary School Children-The Health Oriented Pedagogical Project (HOPP)
    Sports (Basel), 7 (1)
    DOI 10.3390/sports7010011, PubMed 30609845

    Publications 2018

    Deng WH, Fredriksen PM (2018)
    Objectively assessed moderate-to-vigorous physical activity levels among primary school children in Norway: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 38-47
    DOI 10.1177/1403494818771207, PubMed 29754576

    Deng WH, Lindberg M, Hjelle OP, Mamen A, Fredriksen PM (2018)
    Cardiovascular risk factors in a child population: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 28-37
    DOI 10.1177/1403494818770130, PubMed 29754570

    Fredriksen PM, Mamen A, Gammelsrud H, Lindberg M, Hjelle OP (2018)
    Factors affecting running performance in 6-12-year-olds: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 61-67
    DOI 10.1177/1403494818767816, PubMed 29754572

    Fredriksen PM, Mamen A, Hjelle OP, Lindberg M (2018)
    Handgrip strength in 6-12-year-old children: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 54-60
    DOI 10.1177/1403494818769851, PubMed 29754575

    Fredriksen PM, Skår A, Mamen A (2018)
    Waist circumference in 6-12-year-old children: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 12-20
    DOI 10.1177/1403494818767790, PubMed 29754573

    Konijnenberg C, Fredriksen PM (2018)
    The effects of a school-based physical activity intervention programme on children's executive control: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 82-91
    DOI 10.1177/1403494818767823, PubMed 29754580

    Lezhnieva N, Fredriksen PM, Bekkhus M (2018)
    Peer relationships and quality of life in 11-12-year-old children: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 74-81
    DOI 10.1177/1403494818767788, PubMed 29754579

    Mamen A, Fredriksen PM (2018)
    Anthropometric measures as fitness indicators in primary school children: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 48-53
    DOI 10.1177/1403494818770129, PubMed 29754574

    Ringdal K, Ringdal GI, Olsen HK, Mamen A, Fredriksen PM (2018)
    Quality of life in primary school children: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 68-73
    DOI 10.1177/1403494818767821, PubMed 29754578

    Skår A, Meza TJ, Fredriksen PM (2018)
    Development of weight and height in Norwegian children: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 3-11
    DOI 10.1177/1403494818769852, PubMed 29754577

    Strand MF, Fredriksen PM, Hjelle OP, Lindberg M (2018)
    Reference intervals for serum lipids and prevalence of dyslipidaemia in 6-12-year-old children: The Health Oriented Pedagogical Project (HOPP)
    Scand J Public Health, 46 (21_suppl), 21-27
    DOI 10.1177/1403494818767824, PubMed 29754571

    Publications 2017

    Fredriksen PM, Hjelle OP, Mamen A, Meza TJ, Westerberg AC (2017)
    The health Oriented pedagogical project (HOPP) - a controlled longitudinal school-based physical activity intervention program
    BMC Public Health, 17 (1), 370
    DOI 10.1186/s12889-017-4282-z, PubMed 28454531

    Fredriksen PM, Mamen A (2017)
    Energy requirements of tire pulling
    J Sports Med Phys Fitness, 57 (10), 1245-1251
    DOI 10.23736/S0022-4707.17.06896-7, PubMed 28198604

    Publications 2012

    Brun H, Moller T, Fredriksen PM, Thaulow E, Pripp AH, Holmstrom H (2012)
    Mechanisms of exercise-induced pulmonary hypertension in patients with cardiac septal defects
    Pediatr Cardiol, 33 (5), 782-90
    DOI 10.1007/s00246-012-0216-9, PubMed 22383098

    Forberg SI, Støren O, Fredriksen PM (2012)
    Blood pressure during leg extension in children
    Int J Sports Med, 33 (10), 802-6
    DOI 10.1055/s-0032-1304589, PubMed 22562747

    Publications 2011

    Tangeraas T, Midtvedt K, Cvancarova M, Hirth A, Fredriksen PM, Tonstad S, Isaksen GA, Bjerre A (2011)
    Cardiorespiratory fitness in young adults with a history of renal transplantation in childhood
    Pediatr Nephrol, 26 (11), 2041-9
    DOI 10.1007/s00467-011-1898-6, PubMed 21541798

    Publications 2010

    Möller T, Brun H, Fredriksen PM, Holmstrøm H, Peersen K, Pettersen E, Grünig E, Mereles D, Thaulow E (2010)
    Right ventricular systolic pressure response during exercise in adolescents born with atrial or ventricular septal defect
    Am J Cardiol, 105 (11), 1610-6
    DOI 10.1016/j.amjcard.2010.01.024, PubMed 20494671

    Möller T, Brun H, Fredriksen PM, Holmstrøm H, Pettersen E, Thaulow E (2010)
    Moderate altitude increases right ventricular pressure and oxygen desaturation in adolescents with surgically closed septal defect
    Congenit Heart Dis, 5 (6), 556-64
    DOI 10.1111/j.1747-0803.2010.00425.x, PubMed 21106015

    Möller T, Leren TP, Eiklid KL, Holmstrøm H, Fredriksen PM, Thaulow E (2010)
    A novel BMPR2 gene mutation associated with exercise-induced pulmonary hypertension in septal defects
    Scand Cardiovasc J, 44 (6), 331-6
    DOI 10.3109/14017431.2010.525747, PubMed 21070126

    Tangeraas T, Midtvedt K, Fredriksen PM, Cvancarova M, Mørkrid L, Bjerre A (2010)
    Cardiorespiratory fitness is a marker of cardiovascular health in renal transplanted children
    Pediatr Nephrol, 25 (11), 2343-50
    DOI 10.1007/s00467-010-1596-9, PubMed 20676694

    Publications 2009

    Fredriksen PM, Diseth TH, Thaulow E (2009)
    Children and adolescents with congenital heart disease: assessment of behavioural and emotional problems
    Eur Child Adolesc Psychiatry, 18 (5), 292-300
    DOI 10.1007/s00787-008-0730-8, PubMed 19156353

    Mathisen L, Lingaas PS, Andersen MH, Hol PK, Fredriksen PM, Sundet K, Rokne B, Wahl AK, Fosse E (2009)
    Changes in cardiac and cognitive function and self-reported outcomes at one year after coronary artery bypass grafting
    J Thorac Cardiovasc Surg, 140 (1), 122-8
    DOI 10.1016/j.jtcvs.2009.10.034, PubMed 20018306

    Möller T, Peersen K, Pettersen E, Thaulow E, Holmstrøm H, Fredriksen PM (2009)
    Non-invasive measurement of the response of right ventricular pressure to exercise, and its relation to aerobic capacity
    Cardiol Young, 19 (5), 465-73
    DOI 10.1017/S1047951109990928, PubMed 19674500

    Pettersen E, Fredriksen PM, Urheim S, Thaulow E, Smith HJ, Smevik B, Smiseth O, Andersen K (2009)
    Ventricular function in patients with transposition of the great arteries operated with arterial switch
    Am J Cardiol, 104 (4), 583-9
    DOI 10.1016/j.amjcard.2009.04.029, PubMed 19660616

    Publications 2008

    Fredriksen PM, Pettersen E, Thaulow E (2008)
    Declining aerobic capacity of patients with arterial and atrial switch procedures
    Pediatr Cardiol, 30 (2), 166-71
    DOI 10.1007/s00246-008-9291-3, PubMed 18712434

    Holm I, Fredriksen P, Fosdahl M, Vøllestad N (2008)
    A normative sample of isotonic and isokinetic muscle strength measurements in children 7 to 12 years of age
    Acta Paediatr, 97 (5), 602-7
    DOI 10.1111/j.1651-2227.2008.00709.x, PubMed 18355391

    Holm I, Tveter AT, Fredriksen PM, Vøllestad N (2008)
    A normative sample of gait and hopping on one leg parameters in children 7-12 years of age
    Gait Posture, 29 (2), 317-21
    DOI 10.1016/j.gaitpost.2008.09.016, PubMed 19019681

    Publications 2007

    Brun H, Thaulow E, Fredriksen PM, Holmstrom H (2007)
    Treatment of patients with Eisenmenger's syndrome with Bosentan
    Cardiol Young, 17 (3), 288-94
    DOI 10.1017/S1047951107000522, PubMed 17451611

    Fredriksen PM, Roislien J, Thaulow E (2007)
    The estimated number of patients with adult congenital heart defects in Norway
    Scand J Med Sci Sports, 18 (4), 520-5
    DOI 10.1111/j.1600-0838.2007.00734.x, PubMed 18067513

    Holm I, Fredriksen PM, Fosdahl MA, Olstad M, Vøllestad N (2007)
    Impaired motor competence in school-aged children with complex congenital heart disease
    Arch Pediatr Adolesc Med, 161 (10), 945-50
    DOI 10.1001/archpedi.161.10.945, PubMed 17909137

    Publications 2006

    Hagemo PS, Skarbø AB, Rasmussen M, Fredriksen PM, Schage S (2006)
    An extensive long term follow-up of a cohort of patients with hypoplasia of the left heart
    Cardiol Young, 17 (1), 51-5
    DOI 10.1017/S1047951106001284, PubMed 17184572

    Lingaas PS, Hol PK, Lundblad R, Rein KA, Mathisen L, Smith HJ, Andersen R, Thaulow E, Tønnesen TI, Svennevig JL, Hauge SN, Fredriksen PM, Andersen M, Fosse E (2006)
    Clinical and radiologic outcome of off-pump coronary surgery at 12 months follow-up: a prospective randomized trial
    Ann Thorac Surg, 81 (6), 2089-95
    DOI 10.1016/j.athoracsur.2005.12.003, PubMed 16731135

    Matthews IL, Fredriksen PM, Bjørnstad PG, Thaulow E, Gronn M (2006)
    Reduced pulmonary function in children with the Fontan circulation affects their exercise capacity
    Cardiol Young, 16 (3), 261-7
    DOI 10.1017/S1047951106000345, PubMed 16725065

    Publications 2005

    Clarke-Jenssen AC, Fredriksen PM, Lilleby V, Mengshoel AM (2005)
    Effects of supervised aerobic exercise in patients with systemic lupus erythematosus: a pilot study
    Arthritis Rheum, 53 (2), 308-12
    DOI 10.1002/art.21082, PubMed 15818657

    Publications 2004

    Dahl A, Skjeldal OH, Simensen A, Dalen HE, Bråthen T, Ahlvin P, Svendsby EK, Sveinall A, Fredriksen PM (2004)
    [Treatment of patients with neuromuscular disease in a warm climate]
    Tidsskr Nor Laegeforen, 124 (13-14), 1795-8
    PubMed 15229669

    Fredriksen PM, Mengshoel AM, Frydenlund A, Sørbye Ø, Thaulow E (2004)
    Follow-up in patients with congenital cardiac disease more complex than haemodynamic assessment
    Cardiol Young, 14 (4), 373-9
    DOI 10.1017/S1047951104004044, PubMed 15680042

    Thaulow E, Fredriksen PM (2004)
    Exercise and training in adults with congenital heart disease
    Int J Cardiol, 97 Suppl 1, 35-8
    DOI 10.1016/j.ijcard.2004.08.007, PubMed 15590077

    Publications 2003

    Pettersen SA, Fredriksen PM (2003)
    [How to scale aerobic capacity in children and adolescents?]
    Tidsskr Nor Laegeforen, 123 (22), 3203-5
    PubMed 14714009

    Publications 2002

    Fredriksen PM (2002)
    Exercise-based cardiac rehabilitation is effective in reducing cardiac deaths
    Aust J Physiother, 48 (4), 319
    DOI 10.1016/s0004-9514(14)60177-x, PubMed 12542038

    Fredriksen PM, Therrien J, Veldtman G, Ali Warsi M, Liu P, Thaulow E, Webb G (2002)
    Aerobic capacity in adults with tetralogy of Fallot
    Cardiol Young, 12 (6), 554-9
    DOI 10.1017/s1047951102001002, PubMed 12636004

    Publications 2001

    Fredriksen PM, Chen A, Veldtman G, Hechter S, Therrien J, Webb G (2001)
    Exercise capacity in adult patients with congenitally corrected transposition of the great arteries
    Heart, 85 (2), 191-5
    DOI 10.1136/heart.85.2.191, PubMed 11156671

    Fredriksen PM, Therrien J, Veldtman G, Warsi MA, Liu P, Siu S, Williams W, Granton J, Webb G (2001)
    Lung function and aerobic capacity in adult patients following modified Fontan procedure
    Heart, 85 (3), 295-9
    DOI 10.1136/heart.85.3.295, PubMed 11179270

    Fredriksen PM, Veldtman G, Hechter S, Therrien J, Chen A, Warsi MA, Freeman M, Liu P, Siu S, Thaulow E, Webb G (2001)
    Aerobic capacity in adults with various congenital heart diseases
    Am J Cardiol, 87 (3), 310-4
    DOI 10.1016/s0002-9149(00)01364-3, PubMed 11165966

    Hechter SJ, Fredriksen PM, Liu P, Veldtman G, Merchant N, Freeman M, Therrien J, Benson L, Siu S, Webb G (2001)
    Angiotensin-converting enzyme inhibitors in adults after the Mustard procedure
    Am J Cardiol, 87 (5), 660-3, A11
    DOI 10.1016/s0002-9149(00)01452-1, PubMed 11230861

    Hechter SJ, Webb G, Fredriksen PM, Benson L, Merchant N, Freeman M, Veldtman G, Warsi MA, Siu S, Liu P (2001)
    Cardiopulmonary exercise performance in adult survivors of the Mustard procedure
    Cardiol Young, 11 (4), 407-14
    DOI 10.1017/s104795110100052x, PubMed 11558950

    Pettersen SA, Fredriksen PM, Ingjer E (2001)
    The correlation between peak oxygen uptake (VO2peak) and running performance in children and adolescents. aspects of different units
    Scand J Med Sci Sports, 11 (4), 223-8
    DOI 10.1034/j.1600-0838.2001.110405.x, PubMed 11476427

    Veldtman GR, Nishimoto A, Siu S, Freeman M, Fredriksen PM, Gatzoulis MA, Williams WG, Webb GD (2001)
    The Fontan procedure in adults
    Heart, 86 (3), 330-5
    DOI 10.1136/heart.86.3.330, PubMed 11514490

    Publications 2000

    Fredriksen PM, Ingjer E, Thaulow E (2000)
    Physical activity in children and adolescents with congenital heart disease. Aspects of measurements with an activity monitor
    Cardiol Young, 10 (2), 98-106
    DOI 10.1017/s1047951100006545, PubMed 10817292

    Fredriksen PM, Kahrs N, Blaasvaer S, Sigurdsen E, Gundersen O, Roeksund O, Norgaand G, Vik JT, Soerbye O, Ingjer E, Thaulow E (2000)
    Effect of physical training in children and adolescents with congenital heart disease
    Cardiol Young, 10 (2), 107-14
    DOI 10.1017/s1047951100006557, PubMed 10817293

    Fredriksen PM, Pettersen SA (2000)
    [Physical activity and physical performance in children and adolescents]
    Tidsskr Nor Laegeforen, 120 (29), 3567-70
    PubMed 11188387

    Publications 1999

    Fredriksen PM, Ingjer F, Nystad W, Thaulow E (1999)
    A comparison of VO2(peak) between patients with congenital heart disease and healthy subjects, all aged 8-17 years
    Eur J Appl Physiol Occup Physiol, 80 (5), 409-16
    DOI 10.1007/s004210050612, PubMed 10502074

    Publications 1998

    Fredriksen PM, Ingjer F, Nystad W, Thaulow E (1998)
    Aerobic endurance testing of children and adolescents--a comparison of two treadmill-protocols
    Scand J Med Sci Sports, 8 (4), 203-7
    DOI 10.1111/j.1600-0838.1998.tb00193.x, PubMed 9764441

    Fredriksen PM, Ingjer F, Thaulow E (1998)
    [A protocol for testing aerobic capacity in children and adolescents with congenital heart defects]
    Tidsskr Nor Laegeforen, 118 (17), 2636-9
    PubMed 9673514

    Fredriksen PM, Thaulow E, Nystad W, Ingjer F (1998)
    [Aerobic capacity in children and adolescents--Nordic results over the past 45 years]
    Tidsskr Nor Laegeforen, 118 (20), 3106-10
    PubMed 9760851

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