Blar i Faculty of Medicine på forfatter "Andersen, John Roger"
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Anxiety and depression in association with morbid obesity: changes with improved physical health after duodenal switch
Andersen, John Roger; Aasprang, Anny; Bergsholm, Per; Sletteskog, Nils; Våge, Villy; Natvig, Gerd Karin (Peer reviewed; Journal article, 2010-05-21)Background Patients with morbid obesity have an increased risk for anxiety and depression. The "duodenal switch" is perhaps the most effective obesity surgery procedure for inducing weight loss. However, to our knowledge, ... -
The association between aspects of carer distress and time until nursing home admission in persons with Alzheimer’s disease and dementia with Lewy bodies
Terum, Toril Marie; Rongve, Arvid; Testad, Ingelin; Aarsland, Dag; Svendsboe, Ellen J; Andersen, John Roger (Journal article; Peer reviewed, 2020)Objective: The aim of this study was to explore the association between specific aspects of carer distress and time until nursing home admission (NHA) in people with mild dementia. Design: Prospective cohort ... -
The association between specific neuropsychiatric disturbances in people with Alzheimer's disease and dementia with Lewy bodies and carer distress
Terum, Toril Marie; Testad, Ingelin; Rongve, Arvid; Aarsland, Dag; Svendsboe, Ellen J; Andersen, John Roger (Peer reviewed; Journal article, 2019)Objective: Neuropsychiatric symptoms (NPSs) are identified as important care‐recipient variables in terms of the impact on carer distress. The aim of this study was to determine whether specific neuropsychiatric disturbances ... -
Associations between physical activity and quality of life outcomes in adults with severe obesity: a cross-sectional study prior to the beginning of a lifestyle intervention
Jepsen, Randi; Aadland, Eivind; Andersen, John Roger; Natvig, Gerd Karin (Peer reviewed; Journal article, 2013-11-05)Background: Severely obese individuals who seek lifestyle interventions have impaired quality of life (QoL). Research suggests that physical activity (PA) plays a role in weight reduction and improved health in this group, ... -
Changes in leg pain after bilateral fasciotomy to treat chronic compartment syndrome: a case series study
Orlin, Jan Roar; Øen, Jarle; Andersen, John Roger (Peer reviewed; Journal article, 2013-04-05)Background: Intracompartmental pressure (ICP) as the diagnostic gold standard in the management of chronic compartment syndrome (CCS) is debated. We present a diagnostic protocol in which the decision to operate can be ... -
Changes in obesity-related diseases and biochemical variables after laparoscopic sleeve gastrectomy: a two-year follow-up study
Våge, Villy; Sande, Vetle Aaberge; Mellgren, Gunnar; Laukeland, Camilla; Behme, Jan; Andersen, John Roger (Peer reviewed; Journal article, 2014-02-11)Background: To evaluate changes in obesity-related diseases and micronutrients after laparoscopic sleeve gastrectomy (LSG). Methods: We started the procedure in May 2007, and by December 2011, 117 patients could be evaluated ... -
Changes in quality of life 5 years after sleeve gastrectomy: A prospective cohort study
Flølo, Tone Nygaard; Tell, Grethe S.; Kolotkin, Ronette Loganzo; Aasprang, Anny; Norekvål, Tone M.; Våge, Villy; Hufthammer, Karl Ove; Andersen, John Roger (Peer reviewed; Journal article, 2019-09-12)Objectives Sleeve gastrectomy (SG) is the most frequently performed bariatric surgery procedure worldwide, but reports on long-term quality of life (QOL) outcomes are scarce. We investigated 5-year trajectories in QOL and ... -
Correlated physical and mental health composite scores for the RAND-36 and RAND-12 health surveys: can we keep them simple?
Andersen, John Roger; Breivik, Kyrre; Engelund, Inger Elise; Iversen, Marjolein M.; Kirkeleit, Jorunn; Norekvål, Tone Merete; Oterhals, Kjersti; Storesund, Anette (Journal article; Peer reviewed, 2022-06-03)Background: The RAND-36 and RAND-12 (equivalent to versions 1 of the SF-36 Health Survey and SF-12 Health Survey, respectively) are widely used measures of health-related quality of life. However, there are diverging views ... -
A cross-sectional study of self-reported general health, lifestyle factors, and disease: the Hordaland Health Study
Jepsen, Randi; Dogisso, Tadesse Washo; Dysvik, Elin; Andersen, John Roger; Natvig, Gerd Karin (Peer reviewed; Journal article, 2014-10-02)Background. Information on self-reported health is important for health professionals, and the aim of this study was to examine associations between lifestyle factors and self-reported health and the mediating effect of ... -
Eating self-efficacy as predictor of long-term weight loss and obesity-specific quality of life after sleeve gastrectomy: A prospective cohort study
Flølo, Tone Nygaard; Kolotkin, Ronette L.; Aasprang, Anny; Norekvål, Tone M.; Våge, Villy; Andersen, John Roger; Tell, Grethe S. (Peer reviewed; Journal article, 2019-02)Background: A person's confidence to control eating, eating self-efficacy (ESE), has been identified as a target for long-term weight management in nonsurgical weight loss interventions, but has to a limited extent been ... -
An Experientially Derived Model of Flexible and Intentional Actions for Weight Loss Maintenance After Severe Obesity
Natvik, Eli; Råheim, Målfrid; Andersen, John Roger; Moltu, Christian (Peer reviewed; Journal article, 2019)Background: Knowledge about non-surgical weight loss (WL) is scarce among people with severe obesity (SO). Lifestyle changes are primarily self-driven, occasionally accompanied by professional guidance and weight-management ... -
Factors and associations for physical activity in severely obese adults during a two-year lifestyle intervention
Jepsen, Randi; Aadland, Eivind; Robertson, Lesley; Kristiansen, Merete; Andersen, John Roger; Natvig, Gerd Karin (Peer reviewed; Journal article, 2014-08-07)Objective. This study of severely obese adults participating in a two-year lifestyle intervention investigates associations between the independent variables: change in self-efficacy for physical activity (PA) in the face ... -
Five-year Changes in Health-Related Quality of Life after Biliopancreatic Diversion with Duodenal Switch
Aasprang, Anny; Andersen, John Roger; Våge, Villy; Kolotkin, Ronette L.; Natvig, Gerd K. (Peer reviewed; Journal article, 2013-05-31)Background: Long-term data of health-related quality of life (HRQL) after biliopancreatic diversion with duodenal switch (BPDDS) procedure are lacking. The aim of this study was to evaluate changes in HRQL from baseline ... -
Health-Related Quality of Life following Bariatric Surgery: A Systematic Review of Prospective Long- Term Studies
Andersen, John Roger; Aasprang, Anny; Karlsen, Tor-Ivar; Natvig, Gerd Karin; Våge, Villy; Kolotkin, Ronette Loganzo (Peer reviewed; Journal article, 2015-03)Impaired health-related quality of life (HRQoL) is common in bariatric surgery candidates and is often one of the motivating factors for seeking bariatric surgery. Although many studies have reported changes in HRQoL after ... -
Identifying possible biomarkers of lower urinary tract symptoms using metabolomics and partial least square regression
Hopland-Nechita, Florin Vasile; Andersen, John Roger; Rajalahti, Tarja; Andreassen, Trygve; Beisland, Christian (Journal article; Peer reviewed, 2023)Introduction The objective of this study was to explore potential novel biomarkers for moderate to severe lower urinary tract symptoms (LUTS) using a metabolomics-based approach, and statistical methods with significant ... -
Inflammatory markers, the tryptophan-kynurenine pathway, and Vitamin B status after bariatric surgery
Christensen, Monika; Fadnes, Dag Jone Stokke; Røst, Therese Halvorsen; Pedersen, Eva Ringdal; Andersen, John Roger; Våge, Villy; Ulvik, Arve; Midttun, Øivind; Ueland, Per Magne; Nygård, Ottar; Mellgren, Gunnar (Peer reviewed; Journal article, 2018-02-05)Objective: Obesity is associated with increased inflammation and insulin resistance. In conditions with chronic immune activation, low plasma vitamin B6-levels are described, as well as an increased kynurenine:tryptophan-ratio ... -
IPSS “bother question” score predicts health-related quality of life better than total IPSS score
Hopland-Nechita, Florin Vasile; Andersen, John Roger; Beisland, Christian (Journal article; Peer reviewed, 2022)Objective The objective of this study was to investigate the role of bothersomeness of urinary symptoms on the general health-related quality of life (HRQoL) of patients with benign prostatic hyperplasia. We hypothesised ... -
Leg cramps in pregnancy caused by chronic compartment syndrome and relieved by fasciotomy after childbirth
Orlin, Jan; Øen, Jarle; Andersen, John Roger; Tjugum, Jostein; Westbye, Hans Jacob; Roska, Jomar; Aasved, Helene; Hjelmeland, Kjersti (Peer reviewed; Journal article, 2014-06)Key Clinical Message A case of intolerable leg pain in pregnancy, caused by Chronic Compartment Syndrome (CCS), is presented. Increasing amounts of opioids were given throughout the pregnancy. Anesthetical dilemmas and ... -
Living a successful weight loss after severe obesity
Natvik, Eli; Råheim, Målfrid; Andersen, John Roger; Moltu, Christian (Peer reviewed; Journal article, 2018)Purpose: Losing weight and keeping it off for the long term is difficult. Weight regain is common. Experiences of successful non-surgical weight loss after severe obesity are largely unexplored. We know little about long-term ... -
The Norse Feedback in a population of patients undergoing bariatric surgery—Psychometric properties of a digital computer-adaptive questionnaire assessing mental health
Hegland, Pål Andre; McAleavey, Andrew; Aasprang, Anny; Moltu, Christian; Kolotkin, Ronette Loganzo; Andersen, John Roger (Journal article; Peer reviewed, 2021)The Norse Feedback (NF) is a questionnaire developed for patient-reported outcome monitoring with a clinical feedback system (PRO/CFS). As mental health is a concern after bariatric surgery, the use of the NF as part of ...