International Journal of Obesity最新文献

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Plasma concentration of gastrointestinal hormones and subjective appetite ratings after diet or bariatric surgery: 1-year results from the DISGAP study. 节食或减肥手术后胃肠激素的血浆浓度和主观食欲评分:DISGAP 研究的 1 年结果。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-21 DOI: 10.1038/s41366-024-01658-5
Marthe Isaksen Aukan, Jens Frederik Rehfeld, Jens Juul Holst, Catia Martins
{"title":"Plasma concentration of gastrointestinal hormones and subjective appetite ratings after diet or bariatric surgery: 1-year results from the DISGAP study.","authors":"Marthe Isaksen Aukan, Jens Frederik Rehfeld, Jens Juul Holst, Catia Martins","doi":"10.1038/s41366-024-01658-5","DOIUrl":"https://doi.org/10.1038/s41366-024-01658-5","url":null,"abstract":"<p><strong>Objective: </strong>Long-term weight loss outcomes are contrasting between bariatric surgery and dietary restriction alone. This is the first study to investigate changes in gastrointestinal (GI) hormones involved in appetite regulation, and subjective appetite feelings, at 1-year follow-up, after initial weight loss induced by a very-low energy (VLED) alone (controls), or with bariatric surgery.</p><p><strong>Methods: </strong>Patients scheduled for Sleeve Gastrectomy (SG) (n = 19) or Roux-en-Y gastric Bypass (RYGB) (n = 19), and controls (n = 16) were recruited. All groups underwent 10 weeks of a VLED (initial phase), followed by a 9-month maintenance phase. Body weight/composition, plasma concentrations of ghrelin, glucagon-like peptide 1 (GLP-1), peptide YY (PYY), cholecystokinin (CCK), and appetite ratings were measured before and after a meal, at baseline, week 11(W11), and 1Y follow-up.</p><p><strong>Results: </strong>Participants who completed all three follow ups were included in the analysis. Initial changes in body weight/composition were comparable across groups. SG (n = 11) and RYGB (n = 12) continued to lose weight from W11 to 1Y, whereas controls (n = 12) had regained weight. Postprandial GLP-1 increased over time post bariatric surgery and remained unchanged and lower in controls. Postprandial PYY increased in all groups, but greatest post-RYGB. Basal ghrelin decreased over time post-SG, while a small or marked increase was seen after RYGB and diet, respectively, with the control group exhibiting the greatest basal and postprandial concentrations at 1Y. A reduction in basal and postprandial CCK was seen in controls at 1Y, while no changes were observed post-bariatric surgery. Overall, small changes in subjective appetite ratings were seen over time.</p><p><strong>Conclusion: </strong>Weight change at 1Y follow up after SG and RYGB is followed by a GI hormone profile favoring a lower drive to eat and increased satiety. The opposite is seen 1Y after WL induced by dietary restriction alone.</p><p><strong>Clinical trial registration: </strong>clinicaltrials.gov NCT04051190.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association between weight changes and infective endocarditis in patients with diabetes: A nationwide population-based cohort study. 糖尿病患者体重变化与感染性心内膜炎之间的关系:一项全国性人群队列研究。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-21 DOI: 10.1038/s41366-024-01687-0
Jung Ho Kim, Se Hee Park, Se Ju Lee, Jinnam Kim, Won Kyung Pyo, Hee-Jung Kim, Jin Young Ahn, Su Jin Jeong, Jun Yong Choi, Joon-Sup Yeom, Kyungdo Han, Nam Su Ku, Seung Hyun Lee
{"title":"Association between weight changes and infective endocarditis in patients with diabetes: A nationwide population-based cohort study.","authors":"Jung Ho Kim, Se Hee Park, Se Ju Lee, Jinnam Kim, Won Kyung Pyo, Hee-Jung Kim, Jin Young Ahn, Su Jin Jeong, Jun Yong Choi, Joon-Sup Yeom, Kyungdo Han, Nam Su Ku, Seung Hyun Lee","doi":"10.1038/s41366-024-01687-0","DOIUrl":"https://doi.org/10.1038/s41366-024-01687-0","url":null,"abstract":"<p><strong>Backgrounds: </strong>The association between weight change in patients with diabetes, and the development of infective endocarditis (IE) has never been studied. Therefore, we evaluated the associations of weight changes in patients with diabetes with the development of IE.</p><p><strong>Methods: </strong>In this Korean population-based cohort study, we included patients with diabetes aged ≥20 years who underwent health screenings twice in a 2-year interval between 2009 and 2012. Patients were categorized into five groups according to the degree of weight change between the two health screenings and were followed up until December 2018. A patient with a weight change of ≤-10% was designated to the severe weight loss group, -10 to ≤-5% to the moderate weight loss group, -5 to ≤5% to the stable weight group, 5 to ≤10% to the moderate weight gain group, and ≥10% to the severe weight gain group. The primary outcome was the incidence of IE.</p><p><strong>Results: </strong>A total of 1,762,108 patients with diabetes were included. There were 67,580 (3.9%) individuals with severe weight loss, 247,969 (14.1%) with moderate weight loss, 1,267,849 (72.0%) with stable weight, 135,774 (7.7%) with moderate weight gain, 42,936 (2.4%) with severe weight gain. During the follow-up (median, 5.21 years), 828 cases of IE occurred. After adjusting for covariates, both weight loss (HR: 2.41, 95% CI: 1.87-3.12 for the severe weight loss group; HR: 1.28, 95% CI: 1.05-1.55 for the moderate weight loss group) and weight gain (HR: 1.17, 95% CI: 0.91-1.50 for the moderate weight gain group; HR: 1.59, 95% CI: 1.11-2.28 for the severe weight gain group) were associated with an increased risk of IE compared to those for the stable weight group.</p><p><strong>Conclusion: </strong>Both weight gain and weight loss are associated with an increased incidence of IE, and the greater the degree of weight change, the greater the risk.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preschool age-specific obesity and later-life kidney health: a Mendelian randomization and colocalization study. 学龄前肥胖与晚年肾脏健康:孟德尔随机化和共定位研究。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-21 DOI: 10.1038/s41366-024-01686-1
Xin Jin, Yujue Wang, Sixuan Zeng, Jiarui Cai, Kerui Wang, Qiaoyue Ge, Lu Zhang, Xinxi Li, Ling Zhang, Yu Tong, Xiaoli Luo, Menghan Yang, Weidong Zhang, Chuan Yu, Chenghan Xiao, Zhenmi Liu
{"title":"Preschool age-specific obesity and later-life kidney health: a Mendelian randomization and colocalization study.","authors":"Xin Jin, Yujue Wang, Sixuan Zeng, Jiarui Cai, Kerui Wang, Qiaoyue Ge, Lu Zhang, Xinxi Li, Ling Zhang, Yu Tong, Xiaoli Luo, Menghan Yang, Weidong Zhang, Chuan Yu, Chenghan Xiao, Zhenmi Liu","doi":"10.1038/s41366-024-01686-1","DOIUrl":"https://doi.org/10.1038/s41366-024-01686-1","url":null,"abstract":"<p><strong>Objectives: </strong>While the association between obesity and kidney diseases has been found in previous studies, the relationship between preschool-age obesity and later-life kidney health remains unclear, posing challenges for effective interventions in this critical life period.</p><p><strong>Methods: </strong>Utilizing the hitherto largest genome-wide association studies, we conducted two-sample mendelian randomization (MR) to estimate the association of preschool age-specific obesity on kidney health and diseases, including blood urea nitrogen (BUN), eGFRcrea, eGFRcys, chronic kidney disease (CKD), IgA nephropathy, and diabetic nephropathy. Then, we applied multivariable Mendelian randomization (MVMR) and stepwise MR to elucidate the role of adult obesity and 12 other potential factors in the pathway between preschool age-specific obesity and kidney health. Finally, we employed colocalization analysis to understand the mechanism of preschool age-specific obesity and kidney damage further by detecting shared causal variants.</p><p><strong>Results: </strong>Our two-sample MR results indicated that preschool obesity could be associated with kidney health and disease. In addition, we observed a switch in the direction of associations between age-specific body mass index (BMI) and CKD, manifesting as negative associations before 3 years old and positive associations after 3 years old. Furthermore, MVMR and stepwise MR results suggested potential pathways linking preschool obesity to kidney health, involving factors such as adult BMI, circulating high-density lipoprotein cholesterol levels, and circulating C-reactive protein levels. Finally, we detected that preschool-age BMI and kidney function could share causal variants such as rs76111507, rs62107261, rs77165542 in the region of chromosome 2, and rs571312 in the region of chromosome 18.</p><p><strong>Conclusion: </strong>Our study supports the association between preschool obesity and kidney health, emphasizing the role of adult BMI in this relationship. These findings underscore the importance of interventions starting in early childhood and continuing through adulthood to reduce the long-term risk of obesity-related kidney damage.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genetic contributions to body mass index over adolescence and its associations with adult weight gain: a 25-year follow-up study of Finnish twins. 青春期体重指数的遗传因素及其与成年体重增加的关系:对芬兰双胞胎长达 25 年的跟踪研究。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-20 DOI: 10.1038/s41366-024-01684-3
Alvaro Obeso, Gabin Drouard, Aline Jelenkovic, Sari Aaltonen, Teemu Palviainen, Jessica E Salvatore, Danielle M Dick, Jaakko Kaprio, Karri Silventoinen
{"title":"Genetic contributions to body mass index over adolescence and its associations with adult weight gain: a 25-year follow-up study of Finnish twins.","authors":"Alvaro Obeso, Gabin Drouard, Aline Jelenkovic, Sari Aaltonen, Teemu Palviainen, Jessica E Salvatore, Danielle M Dick, Jaakko Kaprio, Karri Silventoinen","doi":"10.1038/s41366-024-01684-3","DOIUrl":"https://doi.org/10.1038/s41366-024-01684-3","url":null,"abstract":"<p><strong>Introduction: </strong>High body mass index (BMI) in adolescence is a strong predictor of adult obesity. However, the nature of this association is unclear. We investigated how adolescent BMI is associated with adult weight change using longitudinal data from ages 11.5 to 37 years and examined the genetic factors behind these associations.</p><p><strong>Data and methods: </strong>The study cohort consisted of 1400 Finnish twin individuals (40% males) with 494 complete twin pairs who reported their body mass index (BMI) at five ages: 11.5, 14, 17.5, 24, and 37 years. BMI trajectories (defined as BMI changes (i.e., slope) and BMI at baseline age (i.e., intercept)) were calculated in adulthood (from 17.5 to 37 years of age) using linear mixed-effects models. Polygenic Risk Scores of BMI (PRS<sub>BMI</sub>) and genetic twin models were utilised to analyse the role of genetic factors underlying BMI trajectories and their associations with BMI at 11.5 and 14 years of age.</p><p><strong>Results: </strong>Mean BMI increased in adulthood (4.06 kg/m<sup>2</sup> in men and 3.39 kg/m<sup>2</sup> in women). The BMI changes correlated with BMI at the baseline age of 17.5 years (i.e. intercept) (r = 0.24 in men and r = 0.35 in women) as well as with BMI in adolescence (11.5 and 14 years of age). Genetic factors contributed to the BMI changes during adulthood (correlation with PRS<sub>BMI</sub> r = 0.25 in men and r = 0.27 in women; heritability estimates 0.63 and 0.64 respectively) as well as to their correlations with BMI at the baseline age (r<sub>A</sub> = 0.5 in men and 0.54 in women) and BMI during adolescence (at 11.5 and 14 years of age) (r<sub>A</sub> = 0.63-0.64).</p><p><strong>Conclusion: </strong>We found that genetic factors play a role in BMI change in adulthood, and part of this genetic component overlaps with the genetics of BMI in adolescence. Genetic predisposition to high BMI in adolescence is also related to adult weight gain.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142681687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring differential miRNA expression profiles in muscular and visceral adipose tissue of patients with severe obesity. 探索重度肥胖症患者肌肉和内脏脂肪组织中不同的 miRNA 表达谱。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-19 DOI: 10.1038/s41366-024-01683-4
Carmen Lambert, Paula Morales-Sánchez, Ana Victoria García, Elsa Villa-Fernández, Jèssica Latorre, Miguel García-Villarino, Estrella Olga Turienzo Santos, Lorena Suárez-Gutierrez, Raquel Rodríguez Uría, Sandra Sanz Navarro, Jessica Ares-Blanco, Pedro Pujante, Lourdes María Sanz Álvarez, Edelmiro Menéndez-Torre, María Moreno Gijón, José Manuel Fernandez-Real, Elías Delgado
{"title":"Exploring differential miRNA expression profiles in muscular and visceral adipose tissue of patients with severe obesity.","authors":"Carmen Lambert, Paula Morales-Sánchez, Ana Victoria García, Elsa Villa-Fernández, Jèssica Latorre, Miguel García-Villarino, Estrella Olga Turienzo Santos, Lorena Suárez-Gutierrez, Raquel Rodríguez Uría, Sandra Sanz Navarro, Jessica Ares-Blanco, Pedro Pujante, Lourdes María Sanz Álvarez, Edelmiro Menéndez-Torre, María Moreno Gijón, José Manuel Fernandez-Real, Elías Delgado","doi":"10.1038/s41366-024-01683-4","DOIUrl":"https://doi.org/10.1038/s41366-024-01683-4","url":null,"abstract":"<p><strong>Background: </strong>This study aims to investigate the differential miRNA expression profile between the visceral white adipose tissue and the skeletal muscle of people with obesity undergoing bariatric surgery.</p><p><strong>Methods: </strong>Skeletal muscle and visceral adipose tissue samples of 10 controls and 38 people with obesity (50% also with type 2 diabetes) undergoing bariatric surgery were collected. miRNA expression profiles were analyzed using Next-Generation Sequencing and subsequently validated using RT-PCR.</p><p><strong>Results: </strong>Approximately 69% of miRNAs showed similar expression in both tissues, however, 55 miRNAs were preferentially expressed in visceral adipose tissue and 53 in skeletal muscle. miR-122b-5p was uniquely identified in skeletal muscle, while miR-1-3p and miR-206 were upregulated in skeletal muscle. Conversely, miR-224-5p and miR-335-3p exhibited upregulation in visceral adipose tissue. Notably, distinctions related to the presence of type 2 diabetes were observed solely in the expression of miR-1-3p and miR-206 in visceral adipose tissue.</p><p><strong>Conclusions: </strong>This is the first study unveiling distinct miRNA expression profiles in paired samples of visceral adipose tissue and skeletal muscle in humans. The identification of obesity-specific miRNAs in these tissues opens up promising avenues for research into potential biomarkers for obesity diagnosis and treatment.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142675708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The relationships between sleep and adiposity amongst multi-ethnic Asian populations: a cross-sectional analysis of the Health for Life in Singapore (HELIOS) study. 多种族亚洲人睡眠与肥胖之间的关系:新加坡生命健康(HELIOS)研究的横断面分析。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-19 DOI: 10.1038/s41366-024-01666-5
Chih Chiang Benjamin Lam, Theresia Mina, Wubin Xie, Yanwen Dorrain Low, Yik Weng Yew, Xiaoyan Wang, Elio Riboli, Paul Elliott, Jimmy Lee, Joanne Ngeow, Eng Sing Lee, Marie Loh, John C Chambers
{"title":"The relationships between sleep and adiposity amongst multi-ethnic Asian populations: a cross-sectional analysis of the Health for Life in Singapore (HELIOS) study.","authors":"Chih Chiang Benjamin Lam, Theresia Mina, Wubin Xie, Yanwen Dorrain Low, Yik Weng Yew, Xiaoyan Wang, Elio Riboli, Paul Elliott, Jimmy Lee, Joanne Ngeow, Eng Sing Lee, Marie Loh, John C Chambers","doi":"10.1038/s41366-024-01666-5","DOIUrl":"https://doi.org/10.1038/s41366-024-01666-5","url":null,"abstract":"<p><strong>Background: </strong>Short sleep duration and poor sleep quality have been associated with obesity. Asian populations report shorter sleep duration compared to other groups. We therefore aimed to explore the relationships between sleep duration, sleep quality, dozing, daytime napping, snoring, insomnia and adiposity in a multi-ethnic Asian population, and investigate the potential contribution of disturbed sleep to the risk of obesity amongst Asian populations.</p><p><strong>Methods: </strong>We studied 8876 participants of the HELIOS study, a multi-ethnic population-based cohort comprising Chinese, Malay, and Indian Asian men and women living in Singapore. Sleep traits and psychological symptoms were assessed using validated tools which included the Pittsburg Sleep Quality Index, Generalised Anxiety Disorder-7, and Patient Health Questionnaire-9. We employed multivariable regression models to examine the associations between sleep and adiposity, while also conducting sub-group and sensitivity analyses to strengthen the reliability of our results.</p><p><strong>Results: </strong>The 8876 participants were 69.3% Chinese, 12.5% Malays, and 18.2% Indians, with mean age: 51.7 ± 11.8 years (standard deviation). Malays had the shortest sleep duration, while Chinese had the best sleep quality. Short sleep duration, poor sleep quality, and snoring were associated with higher BMI and waist circumference, independent of age, sex, ethnicity, and various confounding factors (education, household income, current smoking, regular alcohol drinking status, presence of diabetes and hypertension, and markers for anxiety and depression; P < 0.005). The estimated population attributable fraction for short sleep and snoring as contributors to obesity were 6.6% (95% CI: 2.5-10.6%) and 18.6% (95% CI: 17.0-20.2%), respectively.</p><p><strong>Conclusion: </strong>Sleep duration, sleep quality, and snoring are associated with adiposity in a multi-ethnic Asian population of Chinese, Malays, and Indians. Our findings suggest that a substantial portion of obesity in Asian populations could be averted through public health interventions aimed at improving sleep duration and quality.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142675780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The difference in gait pattern between adults with obesity and adults with a normal weight, assessed with 3D-4D gait analysis devices: a systematic review and meta-analysis. 利用 3D-4D 步态分析设备评估肥胖症成人与体重正常成人步态的差异:系统综述与荟萃分析。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-19 DOI: 10.1038/s41366-024-01659-4
Sofia Scataglini, Lisanne Dellaert, Lien Meeuwssen, Ellen Staeljanssens, Steven Truijen
{"title":"The difference in gait pattern between adults with obesity and adults with a normal weight, assessed with 3D-4D gait analysis devices: a systematic review and meta-analysis.","authors":"Sofia Scataglini, Lisanne Dellaert, Lien Meeuwssen, Ellen Staeljanssens, Steven Truijen","doi":"10.1038/s41366-024-01659-4","DOIUrl":"https://doi.org/10.1038/s41366-024-01659-4","url":null,"abstract":"<p><strong>Objective: </strong>A systematic review and meta-analysis were performed following PRISMA 2020 guidelines to identify the difference in gait pattern between adults with obesity and adults with a normal bodyweight assessed with 3D-4D gait analysis (3D-4DGA) devices.</p><p><strong>Methods: </strong>Articles about the spatiotemporal parameters of adults with obesity compared with adults with a normal bodyweight using a 3DGA were sought on the 4th of October 2023 in three different databases (PubMed, Web of Science and IEEE). A total of 3371 articles were found: 2065 with PubMed, 1185 with Web of Science, and 121 with IEEE. The data was screened double-blind. Fourteen case control studies were included in the systematic review and meta-analysis, and for all of them, the risk of bias was determined. Obesity was defined using the BMI, with a range of 30 kg/m² until 54.06 kg/m². Participants from both sexes (35% men and 65% women) were included, and they had an age range of 18-65 years.</p><p><strong>Results and discussion: </strong>The risk of bias was assessed with the Newcastle Ottowa Scale (NOS), and the certainty of evidence was assessed with the Evidence-Based Richtlijn Ontwikkeling (EBRO). The meta-analysis showed a decrease in gait speed and cadence and an increase in stance phase, double stance, and step width. No significant difference was found regarding stride length. In the systematic review, step length, step rate, and swing phase were found to have decreased. Regarding the single stance, step time, CoM, and CoP, no conclusions could be drawn.</p><p><strong>Conclusion: </strong>There is a difference in gait parameters between adults with obesity and adults with a normal bodyweight. Namely, the gait speed, step rate, step length, swing phase is decreased in adults with obesity. However, there is an increase in step width, stance phase, and double stance phase.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142675778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Central obesity may account for most of the colorectal cancer risk linked to obesity: evidence from the UK Biobank prospective cohort. 中心性肥胖可能是与肥胖有关的结直肠癌风险的主要原因:来自英国生物库前瞻性队列的证据。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-19 DOI: 10.1038/s41366-024-01680-7
Fatemeh Safizadeh, Marko Mandic, Ben Schöttker, Michael Hoffmeister, Hermann Brenner
{"title":"Central obesity may account for most of the colorectal cancer risk linked to obesity: evidence from the UK Biobank prospective cohort.","authors":"Fatemeh Safizadeh, Marko Mandic, Ben Schöttker, Michael Hoffmeister, Hermann Brenner","doi":"10.1038/s41366-024-01680-7","DOIUrl":"https://doi.org/10.1038/s41366-024-01680-7","url":null,"abstract":"<p><strong>Background: </strong>General obesity commonly represented by body mass index (BMI) is an established risk factor for colorectal cancer (CRC). However, it is unclear to what extent this association is accounted for by central obesity. We aimed to evaluate the associations between BMI, waist-to-hip ratio (WHR), and waist circumference (WC) with CRC risk and to investigate if and to what extent these associations are independent from each other.</p><p><strong>Methods: </strong>Data from more than 500,000 male and female participants aged 40-69, recruited in the UK Biobank study between 2006 and 2010, were analyzed. Multivariable Cox proportional hazards models were fitted and hazard ratios (HR) and their 95% confidence intervals (CI) were calculated.</p><p><strong>Results: </strong>During a median follow-up of 12.5 years, of 460,784 participants, 5,977 developed CRC. Multivariable adjusted HRs (95% CIs) per standard deviation increase of BMI, WHR, and WC were 1.10 (1.07-1.13), 1.18 (1.14-1.22), and 1.14 (1.11-1.18), respectively. After mutual adjustment, the association with CRC was substantially attenuated for BMI (1.04 (1.01-1.07)), and remained substantially stronger for WHR (1.15 (1.11-1.20)). Furthermore, WHR showed strong, statistically significant associations with CRC risk within all BMI categories, whereas associations of BMI with CRC risk were weak and not statistically significant within WHR categories. BMI was also not associated with CRC risk in women and with rectal cancer after mutual adjustment. Conversely, WHR was strongly associated with CRC risk in both sexes and with both colon and rectal cancer risk before and after adjustment for BMI. BMI and WC could not be mutually adjusted for due to their high correlation.</p><p><strong>Conclusion: </strong>Central obesity is a much stronger predictor of CRC and may account for most of the CRC risk linked to obesity. Our findings also emphasize the need for incorporating measures such as WHR alongside BMI in clinical practice to improve obesity prevention and management.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142675706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effectiveness and usability of online, group-based interventions for people with severe obesity: a systematic review and meta-analysis. 针对严重肥胖症患者的在线小组干预的有效性和可用性:系统回顾和荟萃分析。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-19 DOI: 10.1038/s41366-024-01669-2
Madison Milne-Ives, Lorna Burns, Dawn Swancutt, Raff Calitri, Ananya Ananthakrishnan, Helene Davis, Jonathan Pinkney, Mark Tarrant, Edward Meinert
{"title":"The effectiveness and usability of online, group-based interventions for people with severe obesity: a systematic review and meta-analysis.","authors":"Madison Milne-Ives, Lorna Burns, Dawn Swancutt, Raff Calitri, Ananya Ananthakrishnan, Helene Davis, Jonathan Pinkney, Mark Tarrant, Edward Meinert","doi":"10.1038/s41366-024-01669-2","DOIUrl":"10.1038/s41366-024-01669-2","url":null,"abstract":"<p><p>Long wait times, limited resources, and a lack of local options mean that many people with severe obesity cannot access treatment. Face-to-face group-based interventions have been found effective and can treat multiple people simultaneously, but are limited by service capacity. Digital group interventions could reduce wait times, but research on their effectiveness is limited. This systematic review aimed to examine the literature about online group-based interventions for adults with severe obesity (BMI ≥ 35 kg/m<sup>2</sup>). The review followed the PRISMA and PICOS frameworks. MEDLINE, Embase, CINAHL, Web of Science, and Cochrane Central Register of Controlled Trials were searched. Two authors independently screened articles. Data extraction, analysis, and quality assessment (using RoB2 and MMAT) was shared between two authors. A meta-analysis was conducted on eligible studies; other results were descriptively analysed. 20 papers reporting on 15 studies were included. Most studies reported some evidence of weight loss, but evidence of weight-related behaviour change was mixed. A meta-analysis on four studies indicated that online, group-based interventions had a statistically significant impact on weight loss (p = 0.001; 95% CI -0.69 to -0.17) with a small-to-moderate effect size, compared to waitlist or standard care conditions. Online interventions were considered more convenient but lack of familiarity with the group or counsellor, accessibility issues, and time constraints hindered engagement. Technical support, incentives, and interactive forums to improve group cohesion could mitigate these barriers. The findings suggested that online, group-based interventions are feasible and potentially beneficial, but barriers such as internet accessibility, digital literacy, and unfamiliarity with group members need to be mitigated. Key recommendations to improve experience and impact include providing instructions and run-throughs, building group cohesion, and providing session and additional content throughout the intervention. Future studies should focus on the influence of specific intervention characteristics and investigate the effect of these interventions compared to face-to-face interventions. Registration: National Institute for Health Research, PROSPERO CRD42021227101; https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021227101 .</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142667217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of a sex-specific visceral fat area estimation using discrete multi-wavelength near-infrared spectroscopy measurements in Korean individuals. 利用离散多波长近红外光谱仪测量法,对韩国人的内脏脂肪面积进行性别特异性估算。
IF 4.2 2区 医学
International Journal of Obesity Pub Date : 2024-11-18 DOI: 10.1038/s41366-024-01682-5
Soonhyun Ban, Jihyeon Baek, Soee Choi, Sung-Ho Han
{"title":"Development of a sex-specific visceral fat area estimation using discrete multi-wavelength near-infrared spectroscopy measurements in Korean individuals.","authors":"Soonhyun Ban, Jihyeon Baek, Soee Choi, Sung-Ho Han","doi":"10.1038/s41366-024-01682-5","DOIUrl":"10.1038/s41366-024-01682-5","url":null,"abstract":"<p><strong>Background/objectives: </strong>A high level of visceral fat area (VFA) is associated with obesity and cardiometabolic risk factors. VFA measured by computer tomography (CT) scan is accurate but has limitations for everyday use. Meanwhile, near-infrared (NIR) light penetrates the superficial layers of the human body so that fat content can be measured just as CT imaging measures fat accumulation.</p><p><strong>Subjects/methods: </strong>This study evaluated whether discrete multi-wavelength NIR spectroscopy (DMW-NIRS) can be used to measure abdominal fat as a satisfactory alternative to a CT scan. 290 subjects were enrolled in this study, and each subject underwent DMW-NIRS NIR measurement and CT scan. A sex-specific DMW-NIRS-based VFA estimation formula was developed by multiple linear regression, including lipid density, age, and body mass index (BMI).</p><p><strong>Results: </strong>The model of DMW-NIRS estimated VFA gave the least Akaike Information Criterions (AIC), Root Mean Squared Errors (RMSE), and the greatest Coefficient of determination (R<sup>2</sup>) to predict VFA (1199, 29.5, 0.544 in female, and 1714, 41.3, 0.504 in male, respectively). Also, the DMW-NIRS estimated that VFA was highly performed to determine visceral obesity, which is comparable with other obesity surrogates.</p><p><strong>Conclusions: </strong>This study suggested that lipid density can be used as a valid, noninvasive method to determine visceral obesity.</p>","PeriodicalId":14183,"journal":{"name":"International Journal of Obesity","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142667203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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