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Lacalaprice D, Mocini E, Frigerio F, Minnetti M, Piciocchi C, Donini LM, Poggiogalle E. Effects of mealtime assistance in the nutritional rehabilitation of eating disorders. Eat Weight Disord 2023; 28:73. [PMID: 37688675 PMCID: PMC10492868 DOI: 10.1007/s40519-023-01605-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/29/2023] [Indexed: 09/11/2023] Open
Abstract
PURPOSE The aim of the study was to examine the effects of meal supervision, provided by health professionals, volunteers or family members, on anthropometric, nutritional, psychological, and behavioural outcomes in patients with eating disorders (EDs). METHODS The present systematic review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The last search was conducted in three databases (PubMed, Scopus, and the Cochrane library). Inclusion criteria considered paediatric and adult patients suffering from EDs, regardless of ethnicity, and treated in different therapeutic settings. The quality of the studies was evaluated using the Newcastle Ottawa Scale (NOS) adapted for cross-sectional studies and Version 2 of the Cochrane risk-of-bias assessment tool for randomised trials. RESULTS 3282 articles were retrieved, out of which only 6 met the eligibility criteria. A marked heterogeneity in definitions and approaches to supervised mealtime was observed. This variability emerged in the methodologies used in the supervised meal, and in the reference values for the outcome measures that were used, such as the analysis of different parameters. Based on these observations, mealtime assistance provided to patients with EDs shows an overall positive effect on eating behaviour and dysfunctional attitudes. Future research should be prompted to provide a thorough definition of a structured procedure for meal assistance to be potentially and systematically included in the nutritional rehabilitation protocols for patients with EDs. LEVEL OF EVIDENCE Level IV systematic reviews of uncontrolled trials.
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Affiliation(s)
- Doriana Lacalaprice
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Edoardo Mocini
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy.
| | - Francesco Frigerio
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Marianna Minnetti
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Claudia Piciocchi
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
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Glympi A, Odegi D, Zandian M, Södersten P, Bergh C, Langlet B. Eating Behavior and Satiety With Virtual Reality Meals Compared With Real Meals: Randomized Crossover Study. JMIR Serious Games 2023; 11:e44348. [PMID: 37561558 PMCID: PMC10450530 DOI: 10.2196/44348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/09/2023] [Accepted: 06/07/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Eating disorders and obesity are serious health problems with poor treatment outcomes and high relapse rates despite well-established treatments. Several studies have suggested that virtual reality technology could enhance the current treatment outcomes and could be used as an adjunctive tool in their treatment. OBJECTIVE This study aims to investigate the differences between eating virtual and real-life meals and test the hypothesis that eating a virtual meal can reduce hunger among healthy women. METHODS The study included 20 healthy women and used a randomized crossover design. The participants were asked to eat 1 introduction meal, 2 real meals, and 2 virtual meals, all containing real or virtual meatballs and potatoes. The real meals were eaten on a plate that had been placed on a scale that communicated with analytical software on a computer. The virtual meals were eaten in a room where participants were seated on a real chair in front of a real table and fitted with the virtual reality equipment. The eating behavior for both the real and virtual meals was filmed. Hunger was measured before and after the meals using questionnaires. RESULTS There was a significant difference in hunger from baseline to after the real meal (mean difference=61.8, P<.001) but no significant change in hunger from before to after the virtual meal (mean difference=6.9, P=.10). There was no significant difference in food intake between the virtual and real meals (mean difference=36.8, P=.07). Meal duration was significantly shorter in the virtual meal (mean difference=-5.4, P<.001), which led to a higher eating rate (mean difference=82.9, P<.001). Some participants took bites and chewed during the virtual meal, but the number of bites and chews was lower than in the real meal. The meal duration was reduced from the first virtual meal to the second virtual meal, but no significant difference was observed between the 2 real meals. CONCLUSIONS Eating a virtual meal does not appear to significantly reduce hunger in healthy individuals. Also, this methodology does not significantly result in eating behaviors identical to real-life conditions but does evoke chewing and bite behavior in certain individuals. TRIAL REGISTRATION ClinicalTrials.gov NCT05734209, https://clinicaltrials.gov/ct2/show/NCT05734209.
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Affiliation(s)
- Alkyoni Glympi
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Dorothy Odegi
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Modjtaba Zandian
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Per Södersten
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | | | - Billy Langlet
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Huddinge, Stockholm, Sweden
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Schmalbach I, Herhaus B, Pässler S, Schmalbach B, Berth H, Petrowski K. Effects of stress on chewing and food intake in patients with anorexia nervosa. Int J Eat Disord 2021; 54:1160-1170. [PMID: 33751639 DOI: 10.1002/eat.23500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/24/2021] [Accepted: 02/24/2021] [Indexed: 11/07/2022]
Abstract
OBJECTIVE The present study investigates the impact of psychosocial stress on chewing and eating behavior in patients with anorexia nervosa (PAN ). METHOD The eating and chewing behavior of PAN were examined in a standardized setting by means of a chewing sensor. These procedures encompassed n = 19 PAN , age, and gender matched to n = 19 healthy controls (HC). Food intake and chewing frequency were assessed in two experimental conditions: rest versus stress (via Trier Social Stress Test). To verify stress induction, two appraisal scales were employed. In addition, chronic stress, psychological distress and eating disorder symptoms were assessed. RESULTS In terms of food intake and chewing frequency, the results of the 2x2 ANOVA demonstrated a significant effect of condition and group. During stress, all participants demonstrated a higher chewing frequency and a decreased ingestion. In general, patients ate less at a lower chewing frequency (vs. HC). However, sample specific analyses demonstrated that the eating and chewing behavior of PAN remained unchanged regardless of the condition, except for their drinking. Food choices were comparable between the groups, but appetite values significantly differed. DISCUSSION The increase in chewing frequency in all participants during stress suggests that chewing might impact affect regulation, however, not specifically in PAN . Future research should clarify to what extent the normalization of chewing behavior could ameliorate ED-symptoms (incl. food intake) in PAN . The application of a chewing sensor could support this aim and future interventions.
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Affiliation(s)
- Ileana Schmalbach
- Medical Psychology and Medical Sociology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany.,Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Division of Psychological and Social Medicine and Developmental Neurosciences, Research Group Applied Medical Psychology and Medical Sociology, Dresden, Germany
| | - Benedict Herhaus
- Medical Psychology and Medical Sociology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Sebastian Pässler
- Abteilung für Innere Medizin III, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Germany
| | - Bjarne Schmalbach
- Medical Psychology and Medical Sociology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Hendrik Berth
- Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Division of Psychological and Social Medicine and Developmental Neurosciences, Research Group Applied Medical Psychology and Medical Sociology, Dresden, Germany
| | - Katja Petrowski
- Medical Psychology and Medical Sociology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany.,Abteilung für Innere Medizin III, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Germany
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Fast Eating Is Associated with Increased BMI among High-School Students. Nutrients 2021; 13:nu13030880. [PMID: 33803093 PMCID: PMC7999323 DOI: 10.3390/nu13030880] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 02/26/2021] [Accepted: 03/05/2021] [Indexed: 02/06/2023] Open
Abstract
Fast self-reported eating rate (SRER) has been associated with increased adiposity in children and adults. No studies have been conducted among high-school students, and SRER has not been validated vs. objective eating rate (OBER) in such populations. The objectives were to investigate (among high-school student populations) the association between OBER and BMI z-scores (BMIz), the validity of SRER vs. OBER, and potential differences in BMIz between SRER categories. Three studies were conducted. Study 1 included 116 Swedish students (mean ± SD age: 16.5 ± 0.8, 59% females) who were eating school lunch. Food intake and meal duration were objectively recorded, and OBER was calculated. Additionally, students provided SRER. Study 2 included students (n = 50, mean ± SD age: 16.7 ± 0.6, 58% females) from Study 1 who ate another objectively recorded school lunch. Study 3 included 1832 high-school students (mean ± SD age: 15.8 ± 0.9, 51% females) from Sweden (n = 748) and Greece (n = 1084) who provided SRER. In Study 1, students with BMIz ≥ 0 had faster OBER vs. students with BMIz < 0 (mean difference: +7.7 g/min or +27%, p = 0.012), while students with fast SRER had higher OBER vs. students with slow SRER (mean difference: +13.7 g/min or +56%, p = 0.001). However, there was “minimal” agreement between SRER and OBER categories (κ = 0.31, p < 0.001). In Study 2, OBER during lunch 1 had a “large” correlation with OBER during lunch 2 (r = 0.75, p < 0.001). In Study 3, fast SRER students had higher BMIz vs. slow SRER students (mean difference: 0.37, p < 0.001). Similar observations were found among both Swedish and Greek students. For the first time in high-school students, we confirm the association between fast eating and increased adiposity. Our validation analysis suggests that SRER could be used as a proxy for OBER in studies with large sample sizes on a group level. With smaller samples, OBER should be used instead. To assess eating rate on an individual level, OBER can be used while SRER should be avoided.
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Södersten P, Brodin U, Zandian M, Bergh CEK. Verifying Feighner's Hypothesis; Anorexia Nervosa Is Not a Psychiatric Disorder. Front Psychol 2019; 10:2110. [PMID: 31607977 PMCID: PMC6756277 DOI: 10.3389/fpsyg.2019.02110] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 08/30/2019] [Indexed: 12/17/2022] Open
Abstract
Mental causation takes explanatory priority over evolutionary biology in most accounts of eating disorders. The evolutionary threat of starvation has produced a brain that assists us in the search for food and mental change emerges as a consequence. The major mental causation hypothesis: anxiety causes eating disorders, has been extensively tested and falsified. The subsidiary hypothesis: anxiety and eating disorders are caused by the same genotype, generates inconsistent results because the phenotypes are not traits, but vary along dimensions. Challenging the mental causation hypothesis in Feighner et al. (1972) noted that anorexic patients are physically hyperactive, hoarding for food, and they are rewarded for maintaining a low body weight. In 1996, Feighner's hypothesis was formalized, relating the patients' behavioral phenotype to the brain mechanisms of reward and attention (Bergh and Södersten, 1996), and in 2002, the hypothesis was clinically verified by training patients how to eat normally, thus improving outcomes (Bergh et al., 2002). Seventeen years later we provide evidence supporting Feighner's hypothesis by demonstrating that in 2012, 20 out of 37 patients who were referred by a psychiatrist, had a psychiatric diagnosis that differed from the diagnosis indicated by the SCID-I. Out of the 174 patients who were admitted in 2012, most through self-referral, there was significant disagreement between the outcomes of the SCID-I interview and the patient's subjective experience of a psychiatric problem in 110 of the cases. In addition, 358 anorexic patients treated to remission scored high on the Comprehensive Psychopathological Rating Scale, but an item response analysis indicated one (unknown) underlying dimension, rather than the three dimensions the scale can dissociate in patients with psychiatric disorders. These results indicate that psychiatric diagnoses, which are reliable and valid in patients with psychiatric disorders, are less well suited for patients with anorexia. The results are in accord with the hypothesis of the present Research Topic, that eating disorders are not always caused by disturbed psychological processes, and support the alternative, clinically relevant hypothesis that the behavioral phenotype of the patients should be addressed directly.
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Affiliation(s)
- Per Södersten
- Karolinska Institutet, Mandometer Clinics, Huddinge, Sweden
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6
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Sarafis I, Diou C, Ioakimidis I, Delopoulos A. Assessment of In-Meal Eating Behaviour using Fuzzy SVM. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2019; 2019:6939-6942. [PMID: 31947435 DOI: 10.1109/embc.2019.8857606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Certain patterns of eating behaviour during meal have been identified as risk factors for long-term abnormal eating development in healthy individuals and, eventually, can affect the body weight. To detect early signs of problematic eating behaviour, this paper proposes a novel method for building behaviour assessment models. The goal of the models is to predict whether the in-meal eating behaviour resembles patterns associated with obesity, eating disorders, or low-risk behaviours. The models are trained using meals recorded with a plate scale from a reference population and labels annotated by a domain expert. In addition, the domain expert assigned scores that characterise the degree of any exhibited abnormal patterns. To improve model effectiveness, we use the domain expert's scores to create training error regularisation weights that alter the importance of each training instance for its class during model training. The behaviour assessment models are based on the SVM algorithm and the fuzzy SVM algorithm for their instance-weighted variation. Experiments conducted on meals recorded from 120 individuals show that: (a) the proposed approach can produce effective models for eating behaviour classification (for individuals), or for ranking (for populations); and (b) the instance-weighted fuzzy SVM models achieve significant performance improvements, compared to the non-weighted, standard SVM models.
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Södersten P, Brodin U, Zandian M, Bergh C. Eating Behavior and the Evolutionary Perspective on Anorexia Nervosa. Front Neurosci 2019; 13:596. [PMID: 31249503 PMCID: PMC6584107 DOI: 10.3389/fnins.2019.00596] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 05/24/2019] [Indexed: 01/04/2023] Open
Abstract
On the standard perspective, anorexia nervosa and other eating disorders are caused by genetically determined, neurochemically mediated mental illnesses. Standard treatment, cognitive behavioral therapy (CBT), targets cognitive processes thought to maintain the disorders. Effective neurochemically based treatments are not available and the rate of remission is ≤25% 1 year after CBT, with unknown outcomes in the long-term. With starvation as the major threat in biological history, the evolutionary perspective focuses on foraging for food and eating behavior. A neural network, including hypothalamic arcuate peptide-neurons, brainstem serotonin- and dopamine-neurons and their prefrontal cortical projections, mediates (rather than controls) the behavioral adaptations to variations in food availability; activation of the network is associated with opposing behavioral outcomes depending upon external variations. In the clinic, the control of eating behavior is therefore outsourced to a machine that provides feedback on how to eat. Hundreds of eating disorders patients have recovered by practicing eating; the rate of remission is 75% in on average 1 year of treatment, the rate of relapse is 10% over 5 years of follow-up and no patient has died. A two-parameter asymptotic exponential growth curve modeled the eating behavior of 17 healthy women but not that of 17 women with anorexia nervosa. When in remission, the eating behavior of the anorexic women approached that of the healthy women. It is suggested that the treatment of eating disorders should focus on eating behavior.
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Affiliation(s)
- P. Södersten
- Karolinska Institutet, Mandometer Clinic, Huddinge, Sweden
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8
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Stay the course: practitioner reflections on implementing family-based treatment with adolescents with atypical anorexia. J Eat Disord 2019; 7:10. [PMID: 31049201 PMCID: PMC6482523 DOI: 10.1186/s40337-019-0240-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 04/02/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Atypical anorexia nervosa (AN) has received minimal empirical attention regarding effective diagnosis and treatment. Family-based treatment (FBT) might be a promising treatment for atypical AN, yet it is unclear as to what adaptations are needed to the current manualized FBT for AN model. The objective of the current study was to identify how FBT practitioners applied FBT for atypical AN for adolescents in their clinical practice, and if there were any implementation challenges and adaptations to the model for this population. METHODS The current study employed fundamental qualitative description, with the aim of capturing practitioners' reflections on working with adolescents with atypical AN in clinical practice. A purposeful sample of practitioners with training in FBT were recruited and each participant completed an individual, semi-structured interview. Data was analyzed using conventional content analysis. RESULTS A total of 23 practitioners participated in this study. The results indicate that practitioners maintained some fidelity to manualized FBT in treating atypical AN, but they differed in their discussions around target weights, what constitutes weight restoration, and the dosage for FBT phases. Salient practice challenges included operationalizing the Diagnostic and Statistical Manual of Mental Disorders - 5th Edition (DSM-5) definition of atypical AN, identifying a 'goal weight' for adolescents and activating parents to take charge of the re-nourishment process. CONCLUSIONS The results of this qualitative study demonstrate practitioner reflections on the delivery and adaptations of FBT for adolescents with atypical AN. These reflections highlight the need to establish the delivery of coherent and consistent treatment and messaging with patients and families. Further, practitioners' reflections highlight common strategies to increase the sense of urgency in parents to support their child with atypical AN.
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Södersten P, Bergh C, Leon M, Brodin U, Zandian M. Cognitive behavior therapy for eating disorders versus normalization of eating behavior. Physiol Behav 2017; 174:178-190. [PMID: 28322911 DOI: 10.1016/j.physbeh.2017.03.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Revised: 01/18/2017] [Accepted: 03/08/2017] [Indexed: 12/22/2022]
Abstract
We examine the science and evidence supporting cognitive behavior therapy (CBT) for the treatment of bulimia nervosa and other eating disorders. Recent trials focusing on the abnormal cognitive and emotional aspects of bulimia have reported a remission rate of about 45%, and a relapse rate of about 30% within one year. However, an early CBT trial that emphasized the normalization of eating behavior had a better outcome than treatment that focused on cognitive intervention. In support of this finding, another treatment, that restores a normal eating behavior using mealtime feedback, has an estimated remission rate of about 75% and a relapse rate of about 10% over five years. Moreover, when eating behavior was normalized, cognitive and emotional abnormalities were resolved at remission without cognitive therapy. The critical aspect of the CBT treatment of bulimia nervosa therefore may actually have been the normalization of eating behavior.
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Affiliation(s)
- P Södersten
- Karolinska Institutet, Section of Applied Neuroendocrinology, Mandometer Clinic, Huddinge, S-14104 Huddinge, Sweden.
| | - C Bergh
- Karolinska Institutet, Section of Applied Neuroendocrinology, Mandometer Clinic, Huddinge, S-14104 Huddinge, Sweden
| | - M Leon
- Karolinska Institutet, Section of Applied Neuroendocrinology, Mandometer Clinic, Huddinge, S-14104 Huddinge, Sweden
| | - U Brodin
- Karolinska Institutet, Section of Applied Neuroendocrinology, Mandometer Clinic, Huddinge, S-14104 Huddinge, Sweden
| | - M Zandian
- Karolinska Institutet, Section of Applied Neuroendocrinology, Mandometer Clinic, Huddinge, S-14104 Huddinge, Sweden
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10
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Abstract
On inpatient eating disorder units, resolving under-nutrition and reestablishing normal eating behavior are key treatment aims. Consequently, the provision of support at mealtimes is a core work task for patients with severe eating disorders. The purpose of this study was to explore staff deliberations and actions, as observed during staff-patient interactions at mealtimes on an inpatient eating disorder unit (EDU). We specifically aimed to characterize how and why staff members intervene during staff-patient interactions in which a refeeding script is activated. This exploratory qualitative study combined non-participant observation and in-depth interviews. Content analysis was used to categorize and abstract the data material. Through the described analysis, we identified two main types of patterns which were categorized as rule adherence and rule bending, describing how staff chose how to intervene in situations where refeeding scripts were activated. The current findings may contribute to enhanced insight and awareness regarding staff behavior and deliberations when providing meal support, and thus help staff members to better understand how meal time support is practiced on inpatient EDUs.
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Affiliation(s)
- Trine Wiig Hage
- a Division of Mental Health and Addiction, Regional Department for Eating Disorders , Oslo University Hospital , Oslo , Norway.,b Institute of Health and Society , University of Oslo , Oslo , Norway
| | - Øyvind Rø
- a Division of Mental Health and Addiction, Regional Department for Eating Disorders , Oslo University Hospital , Oslo , Norway.,c Institute of Clinical Medicine , University of Oslo , Oslo , Norway
| | - Anne Moen
- b Institute of Health and Society , University of Oslo , Oslo , Norway
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Stroe-Kunold E, Friederich HC, Stadnitski T, Wesche D, Herzog W, Schwab M, Wild B. Emotional Intolerance and Core Features of Anorexia Nervosa: A Dynamic Interaction during Inpatient Treatment? Results from a Longitudinal Diary Study. PLoS One 2016; 11:e0154701. [PMID: 27191959 PMCID: PMC4871421 DOI: 10.1371/journal.pone.0154701] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 04/18/2016] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE The role of emotion dysregulation with regard to the psychopathology of anorexia nervosa (AN) is increasingly discussed. It is both assumed that AN symptoms have an impact on difficulties in tolerating aversive emotions and that-conversely-emotion dysregulation influences AN. To date, such conclusions are drawn on the basis of cross-sectional data not allowing for inferences on the temporal dynamics. The current study investigates the longitudinal interaction between emotional intolerance and core AN symptoms over the course of inpatient treatment by comparing patients with high (BMI<15 kg/m2) vs. low symptom severity (HSS vs. LSS). METHOD The study adopted a longitudinal, process-oriented design with N = 16 analysed electronic diaries. Throughout the course of their inpatient treatment, the patients answered questions daily about emotional intolerance and their AN-specific cognitions and behaviours. The temporal dynamics between emotional intolerance and these variables were analysed using a multivariate time series approach. RESULTS The time series of the processes under investigation adequately reflected the individual treatment courses. The majority of significant linear time trends was found for HSS patients. Most importantly, analysis revealed significant temporal interactions between emotional intolerance and AN symptoms in almost 70% of HSS patients. Thereby, up to 37% of variance in eating restraint and up to 23% in weight concern could be attributed to changes in emotional intolerance. CONCLUSIONS The findings support the notion that intolerable unpleasant emotions in severely affected AN patients influence their psychopathology. Additionally, time series analysis outlined the inter-individual heterogeneity of psychosomatic treatment courses of AN patients.
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Affiliation(s)
- Esther Stroe-Kunold
- Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany
| | - Hans-Christoph Friederich
- Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany
- Department of Psychosomatic Medicine and Psychotherapy, LVR-Clinics, University Düsseldorf, Düsseldorf, Germany
| | - Tatjana Stadnitski
- Department of Psychological Methods and Statistics, University Ulm, Ulm, Germany
| | - Daniela Wesche
- Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany
| | - Wolfgang Herzog
- Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany
| | - Michael Schwab
- Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany
| | - Beate Wild
- Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany
- * E-mail:
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12
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Savuskoski M, Uusiautti S, Määttä K. From fear of eating to appetite for life: food and eating in an anorectic mind. INTERNATIONAL JOURNAL OF ADOLESCENCE AND YOUTH 2016. [DOI: 10.1080/02673843.2012.709175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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13
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Beukers L, Berends T, de Man-van Ginkel JM, van Elburg AA, van Meijel B. Restoring normal eating behaviour in adolescents with anorexia nervosa: A video analysis of nursing interventions. Int J Ment Health Nurs 2015. [PMID: 26223764 DOI: 10.1111/inm.12150] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An important part of inpatient treatment for adolescents with anorexia nervosa is to restore normal eating behaviour. Health-care professionals play a significant role in this process, but little is known about their interventions during patients' meals. The purpose of the present study was to describe nursing interventions aimed at restoring normal eating behaviour in patients with anorexia nervosa. The main research question was: 'Which interventions aimed at restoring normal eating behaviour do health-care professionals in a specialist eating disorder centre use during meal times for adolescents diagnosed with anorexia nervosa? The present study was a qualitative, descriptive study that used video recordings made during mealtimes. Thematic data analysis was applied. Four categories of interventions emerged from the data: (i) monitoring and instructing; (ii) encouraging and motivating; (iii) supporting and understanding; and (iv) educating. The data revealed a directive attitude aimed at promoting behavioural change, but always in combination with empathy and understanding. In the first stage of clinical treatment, health-care professionals focus primarily on changing patients' eating behaviour. However, they also address the psychosocial needs that become visible in patients as they struggle to restore normal eating behaviour. The findings of the present study can be used to assist health-care professionals, and improve multidisciplinary guidelines and health-care professionals' training programmes.
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Affiliation(s)
- Laura Beukers
- Triversum Centre for Child and Adolescent Psychiatry, Alkmaar.,Mental Health Nursing Research Group, Inholland University of Applied Sciences, Amsterdam
| | - Tamara Berends
- Mental Health Nursing Research Group, Inholland University of Applied Sciences, Amsterdam.,Rintveld Centre for Eating Disorders, Altrecht Institute for Mental Health Care, Zeist
| | - Janneke M de Man-van Ginkel
- Department of Nursing Science, Programme in Clinical Health Sciences, University Medical Center, Utrecht.,Department of Rehabilitation, Nursing Science and Sport, University Medical Center, Utrecht
| | - Annemarie A van Elburg
- Rintveld Centre for Eating Disorders, Altrecht Institute for Mental Health Care, Zeist.,Department of Social Sciences, University Medical Center, Utrecht
| | - Berno van Meijel
- Mental Health Nursing Research Group, Inholland University of Applied Sciences, Amsterdam.,Parnassia Psychiatric Institute, The Hague, the Netherlands
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Macpherson-Sánchez AE. Integrating fundamental concepts of obesity and eating disorders: implications for the obesity epidemic. Am J Public Health 2015; 105:e71-85. [PMID: 25713933 PMCID: PMC4358173 DOI: 10.2105/ajph.2014.302507] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2014] [Indexed: 12/12/2022]
Abstract
Physiological mechanisms promote weight gain after famine. Because eating disorders, obesity, and dieting limit food intake, they are famine-like experiences. The development of the concept of meeting an ideal weight was the beginning of increasing obesity. Weight stigma, the perception of being fat, lack of understanding of normal growth and development, and increased concern about obesity on the part of health providers, parents, and caregivers have reinforced each other to promote dieting. Because weight suppression and disinhibition provoke long-term weight increase, dieting is a major factor producing the obesity epidemic. The integrated eating disorder-obesity theory included in this article emphasizes that, contrary to dieters, lifetime weight maintainers depend on physiological processes to control weight and experience minimal weight change.
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Affiliation(s)
- Ann E Macpherson-Sánchez
- Ann E. Macpherson-Sánchez is with the Department of Agricultural Education, University of Puerto Rico, Mayagüez
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Kaidanovich-Beilin O, Cha DS, McIntyre RS. Crosstalk between metabolic and neuropsychiatric disorders. F1000 BIOLOGY REPORTS 2012; 4:14. [PMID: 22802875 PMCID: PMC3388805 DOI: 10.3410/b4-14] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Evidence supporting the concurrence of metabolic disturbances (e.g. insulin resistance, diabetes and obesity) and neuropsychiatric disorders has been demonstrated in both human and animal studies, suggesting the possibility that they have shared pathophysiological mechanisms. During the past decade, our understanding for the role of insulin in both normal and abnormal central nervous system (CNS) processes has become increasingly refined. Evidence indicates that insulin is a pleiotropic peptide, critical to neurotrophism, neuroplasticity, and neuromodulation. Moreover, the role of insulin underscores its importance in the development of several neuropsychiatric disorders, including, but not limited to, mechanisms involved in the pathogenesis and progression towards diabetes, obesity, and neurodegenerative disorders, such as Alzheimer's disease. This review focuses on the insulin-mediated effects on normal and abnormal brain function and discusses why targeting insulin-related pathways in the brain may emerge as a new approach for refining treatment of neurological and psychiatric disorders.
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Affiliation(s)
- Oksana Kaidanovich-Beilin
- Samuel Lunenfeld Research InstituteMount Sinai Hospital, 600 University Avenue, Room 983, Toronto, Ontario, M5G 1X5Canada
| | - Danielle S. Cha
- Department of Psychiatry, University of Toronto, and the Mood Disorders Psychopharmacology Unit, University Health Network399 Bathurst Street, MP 9-325, Toronto, Ontario, M5T 2S8Canada
| | - Roger S. McIntyre
- Department of Psychiatry, University of Toronto, and the Mood Disorders Psychopharmacology Unit, University Health Network399 Bathurst Street, MP 9-325, Toronto, Ontario, M5T 2S8Canada
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Abstract
This case study illustrates the treatment of an adult woman who was diagnosed with anorexia nervosa (AN). For approximately 10 years, the client had suffered from various forms of eating disorders and had had several unsuccessful encounters with the health care services. In this study, she was treated with a modification of enhanced cognitive behavioral therapy (CBT-E). CBT-E is a relatively new treatment guide with a transdiagnostic perspective on eating disorders. In all, the treatment consisted of 14 sessions where most sessions were held on a weekly basis. Thereafter, a maintenance and follow-up was conducted via email and with the aid of self-help literature. Treatment time lasted for 8 months followed by a follow-up of 4 months. In this study, the content of each session is described, as are the modifications that were made. The modifications were made to increase motivation and self-esteem, as well as perceived control of eating, which, in itself, is a contribution to increased efficiency and a clarification of important treatment components. Apart from a description of treatment interventions, the study shows the weight gain and other clinically significant components regarding eating disorders that concern, among other things, self-esteem and general mental health. The results of this study demonstrate that this treatment, with the proposed modifications, has been highly effective for this client and hence provides a positive anticipation that this might be a more effective treatment in general for people with AN.
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Noguchi H, Murakami T, Uchino S, Yamashita H, Noguchi S. Remission of anorexia nervosa after thyroidectomy: A report of two cases with Graves' disease and anorexia nervosa. Thyroid Res 2011; 4:17. [PMID: 22128818 PMCID: PMC3253671 DOI: 10.1186/1756-6614-4-17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2011] [Accepted: 12/01/2011] [Indexed: 11/10/2022] Open
Abstract
We report two patients with anorexia nervosa and Graves' disease who received subtotal thyroidectomy for Graves' disease and concomitantly experienced remission from anorexia nervosa. Both were young women (aged 20 and 26) at the time of surgery. Both had well controlled thyroid function and eating behavior at the time of surgery. Both were followed for over five years without relapse of anorexia nervosa or hyperthyroidism. These cases suggest the existence of an endocrine factor originating from the thyroid gland that is involved in the pathogenesis of anorexia nervosa. Since patients of thyroidectomy can remain in good health with supplement of thyroxine alone, it can be hypothesized that this anorexigenic endocrine factor is an evolutionary relic not necessary for the normal function of humans and does not have physiological effects unless secreted beyond normal levels. Given that, it implies the existence of a creature in the animal kingdom for which such an anorexigenic hormone is essential for survival. Migrating birds eat beyond their caloric expenditure before migration and become anorexic for the duration of their flight. It is also known that their thyroid function is elevated during migration. The normal physiology of migration is a complex mechanism involving the hypothalamic, pituitary, thyroid, adrenal and reproductive hormones. The mechanism of disease, however, can be simpler. A review of the literature is presented that suggest a heretofore unreported thyroid hormone, which is involved in the regulation of migration behavior, may be the responsible factor behind anorexia nervosa.
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Affiliation(s)
- Hitoshi Noguchi
- Noguchi Thyroid Clinic and Hospital Foundation, 6-33 Noguchi-Nakamachi, Beppu, Oita, 874-0932 Japan.
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Abstract
This review will summarize recent findings concerning the biological regulation of starvation as it relates to anorexia nervosa (AN), a serious eating disorder that mainly affects female adolescents and young adults. AN is generally viewed as a psychosomatic disorder mediated by obsessive concerns about weight, perfectionism and an overwhelming desire to be thin. By contrast, the thesis that will be developed here is that, AN is primarily a metabolic disorder caused by defective regulation of the starvation response, which leads to ambivalence towards food, decreased food consumption and characteristic psychopathology. We will trace the starvation response from yeast to man and describe the central role of insulin (and insulin-like growth factor-1 (IGF-1))/Akt/ F-box transcription factor (FOXO) signaling in this response. Akt is a serine/threonine kinase downstream of the insulin and IGF-1 receptors, whereas FOXO refers to the subfamily of Forkhead box O transcription factors, which are regulated by Akt. We will also discuss how initial bouts of caloric restriction may alter the production of neurotransmitters that regulate appetite and food-seeking behavior and thus, set in motion a vicious cycle. Finally, an integrated approach to treatment will be outlined that addresses the biological aspects of AN.
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Klein DA, Schebendach JE, Gershkovich M, Smith GP, Walsh BT. Modified sham feeding of sweet solutions in women with anorexia nervosa. Physiol Behav 2010; 101:132-40. [PMID: 20438741 DOI: 10.1016/j.physbeh.2010.04.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2009] [Revised: 04/26/2010] [Accepted: 04/27/2010] [Indexed: 10/19/2022]
Abstract
Anorexia Nervosa (AN) is a disorder of self-starvation characterized by decreased meal size and food intake. While it is possible that reduced food intake in AN reflects an excess of inhibitory factors, e.g., cognitive inhibition related to fear of weight gain or abnormal postingestive negative feedback, it is also possible that decreased intake reflects diminished orosensory stimulation of food intake. This has been difficult to test directly because the amount of food ingested during a test meal by patients with AN reflects an integration of orosensory excitatory, and cognitive, learned, and postingestive inhibitory controls of eating. To begin to dissociate these controls, we adapted the modified sham feeding technique (MSF) to measure the intake of a series of sweetened solutions in the absence of postingestive stimulation. Subjects with AN (n=24) and normal controls (NC, n=10) were randomly presented with cherry Kool Aid solutions sweetened with five concentrations of aspartame (0, 0.01, 0.03, 0.08 and 0.28%) in a closed opaque container fitted with a straw. They were instructed to sip as much as they wanted of the solution during 15 1-minute trials and to spit the fluid out into another opaque container. Subjects with AN sipped less unsweetened solution than NC (p<0.05). Because this difference appeared to account completely for the smaller intakes of sweetened solutions by AN, responsiveness of intake to sweet taste per se was not different in AN and NC. Since MSF eliminated postingestive and presumably cognitive inhibitory controls, and the orosensory response to sweet taste was not different in AN than NC, we conclude that decreased intake by AN subjects under these conditions reflects the increased inhibition characteristic of this disorder that is presumably learned, with a possible contribution of decreased potency of orosensory stimulation by the sipped solutions.
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Affiliation(s)
- D A Klein
- Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA.
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Soussignan R, Jiang T, Rigaud D, Royet JP, Schaal B. Subliminal fear priming potentiates negative facial reactions to food pictures in women with anorexia nervosa. Psychol Med 2010; 40:503-514. [PMID: 19619383 DOI: 10.1017/s0033291709990377] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND To investigate hedonic reactivity and the influence of unconscious emotional processes on the low sensitivity to positive reinforcement of food in anorexia nervosa (AN). METHOD AN and healthy women were exposed to palatable food pictures just after a subliminal exposure to facial expressions (happy, disgust, fear and neutral faces), either while fasting or after a standardized meal (hunger versus satiety). Both implicit [facial electromyographic (EMG) activity from zygomatic and corrugator muscles, skin conductance, heart rate, and videotaped facial behavior] and explicit (self-reported pleasure and desire) measures of affective processes were recorded. RESULTS In contrast to healthy women, the AN patients did not display objective and subjective indices of pleasure to food pictures when they were in the hunger states. Pleasure to food cues (liking) was more affected than the desire to eat (wanting) in AN patients. Subliminal 'fear faces' increased corrugator muscle reactivity to food stimuli in fasting AN patients, as compared to controls. CONCLUSIONS The results suggest that unconscious fear cues increase the negative appraisal of alimentary stimuli in AN patients and thus contribute to decreased energy intake.
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Affiliation(s)
- R Soussignan
- Centre Européen des Sciences du GoUt, CNRS (UMR 5170), Université de Bourgogne, Dijon, France.
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Latagliata EC, Patrono E, Puglisi-Allegra S, Ventura R. Food seeking in spite of harmful consequences is under prefrontal cortical noradrenergic control. BMC Neurosci 2010; 11:15. [PMID: 20141625 PMCID: PMC2827417 DOI: 10.1186/1471-2202-11-15] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2009] [Accepted: 02/08/2010] [Indexed: 11/17/2022] Open
Abstract
Background Eating disorders are multifactorial psychiatric disorders. Chronic stressful experiences and caloric restriction are the most powerful triggers of eating disorders in human and animals. Although compulsive behavior is considered to characterize pathological excessive food intake, to our knowledge, no evidence has been reported of continued food seeking/intake despite its possible harmful consequences, an index of compulsive behavior. Brain monoamine transmission is considered to have a key role in vulnerability to eating disorders, and norepinephrine in medial prefrontal cortex has been shown to be critical for food-related motivated behavior. Here, using a new paradigm of conditioned suppression, we investigated whether the ability of a foot-shock-paired conditioned stimulus to suppress chocolate-seeking behavior was reversed by previous exposure to a food restriction experience, thus modeling food seeking in spite of harmful consequences in mice. Moreover, we assessed the effects of selective norepinephrine inactivation in medial prefrontal cortex on conditioned suppression test in stressed and caloric restricted mice. Results While Control (non food deprived) animals showed a profound conditioned suppression of chocolate seeking during presentation of conditioned stimulus, previously food restricted animals showed food seeking/intake despite its possible harmful consequences. Moreover, food seeking in spite of harmful consequences was prevented by selective norepinephrine inactivation, thus showing that prefrontal cortical norepinephrine is critical also for maladaptive food-related behavior. Conclusions These findings indicate that adaptive food seeking/intake can be transformed into maladaptive behaviors and point to "top-down" influence on eating disturbances and to new targets for therapy of aberrant eating behaviors.
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Affiliation(s)
- Emanuele Claudio Latagliata
- Santa Lucia Foundation, European Centre for Brain Research (CERC), via del Fosso di Fiorano 64, Rome 00143 Italy
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Weiss SJ, Haber J, Horowitz JA, Stuart GW, Wolfe B. The inextricable nature of mental and physical health: implications for integrative care. J Am Psychiatr Nurses Assoc 2009; 15:371-82. [PMID: 21659251 DOI: 10.1177/1078390309352513] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
There is growing evidence that physical health problems are caused and exacerbated by psychological factors. Research indicates that psychological distress leads to physical disease through impairment of the neuroendocrine system and its interface with the body's immune response. However, the current health care delivery system splinters care into "psychiatric" and "physical" health silos. New approaches are needed to assure adequate professional knowledge of behavioral health at basic licensure, to increase the use of advanced practice psychiatric-mental health nurses in primary care settings, to identify and teach behavioral competencies for primary care providers, and to fund the design and evaluation of integrative models of care.
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A method for the control of eating rate: A potential intervention in eating disorders. Behav Res Methods 2009; 41:755-60. [DOI: 10.3758/brm.41.3.755] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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van Ommen J, Meerwijk EL, Kars M, van Elburg A, van Meijel B. Effective nursing care of adolescents diagnosed with anorexia nervosa: the patients' perspective. J Clin Nurs 2009; 18:2801-8. [PMID: 19538553 DOI: 10.1111/j.1365-2702.2009.02821.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS AND OBJECTIVES The purpose of this study is to develop - from the patients' perspective - a tentative theoretical model explaining the effectiveness of inpatient nursing care of adolescents diagnosed with anorexia nervosa. BACKGROUND The continuous and direct involvement of nurses with patients is likely to play a significant role in the recovery process of patients with anorexia nervosa. However, only limited evidence is available on what patients with anorexia nervosa themselves consider important and effective in terms of nursing care. DESIGN The design of this study was qualitative. METHODS A grounded theory approach was applied where 13 adolescents with anorexia nervosa were interviewed to generate data for the model. RESULTS Participants stated that nurses contributed significantly to their recovery from anorexia nervosa. Three recurring themes emerged from the data: (1) normalisation, (2) structure and (3) responsibility. The focus of nursing care with respect to these themes shifted during the phases of recovery. CONCLUSIONS Based on patients' experiences a theoretical model is developed describing effective nursing care of adolescents diagnosed with anorexia nervosa. Patients identified the key components of this model as essential to their weight recovery. RELEVANCE TO CLINICAL PRACTICE The model may be used to improve the quality of nursing care of adolescents diagnosed with anorexia nervosa through analysis of current practice with respect to the key components of our model. Interventions that are based on these components closely follow the patients' needs.
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Affiliation(s)
- Joyce van Ommen
- Altrecht, Institute for Mental Health Care, Lange Nieuwstraat, Utrecht, The Netherlands.
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Zandian M, Ioakimidis I, Bergh C, Södersten P. Linear eaters turned decelerated: Reduction of a risk for disordered eating? Physiol Behav 2009; 96:518-21. [DOI: 10.1016/j.physbeh.2008.11.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2008] [Revised: 11/14/2008] [Accepted: 11/25/2008] [Indexed: 11/24/2022]
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Decelerated and linear eaters: Effect of eating rate on food intake and satiety. Physiol Behav 2009; 96:270-5. [DOI: 10.1016/j.physbeh.2008.10.011] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2008] [Revised: 10/02/2008] [Accepted: 10/09/2008] [Indexed: 11/24/2022]
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Gentile MG, Manna GM, Ciceri R, Rodeschini E. Efficacy of inpatient treatment in severely malnourished anorexia nervosa patients. Eat Weight Disord 2008; 13:191-7. [PMID: 19169075 DOI: 10.1007/bf03327506] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVE Our aim is to present clinical results achieved with an intensive treatment programme for severe anorexia nervosa (AN) patients at risk of severe disability or death. Aims of the treatment are to remove life threatening conditions, physical and nutritional rehabilitation, and psychological and relational rehabilitation. METHODS We present an observational retrospective study of a cohort of 99 consecutive patients affected by severe AN [according to Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR)] and a body mass index (BMI) <or=13.5 kg/m2 treated by a multidisciplinary comprehensive medical, nutritional, psychological treatment. Intensive treatment (inpatient day and night and day hospital care) of variable length, with resort to enteral nutrition if needed, ends by achieving a BMI of at least 18 kg/m2. Outpatient care phase follows. Main goals were the recovery of BMI and the ability to maintain it. RESULTS Ninety-nine patients affected by severe Protein- Energy-Malnutritrion (PEM) due to AN were eligible in the study. Mean BMI was 12.5+/-0.9 kg/m2, mean age 21.9+/-8.6 yrs. Of 99 patients, 75 (75.5%) completed the planned treatment (completer subgroup). Eighteen patients prematurely interrupted their treatment before achieving complete weight restoration (dropout subgroup); on average they were older and ill for a longer time before admission. Six patients asked to be transferred to other eating disorder units closer to their towns. Seventy-five completer AN patients continued to undergo intensive inpatient treatment till the achievement of BMI 18.3+/-0.8 kg/m2 and then they have been in follow-up outpatient for a mean period of 17.4+/-1.6 months with an average extra increase of their BMI until to 19.1+/-1.6 kg/m2. In 32 patients with a more severe malnutrition we had to resort to nasogastric enteral feeding for 4.4+/-2.5 months, with a mean caloric supply of 1375+/-211 Kcal until the patients were no longer at life risk and they started to co-operate to treatment, increasing oral food amounts. DISCUSSION Our results seem to provide strong support for using a highly structured program for treating patients with severe AN, including inpatient care and multidisciplinary medical and psychological teams specialized in eating disorder treatment.
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Affiliation(s)
- M G Gentile
- Eating Disorders Unit, Niguarda Hospital, Milan, Italy.
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Södersten P, Nergårdh R, Bergh C, Zandian M, Scheurink A. Behavioral neuroendocrinology and treatment of anorexia nervosa. Front Neuroendocrinol 2008; 29:445-62. [PMID: 18602416 DOI: 10.1016/j.yfrne.2008.06.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2008] [Revised: 05/29/2008] [Accepted: 06/06/2008] [Indexed: 12/20/2022]
Abstract
Outcome in anorexia nervosa remains poor and a new way of looking at this condition is therefore needed. To this aim, we review the effects of food restriction and starvation in humans. It is suggested that body weight remains stable and relatively low when the access to food requires a considerable amount of physical activity. In this condition, the human homeostatic phenotype, body fat content is also low and as a consequence, the synthesis and release of brain neurotransmitters are modified. As an example, the role of neuropeptide Y is analyzed in rat models of this state. It is suggested that the normal behavioral role of neuropeptide Y is to facilitate the search for food and switch attention from sexual stimuli to food. Descriptive neuroendocrine studies on patients with anorexia nervosa have not contributed to the management of the patients and the few studies in which hormones have been administered have, at best, reversed an endocrine consequence secondary to starvation. In a modified framework for understanding the etiology and treatment of anorexia nervosa it is suggested that the condition emerges because neural mechanisms of reward and attention are engaged. The neural neuropeptide Y receptor system may be involved in the maintenance of the behavior of eating disorder patients because the localization of these receptors overlaps with the neural systems engaged in cue-conditioned eating in limbic and cortical areas. The eating behavior of patients with anorexia nervosa, and other eating disorders as well, is viewed as a cause of the psychological changes of the patients. Patients are trained to re-learn normal eating habits using external support and as they do, their symptoms, including the psychological symptoms, dissolve.
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Affiliation(s)
- P Södersten
- Karolinska Institutet, Section of Applied Neuroendocrinology, Mandometer Clinic, AB Mando Novum, S-141 57 Huddinge, Sweden.
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