Browsing NTNU Open by Author "Nymo, Siren"
Now showing items 1-20 of 24
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Appetite in obesity and subsequent effects of weight loss induced by dietary restriction alone or combined with bariatric surgery
Aukan, Marthe Isaksen (Doctoral theses at NTNU;2023:71, Doctoral thesis, 2023) -
Association between Energy Intake, Macronutrient Distribution, Intake of Different Food Groups, Meal Frequency, Physical Activity and Weight Loss Outcomes Ten years after Roux-en-Y Gastric Bypass
Lundanes, Julianne (Master thesis, 2020)Bakgrunn: Fedmekirurgi er den mest effektive langtidsbehandlingen for sykelig fedme og dens komorbiditet. Det har vist seg at opp til 20-30% av de som gjennomfører fedmekirurgi opplever suboptimalt vekttap (SWL) innen de ... -
Association between Fat-Free Mass Loss, Changes in Appetite, and Weight Regain in Individuals with Obesity
Alho Letra Martins, Catia Patricia; Nymo, Siren; Coutinho, Sílvia; Rehfeld, Jens F.; Hunter, Gary R.; Gower, Barbara A. (Peer reviewed; Journal article, 2023)Background The role of fat-free mass loss (FFML) in modulating weight regain in individuals with obesity, as well as the potential mechanisms involved, remain inconsistent. Objectives The aim of this study was to determine ... -
Association between habitual sleep duration/quality and appetite markers in individuals with obesity
Nymo, Siren; Kleppe, Malin M.; Coutinho, Silvia; Rehfeld, Jens F.; Kulseng, Bård Eirik; Martins, Catia (Peer reviewed; Journal article, 2021)Study Objectives: To assess if habitual sleep duration/quality was associated with appetite in individuals with obesity, and if the association was modulated by sex. Methods: Sleep duration/quality was measured with ... -
Association between ß-Hydroxybutyrate Plasma Concentrations after Hypocaloric Ketogenic Diets and Changes in Body Composition
Martins, Catia; Nymo, Siren; Aukan, Marthe Isaksen; Røkenes, Jessica Ann; Coutinho, Sílvia; Hunter, Gary R; Gower, Barbara A (Journal article; Peer reviewed, 2023)Background Early studies show that ketogenic diets (KDs) lead to preferential loss of fat mass (FM), whereas preserving fat-free mass (FFM). Additionally, animal data support the anticatabolic effects of DL-3-hydroxybutyrate. ... -
Associations between hedonic appetite, eating behavior traits and weight loss outcomes ten years after Roux-en-Y gastric bypass
Skjølsvold, Oda (Master thesis, 2020)Bakgrunn: Fedmekirurgi er den beste behandlingen for å oppnå et langvarig vekttap. Likevel opplever en gruppe av fedmeopererte et vekttap som ikke er optimalt, og/eller vektoppgang etter vektnedgangen. De nøyaktige årsakene ... -
Changes in hedonic hunger and food reward after a similar weight loss induced by a very low-energy diet or bariatric surgery
Aukan, Marthe Isaksen; Brandsæter, Ingrid Øfsti; Skårvold, Silje; Finlayson, Graham; Nymo, Siren; Coutinho, Silvia; Martins, Catia (Peer reviewed; Journal article, 2022)Objective The aim of this study was to compare changes in hedonic hunger and food reward in individuals with severe obesity achieving 10% to 15% weight loss with a very low-energy diet (VLED) alone or VLED and bariatric ... -
Characteristics of Patients Reporting Presumed Problematic Drinking Behavior After Gastric Bypass: Exploring Long-Term Data From the BAROBS Study
Strømmen, Magnus; Kløckner, Christian; Bjerkan, Kirsti Kverndokk; Græslie, Hallvard; Hoff, Dag Arne Lihaug; Johnsen, Gjermund; Kulseng, Bård; Mårvik, Ronald; Nymo, Siren; Sandvik, Jorunn (Peer reviewed; Journal article, 2021)Objective: To explore patients’ long-term experiences with drinking alcohol after Roux-n-Y gastric bypass (RYGB) for conceptualizing what may indicate problematic drinking behavior after bariatric surgery. Study Design: ... -
Differences in gastrointestinal hormones and appetite ratings among obesity classes: Gastrointestinal hormones and appetite in obesity
Aukan, Marthe Isaksen; Nymo, Siren; Ollestad, Karoline Haagensli; Akersveen Boyesen, Guro; DeBenedictis, Julia Nicole; Rehfeld, Jens Frederik; Coutinho, Silvia; Martins, Catia (Peer reviewed; Journal article, 2022)The aim of this study was to compare gastrointestinal (GI) hormones and subjective ratings of appetite among obesity classes, and between classes of obesity and controls. Ninety-eight adult individuals with obesity, divided ... -
Effect of a ketogenic diet on pain and quality of life in patients with lipedema: The LIPODIET pilot study
Sørlie, Vilde; De Soysa, Ann Kristin Hjelle; Hyldmo, Åsne Ask; Retterstøl, Kjetil; Martins, Catia; Nymo, Siren (Peer reviewed; Journal article, 2021)Background Lipedema is an underdiagnosed condition in women, characterized by a symmetrical increase in subcutaneous adipose tissue (SAT) in the lower extremities, sparing the trunk. The lipedema SAT has been found to be ... -
Effect of a low-carbohydrate diet on pain and quality of life in female patients with lipedema: a randomized controlled trial
Lundanes, Julianne; Sandnes, Frida Huhta; Gjeilo, Kari Hanne; Hansson, Karl Patrik; Salater, Sissel; Alho Letra Martins, Catia Patricia; Nymo, Siren (Journal article; Peer reviewed, 2024)Objective: The primary objective of this study was to evaluate the effect of a low-carbohydrate diet (LCD) compared with a control diet on pain in female patients with lipedema. The secondary objectives were to compare the ... -
The Effect of Roux-en-Y Gastric Bypass on Non-Alcoholic Fatty Liver Disease Fibrosis Assessed by FIB-4 and NFS Scores—An 11.6-Year Follow-Up Study
Sandvik, Elfrid Christine Smith; Aasarød, Kristin Matre; Johnsen, Gjermund; Hoff, Dag Arne Lihaug; Kulseng, Bård Eirik; Hyldmo, Åsne Ask; Græslie, Hallvard; Nymo, Siren; Sandvik, Jorunn; Fossmark, Reidar (Peer reviewed; Journal article, 2022)Severe obesity is a strong risk factor for non-alcoholic fatty liver disease (NAFLD). Roux-en-Y gastric bypass (RYGB) surgery effectively induces weight loss, but few studies have described the long-term effects of RYGB ... -
Effects of high-intensity interval training on body composition and quality of life in women with lipedema
Eidet, Hedda (Master thesis, 2023)BAKGRUNN: Lipødem er en kronisk sykdom med fettansamlinger i det subkutane fettvevet i armer og ben, men ikke i hender, føtter eller abdomen. Sykdommen rammer i hovedsak kvinner, med en prevalens på 10% av alle kvinner. ... -
Gastrointestinal hormones and appetite ratings after weight loss induced by diet or bariatric surgery
Aukan, Marthe Isaksen; Skårvold, Silje; Brandsæter, Ingrid Øfsti; Rehfeld, Jens Frederik; Holst, Jens Juul; Nymo, Siren; Coutinho, Silvia; Martins, Catia (Peer reviewed; Journal article, 2023)Objective The aim of this study was to compare changes in gastrointestinal hormones and appetite ratings after a similar weight loss induced by a very low-energy diet alone or in combination with sleeve gastrectomy (SG) ... -
Investigating the effect of sex and ketosis on weight-loss-induced changes in appetite
Lyngstad, Anna; Nymo, Siren; Coutinho, Silvia; Rehfeld, Jens F.; Truby, Helen; Kulseng, Bård Eirik; Martins, Catia (Peer reviewed; Journal article, 2019)Background Diet-induced weight loss (WL) is usually accompanied by increased appetite, a response that seems to be absent when ketogenic diets are used. It remains unknown if sex modulates the appetite suppressant effect ... -
Investigation of Differences in Appetite-Related Hormones and Subjective Feelings of Appetite Between Patients with Suboptimal and Optimal Weight Loss Ten Years After Roux-en-Y Gastric Bypass Surgery
Eriksen, Kevin (Master thesis, 2020)Sammendrag (norsk) Undersøkelse av forskjeller i appetittrelaterte hormoner og subjektiv appetitt opplevelse mellom pasienter med suboptimal og optimal vektnedgang 10 år etter Roux-en-Y Gastrisk Bypass kirurgi Introduksjon: ... -
Investigation of the long-term sustainability of changes in appetite after weight loss
Nymo, Siren; Coutinho, Silvia dos Santos Ribeiro F; Vestbostad, I.; Kulseng, Bård Eirik; Martins, Catia; Truby, Helen; Rehfeld, Jens Frederik (Journal article; Peer reviewed, 2018)Background/Objective Diet-induced weight loss (WL) leads to a compensatory increase in appetite and changes in the plasma concentration of appetite-regulating hormones are likely to play a role. Whether these changes are ... -
Self-Reported Gastrointestinal Symptoms Two To Four Years After Bariatric Surgery. A Cross-Sectional Study Comparing Roux-en-Y Gastric Bypass and Laparoscopic Sleeve Gastrectomy
Thorsen, Brit; Gjeilo, Kari Hanne; Sandvik, Jorunn; Follestad, Turid; Græslie, Hallvard; Nymo, Siren (Peer reviewed; Journal article, 2021)Background Roux-en-Y gastric bypass (RYGBP) and laparoscopic sleeve gastrectomy (LSG) are efficient methods for weight loss (WL) and WL maintenance in severe obesity. However, the knowledge of gastrointestinal (GI) symptoms ... -
Selvrapporterte gastrointestinale symptomer 2-4 år etter vektreduserende kirurgi. En tverrsnittstudie med sammenligning mellom gastrisk bypass og sleeve gastrektomi operasjon.
Thorsen, Brit (Master thesis, 2019)Abstrakt Bakgrunn og hensikt: Både gastrisk bypass (GBP) og sleeve gastrektomi (SG) operasjoner gir gode resultater i forhold til vekttap, bedring av komorbiditeter og vedlikehold av vekttap hos personer med sykelig fedme. ... -
The effect of medical nutritional therapy and CGM on post-bariatric hypoglycemia two to five years after Roux-en-Y gastric bypass
Kilstad, Fredrik Bogegård (Master thesis, 2022)Bakgrunn: Fedme er et stadig økende problem i verden. Det ses økt morbiditet og mortalitet hos personer som lever med fedme. En mye bruk og effektiv behandling for å fremme vekttap er ʺRoux-en-Y gastric bypassʺ (RYGB). ...