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OBJECTIVES: Sublobar resections for lung cancer are increasing worldwide. However, the prognostic significance of weight loss after sublobar resection remains unclear. We aimed to investigate the prognostic significance of weight loss after sublobar resection for lung cancer. METHODS: Patients who underwent sublobar resection for non-small cell lung cancer between January 2016 and June 2021 were analysed. The percentage weight change at 3, 6, and 12 months postoperatively was determined based on the preoperative weight. Patients were divided into two groups: those with or without weight loss ≥ 5%, referring to the diagnostic criteria for frailty, to assess prognosis. Subsequently, the prognosis-related timing of weight loss ≥ 5% and its risk factors were analyzed. RESULTS: We reviewed 147 patients; 39 (26.5%) showed weight loss ≥ 5% within 1-year post-surgery. A total of 32 patients (21.8%) died, 13 from primary lung cancer and 19 from non-lung cancer causes. Cancer recurrence occurred in 22 patients (15.0%). Weight loss ≥ 5% within 1-year post-surgery was a poor prognostic factor for overall and recurrence-free survival (log-rank; p = 0.014 and 0.018, respectively). Additionally, weight loss ≥ 5% at 6-12 months postoperatively was associated with poor overall and recurrence-free survival (p < 0.05, both). In the multivariable analysis, an age-adjusted Charlson comorbidity index ≥ 4 was a predictive factor for weight loss ≥ 5% at 6-12 months postoperatively (odds ratio, 3.920; p = 0.023). CONCLUSIONS: Weight loss ≥ 5% at 6-12 months postoperatively was associated with poor prognosis. Long-term nutritional management is important in the treatment plan of sublobar resection in high-risk patients.
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PURPOSE: Rising obesity and type 2 diabetes mellitus (T2DM) rates can be mitigated by various strategies, with a 10% total body weight loss (TBWL) threshold often required for T2DM remission. T2DM remission rates after bariatric surgery like Roux-en-Y gastric bypass (RYGB) are well established; endoscopic sleeve gastroplasty (ESG) is a less invasive option that averages 15% TBWL and allows for T2DM remission. This study explores the DiaRem (Diabetes Remission post-RYGB) score's ability to predict T2DM remission 1-year post-ESG. MATERIALS AND METHODS: We conducted a retrospective cohort study on 39 individuals with T2DM who underwent ESG. Age, utilization of diabetes medications, insulin administration, and hemoglobin A1c levels were used to calculate the DiaRem score. The area under the receiver operating characteristic curve (AUC) was employed to evaluate the discriminative ability of DiaRem in distinguishing diabetes remission. RESULTS: Among the 39 patients with a median hemoglobin A1c of 6.7, 12.8% required insulin, and 43.6% used diabetes medication. At 1-year post-ESG, 69.2% of patients experienced diabetes remission with a median %TWBL of 12.7. The DiaRem score's ability to detect diabetes resolution for ESG patients had a sensitivity of 100% and a specificity of 58.3%, at the optimal cutoff value of 10. The AUC was 0.779 (95% CI 0.546-0.959). CONCLUSION: Our study demonstrated the DiaRem score's predictive value for T2DM remission post-ESG, highlighting its utility in clinical decision-making for ESG-related outcomes. Further investigation is needed to identify alternative indicators that may enhance predictive accuracy, thus refining personalized decision-making for this patient group.
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This Year in Review presents key highlights from recent research relating to osteoarthritis rehabilitation and its outcomes, defined as any non-pharmacological and non-surgical treatment that aims to improve osteoarthritis symptoms at any joint. Three databases (Medline, Embase, and CINAHL Plus) were searched between 1 March 2023 to 12 March 2024. Relevant studies were chosen based on the predefined inclusion/exclusion criteria, perceived clinical importance, quality, controversy in the field, or personal interest, and organised into four overarching themes (with 1-5 sub-themes each). The first theme related to uncertainties regarding exercise benefits. New work has challenged the clinical effectiveness of exercise on symptoms, as well as highlighted uncertainty around our understanding of both mechanisms of effects, how to enhance effectiveness and adherence, and which subgroups of people are more or less likely to improve with exercise. However, we also highlight new work confirming the role of exercise as a first-line management strategy. The second theme related to digital modes of service delivery. There was new evidence to support its effectiveness in improving symptoms and clear potential for creating and evaluating new mobile apps. New work also highlighted the potential future role artificial intelligence can have in providing treatment information and recommendations. The third theme related to patient education, and the call for change to the impairment-based narrative that prevails in osteoarthritis information. The fourth theme is related to weight loss. New work compared the effectiveness of different weight loss diets and explored alternative models of weight loss delivery.
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INTRODUCTION: Over half of Americans and up to 78% of US Veteran population meet criteria for obesity. Perioperatively placed intragastric balloon (IGB) can accelerate weight loss goals for safe surgical candidacy, however weight regain is common after removal. Glucagon-like peptide-1-receptor agonists (GLP1RA) may provide a more sustainable weight loss solution after surgery. We hypothesize that weight regain will be less at 1 year after initiation of GLP1RA than IGB placement in Veterans. METHODS: Retrospective review of prospective databases of perioperatively placed intragastric balloon cohort from 1/2019-1/2023 compared to patients who received initiatory GLP1RA from 6/2021-8/2022 at a VA Medical Center(VAMC). All patients were enrolled in the VAMC MOVE! multidisciplinary weight management program for a minimum of 12 weeks. Outcomes measured were patients' weights at 0, 3, 6, and 12 months and weight change for these intervals. Exclusion criteria included history of bariatric surgery and incomplete weight loss data. RESULTS: Two-hundred-twenty-three patients met inclusion criteria; 110 (49%) patients excluded. Mean age was 54 ± 11 years, the majority (78, 69%) were male, and the mean initial BMI was 37 ± 5.9 kg/m2. Seventeen (15%) patients underwent IGB placement and 96 (85%) patients received semaglutide. Weight (kg) change was measured at intervals: 0-3 months:- 11.8(- 17,- 9.5) IGB vs. - 5.1(- 7.4,- 2.3) semaglutide, p < 0.0001; 0-6 months:- 12.7(- 18.4,- 9.9) vs. - 9.4(- 12.6,- 6.1), p = 0.03; 3-6 months:- 0.5(- 2.3,2.3) vs. - 4.3(- 6.8,- 1.6), p < 0.0001; 6-12 months:3(0,7.3) vs. - 1.9(- 4.7,1), p = 0.0006. CONCLUSION: Weight loss occurs more rapidly in the first 6 months after intragastric balloon placement compared to semaglutide (- 12.7 vs. - 9.4 kg, p = 0.03). Despite ongoing attendance in a comprehensive weight loss program, weight regain is common after IGB removal by an average of 3 kg (23.6%) at 1 year. In contrast, patients on GLP1RA (semaglutide) continue to lose weight during this period. Further studies are needed to determine if optimal long-term outcomes may result from combination therapy with intragastric balloon and semaglutide.
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INTRODUCTION: Weight regain and insufficient weight loss are major challenges after metabolic bariatric surgery (MBS), affecting patients' comorbidities and quality of life. The current systematic review and meta-analysis aim to assess the efficacy and safety of GLP-1 receptor agonists (GLP-1 RA) in patients with weight regain or insufficient weight loss after MBS. METHODS: A systematic search was conducted across PubMed, Embase, Scopus, and Web of Science databases to find the relevant studies. RESULTS: A total of 19 articles were included. The highest doses of liraglutide and semaglutide were 3 mg per day and 1 mg once weekly, respectively, in the included studies. The mean differences in weight and body mass index after treatment were -7.02 kg or 3.07 kg/m2, -8.65 or -5.22 kg/m2, and -6.99 kg or -3.09 kg/m2 for treatment durations of ≤ 6 months, 6-12 months, and >12 months with liraglutide, respectively. Additionally, weekly semaglutide showed significantly greater weight loss compared to daily liraglutide, with a mean difference of 4.15 kg. Common complications included nausea (19.1%), constipation (8.6%), abdominal pain (3.7%), and vomiting (2.4%). CONCLUSION: Using GLP-1 RA is a safe and effective treatment for weight regain and insufficient weight loss after MBS.
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BACKGROUND: Drains are traditionally inserted during surgery for reduction of fluid accumulation in the post-operative period. The appearance of drained fluids and their quantity can be early predictors of complications. Over the years, several studies have been conducted in attempt to determine the optimal number of drains that result in low rates of fluid accumulation with minimal impairment of quality of life. PURPOSE: Determine the optimal number of suction drains in abdominoplasty procedures. METHODS: Retrospective cohort study, analyzing all abdominoplasty patients operated by a single surgeon. Patients were stratified into 3 groups based on number of drains inserted at the end of the procedure. Rate of complications was compared between the groups and a multivariate logistic regression model was computed for the development of complications. RESULTS: Seven-hundred and forty three patients were included in the analysis of this study. No drains were inserted in 355 patients (45%), whereas a single drain was inserted in 153 (20.6%) 2 drains in 255 patients (34.4%). Patients for whom a single drain was inserted intra-operatively, experienced at a statistically significant lower rate, surgical site infections (OR = 0.235), hypertrophic scars (OR = 0.326), wound dehiscence (OR = 0.272), as compared to patients with no drains. On the contrary, insertion of single drain was associated with a statistically significant higher risk for development of seroma (OR = 6.276) and the need for revision surgery (OR = 2.452). CONCLUSION: Insertion of a single drain is associated with a lower risk of SSI and wound- dehiscence, but a greater risk for seroma development that requires surgical intervention. LEVEL OF EVIDENCE II: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.
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AIMS/INTRODUCTION: Sodium-glucose cotransporter 2 (SGLT2) inhibitors effectively and safely reduce fasting and postprandial hyperglycemia while promoting weight loss. However, their unique mechanism of action contributes to concerns regarding their safety. We therefore carried out a large-scale, non-commercial, investigator-initiated study on the safety and effectiveness of the SGLT2 inhibitor tofogliflozin. MATERIALS AND METHODS: This multicenter, open-label, uncontrolled, prospective observational study was carried out at hospitals and clinics across Japan in participants aged ≥20 years who were SGLT2 inhibitor-naïve and had an established diagnosis of type 2 diabetes. The primary endpoint was adverse drug reactions (ADRs) of special interest. Secondary endpoints included all other ADRs and adverse events, glycated hemoglobin (HbA1c), and weight loss. RESULTS: The study, carried out from June 2014 through February 2020, enrolled 11,480 participants from 1,103 medical institutions; 6,967 participants completed the 104-week follow up. The most common ADRs of special interest were urinary and genital tract infections (1.53%), followed by volume depletion (1.25%). Hypoglycemia occurred in 27 participants (0.24%), adverse events in 1,054 (9.18%) and ADRs in 645 (5.62%). HbA1c decreased by 0.85% (95% confidence interval 0.82%-0.88%) and bodyweight decreased by 3.05 kg (95% confidence interval 2.94-3.17 kg). The HbA1c target was achieved by 51.70% of participants for target HbA1c <7.0%, 85.3% for <8.0% and 5.4% for <6.0% at week 104. CONCLUSIONS: Tofogliflozin was associated with only mild or moderate ADRs characteristic of SGLT2 inhibitors, with no unpredictable, new, serious, or high-incidence adverse events or ADRs. This independent study confirmed the safety and effectiveness of tofogliflozin in adult type 2 diabetes patients.
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Péptido 1 Similar al Glucagón , Receptor del Péptido 1 Similar al Glucagón , Obesidad , Humanos , Receptor del Péptido 1 Similar al Glucagón/agonistas , Péptido 1 Similar al Glucagón/agonistas , Obesidad/tratamiento farmacológico , Polipéptido Inhibidor Gástrico/uso terapéutico , Receptores de la Hormona Gastrointestinal/agonistas , Fármacos Antiobesidad/efectos adversos , Fármacos Antiobesidad/uso terapéutico , Fármacos Antiobesidad/administración & dosificación , Pérdida de Peso/efectos de los fármacos , Animales , Agonistas Receptor de Péptidos Similares al GlucagónRESUMEN
In this review article, we explore the interplay between obstructive sleep apnea (OSA) and type 2 diabetes mellitus (T2DM), highlighting a significant yet often overlooked comorbidity. We delve into the pathophysiological links between OSA and diabetes, specifically how OSA exacerbates insulin resistance and disrupts glucose metabolism. The research examines the prevalence of OSA in diabetic patients and its role in worsening diabetes-related complications. Emphasizing the importance of comprehensive management, including weight control and positive airway pressure therapy, the study advocates integrated approaches to improve outcomes for patients with T2DM and OSA. This review underscores the necessity of recognizing and addressing OSA in diabetes care to ensure more effective treatment and better patient outcomes.
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This editorial focuses on the relationship between nonalcoholic fatty pancreas disease (NAFPD) and the development and remission of type 2 diabetes (T2D). NAFPD is characterized by intrapancreatic fatty deposition associated with obesity and not associated with alcohol abuse, viral infections, and other factors. Ectopic fat deposition in the pancreas is associated with the development of T2D, and the underlying mechanism is lipotoxic ß-cell dysfunction. However, the results on the relationship between intrapancreatic fat deposition (IPFD) and ß-cell function are conflicting. Regardless of the therapeutic approach, weight loss improves IPFD, glycemia, and ß-cell function. Pancreatic imaging is valuable for clinically monitoring and evaluating the management of T2D.
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INTRODUCTION: Obesity disproportionately affects 50.8% of Maori and 71.3% of Pacific adults in New Zealand, and these groups also have reduced access to bariatric surgery. Mandatory preoperative weight loss targets are a requirement of many bariatric surgery programmes globally; however, the evidence supporting their efficacy is inconclusive. In 2017, mandatory preoperative weight loss targets were eliminated from the bariatric surgery programme at Auckland City Hospital in New Zealand, with the aim to improve equity of access to bariatric surgery. This study will review postoperative patient outcomes following the elimination of preoperative weight loss targets from the programme. METHODS: A retrospective analysis of 231 patients who underwent bariatric surgery at Auckland City Hospital from 2018 to 2021 was performed. Nineteen patients were lost to follow up and 12 were excluded (revision surgery or pregnancy). The comparison group of 100 consecutive patients, retrospective from 2017, had been required to lose 10% of excess body weight preoperatively to qualify for surgery. Outcomes assessed were weight loss and diabetes resolution at 12 months, and postoperative complications within 90 days. RESULTS: Elimination of preoperative weight loss targets was associated with greater numbers of Maori and Pacific patients undergoing bariatric surgery. There was no significant difference in weight loss outcomes or postoperative complications. CONCLUSION: Elimination of preoperative weight loss targets improves access to bariatric surgery for Maori and Pacific patients, inequitably affected by obesity. Removal of preoperative weight loss targets does not adversely affect weight loss outcomes, or postoperative complications, thus supporting their elimination.
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Accurate weight predictions are essential for weight management program patients. The freely available National Institutes of Health Body Weight Planner (NIH-BWP) returns expected weights over time but overestimates weight when patients consume a low-calorie diet. This study sought to increase the accuracy of NIH-BWP predicted weights for people on low-calorie diets. People enrolled in a weight management program were included if they received meal replacements with defined caloric content for the 3 months of the weight loss phase of the program. The Ottawa Weight Loss Prediction Model (OWL-PM) modelled the relative difference between observed and NIH-BWP predicted weights using longitudinal analysis methods based on patient factors. OWL-PM was externally validated. 1761 people were included (mean age 46 years, 73.3% women) with a mean (SD) baseline weight in pounds and body mass index of 271.9 (55.6) and 43.9 (7.4), respectively. At the end of the program's weight loss phase, people lost a median (IQR) of 17.1% (14.8-19.5) of their baseline weight. Observed weight relative to NIH-BWP predicted weights had a median value of - 4.9% but ranged from - 32.1% to + 28.5%. After adjustment, weight overestimation by NIH-BWP was most pronounced in male patients, people without diabetes and with increased observation time. OWL-PM returned expected weights at 3 months that were significantly more accurate than those from NIH-BWP alone (mean difference observed vs. expected [95% CI] 6.7lbs [6.4-7.0] vs. 12.6lbs [12.1-13.0]). In the external validation cohort (n = 106), OWL-PM was significantly more accurate than NIH-BWP (mean squared error 24.3 vs. 40.0, p = 0.0018). OWL-PM incorporated patient-level covariates to significantly increase weight prediction accuracy of NIH-BWP in patients consuming a low-calorie diet.
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Restricción Calórica , Pérdida de Peso , Humanos , Masculino , Femenino , Persona de Mediana Edad , Restricción Calórica/métodos , Adulto , Índice de Masa Corporal , Estados Unidos , Obesidad/dietoterapia , Dieta Reductora/métodosRESUMEN
This study aimed to identify factors associated with optimal weight loss response by analyzing pre-weight loss data from a cohort of 2577 patients with obesity who visited weight management clinics between 2013 and 2022. Out of these, 1276 patients had follow-up data available. Following dietary and exercise interventions, 580 participants achieved optimal weight loss outcomes. Participants were subsequently divided into two groups based on their weight loss outcomes: those who achieved optimal weight loss response and those who did not. Statistical analysis, conducted using RStudio, identified thirteen predictor variables through LASSO and logistic regression, with age emerging as the most influential predictor. A nomogram was developed to predict optimal weight loss response, showing good predictive performance (AUC = 0.807) and clinical applicability, validated by internal validation methods. Decision curve analysis (DCA) further illustrated the nomogram's clinical utility. The developed nomogram prediction model for optimal weight loss response is user-friendly, highly accurate, and demonstrates excellent discriminative and calibration capabilities.
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Ejercicio Físico , Nomogramas , Obesidad , Pérdida de Peso , Humanos , Femenino , Masculino , Obesidad/terapia , Persona de Mediana Edad , Adulto , Dieta Reductora/métodos , Terapia por Ejercicio/métodos , Resultado del TratamientoRESUMEN
This study investigates gender-specific differences in obesity and the treatment by metabolic bariatric surgery (MBS). The database includes 2393 patients (1725 women, 668 men) from for a high-volume center for bariatric surgery. Demographic, perioperative and follow-up data were retrospectively analyzed. Men had a significantly higher body mass index (BMI) and more frequent obesity-associated diseases. Despite the higher prevalence of obesity in men, women accounted for 80% of the surgical patients. On average men had longer operation times but with the same complication rates. Postoperatively, both sexes experienced a significant reduction in excess body weight, which was slightly more pronounced in women. The study particularly emphasizes the need to better motivate men to undergo obesity treatment in order to reduce the health consequences of morbid obesity in this population group.
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Binge eating disorder (BED) is the most prevalent form of disordered eating, frequently associated with obesity. Both these conditions along with sharing overeating behaviour features can lead to substantial burden of disease and premature mortality. With limited specific evidence available on pharmacotherapy, since lisdexamfetamine is approved only in some countries, new drugs are urgently needed to provide physicians with efficacious prescribing choices when treating BED. Although unique mechanisms underlie psychopathological features of binge eating, including impulsivity, compulsivity, and emotional reactivity, anti-obesity drugs might represent an option for both weight management and symptom reduction in people with BED. The aim of this review is thus to provide a summary of available evidence on the efficacy of anti-obesity drugs for BED. After comprehensively searching for relevant studies in PubMed and the Cochrane Library, as well as for unpublished results in ClinicalTrials.gov, we included 14 clinical trials. Despite the limited sample size and the methodological variability, evidence from available studies suggests that most anti-obesity drugs, namely phentermine/topiramate, naltrexone/bupropion, liraglutide and semaglutide, though not orlistat, might variously achieve improvements for both body weight and severity and frequency of binge episodes. Findings from ongoing clinical trials are likely to provide further insight into the possible role of anti-obesity drugs for treating BED. Since these agents can hold the potential to be misused potentiating dietary restriction and pathological weight loss, it is crucial to promote responsible prescribing practices.
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Burkitt Lymphoma (BL) is an aggressive B-cell lymphoma predominantly encountered in pediatrics. Sporadic type typically involves the abdomen and/or pelvis. We present an 8-year-old Caucasian male with vomiting, weight loss, fatigue, and abdominal pain. An abdominal X-ray was unremarkable without any acute findings. Pediatric gastroenterology was consulted and recommended esophagogastroduodenoscopy and colonoscopy. A digital rectal exam (DRE) was performed, and a firm lesion was palpated. The colonoscopy was normal. Subsequent magnetic resonance imaging and computed tomography scans revealed a lesion in the left lower quadrant with mass-like processes involving the porta hepatis and encasing the left distal ureter. Tissue biopsy confirmed BL. The patient completed chemotherapy and achieved remission. This case highlights DRE as a basic physical exam skill in the evaluation of patients with nonspecific gastrointestinal symptoms.
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BACKGROUND: Obesity causes many physical and mental illnesses. This study compares mindfulness-based eating awareness training (MB-EAT) versus MB-EAT plus implementation intention model for effectiveness on body mass index (BMI), weight self-efficacy, and physical activity in obese women with BMIs ≤ 25 (n = 52). METHODS: In this randomized clinical trial, the participants were selected by the simple random sampling method and randomly divided into three groups. A 12-session MB-EAT of 150 min per session was performed for experimental group I. The experimental group II received MB-EAT alone for physical activity planning and MB-EAT plus implementation intention; also, both groups were compared to the control group. Data were measured by the scales, a questionnaire, and a checklist, and the P-values are based on the results of the generalized estimating equation (GEE) test. P < 0.001 were considered the significance level. RESULTS: The MB-EAT and MB-EAT + implementation intention effectiveness on the two experimental groups' BMI, weight self-efficacy, and physical activity was significantly different from the control group. In the integrated group versus the MB-EAT group, BMI, physical activity, and physical discomfort, were more effective than the weight self-efficacy subscales. Both intervention groups were effective on BMI, weight self-efficacy, and physical activity, but the integrated group's effectiveness was more. CONCLUSIONS: The MB-EAT effectiveness trial is theory-based, reducing weight and the psychological and behavioral consequences of overweight and obese adults. The MB-EAT + the Implementation intention model is to plan regular and daily exercise according to each individual's specific circumstances. TRIAL REGISTRATION: The trial registration number: (IRCT20200919048767N1).
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Índice de Masa Corporal , Ejercicio Físico , Intención , Atención Plena , Obesidad , Autoeficacia , Humanos , Femenino , Atención Plena/métodos , Adulto , Obesidad/psicología , Obesidad/terapia , Ejercicio Físico/psicología , Concienciación , Adulto Joven , Persona de Mediana Edad , Conducta Alimentaria/psicología , Resultado del Tratamiento , Peso Corporal , Ingestión de Alimentos/psicologíaRESUMEN
BACKGROUND: Recent evidence shows the role of sirtuin 1(SIRT1), a family of evolutionarily conserved proteins, as a potential therapeutic target in the prevention and treatment of obesity and metabolic diseases. Some evidence shows the moderating effects of weight loss interventions on this factor. However, the findings are contradictory. In order to obtain a better viewpoint from them, this study aimed to comprehensively investigate the effects of weight loss interventions on SIRT 1 modulation. METHODS: For this study, we searched four electronic databases using predefined keywords from inception until March 2024. We includedrandomized controlled trials that evaluated the effect of weight reduction strategies on SIRT1 levels. The random-effects model analysis was used to obtain the pooled weighted mean difference (WMD) and 95% confidence intervals (95% CI). The meta-analysis was conducted using RevMan version 5.3 software and Stata version 12.0. RESULTS: Twelve studies with 627 volunteers were included. The pooled findings showed that weight loss interventions have no significant effect on the modulation of SIRT1 compared to the control group (pooled WMD of 0.58 ng/mL; 95% confidence interval [CI] -0.17 to 1.33; p = 0.130). However, subgroup analysis showed that weight loss interventions significantly modulate SIRT1 at metabolic disease (WMD: 1.2 ng/mL, 95% CI: 0.11 to 2.62, I2 = 82.9%). In addition, subgroup findings indicated health status and body mass index (BMI) as sources of high and potential heterogeneity. CONCLUSIONS: Based on the findings, weight loss therapies in individuals having a metabolic disorder appear to generate a considerable increase in SIRT1 levels.
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Superior mesenteric artery syndrome is an acquired vascular compression disorder resulting from the compression of the third portion of the duodenum, which is the first part of the small intestine, leading to a reduction in the space between the aorta and the superior mesenteric artery. Although rare, superior mesenteric artery syndrome-induced pancreatitis has been documented in the literature. This article presents the case of a 20-year-old female patient with a history of colectomy for acute severe colitis, resulting in significant weight loss. She was admitted to the hospital with symptoms of upper bowel obstruction, and the diagnosis of superior mesenteric artery syndrome complicated by acute pancreatitis was made. The patient underwent a nutritional assistance program along with intravenous fluid therapy, resulting in positive outcomes. Superior mesenteric artery syndrome -induced pancreatitis is rarely reported and can be attributed to an occlusive post-papillary syndrome, which causes retrograde reflux of bile into the pancreatic duct, activating inflammation responsible for pancreatitis.
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Alpha-cyclodextrin (α-CD) is a non-absorbable and soluble fiber that causes weight loss. We studied whether this is due to an effect on GLP-1 secretion. In GLUTag cells, α-CD increased GLP-1 secretion up to 170% via adenylyl cyclase, phospholipase C, and L-type calcium channels dependent processes. In rat isolated colon perfusions, luminal α-CD increased GLP-1 secretion with 20%. In lean mice, once daily α-CD versus saline caused weight loss and lowered the peak in glucose after an oral glucose tolerance test (OGTT). In obese mice, α-CD added to high-fat diet caused weight loss similar to the control group (receiving cellulose). However, compared to cellulose, the α-CD group ate less. During an OGTT, no differences were observed in glucose, insulin and GLP-1. Thus, α-CD increases GLP-1 secretion in a dose-dependent manner and could be a safe and easy addition to food products to help reduce body weight.