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Ultra-Processed Food Consumption and Mental Health: A Systematic Review and Meta-Analysis of Observational Studies.
Lane, MM, Gamage, E, Travica, N, Dissanayaka, T, Ashtree, DN, Gauci, S, Lotfaliany, M, O'Neil, A, Jacka, FN, Marx, W
Nutrients. 2022;14(13)
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Poor dietary quality is well established as a potentially modifiable risk factor for mental disorders. The NOVA food classification system was recently developed to enable the categorisation of food items based on distinctive levels of processing. The aim of this study was to synthesise and provide quantitative analyses of the most up-to-date evidence assessing associations between consumption of ultra-processed food, as defined by the NOVA food classification system, and mental disorders. This study is systematic review and meta-analysis of 17 studies with a total of 385,541 participants. The studies were 15 cross-sectional and 2 prospectively designed studies. Results show that ultra-processed food consumption is bidirectionally associated with adverse mental health. In fact, greater intake of ultra-processed food was associated with increased odds of depressive and anxiety symptoms, both when these outcomes were assessed together as well as separately. Authors conclude that further prospective and experimental studies are required to better determine directionality and causality and ensure that global preventative and treatment strategies are efficacious and appropriate.
Abstract
Since previous meta-analyses, which were limited only to depression and by a small number of studies available for inclusion at the time of publication, several additional studies have been published assessing the link between ultra-processed food consumption and depression as well as other mental disorders. We aimed to build on previously conducted reviews to synthesise and meta-analyse the contemporary evidence base and clarify the associations between the consumption of ultra-processed food and mental disorders. A total of 17 observational studies were included (n = 385,541); 15 cross-sectional and 2 prospective. Greater ultra-processed food consumption was cross-sectionally associated with increased odds of depressive and anxiety symptoms, both when these outcomes were assessed together (common mental disorder symptoms odds ratio: 1.53, 95%CI 1.43 to 1.63) as well as separately (depressive symptoms odds ratio: 1.44, 95%CI 1.14 to 1.82; and, anxiety symptoms odds ratio: 1.48, 95%CI 1.37 to 1.59). Furthermore, a meta-analysis of prospective studies demonstrated that greater ultra-processed food intake was associated with increased risk of subsequent depression (hazard ratio: 1.22, 95%CI 1.16 to 1.28). While we found evidence for associations between ultra-processed food consumption and adverse mental health, further rigorously designed prospective and experimental studies are needed to better understand causal pathways.
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Increased emotional eating during COVID-19 associated with lockdown, psychological and social distress.
Cecchetto, C, Aiello, M, Gentili, C, Ionta, S, Osimo, SA
Appetite. 2021;160:105122
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After China, Italy was the first country in which the coronavirus disease 2019 (COVID-19) pandemic rapidly spread. As a consequence, a lockdown was imposed in the entire nation to reduce the spread of infections. The main aim of this study was to investigate how the negative emotions raised by the lockdown and the social features that characterised the quality of life during lockdown interacted with individual characteristics to affect the eating behaviour during the lockdown. This study is based on an anonymous online survey which was shared via social media targeting Italian residents or speakers who were 18 years of age or older. A total of 365 participants were considered for this study. Results indicate that: - increased emotional eating was significantly predicted by higher level of anxiety, depression, and partially, by Quality of Life and Quality of the Relationships. - increased binge eating was predicted by higher stress. - higher alexithymia [a broad term to describe problems with feeling emotions] scores were associated by increased emotional eating and higher body mass index scores were associated with both increased emotional eating and binge eating. - emotional eating and binge eating decreased significantly in Phase 2 compared to Phase 1 of the lockdown period. Authors conclude that future policies during lockdown should also take into consideration the emotional toll on individual well-being and should include measures of psychological support.
Abstract
Due to the spread of COVID 2019, the Italian government imposed a lockdown on the national territory. Initially, citizens were required to stay at home and not to mix with others outside of their household (Phase 1); eventually, some of these restrictions were lifted (Phase 2). To investigate the impact of lockdown on emotional and binge eating, an online survey was conducted to compare measures of self-reported physical (BMI), psychological (Alexithymia), affective (anxiety, stress, and depression) and social (income, workload) state during Phase 1 and Phase 2. Data from 365 Italian residents showed that increased emotional eating was predicted by higher depression, anxiety, quality of personal relationships, and quality of life, while the increase of bingeing was predicted by higher stress. Moreover, we showed that higher alexithymia scores were associated by increased emotional eating and higher BMI scores were associated with both increased emotional eating and binge eating. Finally, we found that from Phase 1 to Phase 2 binge and emotional eating decreased. These data provide evidence of the negative effects of isolation and lockdown on emotional wellbeing, and, relatedly, on eating behaviour.
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Eating Behavior, Physical Activity and Exercise Training: A Randomized Controlled Trial in Young Healthy Adults.
Martinez-Avila, WD, Sanchez-Delgado, G, Acosta, FM, Jurado-Fasoli, L, Oustric, P, Labayen, I, Blundell, JE, Ruiz, JR
Nutrients. 2020;12(12)
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Eating behaviours and physical activity levels are important factors affecting obesity and associated comorbidities such as diabetes and cardiovascular disease. This randomised controlled researcher-blinded longitudinal trial investigated the effect of different physical activity levels on eating behaviours in 139 young adults. The participants were assigned to three groups: (1) a moderate-intensity aerobic exercise at 60% heart rate reserve (HRres) for 150 mins/week along with weekly two sessions of resistance training at 50% of the 1 repetition maximum (RM) for six months; (2) 75 minutes/week moderate-intensity aerobic exercise at 60% HRes along with 75 min/week vigorous intensity at 80% HRres and weekly two sessions of resistance training at 70% of the 1 RM for six months (3) a control group following their normal lifestyle. Six-month exercise intervention did not change behaviour traits, and furthermore, vigorous-intensity exercise significantly increased emotional eating in healthy young adults. A sedentary lifestyle showed an inverse association with binge eating, emotional eating, and uncontrolled eating. Moderate-intensity exercise and moderate to vigorous-intensity exercise showed an inverse association with craving control. Moderate to vigorous-intensity exercise showed a direct association with binge eating and uncontrolled eating. To determine the cause-effect relationship between physical activity and behavioural traits, further research is needed. Healthcare professionals can use the results of this study to understand the relationship between behavioural traits and physical activity levels in young adults.
Abstract
Regular physical activity (PA) is an important part of the treatment of several medical conditions, including overweight and obesity, in which there may be a weakened appetite control. Eating behaviour traits influence weight control and may be different in active and sedentary subjects. This paper reports the relationships between the time spent in sedentary behaviour and physical activity (PA) of different intensity, and eating behaviour traits in young, healthy adults. Additionally, it reports the results of a six-month-long, randomized, controlled trial to examine the effect of an exercise intervention on eating behaviour traits. A total of 139 young (22.06 ± 2.26 years) healthy adults (68.35% women) with a Body Mass Index (BMI) of 24.95 ± 4.57 kg/m2 were enrolled. Baseline assessments of habitual PA were made using wrist-worn triaxial accelerometers; eating behaviour traits were examined via the self-reported questionnaires: Binge Eating, Three-Factor Eating Questionnaire-R18 and Control of Eating Questionnaire. The subjects were then randomly assigned to one of three groups: control (usual lifestyle), moderate-intensity exercise (aerobic and resistance training 3¨C4 days/week at a heart rate equivalent to 60% of the heart rate reserve (HRres) for the aerobic component, and at 50% of the 1 repetition maximum (RM) for the resistance component), or vigorous-intensity exercise (the same training but at 80% HRres for half of the aerobic training, and 70% RM for the resistance training). At baseline, sedentary behaviour was inversely associated with binge eating (r = -0.181, p < 0.05) and with uncontrolled eating (r = -0.286, p = 0.001). Moderate PA (MPA) was inversely associated with craving control (r = -0.188, p < 0.05). Moderate-to-vigorous PA (MVPA) was directly associated with binge eating (r = 0.302, p < 0.001) and uncontrolled eating (r = 0.346, p < 0.001), and inversely associated with craving control (r = -0.170, p < 0.015). Overall, PA was directly associated with binge eating (r = 0.275, p = 0.001), uncontrolled eating (r = 0.321, p < 0.001) and emotional eating (r = 0.204, p < 0.05). Additionally, only emotional eating was modified by the intervention, increasing in the vigorous-intensity exercise group (p < 0.05). In summary, we observed that time spent in sedentary behaviour/PA of different intensity is associated with eating behaviour traits, especially binge eating in young adults. In contrast, the six-month exercise intervention did not lead to appreciable changes in eating behaviour traits.
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Brain-Behavior-Immune Interaction: Serum Cytokines and Growth Factors in Patients with Eating Disorders at Extremes of the Body Mass Index (BMI) Spectrum.
Caroleo, M, Carbone, EA, Greco, M, Corigliano, DM, Arcidiacono, B, Fazia, G, Rania, M, Aloi, M, Gallelli, L, Segura-Garcia, C, et al
Nutrients. 2019;11(9)
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Eating disorders such as anorexia, binge eating and night-time eating cause great fluctuations in body mass and have also been shown to alter the immune system, and more specifically markers of inflammation called cytokines. In this observational study of 90 patients with known eating disorders, the researchers tried to identify how much BMI, ‘underweightness’ and malnutrition influenced the body’s pro-inflammatory response and upset the normal immune response. They found that many inflammatory cytokines were elevated in the blood samples taken, a likely response to the conditions of stress in the body. These cytokines are known to interact with the nervous system and were also influenced by other common symptoms such as depression. They were able to group the differences in cytokines for anorexia nervosa, binge-eating disorder, post-dinner eating, night-eating, sweet-eating and fasting. These markers of dysfunctional eating behaviours may help form part of a therapeutic approach to treating eating disorders based on supporting the immune response and reducing inflammation to stabilise metabolic processes. Future studies in a larger population of patients is necessary to determine the relevance of these findings.
Abstract
Alterations of the immune system are known in eating disorders (EDs), however the importance of cytokine balance in this context has not been clarified. We compared cytokines and growth factors at opposite ends of BMI ranges, in 90 patients classified in relation to BMI, depressive and EDs comorbidities. Serum concentrations of interleukin (IL)-1α, IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10, interferon-gamma (IFN-γ), tumor necrosis factor-alpha (TNF-α), monocyte chemoattractant protein-1 (MCP-1), vascular endothelial growth factor (VEGF), and epidermal growth factor (EGF) were determined by a biochip analyzer (Randox Labs). Differences were calculated through ANOVA. Possible predictors of higher cytokine levels were evaluated through regression analysis. IL-1α, IL-10, EGF, and IFN-γ were altered individuals with anorexia nervosa (AN) and binge eating disorder (BED). Night-eating was associated with IL-8 and EGF levels, IL-10 concentrations with post-dinner eating and negatively with sweet-eating, long fasting with higher IFN-γ levels. IL-2 increase was not linked to EDs, but to the interaction of depression and BMI. Altogether, for the first time, IL-1α, IL-10, EGF, and IFN-γ were shown to differ between AN and HCs, and between AN and individuals with obesity with or without BED. Only IL-2 was influenced by depression. Dysfunctional eating behaviors predicted abnormal concentrations of IL-10, EGF, IL-8 and IFN-γ.
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Psychological, pharmacological, and combined treatments for binge eating disorder: a systematic review and meta-analysis.
Ghaderi, A, Odeberg, J, Gustafsson, S, Råstam, M, Brolund, A, Pettersson, A, Parling, T
PeerJ. 2018;6:e5113
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It is estimated that between 1% and 4% of the population suffer from binge eating disorder (BED), which is characterised by episodes of binge eating and a lack of control over eating. People with BED tend to have lower mental wellbeing and are more likely to be overweight or obese, leading to increased risk of related diseases such as type 2 diabetes. Treatments for BED include psychological treatments such as cognitive behavioural therapy (CBT), and medication such as selective serotonin re-update inhibitors (SSRIs) and weight-loss medication, as well as medications that are normally prescribed for attention deficit disorders, addictions and epilepsy. The aim of this review was to evaluate previous trials on the effectiveness of a range of psychological, pharmacological and combined treatments for BED. The authors looked at 45 trials which included over 4,000 participants. They found moderate support for the effectiveness of CBT and guided self-help for the treatment of BED in stopping or reducing the frequency of binge eating. Overall, there was a lack of long-term follow-ups, with no data on the long-term effect of medications. Interesting, the use of SSRIs did not have a significant impact on depressed mood in people with BED and lisdexamfetamine was the only intervention associated with a reduction in BMI (an expected finding as this medication is associated with some loss of appetite). There were very few studies that directly compared psychological treatments with medication, and a lack of evidence on the effectiveness of treatment in younger adults and teenagers. The authors concluded that more long-term studies are needed in the treatment of BED (included exploring quality of life), standardised assessments of BED and people from underrepresented populations (e.g. adolescents).
Abstract
OBJECTIVE To systematically review the efficacy of psychological, pharmacological, and combined treatments for binge eating disorder (BED). METHOD Systematic search and meta-analysis. RESULTS We found 45 unique studies with low/medium risk of bias, and moderate support for the efficacy of cognitive behavior therapy (CBT) and CBT guided self-help (with moderate quality of evidence), and modest support for interpersonal psychotherapy (IPT), selective serotonin reuptake inhibitors (SSRI), and lisdexamfetamine (with low quality of evidence) in the treatment of adults with BED in terms of cessation of or reduction in the frequency of binge eating. The results on weight loss were disappointing. Only lisdexamfetamine showed a very modest effect on weight loss (low quality of evidence). While there is limited support for the long-term effect of psychological treatments, we have currently no data to ascertain the long-term effect of drug treatments. Some undesired side effects are more common in drug treatment compared to placebo, while the side effects of psychological treatments are unknown. Direct comparisons between pharmaceutical and psychological treatments are lacking as well as data to generalize these results to adolescents. CONCLUSION We found moderate support for the efficacy of CBT and guided self-help for the treatment of BED. However, IPT, SSRI, and lisdexamfetamine received only modest support in terms of cessation of or reduction in the frequency of binge eating. The lack of long-term follow-ups is alarming, especially with regard to medication. Long-term follow-ups, standardized assessments including measures of quality of life, and the study of underrepresented populations should be a priority for future research.
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The effects of acceptance and commitment therapy on eating behavior and diet delivered through face-to-face contact and a mobile app: a randomized controlled trial.
Järvelä-Reijonen, E, Karhunen, L, Sairanen, E, Muotka, J, Lindroos, S, Laitinen, J, Puttonen, S, Peuhkuri, K, Hallikainen, M, Pihlajamäki, J, et al
The international journal of behavioral nutrition and physical activity. 2018;15(1):22
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Acceptance and commitment therapy is one promising method in changing behaviour towards a person’s own value and goals. It aims to strengthen positive psychological processes related to commitment, behaviour change, mindfulness, and acceptance, which can be applied to promote healthy behaviour pattern. The aim of this study was to investigate the effects of acceptance and commitment therapy intervention delivered in two different ways i.e., via face-to-face group sessions and via mobile app, on reported eating behaviour and diet quality among adults with psychological distress and overweight or obesity. The study is a secondary analysis of the parallel-arm randomised controlled trial in which 3 different psychological interventions were studied. 219 individuals participated in the study with a mean body mass index of 31.3kg/m2, and a mean age of 49.5 years. Results indicate that acceptance and commitment therapy-based were able to change the reasons for eating from emotional or environmental triggers towards hunger and satiety cues, increase the acceptance of a variety of foods, and help the individual to perceive healthy eating more consistently. Authors conclude that acceptance and commitment therapy-based interventions delivered in the face-to-face group sessions or by the Mobile app showed beneficial effects on several aspects of eating behaviour.
Abstract
BACKGROUND Internal motivation and good psychological capabilities are important factors in successful eating-related behavior change. Thus, we investigated whether general acceptance and commitment therapy (ACT) affects reported eating behavior and diet quality and whether baseline perceived stress moderates the intervention effects. METHODS Secondary analysis of unblinded randomized controlled trial in three Finnish cities. Working-aged adults with psychological distress and overweight or obesity in three parallel groups: (1) ACT-based Face-to-face (n = 70; six group sessions led by a psychologist), (2) ACT-based Mobile (n = 78; one group session and mobile app), and (3) Control (n = 71; only the measurements). At baseline, the participants' (n = 219, 85% females) mean body mass index was 31.3 kg/m2 (SD = 2.9), and mean age was 49.5 years (SD = 7.4). The measurements conducted before the 8-week intervention period (baseline), 10 weeks after the baseline (post-intervention), and 36 weeks after the baseline (follow-up) included clinical measurements, questionnaires of eating behavior (IES-1, TFEQ-R18, HTAS, ecSI 2.0, REBS), diet quality (IDQ), alcohol consumption (AUDIT-C), perceived stress (PSS), and 48-h dietary recall. Hierarchical linear modeling (Wald test) was used to analyze the differences in changes between groups. RESULTS Group x time interactions showed that the subcomponent of intuitive eating (IES-1), i.e., Eating for physical rather than emotional reasons, increased in both ACT-based groups (p = .019); the subcomponent of TFEQ-R18, i.e., Uncontrolled eating, decreased in the Face-to-face group (p = .020); the subcomponent of health and taste attitudes (HTAS), i.e., Using food as a reward, decreased in the Mobile group (p = .048); and both subcomponent of eating competence (ecSI 2.0), i.e., Food acceptance (p = .048), and two subcomponents of regulation of eating behavior (REBS), i.e., Integrated and Identified regulation (p = .003, p = .023, respectively), increased in the Face-to-face group. Baseline perceived stress did not moderate effects on these particular features of eating behavior from baseline to follow-up. No statistically significant effects were found for dietary measures. CONCLUSIONS ACT-based interventions, delivered in group sessions or by mobile app, showed beneficial effects on reported eating behavior. Beneficial effects on eating behavior were, however, not accompanied by parallel changes in diet, which suggests that ACT-based interventions should include nutritional counseling if changes in diet are targeted. TRIAL REGISTRATION ClinicalTrials.gov ( NCT01738256 ), registered 17 August, 2012.
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Association between weight bias internalization and metabolic syndrome among treatment-seeking individuals with obesity.
Pearl, RL, Wadden, TA, Hopkins, CM, Shaw, JA, Hayes, MR, Bakizada, ZM, Alfaris, N, Chao, AM, Pinkasavage, E, Berkowitz, RI, et al
Obesity (Silver Spring, Md.). 2017;25(2):317-322
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Weight stigma is a psychosocial consequence in which individuals with obesity experience public discrimination and devaluation. Some individuals apply these negative stereotypes to themselves, which creates a self-directed stigma referred to as weight bias internalization (WBI). While studies have found perceived weight discrimination to be associated with an increased risk of mortality, no study has investigated the relationship between WBI and obesity on the risk of developing metabolic syndrome (MetS). The aim of this study is to examine the relationship between WBI and MetS. The authors hypothesised that among obese individuals, higher levels of WBI would be associated with increased odds of having MetS. Among the 178 obese adults recruited, 159 completed the study. Tests included anthropometric measurements, blood analysis, the Weight Bias Internalization Scale (WBIS) and the Patient Health Questionnaire. This study found that individuals who self-stigmatise may have a heightened risk of dyslipidemia, one component of MetS. Based on these results, the authors conclude that weight stigma is a chronic stressor and may contribute to poor health. Future studies are needed to identify specific pathways in which WBI exacerbates cardiometaoblic risk factors.
Abstract
OBJECTIVE Weight stigma is a chronic stressor that may increase cardiometabolic risk. Some individuals with obesity self-stigmatize (i.e., weight bias internalization, WBI). No study to date has examined whether WBI is associated with metabolic syndrome. METHODS Blood pressure, waist circumference, and fasting glucose, triglycerides, and high-density lipoprotein cholesterol were measured at baseline in 178 adults with obesity enrolled in a weight-loss trial. Medication use for hypertension, dyslipidemia, and prediabetes was included in criteria for metabolic syndrome. One hundred fifty-nine participants (88.1% female, 67.3% black, mean BMI = 41.1 kg/m2 ) completed the Weight Bias Internalization Scale and Patient Health Questionnaire (PHQ-9, to assess depressive symptoms). Odds ratios and partial correlations were calculated adjusting for demographics, BMI, and PHQ-9 scores. RESULTS Fifty-one participants (32.1%) met criteria for metabolic syndrome. Odds of meeting criteria for metabolic syndrome were greater among participants with higher WBI, but not when controlling for all covariates (OR = 1.46, 95% CI = 1.00-2.13, P = 0.052). Higher WBI predicted greater odds of having high triglycerides (OR = 1.88, 95% CI = 1.14-3.09, P = 0.043). Analyzed categorically, high (vs. low) WBI predicted greater odds of metabolic syndrome and high triglycerides (Ps < 0.05). CONCLUSIONS Individuals with obesity who self-stigmatize may have heightened cardiometabolic risk. Biological and behavioral pathways linking WBI and metabolic syndrome require further exploration.
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Dietary Intake after Weight Loss and the Risk of Weight Regain: Macronutrient Composition and Inflammatory Properties of the Diet.
Muhammad, HFL, Vink, RG, Roumans, NJT, Arkenbosch, LAJ, Mariman, EC, van Baak, MA
Nutrients. 2017;9(11)
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In 2015, 107.7 million children and 603.7 million adults worldwide were obese. Effective actions to prevent the increasing rate of obesity and to treat those who are already obese are required. The aim of the study is to investigate the influence of macronutrients composition and inflammatory properties of the diet on weight regain during a weight maintenance period after weight loss of overweight and obese individuals. The study enrolled 57 Caucasian adult participants (27 males and 30 females) who had a body mass index more than 28kg/m2. The dietary intervention program consisted of three periods i.e. weight loss period, weight stable period and follow-up period. The study shows that the macronutrient composition of the weight maintenance diet was not associated with weight regain. However, the dietary inflammatory index was positively correlated with weight regain. In fact, intake of micronutrients with anti-inflammatory properties was found to be negatively correlated with weight regain. Authors conclude that the inflammatory properties of the diet during the weight maintenance period play a role in weight regain after a diet-induced weight loss program in overweight and obese adults.
Abstract
Weight regain after successful weight loss is a big problem in obesity management. This study aimed to investigate whether weight regain after a weight loss period is correlated with the macronutrient composition and/or the inflammatory index of the diet during that period. Sixty one overweight and obese adults participated in this experimental study. Subjects lost approximately 10% of their initial weight by means of very low-calorie diet for five weeks, or a low calorie diet for 12 weeks. After that, subjects in both groups followed a strict weight maintenance diet based on individual needs for four weeks, which was followed by a nine-month weight maintenance period without dietary counseling. Anthropometrics and dietary intake data were recorded before weight loss (baseline) and during the weight maintenance period. On average, participants regained approximately half of their lost weight. We found no evidence that macronutrient composition during the weight maintenance period was associated with weight regain. The dietary inflammatory index (r = 0.304, p = 0.032) was positively correlated with weight regain and remained significant after correction for physical activity (r = 0.287, p = 0.045). Our data suggest that the inflammatory properties of diet play a role in weight regain after weight loss in overweight and obese adults.
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Randomized controlled trial comparing smartphone assisted versus traditional guided self-help for adults with binge eating.
Hildebrandt, T, Michaelides, A, Mackinnon, D, Greif, R, DeBar, L, Sysko, R
The International journal of eating disorders. 2017;50(11):1313-1322
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Mobile technology offers the potential for greater accessibility to patients, and a reduced treatment burden, which could increase adherence to self-help treatments. The aim of this randomised controlled study was to test the efficacy of a smartphone app – Noom Monitor - compared to traditional cognitive behaviour therapy in the management of binge eating episodes. The study recruited 66 adults who were randomized into two groups: cognitive-behaviour therapy through self-guided help or cognitive-behaviour therapy through self-guided help using Noom Monitor. Results show that patients receiving cognitive-behaviour therapy through self-guided help using Noom Monitor experienced a greater reduction in objective bulimic episodes and purging, and an increase in weekly meal and snack adherence. Authors conclude that smartphone apps can improve initial outcomes of cognitive-behaviour therapy through self-guided help and may offer a useful way to improve participant adherence among those who stay engaged in the treatment.
Abstract
OBJECTIVE Guided self-help treatments based on cognitive-behavior therapy (CBT-GSH) are efficacious for binge eating. With limited availability of CBT-GSH in the community, mobile technology offers a means to increase use of these interventions. The purpose of this study was to test the initial efficacy of Noom Monitor, a smartphone application designed to facilitate CBT-GSH (CBT-GSH + Noom), on study retention, adherence, and eating disorder symptoms compared to traditional CBT-GSH. METHOD Sixty-six men and women with DSM-5 binge-eating disorder (BED) or bulimia nervosa (BN) were randomized to receive eight sessions of CBT-GSH + Noom (n = 33) or CBT-GSH (n = 33) over 12 weeks. Primary symptom outcomes were eating disorder examination objective bulimic episodes (OBEs), subjective bulimic episodes (SBEs), and compensatory behaviors. Assessments were collected at 0, 4, 8, 12, 24, and 36 weeks. Behavioral outcomes were modeled using zero-inflated negative-binomial latent growth curve models with intent-to-treat. RESULTS There was a significant effect of treatment on change in OBEs (β = -0.84, 95% CI = -1.49, -0.19) favoring CBT-GSH + Noom. Remission rates were not statistically different between treatments for OBEs (βlogit = -0.73, 95% CI = -1.86, 3.27; CBT-GSH-Noom = 17/27, 63.0% vs. CBT-GSH 11/27, 40.7%, NNT = 4.5), but CBT-GSH-Noom participants reported greater meal and snack adherence and regular meal adherence mediated treatment effects on OBEs. The treatments did not differ at the 6-month follow-up. DISCUSSION Smartphone applications for the treatment binge eating appear to have advantages for adherence, a critical component of treatment dissemination.
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[Type 2 Diabetes Mellitus, Depression and Eating Disorders in Patients Submitted to Bariatric Surgery].
Brandão, I, Marques Pinho, A, Arrojado, F, Pinto-Bastos, A, Maia da Costa, J, Coelho, R, Calhau, C, Conceição, E
Acta medica portuguesa. 2016;29(3):176-81
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Bariatric surgery has become the most efficient way to obtain satisfying results in terms of weight loss, comorbidity improvement and survival amongst people with morbid obesity. The aim of the study is to assess the progression of type 2 diabetes and psychopathological variables before and after bariatric surgery. A secondary aim is to analyse the importance of the different variables in weight loss outcomes. The retrospective observational and cross-sectional study involves clinical data of 75 patients, aged between 23 and 64, before and after bariatric surgery. Results indicate that type 2 diabetes improved through bariatric surgery, and that type 2 diabetes, depression and eating disorders have an influence on weight loss postoperatively. Authors conclude that it is important to provide continuous psychiatric follow-up of patients who undergo bariatric surgery.
Abstract
INTRODUCTION Obesity is associated with a great number of complications, including type 2 diabetes mellitus and psychiatric pathology. Bariatric surgery is the best solution to weight loss and improvement of complications in morbid obese patients. This study aims to analyze the evolution of type 2 diabetes mellitus and psychopathologic variables before and after bariatric surgery and assess the importance of different variables in weight loss. MATERIAL AND METHODS This is a longitudinal study, which evaluates 75 patients before and after bariatric surgery (47 - LAGB - laparoscopic adjustable gastric band; 19 - RYGB - Roux-en-Y gastric bypass; 9 - sleeve) with a follow-up time between 18 and 46 months. A clinical interview and self report questionnaires were applied - Eating Disorder Examination questionnaire - EDE-Q and Beck Depression Inventory - BDI. RESULTS Results show an improvement in type 2 diabetes mellitus after surgery (X2 (1) = 26.132, p < 0.001). There was not a significant improvement among psychiatric pathology when we controlled the analysis for the type of surgery. It was verified that type 2 diabetes mellitus, depression and eating disorders in post-operative period are associated with less weight loss. This model explains 27% of weight variance after surgery (R2 = 0.265) and it is significant F (3.33) = 2.981, p = 0.038. DISCUSSION Type 2 diabetes mellitus, psychiatric pathology and eating disorders after surgery influenced weight loss. It was not clear in what way this relation was verified, neither the relation that these metabolic and psychological variables may have during the postoperative period. CONCLUSION Type 2 diabetes mellitus improved after surgery. Type 2 diabetes mellitus, depression and eating disorders influenced weight loss in the postoperative period. These variables did not influence weight loss in the preoperative period. Introdução: A obesidade associa-se a um elevado número de comorbilidades, entre as quais a diabetes mellitus tipo 2 e a patologia psiquiátrica. A cirurgia bariátrica tem demonstrado ser a melhor solução para a perda de peso e a melhoria das complicações nos casos de obesidade mórbida. O objetivo deste estudo é o de analisar a evolução da diabetes mellitus tipo 2 e de variáveis psicopatológicas antes e depois da cirurgia bariátrica e verificar o seu impacto na perda de peso. Material e Métodos: É um estudo longitudinal, que avalia 75 indivíduos antes e depois de serem submetidos a cirurgia bariátrica (47 - banda gástrica; 19 - bypass Roux-en-Y gástrico; 9 - sleeve gástrico), com tempo de follow-up entre 18 e 46 meses. Os instrumentos de avaliação foram a entrevista clínica e os questionários Eating Disorder Examination questionnaire - EDE-Q e Beck Depression Inventory - BDI. Resultados: Verificou-se melhoria relativamente à variável dicotómica diabetes mellitus tipo 2 após a cirurgia (X(1) = 26,132, p < 0,001). Não ocorreu melhoria significativa em termos de patologia psiquiátrica quando a análise foi controlada para o tipo de cirurgia. Encontrámos uma associação significativa entre as variáveis em estudo no pós-cirúrgico e a perda de peso. Este modelo explica 27% da variação do peso após a cirurgia (R2 = 0,265) e é significativo F (3,33) = 2,981, p = 0,038. Discussão: A diabetes mellitus tipo 2, patologia depressiva ou do comportamento alimentar mostraram estar relacionados com a perda de peso. Não ficou esclarecido em que sentido esta relação é estabelecida, nem a relação que estas variáveis metabólicas e psicológicas possam ter entre si ao longo do período pós cirurgia bariátrica. Conclusão: A diabetes mellitus tipo 2 evoluiu favoravelmente após a cirurgia. Diabetes mellitus tipo 2, depressão e patologia alimentar no período pós-cirúrgico associaram-se a menor perda de peso. As variáveis estudadas no período pré cirúrgico não contribuíram de forma significativa para a perda de peso.