Petter Gjersvik

• Gjersvik, Petter (2018). Eksamen og legers virkelighet. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  138(10) . doi: 10.4045/tidsskr.18.0472
• Roscher, Ingrid; Falk, Ragnhild Sørum; Vos, Linda; Clausen, Ole Petter Fraas; Helsing, Per; Gjersvik, Petter & Robsahm, Trude Eid (2018). Validating 4 staging systems for cutaneous squamous cell carcinoma using population-based data. A nested case-control study. JAMA dermatology.  ISSN 2168-6068.  154(4), s 428- 434 . doi: 10.1001/jamadermatol.2017.6428
• Berents, Teresa Løvold; Carlsen, Karin C. Lødrup; Mowinckel, Petter; Skjerven, Håvard Ove; Rolfsjord, Leif Bjarte; Nordhagen, Live Solveig; Kvenshagen, Bente; Hunderi, Jon Olav; Bradley, Maria; Thorsby, Per Medbøe; Carlsen, Kai-Håkon & Gjersvik, Petter (2017). Weight-for-length, early weight-gain velocity and atopic dermatitis in infancy and at two years of age: A cohort study. BMC Pediatrics.  ISSN 1471-2431.  17:141, s 1- 8 . doi: 10.1186/s12887-017-0889-6 Fulltekst i vitenarkiv. Vis sammendrag

  Overweight and atopic dermatitis (AD) are major health problems in most industrialised countries, but the relationship between overweight and AD in infants and young children is unclear. We investigated if weight-for-length at birth, in infancy and at two years, as well as early weight-gain velocity, are associated with the development of AD in early life. Methods Cohort study of infants (n = 642), all living in south-east Norway, hospitalized with acute bronchiolitis (n = 404) or recruited from the general population (n = 238), examined at mean age 5.1 months (enrolment) and at a two-year follow-up visit (n = 499; 78%) at mean age 24.6 months. Exposures were weight-for-length (g/cm) at birth, enrolment and two-year follow-up, and early weight-gain velocity (gram/month from birth to enrolment). Excessive weight-for-length was defined as weight-for-length >95th percentile of WHO child-growth standards. Data on weight-for-length at the three time points were obtained for 435, 428 and 473 children. AD was diagnosed according to the Hanifin & Rajka criteria or from a history of physician-diagnosed AD. We performed multivariate analyses with weight-for-length at birth, at enrolment and at the two-year follow-up visit and with early weight gain velocity for the endpoint AD at each visit. Results In adjusted analyses, excessive weight-for-length at enrolment was associated with concurrent AD (OR 3.03; 95% CI 1.23–7.50) and with AD at two years (OR 2.40; 1.11–5.17). In infants without AD, weight-for-length at enrolment increased the risk of AD at two years, with OR being 1.02 (95% CI 1.00–1.04) per increased gram/cm. AD at two years was not associated with concurrent excessive weight-for-length, nor was AD at any time associated with weight-for-length at birth or with early weight-gain velocity. Conclusions The results suggest that overweight in infancy may contribute to the development of AD in early life, highlighting the need for child health-care professionals to address potential overweight and atopic disease when advising infants’ caregivers.

• Mantaka, Panagiota; Malecka, Agnieszka Maria; Trøen, Gunhild; Helsing, Per; Gjersvik, Petter; Beiske, Klaus & Delabie, Jan (2017). Folliculotropic mycosis fungoides with skewed T-cell receptor CDR3 motif: Suggestive of lipid-antigen selection?. Acta Dermato-Venereologica.  ISSN 0001-5555.  97(9), s 1081- 1086 . doi: 10.2340/00015555-2722 Fulltekst i vitenarkiv.

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• Gjersvik, Petter & Roscher, Ingrid (2018). Melanom - ikke føflekkreft. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  138(6) . doi: 10.4045/tidsskr.18.0114
• Gjersvik, Petter (2017). Learning how to write. Tidsskrift for Den norske legeforening.  ISSN 0029-2001. . doi: DOI: 10.4045/tidsskr.17.0537
• Gjersvik, Petter (2017). Prøveforelesningens hensikt undergraves - fortsatt. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  137 . doi: DOI: 10.4045/tidsskr.17.0837
• Gjersvik, Petter (2017). Trygt og godt bytte til biotilsvarende legemiddel. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  137 . doi: doi: 10.4045/tidsskr.17.0542
• Gjersvik, Petter (2017). Å skrive må læres. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  137(14/15) . doi: 10.4045/tidsskr.17.0537
• Gjersvik, Petter; de la Rosa-Carrillo, Daniel & Grimstad, Øystein (2017). Hudleger vil helst bo i Oslo. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  137(7), s 519- 520 . doi: 10.4045/tidsskr.17.0138

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