Blar i forfatter "Kalager, Mette"

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    • Covid-19 transmission in fitness centers in Norway - a randomized trial 

      Helsingen, Lise Mørkved; Løberg, Magnus; Refsum, Erle; Gjøstein, Dagrun Kyte; Wieszczy, Paulina; Olsvik, Ørjan; Juul, Frederik Emil; Barua, Ishita; Jodal, Henriette C.; Herfindal, Magnhild; Mori, Yuichi; Jore, Solveig; Lund-Johansen, Fridtjof; Fretheim, Atle; Bretthauer, Michael; Kalager, Mette (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-16)
      Background: Closed fitness centers during the Covid-19 pandemic may negatively impact health and wellbeing. We assessed whether training at fitness centers increases the risk of SARS-CoV-2 virus infection.<p> <p>Methods: In a two-group parallel randomized controlled trial, fitness center members aged 18 to 64 without Covid-19-relevant comorbidities, were randomized to access to training at a ...

    • Covid-19 transmission in fitness centers in Norway - a randomized trial 

      Helsingen, Lise Mørkved; Løberg, Magnus; Gjøstein, Dagrun Kyte; Wieszczy, Paulina; Olsvik, Ørjan; Juul, Frederik Emil; Barua, Ishita; Jodal, Henriette C.; Herfindal, Magnhild; Mori, Yuichi; Jore, Solveig; Lund-Johansen, Fridtjof; Fretheim, Atle; Bretthauer, Michael; Kalager, Mette (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-16)
      Background: Closed fitness centers during the Covid-19 pandemic may negatively impact health and wellbeing. We assessed whether training at fitness centers increases the risk of SARS-CoV-2 virus infection.<p> <p>Methods: In a two-group parallel randomized controlled trial, fitness center members aged 18 to 64 without Covid-19-relevant comorbidities, were randomized to access to training at a ...

    • Effect of Colonoscopy Screening on Risks of Colorectal Cancer and Related Death 

      Bretthauer, Michael; Løberg, Magnus; Wieszczy, Paulina; Kalager, Mette; Emilsson, Louise; Garborg, Kjetil Kjeldstad; Rupinski, Maciej; Dekker, Evelien; Spaander, Manon; Bugajski, Marek; Holme, Øyvind; Zauber, Ann G.; Pilonis, Nastazja D.; Mróz, Andrzej; Kuipers, Ernst J.; Shi, Joy; Hernán, Miguel A.; Adami, Hans Olov; Regula, Jaroslaw; Hoff, Geir; Kamiński, Michał Filip (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-27)
      <p><i>Background:</i> Although colonoscopy is widely used as a screening test to detect colorectal cancer, its effect on the risks of colorectal cancer and related death is unclear. <p><i>Methods:</i> We performed a pragmatic, randomized trial involving presumptively healthy men and women 55 to 64 years of age drawn from population registries in Poland, Norway, Sweden, and the Netherlands between ...

    • Følger Helsedirektoratets retningslinjer internasjonale standarder for troverdighet? 

      Langeland, Eline Aurvoll; Pisani, Synne Eline Rotihaug; Kalager, Mette; Bretthauer, Michael; Helsingen, Lise Mørkved (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-09)
      BAKGRUNN - Helsedirektoratet produserer nasjonale faglige retningslinjer for helsetjenesten, og utviklingen av retningslinjene skal følge internasjonale standarder for troverdighet. Vi undersøkte om standardene blir fulgt.<p> <p>MATERIALE OG METODE - Vi benyttet skåringsverktøyet National Guideline Clearinghouse Extent of Adherence to Trustworthy Standards Instrument (NEATS), og vurderte ett ...

    • Mortality in Norway and Sweden during the COVID-19 pandemic 

      Juul, Frederik E.; Jodal, Henriette C.; Barua, Ishita; Refsum, Erle; Olsvik, Ørjan; Helsingen, Lise M.; Løberg, Magnus; Bretthauer, Michael; Kalager, Mette; Emilsson, Louise (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-05)
      Background: Norway and Sweden are similar countries in terms of socioeconomics and health care. Norway implemented extensive COVID-19 measures, such as school closures and lockdowns, whereas Sweden did not. Aims: To compare mortality in Norway and Sweden, two similar countries with very different mitigation measures against COVID-19. <p> <p>Methods: Using real-world data from national registries, ...

    • A novel intragastric balloon for treatment of obesity and type 2 diabetes. A two-center pilot trial 

      Tønnesen, Christer Julseth; Hjelmesæth, Jøran Sture; Hofsø, Dag; Tonstad, Serena; Hertel, Jens Kristoffer; Heggen, Eli; Johnson, Line Kristin; Mathisen, Tor Erik; Kalager, Mette; Wieszczy, Paulina; Medhus, Asle Wilhelm; Løberg, Magnus; Aabakken, Lars; Bretthauer, Michael (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-29)
      Background and aims: Obesity with type-2 diabetes is a global challenge. Lifestyle interventions have limited effect for most patients. Bariatric surgery is highly effective, but resource-demanding, invasive and associated with serious complications. Recently, a new intragastric balloon was introduced, not requiring endoscopy for placement or removal (Elipse™, Allurion Inc., Natick, MA). The balloon ...

    • A pilot study of implementation of endoscopic sleeve gastroplasty (ESG) in Norway 

      Tønnesen, Christer Julseth; Hjelmesæth, Jøran Sture; Aabakken, Lars; Lund, Randi Størdal; Johnson, Line Kristin; Hertel, Jens Kristoffer; Kalager, Mette; Løberg, Magnus; Bretthauer, Michael (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-04-26)
      Background and aim - Bariatric surgery is the most effective treatment for obesity but is invasive and associated with serious complications. Endoscopic sleeve gastroplasty (ESG) is a less invasive weight loss procedure to reduce the stomach volume by full-thickness sutures. ESG has been adopted in many countries, but implementation at Scandinavian centres has not yet been documented. We performed ...

    • Seroprevalence of antibodies against SARS-CoV-2 in the adult population during the pre-vaccination period, Norway, winter 2020/21 

      Anda, Erik Eik; Braaten, Tonje Bjørndal; Borch, Kristin Benjaminsen; Nøst, Therese Haugdahl; Chen, Sairah Lai Fa; Lukic, Marko; Lund, Eiliv; Forland, Frode; Leon, David Andrew; Askeland Winje, Brita; Kran, Anne-Marte Bakken; Kalager, Mette; Lund-Johansen, Fridtjof; Sandanger, Torkjel M (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-31)
      Background: Since March 2020, 440 million people worldwide have been diagnosed with COVID-19, but the true number of infections with SARS-CoV-2 is higher. SARS-CoV-2 antibody seroprevalence can add crucial epidemiological information about population infection dynamics. Aim: To provide a large population-based SARS-CoV-2 seroprevalence survey from Norway; we estimated SARS-CoV-2 seroprevalence before ...