• Antibiotics for gastroenteritis in general practice and out-of-hour services in Norway 2006–15 

      Emberland, Knut Erik; Wensaas, Knut-Arne; Litleskare, Sverre; Larsen, Leo; Mørch, Kristine; Ruths, Sabine; Rørtveit, Guri (Journal article; Peer reviewed, 2022)
      Background: When patients with gastroenteritis (GE) seek health care, they are generally managed in primary care. Little is known about the use of antibiotic treatment in these cases. Objective: The aim of this study ...
    • Characteristics of hospitalized patients during a large waterborne outbreak of Campylobacter jejuni in Norway 

      Mortensen, Nicolay; Hanevik, Kurt; Langeland, Nina; Rørtveit, Guri; Wensaas, Knut-Arne; Jonasson, Solveig Aalstad; Lavesson, Ingrid Viola; Emberland, Knut Erik; Litleskare, Sverre (Journal article; Peer reviewed, 2021)
      Very few reports describe all hospitalized patients with campylobacteriosis in the setting of a single waterborne outbreak. This study describes the demographics, comorbidities, clinical features, microbiology, treatment ...
    • Clinical features of gastroenteritis during a large waterborne Campylobacter outbreak in Askøy, Norway 

      Emberland, Knut Erik; Wensaas, Knut-Arne; Litleskare, Sverre; Iversen, Arild; Hanevik, Kurt; Langeland, Nina; Rørtveit, Guri (Journal article; Peer reviewed, 2022)
      Purpose: Outbreaks of Campylobacter infection are common, but studies exploring the clinical features of acute illness in the outbreak setting are scarce in existing literature. The main purpose of the present study was ...
    • Consultations for gastroenteritis in general practice and out-of-hours services in Norway 2006–15 

      Emberland, Knut Erik; Wensaas, Knut-Arne; Litleskare, Sverre; Rørtveit, Guri (Peer reviewed; Journal article, 2019)
      Background: Most of the patients with gastroenteritis seeking health care services are managed in primary care; yet, little is known about these consultations. Syndromic-based surveillance of gastrointestinal infections ...
    • Long-term complications following an outbreak of giardiasis 

      Litleskare, Sverre (Doctoral thesis, 2019-08-22)
      Background: The association between certain acute infections and long-term complications is well known, with gastroenteritis and subsequent irritable bowel syndrome (IBS) as one established example. In 2004 there was a ...
    • Perceived food intolerance and irritable bowel syndrome in a population 3 years after a giardiasis-outbreak: a historical cohort study 

      Litleskare, Sverre; Wensaas, Knut-Arne; Eide, Geir Egil; Hanevik, Kurt; Kahrs, Gudrun E; Langeland, Nina; Rørtveit, Guri (Peer reviewed; Journal article, 2015-11-19)
      Background: Studies have shown an increased prevalence of irritable bowel syndrome (IBS) after acute gastroenteritis. Food as a precipitating and perpetuating factor in IBS has gained recent interest, but food intolerance ...
    • Prevalence of fibromyalgia 10 years after infection with Giardia lamblia: a controlled prospective cohort study 

      Hunskår, Gunnhild Sellevoll; Rørtveit, Guri; Litleskare, Sverre; Eide, Geir Egil; Hanevik, Kurt; Langeland, Nina; Wensaas, Knut-Arne (Journal article; Peer reviewed, 2022)
      Objectives: To investigate whether acute infection with Giardia lamblia is associated with fibromyalgia 10 years after infection and whether fibromyalgia is associated with irritable bowel syndrome (IBS) and chronic fatigue ...
    • Quality of life and its association with irritable bowel syndrome and fatigue ten years after giardiasis 

      Litleskare, Sverre; Rørtveit, Guri; Eide, Geir Egil; Emberland, Knut Erik; Hanevik, Kurt; Langeland, Nina; Wensaas, Knut-Arne (Peer reviewed; Journal article, 2019)
      Background: Gastroenteritis has been associated with complications such as irritable bowel syndrome (IBS) and chronic fatigue (CF). Little is known about the implications for quality of life (QoL) in this setting. The aims ...
    • Restless legs syndrome - a study from general practice 

      Bjorvatn, Bjørn; Wensaas, Knut-Arne; Emberland, Knut Erik; Fadnes, Lars Thore; Litleskare, Sverre; Perez, Esperanza Diaz; Ruths, Sabine; Rørtveit, Guri; Waage, Siri (Journal article; Peer reviewed, 2021)
      BAKGRUNN Forekomsten av rastløse bein er rundt 5–10 % blant voksne i den generelle befolkningen. Få studier er gjort om forekomsten blant pasienter som oppsøker fastlege. Det er også få studier om sammenheng med andre ...