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Ralph-Nearman C, Osborn KD, Chang RS, Barber KE. Momentary physiological indices related to eating disorders: A systematic and methodological review. EUROPEAN EATING DISORDERS REVIEW 2024; 32:700-717. [PMID: 38446505 PMCID: PMC11144111 DOI: 10.1002/erv.3062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/08/2023] [Accepted: 12/29/2023] [Indexed: 03/07/2024]
Abstract
Eating disorders (ED) are serious psychiatric illnesses, with no everyday support to intervene on the high rates of relapse. Understanding physiological indices that can be measured by wearable sensor technologies may provide new momentary interventions for individuals with ED. This systematic review, searching large databases, synthesises studies investigating peripheral physiological (PP) indices commonly included in wearable wristbands (heart rate [HR], heart rate variability [HRV], electrodermal activity [EDA], peripheral skin temperature [PST], and acceleration) in ED. Inclusion criteria included: (a) full peer-reviewed empirical articles in English; (b) human participants with active ED; and (c) containing one of five wearable physiological measures. Kmet risk of bias was assessed. Ninety-four studies were included (Anorexia nervosa [AN; N = 4418], bulimia nervosa [BN; N = 916], binge eating disorder [BED; N = 1604], other specified feeding and eating disorders [OSFED; N = 424], and transdiagnostic [N = 47]). Participants with AN displayed lower HR and EDA and higher HRV compared to healthy individuals. Those with BN showed higher HRV, and lower EDA and PST compared to healthy individuals. Other ED and Transdiagnostic samples showed mixed results. PP differences are indicated through various assessments in ED, which may suggest diagnostic associations, although more studies are needed to validate observed patterns. Results suggest important therapeutic potential for PP in ED, and larger studies including diverse participants and diagnostic groups are needed to fully uncover their role in ED.
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Affiliation(s)
| | - Kimberly D. Osborn
- Department of Psychological and Brain Sciences, University of Louisville, Kentucky
- School of Community Health Sciences, Counseling and Counseling Psychology, Oklahoma State University, Stillwater, Oklahoma
| | - Rose Seoyoung Chang
- Department of Psychological and Brain Sciences, University of Louisville, Kentucky
- Department of Psychology, Seoul National University, Seoul, South Korea
| | - Kathryn E. Barber
- Department of Psychological and Brain Sciences, University of Louisville, Kentucky
- Department of Psychology, Marquette University, Milwaukee, Wisconsin
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2
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Brennan C, Illingworth S, Cini E, Bhakta D. Medical instability in typical and atypical adolescent anorexia nervosa: a systematic review and meta-analysis. J Eat Disord 2023; 11:58. [PMID: 37024943 PMCID: PMC10080852 DOI: 10.1186/s40337-023-00779-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 03/27/2023] [Indexed: 04/08/2023] Open
Abstract
This review investigates the relationship between weight and risk of medical instability (specifically bradycardia, hypotension, hypothermia, and hypophosphatemia) in adolescents with typical and atypical anorexia nervosa. Atypical anorexia nervosa, listed as an example under the DSM-5 category of Other Specified Feeding and Eating Disorders (OSFED), describes patients who are not clinically underweight but otherwise meet criteria for anorexia nervosa. There is a lack of empirical evidence exploring medical complications in adolescents presenting with atypical anorexia nervosa. The small number of studies that do exist in this area indicate that medical instability exists across a range of weights, with weight loss being associated with increased medical risk, independent of underweight. The aim of this review was to collate and analyse results from available studies and identify indicators of medical risk in these two groups of adolescents with restrictive eating disorders. Studies were identified by systematic electronic search of medical databases, including PubMed and EMBASE. All studies investigated the relationship between weight and medical instability and included adolescents diagnosed with anorexia nervosa or atypical anorexia nervosa. One randomised controlled trial, five cohort studies and three chart reviews were included, with a total sample size of 2331 participants. Between 29 and 42% of participants presented with medical instability requiring hospitalisation, in the absence of underweight. Underweight adolescents were significantly more likely to have lower blood pressures (p < 0.0001) and bradycardia was significantly associated with greater weight loss (p < 0.05). There were no statistically significant associations found between degree of underweight and heart rate, temperature, or rate of weight loss (p = 0.31, p = 0.46 and p = 0.16, respectively). Adolescents that were less than 70% median body mass index were significantly more likely to have hypophosphatemia (p < 0.05). The findings of this review support the hypothesis that medical instability can occur across a range of weights in adolescent eating disorders, with rapid weight loss being an important indicator of increasing medical risk. Results were limited by the small number of existing studies that contained data for statistical analysis. Rapid weight loss should be considered as an important indicator of medical instability in adolescents presenting with both typical and atypical anorexia nervosa.
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Affiliation(s)
- Cliona Brennan
- South London and Maudsley NHS Trust, Maudsley Hospital, De Crespigny Park, London, SE5 8AZ, UK.
- London Metropolitan University, 166-220 Holloway Road, London, N7 8DB, UK.
| | - Sarah Illingworth
- London Metropolitan University, 166-220 Holloway Road, London, N7 8DB, UK
| | - Erica Cini
- East London NHS Foundation Trust, Emmanuel Miller Centre, 11 Gill Street, London, E14 8HQ, UK
- Institute of Psychiatry, Psychology & Neuroscience, Kings College London, De Crespigny Park, London, SE5 8AB, UK
- University College London, London, UK
| | - Dee Bhakta
- London Metropolitan University, 166-220 Holloway Road, London, N7 8DB, UK
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3
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Friars D, Walsh O, McNicholas F. Assessment and management of cardiovascular complications in eating disorders. J Eat Disord 2023; 11:13. [PMID: 36717950 PMCID: PMC9886215 DOI: 10.1186/s40337-022-00724-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 12/18/2022] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Eating disorders (EDs) are serious conditions predominantly affecting adolescents and young adults (AYAs) and pose a considerable threat to their health and wellbeing. Much of this increased morbidity and mortality is linked to medical compromise, especially cardiovascular abnormalities. Rates of presentation to both community and inpatient medical settings have increased in all age groups following the Covid-19 pandemic and subsequent "lockdowns", with patients presentations being more medically compromised compared to previous years. This has implications for clinicians with regard to the performance of competent cardiovascular assessments and management of findings. AIMS This paper is a practical resource for clinicians working with AYAs in whom EDs may present. It will provide a brief summary of the physiological context in which cardiovascular complications develop, systematically outline these complications and suggest a pragmatic approach to their clinical evaluation. METHODS Relevant literature, guidelines and academic texts were critically reviewed. Conclusions were extracted and verified by a Child and Adolescent Psychiatrist and Adolescent Paediatrician, with suitable expertise in this clinical cohort. CONCLUSIONS The cardiovascular complications in EDs are primarily linked to malnutrition, and patients presenting with Anorexia Nervosa are most often at greatest risk of structural and functional cardiac abnormalities, including aberrations of heart rate and rhythm, haemodynamic changes and peripheral vascular abnormalities. Other cardiovascular abnormalities are secondary to electrolyte imbalances, as seen in patients with Bulimia Nervosa. More recently defined EDs including Avoidant/Restrictive Food Intake Disorder and Binge Eating Disorder are also likely associated with distinct cardiovascular complications though further research is required to clarify their nature and severity. Most cardiovascular abnormalities are fully reversible with nutritional restoration, and normalisation of eating behaviours, including the cessation of purging, though rare cases are linked to cardiac deaths. A detailed clinical enquiry accompanied by a thorough physical examination is imperative to ensure the medical safety of AYAs with EDs, and should be supported by an electrocardiogram and laboratory investigations. Consideration of cardiovascular issues, along with effective collaboration with acute medical teams allows community clinicians identify those at highest risk and minimise adverse outcomes in this cohort.
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Affiliation(s)
- Dara Friars
- Department of Psychiatry, School of Medicine, University College Dublin, Dublin, Ireland. .,, Mount Pleasant, Australia.
| | - Orla Walsh
- Department of Paediatrics, Children's Health Ireland (CHI), Temple Street University Hospital, Dublin, Ireland
| | - Fiona McNicholas
- Department of Psychiatry, School of Medicine, University College Dublin, Dublin, Ireland.,Lucena Child and Adolescent Mental Health Service (CAMHS), Dublin, Ireland.,Department of Psychiatry, Children's Health Ireland (CHI), Crumlin, Ireland
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4
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Choi SY, Lee KJ, Kim SC, Lee EH, Lee YM, Kim YB, Yi DY, Kim JY, Kang B, Jang HJ, Hong SJ, Choi YJ, Kim HJ. Cardiac Complications Associated with Eating Disorders in Children: A Multicenter Retrospective Study. Pediatr Gastroenterol Hepatol Nutr 2022; 25:432-440. [PMID: 36148287 PMCID: PMC9482826 DOI: 10.5223/pghn.2022.25.5.432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/30/2022] [Accepted: 07/20/2022] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Eating disorders often result in somatic complications, including cardiac abnormalities. Cardiac abnormalities may involve any part of the heart, including the cardiac conduction system, and can lead to sudden cardiac death. The current study aimed to evaluate the incidence of cardiac complications in pediatric patients with eating disorders and their associated factors. METHODS We retrospectively analyzed patients aged 10-18 years who were diagnosed with DSM-V (Diagnostic and Statistical Manual of Mental Disorder-V) eating disorders and underwent electrocardiography (ECG) and/or echocardiography between January 2015 and May 2020. RESULTS In total, 127 patients were included, of whom 113 (89.0%) were female. The median body mass index (BMI) was 15.05±3.69 kg/m2. Overall, 74 patients (58.3%) had ECG abnormalities, with sinus bradycardia being the most common abnormality (91.9%). Patients with ECG abnormalities had significantly lower BMI (14.35±2.78 kg/m2 vs. 16.06± 4.55 kg/m2, p<0.001) than patients without ECG abnormalities, as well as lower phosphorus and higher cholesterol levels. Among the 46 patients who underwent echocardiographic evaluation, 23 (50.0%) had echocardiographic abnormalities, with pericardial effusion being the most common (60.9%). The median left ventricular mass (LVM) and ejection fraction were 67.97±21.25 g and 66.91±28.76%, respectively. LVM and BMI showed a positive correlation (r=0.604, p<0.001). After weight gain, the amount of pericardial effusion was reduced in 3 patients, and 30 patients presented with normal ECG findings. CONCLUSION Cardiac abnormalities are relatively frequent in patients with eating disorders. Physicians should focus on this somatic complication and careful monitoring is required.
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Affiliation(s)
- So Yoon Choi
- Department of Pediatrics, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea
| | - Kyung Jae Lee
- Department of Pediatrics, College of Medicine, Hallym University, Chuncheon, Korea
| | - Soon Chul Kim
- Department of Pediatrics, Jeonbuk National University Medical School and Hospital, Jeonju, Korea
| | - Eun Hye Lee
- Department of Pediatrics, Nowon Eulji Medical Center, Eulji University, Seoul, Korea
| | - Yoo Min Lee
- Department of Pediatrics, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Yu-Bin Kim
- Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea
| | - Dae Yong Yi
- Department of Pediatrics, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
| | - Ju Young Kim
- Department of Pediatrics, Daejeon Eulji Medical Center, Eulji University, Daejeon, Korea
| | - Ben Kang
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Hyo-Jeong Jang
- Department of Pediatrics, Keimyung University Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea
| | - Suk Jin Hong
- Department of Pediatrics, Daegu Catholic University School of Medicine, Daegu, Korea
| | - You Jin Choi
- Department of Pediatrics, Inje University Ilsan Paik Hospital, Goyang, Korea
| | - Hyun Jin Kim
- Department of Pediatrics, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon, Korea
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5
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Katzman DK, Guimond T, Spettigue W, Agostino H, Couturier J, Norris ML. Classification of Children and Adolescents With Avoidant/Restrictive Food Intake Disorder. Pediatrics 2022; 150:188739. [PMID: 35945342 DOI: 10.1542/peds.2022-057494] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/21/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Evidence suggests that children and adolescents with avoidant/restrictive food intake disorder (ARFID) have heterogeneous clinical presentations. To use latent class analysis (LCA) and determine the frequency of various classes in pediatric patients with ARFID drawn from a 2-year surveillance study. METHODS Cases were ascertained using the Canadian Pediatric Surveillance Program methodology from January 1, 2016, to December 31, 2017. An exploratory LCA was undertaken with latent class models ranging from 1 to 5 classes. RESULTS Based on fit statistics and class interpretability, a 3-class model had the best fit: Acute Medical (AM), Lack of Appetite (LOA), and Sensory (S). The probability of being classified as AM, LOA, and S was 52%, 40.7%, and 6.9%, respectively. The AM class was distinct for increased likelihood of weight loss (92%), a shorter length of illness (<12 months) (66%), medical hospitalization (56%), and heart rate <60 beats per minute (31%). The LOA class was distinct for failure to gain weight (97%) and faltering growth (68%). The S class was distinct for avoiding certain foods (100%) and refusing to eat because of sensory characteristics of the food (100%). Using posterior probability assignments, a mixed group AM/LOA (n = 30; 14.5%) had characteristics of both AM and LOA classes. CONCLUSIONS This LCA suggests that ARFID is a heterogeneous diagnosis with 3 distinct classes corresponding to the 3 subtypes described in the literature: AM, LOA, and S. The AM/LOA group had a mixed clinical presentation. Clinicians need to be aware of these different ARFID presentations because clinical and treatment needs will vary.
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Affiliation(s)
- Debra K Katzman
- Division of Adolescent Medicine, Department of Pediatrics, The Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada
| | - Tim Guimond
- Rainbow Services, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Wendy Spettigue
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.,Department of Psychiatry, University of Ottawa, Ottawa, Ontario, Canada
| | - Holly Agostino
- Division of Adolescent Medicine, Department of Pediatrics, Montreal Children's Hospital and McGill University, Montreal, Quebec, Canada
| | - Jennifer Couturier
- Department of Psychiatry and Behavioural Neurosciences, McMaster Children's Hospital and McMaster University, Hamilton, Ontario, Canada
| | - Mark L Norris
- Division of Adolescent Medicine, Department of Pediatrics, Children's Hospital of Eastern Ontario and University of Ottawa, Ottawa, Ontario, Canada
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6
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Assalone C, Leonardi L, Franceschi R, Fumanelli J, Maines E, Marini M, Quintarelli S, Genovese A, Soffiati M. Determinants of severe bradycardia in adolescents hospitalized for anorexia nervosa. Pediatr Int 2022; 64:e14967. [PMID: 34418241 DOI: 10.1111/ped.14967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/03/2021] [Accepted: 08/18/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Severe bradycardia is an indication supporting hospitalization in adolescents with eating disorders. Some adolescents with anorexia nervosa (AN) and significant weight loss present with a normal pulse rate at admission, whereas others have severe bradycardia, suggesting that total weight loss is not the most important determinant of bradycardia. The aims of this study were to define the prevalence of severe bradycardia as the cause for hospital admission in adolescents with AN, to evaluate correlations between known determinants of severe bradycardia and pulse rate at admission, and to evaluate the average time required to recover from severe bradycardia after re-feeding. METHODS Ninety-nine hospitalized patients with AN were enrolled. Weight loss history, anthropometric, laboratory, and electrocardiogram data were collected at admission to and at discharge from hospital. Multivariate analysis was performed to detect the most important determinants of severe bradycardia. RESULTS Forty-eight percent of the AN patient admissions were due to severe bradycardia (AN-B+ group). Patients in this group had a higher maximum lifetime weight (P = 0.0045), greater premorbid weight loss (P = 0.0011), and more rapid weight loss (P = 0.0001). Multivariate analysis showed that recent weight loss is an independent predictor of bradycardia at hospital admission (R2 : 0.35, P = 0.0001). Severe bradycardia normalized after minimal weight gain of 0.25 ± 0.18 kg/day for 3-10 days. CONCLUSIONS This study confirms that recent weight loss is probably the most important determinant of severe bradycardia in adolescents with AN.
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Affiliation(s)
- Chiara Assalone
- Division of Paediatrics, S. Chiara General Hospital, Trento, Italy.,Provincial Centre for Eating Disorders, Trento, Italy
| | - Letizia Leonardi
- Division of Paediatrics, S. Chiara General Hospital, Trento, Italy
| | | | | | - Evelina Maines
- Division of Paediatrics, S. Chiara General Hospital, Trento, Italy
| | | | | | - Aldo Genovese
- Provincial Centre for Eating Disorders, Trento, Italy
| | - Massimo Soffiati
- Division of Paediatrics, S. Chiara General Hospital, Trento, Italy
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7
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Pedram P, Patten SB, Bulloch AGM, Williams JVA, Dimitropoulos G. Self-Reported Lifetime History of Eating Disorders and Mortality in the General Population: A Canadian Population Survey with Record Linkage. Nutrients 2021; 13:3333. [PMID: 34684334 PMCID: PMC8538567 DOI: 10.3390/nu13103333] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/16/2021] [Accepted: 09/19/2021] [Indexed: 02/04/2023] Open
Abstract
Eating disorders (EDs) are often reported to have the highest mortality of any mental health disorder. However, this assertion is based on clinical samples, which may provide an inaccurate view of the actual risks in the population. Hence, in the current retrospective cohort study, mortality of self-reported lifetime history of EDs in the general population was explored. The data source was the Canadian Community Health Survey: Mental Health and Well-Being (CCHS 1.2), linked to a national mortality database. The survey sample was representative of the Canadian household population (mean age = 43.95 years, 50.9% female). The survey inquired about the history of professionally diagnosed chronic conditions, including EDs. Subsequently, the survey dataset was linked to the national mortality dataset (for the date of death) up to 2017. Cox proportional hazards models were used to explore the effect of EDs on mortality. The unadjusted-hazard ratio (HR) for the lifetime history of an ED was 1.35 (95% CI 0.70-2.58). However, the age/sex-adjusted HR increased to 4.5 (95% CI 2.33-8.84), which was over two times higher than age/sex-adjusted HRs for other mental disorders (schizophrenia/psychosis, mood-disorders, and post-traumatic stress disorder). In conclusion, all-cause mortality of self-reported lifetime history of EDs in the household population was markedly elevated and considerably higher than that of other self-reported disorders. This finding replicates prior findings in a population-representative sample and provides a definitive quantification of increased risk of mortality in EDs, which was previously lacking. Furthermore, it highlights the seriousness of EDs and an urgent need for strategies that may help to improve long-term outcomes.
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Affiliation(s)
- Pardis Pedram
- Department of Psychiatry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada;
- Mathison Centre for Mental Health Research & Education, Foothills Medical Centre, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada; (S.B.P.); (A.G.M.B.)
- Hotchkiss Brain Institute, University of Calgary Foothills, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
| | - Scott B. Patten
- Mathison Centre for Mental Health Research & Education, Foothills Medical Centre, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada; (S.B.P.); (A.G.M.B.)
- Hotchkiss Brain Institute, University of Calgary Foothills, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Community Health Sciences, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada;
- O’Brien Institute for Public Health, University of Calgary Foothills, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada
- Cuthbertson & Fischer Chair in Pediatric Mental Health, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
| | - Andrew G. M. Bulloch
- Mathison Centre for Mental Health Research & Education, Foothills Medical Centre, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada; (S.B.P.); (A.G.M.B.)
- Hotchkiss Brain Institute, University of Calgary Foothills, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Community Health Sciences, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada;
- O’Brien Institute for Public Health, University of Calgary Foothills, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada
| | - Jeanne V. A. Williams
- Department of Community Health Sciences, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada;
| | - Gina Dimitropoulos
- Department of Psychiatry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada;
- Mathison Centre for Mental Health Research & Education, Foothills Medical Centre, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada; (S.B.P.); (A.G.M.B.)
- Hotchkiss Brain Institute, University of Calgary Foothills, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
- O’Brien Institute for Public Health, University of Calgary Foothills, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada
- Faculty of Social Work, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
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8
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Smythe J, Colebourn C, Prisco L, Petrinic T, Leeson P. Cardiac abnormalities identified with echocardiography in anorexia nervosa: systematic review and meta-analysis. Br J Psychiatry 2021; 219:477-486. [PMID: 32026793 DOI: 10.1192/bjp.2020.1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Anorexia nervosa affects most organ systems, with 80% suffering from cardiovascular complications. AIMS To define echocardiographic abnormalities in anorexia nervosa through systematic review and meta-analysis. METHOD Two reviewers independently assessed eligibility of publications from Medline, EMBASE and Cochrane Database of Systematic Reviews registries. Studies were included if anorexia nervosa was the primary eating disorder and the main clinical association in described cardiac abnormalities. Data was extracted in duplicate and quality-assessed with a modified Newcastle-Ottawa scale. For continuous outcomes we calculated mean and standardised mean difference (SMD), and corresponding 95% confidence interval. For dichotomous outcomes we calculated proportion and corresponding 95% confidence interval. For qualitative data we summarised the studies. RESULTS We identified 23 eligible studies totalling 960 patients, with a mean age of 17 years and mean body mass index of 15.2 kg/m2. Fourteen studies (469 participants) reported data suitable for meta-analysis. Cardiac abnormalities seen in anorexia nervosa compared with healthy controls were reduced left ventricular mass (SMD 1.82, 95% CI 1.32-2.31, P < 0.001), reduced cardiac output (SMD 1.92, 95% CI 1.38-2.45, P < 0.001), increased E/A ratio (SMD -1.10, 95% CI -1.67 to -0.54, P < 0.001), and increased incidence of pericardial effusions (25% of patients, P < 0.01, 95% CI 17-34%, I2 = 80%). Trends toward improvement were seen with weight restoration. CONCLUSIONS Patients with anorexia nervosa have structural and functional cardiac changes, identifiable with echocardiography. Further work should determine whether echocardiography can help stratify severity and guide safe patient location, management and effectiveness of nutritional rehabilitation.
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Affiliation(s)
- Jodie Smythe
- Consultant Intensivist and Anaesthetist, Intensive Care Unit, Royal Berkshire NHS Foundation Trust, UK
| | - Claire Colebourn
- Consultant Medical Intensivist, Adult Intensive Care Unit, Oxford University Hospitals NHS Foundation Trust, UK
| | - Lara Prisco
- Consultant Intensivist and Anaesthetist and Senior Clinical Research Fellow, Neuroanaesthesia and Neurointensive Care, Oxford University Hospitals NHS Foundation Trust; and Nuffield Department of Clinical Neurosciences, University of Oxford, UK
| | - Tatjana Petrinic
- Outreach Librarian, Bodleian Healthcare Libraries, University of Oxford, Oxford University Hospitals NHS Foundation Trust, UK
| | - Paul Leeson
- Professor of Cardiovascular Medicine, Cardiovascular Clinical Research Facility, Oxford University Hospitals NHS Foundation Trust, UK
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9
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Brynes N, Tarchichi T, McCormick AA, Downey A. Restrictive Eating Disorders: Accelerating Treatment Outcomes in the Medical Hospital. Hosp Pediatr 2021; 11:751-759. [PMID: 34103401 DOI: 10.1542/hpeds.2020-005389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Pediatric patients with anorexia nervosa and atypical anorexia nervosa may present to hospitals with significant vital sign instability or serum laboratory abnormalities necessitating inpatient medical hospitalization. These patients require specialized care, numerous resources, and interdisciplinary collaboration during what can be a protracted admission. Recent evidence informs areas in which care can be accelerated, and published protocols from major children's hospitals are helpful roadmaps to creating a streamlined hospitalization. In our narrative review, we focused on 3 key areas: (1) implementation of a rapid nutritional rehabilitation program; (2) assessment and management of the refeeding syndrome; and (3) early integration of psychoeducation and therapeutic interventions during inpatient hospitalization. A practical review of the literature in these 3 areas will give concrete, actionable information to pediatric hospitalists as they care for young people with restrictive eating disorders.
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Affiliation(s)
- Nicole Brynes
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Tony Tarchichi
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Andrew A McCormick
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Amanda Downey
- Departments of Pediatrics and Psychiatry and Behavioral Sciences, University of California, San Francisco, California
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10
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De Souza AMA, Linares A, Speth RC, Campos GV, Ji H, Chianca D, Sandberg K, De Menezes RCA. Severe food restriction activates the central renin angiotensin system. Physiol Rep 2020; 8:e14338. [PMID: 31925945 PMCID: PMC6954120 DOI: 10.14814/phy2.14338] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
We previously showed that 2 weeks of a severe food restricted (sFR) diet (40% of the caloric intake of the control (CT) diet) up‐regulated the circulating renin angiotensin (Ang) system (RAS) in female Fischer rats, most likely as a result of the fall in plasma volume. In this study, we investigated the role of the central RAS in the mean arterial pressure (MAP) and heart rate (HR) dysregulation associated with sFR. Although sFR reduced basal mean MAP and HR, the magnitude of the pressor response to intracerebroventricular (icv) microinjection of Ang‐[1‐8] was not affected; however, HR was 57 ± 13 bpm lower 26 min after Ang‐[1‐8] microinjection in the sFR rats and a similar response was observed after losartan was microinjected. The major catabolic pathway of Ang‐[1‐8] in the hypothalamus was via Ang‐[1‐7]; however, no differences were detected in the rate of Ang‐[1‐8] synthesis or degradation between CT and sFR animals. While sFR had no effect on the AT1R binding in the subfornical organ (SFO), the organum vasculosum laminae terminalis (OVLT) and median preoptic nucleus (MnPO) of the paraventricular anteroventral third ventricle, ligand binding increased 1.4‐fold in the paraventricular nucleus (PVN) of the hypothalamus. These findings suggest that sFR stimulates the central RAS by increasing AT1R expression in the PVN as a compensatory response to the reduction in basal MAP and HR. These findings have implications for people experiencing a period of sFR since an activated central RAS could increase their risk of disorders involving over activation of the RAS including renal and cardiovascular diseases.
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Affiliation(s)
| | - Andrea Linares
- Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Robert C Speth
- Division of Nephrology & Hypertension, Department of Medicine, Georgetown University, Washington, DC, USA.,Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Glenda V Campos
- Division of Nephrology & Hypertension, Department of Medicine, Georgetown University, Washington, DC, USA
| | - Hong Ji
- Division of Nephrology & Hypertension, Department of Medicine, Georgetown University, Washington, DC, USA
| | - Deoclécio Chianca
- Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade, Federal de Ouro Preto, Ouro Preto, Brazil
| | - Kathryn Sandberg
- Division of Nephrology & Hypertension, Department of Medicine, Georgetown University, Washington, DC, USA
| | - Rodrigo C A De Menezes
- Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade, Federal de Ouro Preto, Ouro Preto, Brazil
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11
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Role of Neuroendocrine, Immune, and Autonomic Nervous System in Anorexia Nervosa-Linked Cardiovascular Diseases. Int J Mol Sci 2020; 21:ijms21197302. [PMID: 33023273 PMCID: PMC7582625 DOI: 10.3390/ijms21197302] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 09/29/2020] [Accepted: 09/30/2020] [Indexed: 12/19/2022] Open
Abstract
Anorexia nervosa represents a severe mental disorder associated with food avoidance and malnutrition. In patients suffering from anorexia nervosa, cardiovascular complications are the main reason leading to morbidity and mortality. However, the origin and pathological mechanisms leading to higher cardiovascular risk in anorexia nervosa are still unclear. In this aspect, the issue of exact pathological mechanisms as well as sensitive biomarkers for detection of anorexia nervosa-linked cardiovascular risk are discussed. Therefore, this review synthesised recent evidence of dysfunction in multiple neuroendocrine axes and alterations in the immune system that may represent anorexia nervosa-linked pathological mechanisms contributing to complex cardiovascular dysregulation. Further, this review is focused on identification of non-invasive biomarkers for the assessment of increased cardiovascular risk in anorexia nervosa that can be linked to a clinical application. Complex non-invasive assessment of cardiovascular autonomic regulation—cardiac vagal control (heart rate variability), sympathetic vascular activity (blood pressure variability), and cardiovascular reflex control (baroreflex sensitivity)—could represent a promising tool for early diagnosis, personalized therapy, and monitoring of therapeutic interventions in anorexia nervosa particularly at a vulnerable adolescent age.
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12
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Abstract
Anorexia nervosa, one of the more frequent and severe eating disorders, is a chronic psychiatric disease with potentially serious somatic consequences. This behavioral symptomatology leads to weight loss, undernutrition, and more or less severe-potentially life-threatening-somatic complications including respiratory, hepatic, digestive and cardiac features, electrolyte disturbances, endocrine and bone impairment, immunodepression, and related opportunistic infections. In this review, the authors report an overview of cardiac diseases in this disease.
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Affiliation(s)
- Abdallah Fayssoil
- Nutrition Unit, Raymond Poincaré Hospital, APHP, boulevard Raymond Poincaré, 92380, Garches, France. .,Service de neurologie, Institut de Myologie, boulevard de l'hôpital, 75013, Paris, France. .,Pitié Salpetrière Hospital, APHP, boulevard de l'hôpital, 75013, Paris, France.
| | - Jean Claude Melchior
- Nutrition Unit, Raymond Poincaré Hospital, APHP, boulevard Raymond Poincaré, 92380, Garches, France
| | - Mouna Hanachi
- Nutrition Unit, Raymond Poincaré Hospital, APHP, boulevard Raymond Poincaré, 92380, Garches, France
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13
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Frederiksen TC, Krogh Christiansen M, Charmoth Østergaard P, Hove Thomsen P, Graff C, Clausen L, Kjærulf Jensen H. QTc Interval and Risk of Cardiac Events in Adults With Anorexia Nervosa: A Long-Term Follow-Up Study. Circ Arrhythm Electrophysiol 2019; 11:e005995. [PMID: 30030265 DOI: 10.1161/circep.117.005995] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 05/17/2018] [Indexed: 01/08/2023]
Abstract
BACKGROUND The literature contains several cases of anorexia nervosa (AN) patients with prolonged QTc interval. However, the risk of prolonged QTc interval is controversial and the risk of cardiac events in AN patients has yet to be investigated. METHODS We estimated the difference in mean QTc interval and relative risk of borderline prolonged QTc (>440 ms) and prolonged QTc (>460 ms) between 430 adult women AN patients and 123 healthy controls using 3 correction formulas. In a follow-up study, we estimated the risk of a primary end point (a composite of ventricular tachycardia, aborted cardiac arrest, and cardiac arrest) in AN patients compared with a population-based cohort derived from the Danish Civil Register. RESULTS Mean QTc for AN patients was 408 ms (Hodges), 402 ms (Fridericia), and 399 ms (Bazett). Hodges' found a slightly increased mean QTc (6.8 ms, 95% confidence interval, 1.6-12.0; P=0.01) and percentage with QTc >440 ms in AN patients (relative risk, 3.7, 95% confidence interval, 1.4-10.3; P=0.01), not observed with Fridericia's and Bazett's formulas. There was no difference in the risk of QTc >460 ms between AN patients and healthy controls. During a median follow-up of 10.1 years, AN patients had an increased risk of the primary end point compared with the population-based cohort (hazard ratio, 10.4, 95% confidence interval, 2.6-41.6; P=0.001). However, absolute numbers were small with cumulative incidences of 0.5% and 0.07%, respectively, after 10 years. No events occurred in any AN patient with QTc >440 ms. All-cause mortality was also significantly increased in AN patients compared with the population-based cohort (hazard ratio, 11.2, 95% confidence interval, 5.1-24.5; P<0.001). CONCLUSIONS Overall, there was no difference in mean QTc interval or risk of prolonged QTc between AN patients and healthy controls. However, AN patients had a notably increased all-cause mortality, as well as an increased risk of cardiac events, which was not related to the baseline QTc interval.
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Affiliation(s)
| | - Morten Krogh Christiansen
- Department of Cardiology (T.C.F., M.K.C., H.K.J.).,and Centre for Child and Adolescent Psychiatry (P.C.O., P.H.T., L.C.)
| | - Pernille Charmoth Østergaard
- and Centre for Child and Adolescent Psychiatry (P.C.O., P.H.T., L.C.).,Department of Public Health Medicine and Rehabilitation, Western Hospital Unit, Herning, Denmark (P.C.O.)
| | - Per Hove Thomsen
- and Centre for Child and Adolescent Psychiatry (P.C.O., P.H.T., L.C.)
| | - Claus Graff
- Aarhus University, Denmark. Department of Health Science and Technology, Aalborg University, Denmark (C.G.)
| | - Loa Clausen
- and Centre for Child and Adolescent Psychiatry (P.C.O., P.H.T., L.C.).,Department of Public Health (L.C.).,Department of Psychology and Behavioral Sciences (L.C.)
| | - Henrik Kjærulf Jensen
- Department of Cardiology (T.C.F., M.K.C., H.K.J.).,and Department of Clinical Medicine (H.K.J.)
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14
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Ibrahim A, Cutinha D, Ayton A. What is the evidence for using bed rest as part of hospital treatment of severe anorexia nervosa? EVIDENCE-BASED MENTAL HEALTH 2019; 22:77-82. [PMID: 31003978 PMCID: PMC10270425 DOI: 10.1136/ebmental-2018-300064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 02/18/2019] [Accepted: 02/25/2019] [Indexed: 11/04/2022]
Abstract
Bed rest is commonly used on medical and paediatric wards as part of nursing management of the physically compromised patient with severe anorexia nervosa. The aim of this study was to review the evidence base of bed rest as an intervention in the management of severe anorexia nervosa. We searched MEDLINE, PubMed, Embase, PsychInfo, CINAHL, HMIC, AMED, HBE, BNI and guidelines written in English until April 2018 using the following terms: bed rest and anorexia nervosa. After exclusion of duplicates, three guidelines and eight articles were included. The papers were methodologically heterogeneous, and therefore, quantitative summary was not possible. There have been no randomised controlled trials to compare the benefits and harms of bed rest as the focus of intervention in the treatment of anorexia nervosa. Several papers showed that patients have a strong preference for less restrictive approaches. These are also less intensive in nursing time. Negative physical consequences were described in a number of studies: these included lower heart rate, impaired bone turn over and increased risk of infection. We found no evidence to support bed rest in hospital treatment of anorexia nervosa. The risks associated with bed rest are significant and include both physical and psychological harm, and these can be avoided by early mobilisation. Given the established complications of bed rest in other critically ill patient populations, it is difficult to recommend the enforcement of bed rest for patients with anorexia nervosa. Future research should focus on safe early mobilisation, which would reduce complications and improve patient satisfaction.
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Affiliation(s)
- Ali Ibrahim
- Maudsley Centre for Child and Adolescent Eating Disorders, South London and Maudsley NHS Foundation Trust, London, London, UK
| | - Darren Cutinha
- Maudsley Centre for Child and Adolescent Eating Disorders, South London and Maudsley NHS Foundation Trust, London, London, UK
| | - Agnes Ayton
- Cotswold House, Oxford Health NHS Foundation Trust Adult Mental Health Services, Oxford, Oxfordshire, UK
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15
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Yoshida Y, Maeda J, Fukushima H, Tokita N, Yamagishi H, Tokumura M. Chronotropic incompetence to exercise in anorexia nervosa patients during the body-weight recovery phase as an index of insufficient treatment. Heart Vessels 2018; 34:711-715. [PMID: 30341630 DOI: 10.1007/s00380-018-1282-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Accepted: 10/12/2018] [Indexed: 11/26/2022]
Abstract
Resting bradycardia is an important symptom for early diagnosis of anorexia nervosa (AN) during weight loss, and it improves with body-weight recovery. However, chronotropic incompetence (CI) in exercise is observed in some patients with AN despite amelioration of resting bradycardia in the recovery phase. We examined the relationship between CI in exercise and other parameters in patients with AN during the recovery phase. Ninety-two girls with AN (aged 13-20 years, median 15 years) performed cardiopulmonary exercise tolerance tests with a bicycle ergometer in the post-treatment recovery phase. Subjects with a peak-heart rate (HR) of < 160 beats/min (bpm) on subjective maximum loading were assigned to the CI+ group (n = 7), and those with a peak-HR of ≥ 160 bpm were assigned to the CI- group (n = 85). The peak-oxygen uptake (VO2) of both groups was below the normal range. Although there was no difference in peak-VO2 between these groups, both the resting-HR and ΔHR (peak-HR - resting-HR) were significantly lower in the CI+ group than in the CI- group (82 ± 8 vs. 93 ± 16 bpm, respectively; 72 ± 14 vs. 89 ± 13 bpm, respectively), suggesting lower exercise tolerance in patients with CI during the recovery phase of AN. Interestingly, the ΔVO2/ΔHR value was higher in the CI+ group than in the CI- group (0.31 ± 0.13 vs. 0.26 ± 0.06, respectively), suggesting excessive stroke volume for maintaining the cardiac output in patients with CI during their recovery phase. These data suggest that CI could be an index of insufficient recovery of AN and utilized for ideal exercise treatments of patients with AN during the recovery phase.
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Affiliation(s)
- Yu Yoshida
- Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi Shinjuku-ku, Tokyo, 160-8582, Japan
- Institute for Integrated Sports Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Jun Maeda
- Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hiroyuki Fukushima
- Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Natsuko Tokita
- Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hiroyuki Yamagishi
- Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi Shinjuku-ku, Tokyo, 160-8582, Japan.
- Institute for Integrated Sports Medicine, Keio University School of Medicine, Tokyo, Japan.
| | - Mitsuaki Tokumura
- Institute for Integrated Sports Medicine, Keio University School of Medicine, Tokyo, Japan
- Health Center, Keio University, Tokyo, Japan
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16
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de Souza AMA, West CA, de Abreu ARR, Pai AV, Mesquita LBT, Ji H, Chianca D, de Menezes RCA, Sandberg K. Role of the Renin Angiotensin System in Blood Pressure Allostasis-induced by Severe Food Restriction in Female Fischer rats. Sci Rep 2018; 8:10327. [PMID: 29985423 PMCID: PMC6037681 DOI: 10.1038/s41598-018-28593-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 06/26/2018] [Indexed: 01/02/2023] Open
Abstract
Severe food restriction (FR) is associated with blood pressure (BP) and cardiovascular dysfunction. The renin-angiotensin system (RAS) regulates BP and its dysregulation contributes to impaired cardiovascular function. Female Fischer rats were maintained on a control (CT) or severe FR (40% of CT) diet for 14 days. In response to severe FR, BP allostasis was achieved by up-regulating circulating Ang-[1–8] by 1.3-fold through increased angiotensin converting enzyme (ACE) activity and by increasing the expression of AT1Rs 1.7-fold in mesenteric vessels. Activation of the RAS countered the depressor effect of the severe plasma volume reduction (≥30%). The RAS, however, still underperformed as evidenced by reduced pressor responses to Ang-[1–8] even though AT1Rs were still responsive to the depressor effects of an AT1R antagonist. The aldosterone (ALDO) response was also inadequate as no changes in plasma ALDO were observed after the large fall in plasma volume. These findings have implications for individuals who have experienced a period(s) of severe FR (e.g., anorexia nervosa, dieters, natural disasters) and suggests increased activity of the RAS in order to achieve allostasis contributes to the cardiovascular dysfunction associated with inadequate food intake.
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Affiliation(s)
- Aline Maria Arlindo de Souza
- Department of Medicine, Georgetown University, Washington, DC, 20057, USA. .,Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35460-000, Brazil.
| | - Crystal A West
- Department of Medicine, Georgetown University, Washington, DC, 20057, USA
| | | | - Amrita V Pai
- Department of Biochemistry, Molecular and Cellular Biology, Georgetown University, Washington, DC, 20057, USA
| | - Laura Batista Tavares Mesquita
- Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35460-000, Brazil
| | - Hong Ji
- Department of Medicine, Georgetown University, Washington, DC, 20057, USA
| | - Deoclécio Chianca
- Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35460-000, Brazil
| | - Rodrigo Cunha Alvim de Menezes
- Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35460-000, Brazil
| | - Kathryn Sandberg
- Department of Medicine, Georgetown University, Washington, DC, 20057, USA
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17
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O'Connor G, Nicholls D, Hudson L, Singhal A. Refeeding Low Weight Hospitalized Adolescents With Anorexia Nervosa: A Multicenter Randomized Controlled Trial. Nutr Clin Pract 2016; 31:681-9. [PMID: 26869609 DOI: 10.1177/0884533615627267] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Refeeding patients with anorexia nervosa (AN) is associated with high morbidity and mortality. A lack of evidence from interventional studies has hindered refeeding practice and led to worldwide disparities in management recommendations. In the first randomized controlled trial in this area, we tested the hypothesis that refeeding adolescents with AN with a higher energy intake than what many guidelines recommend improved anthropometric outcomes without adversely affecting cardiac and biochemical markers associated with refeeding. MATERIALS AND METHODS Participants aged 10-16 years with a body mass index (BMI) <78% of the median (mBMI) for age and sex were recruited from 6 UK hospitals and randomly allocated to start refeeding at 1200 kcal/d (n = 18, intervention) or 500 kcal/d (n = 18, control). RESULTS Compared with controls, adolescents randomized to high energy intake had greater weight gain (mean difference between groups after 10 days of refeeding, -1.2% mBMI; 95% confidence interval, -2.4% to 0.0%; P = .05), but randomized groups did not differ statistically in QTc interval and other outcomes. The nadir in postrefeeding phosphate concentration was significantly related to percentage mBMI at the start of refeeding (baseline; P = .04) and baseline white blood cell count (P = .005) but not to baseline energy intake (P = .08). CONCLUSIONS Refeeding adolescents with AN with a higher energy intake was associated with greater weight gain but without an increase in complications associated with refeeding when compared with a more cautious refeeding protocol-thus challenging current refeeding recommendations.
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Affiliation(s)
- Graeme O'Connor
- Great Ormond Street Children's Hospital Foundation Trust, London, UK Childhood Nutrition Research Centre, UCL Institute of Child Health, London, UK
| | - Dasha Nicholls
- Great Ormond Street Children's Hospital Foundation Trust, London, UK Childhood Nutrition Research Centre, UCL Institute of Child Health, London, UK
| | - Lee Hudson
- Great Ormond Street Children's Hospital Foundation Trust, London, UK
| | - Atul Singhal
- Childhood Nutrition Research Centre, UCL Institute of Child Health, London, UK
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18
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Baruteau AE, Perry JC, Sanatani S, Horie M, Dubin AM. Evaluation and management of bradycardia in neonates and children. Eur J Pediatr 2016; 175:151-61. [PMID: 26780751 DOI: 10.1007/s00431-015-2689-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 12/02/2015] [Accepted: 12/30/2015] [Indexed: 10/22/2022]
Abstract
UNLABELLED Heart rate is commonly used in pediatric early warning scores. Age-related changes in the anatomy and physiology of infants and children produce normal ranges for electrocardiogram features that differ from adults and vary with age. Bradycardia is defined as a heart rate below the lowest normal value for age. Pediatric bradycardia most commonly manifests as sinus bradycardia, junctional bradycardia, or atrioventricular block. As a result of several different etiologies, it may occur in an entirely structurally normal heart or in association with concomitant congenital heart disease. Genetic variants in multiple genes have been described to date in the pathogenesis of inherited sinus node dysfunction or progressive cardiac conduction disorders. Management and eventual prognosis of bradycardia in the young are entirely dependent upon the underlying cause. Reasons to intervene for bradycardia are the association of related symptoms and/or the downstream risk of heart failure or pause-dependent tachyarrhythmia. The simplest aspect of severe bradycardia management is reflected in the Pediatric and Advanced Life Support (PALS) guidelines. CONCLUSION Early diagnosis and appropriate management are critical in many cases in order to prevent sudden death, and this review critically assesses our current practice for evaluation and management of bradycardia in neonates and children. WHAT IS KNOWN Bradycardia is defined as a heart rate below the lowest normal value for age. Age related changes in the anatomy and physiology of infants and children produce normal ranges for electrocardiogram features that differ from adults and vary with age. Pediatric bradycardia most commonly manifests as sinus bradycardia, junctional bradycardia, or atrioventricular block. WHAT IS NEW Management and eventual prognosis of bradycardia in the young are entirely dependent upon the underlying cause. Bradycardia may occur in a structurally normal heart or in association with congenital heart disease. Genetic variants in multiple genes have been described. Reasons to intervene for bradycardia are the association of related symptoms and/or the downstream risk of heart failure or pause-dependent tachyarrhythmia. Early diagnosis and appropriate management are critical in order to prevent sudden death.
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Affiliation(s)
- Alban-Elouen Baruteau
- Morgan Stanley Children's Hospital, Division of Pediatric Cardiology, New York Presbyterian Hospital, Columbia University Medical Center, New York, NY, USA. .,LIRYC Institute (Electrophysiology and Heart Modeling Institute), Division of Pediatric Cardiology, Hôpital Cardiologique du Haut Lévèque, Bordeaux-2 University, Bordeaux, France. .,L'Institut du Thorax, INSERM UMR1087, CNRS UMR6291, Nantes University, Nantes, France. .,Division of Pediatric Cardiology, Morgan Stanley Children's Hospital, New York Presbyterian / Columbia University Medical Center, 3959 Broadway, New York, NY, 10032, USA.
| | - James C Perry
- Rady Children's Hospital, Department of Pediatrics, Division of Cardiology, University of California, San Diego, San Diego, CA, USA.
| | - Shubhayan Sanatani
- British Columbia Children's Hospital, Department of Pediatric Cardiology, University of British Columbia, Vancouver, BC, Canada.
| | - Minoru Horie
- Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Sciences, Otsu, Japan.
| | - Anne M Dubin
- Lucile Packard Children's Hospital, Division of Pediatric Electrophysiology, Stanford University, Palo Alto, CA, USA.
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Escudero CA, Potts JE, Lam PY, De Souza AM, Mugford GJ, Sandor GGS. An Echocardiographic Study of Left Ventricular Size and Cardiac Function in Adolescent Females with Anorexia Nervosa. EUROPEAN EATING DISORDERS REVIEW 2015; 24:26-33. [DOI: 10.1002/erv.2409] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 08/28/2015] [Accepted: 08/31/2015] [Indexed: 11/07/2022]
Affiliation(s)
| | - James E. Potts
- Children's Heart Centre; British Columbia Children's Hospital; Canada
| | - Pei-Yoong Lam
- Division of Adolescent Medicine and Provincial Specialized Eating Disorders Program; British Columbia Children's Hospital; Canada
| | | | - Gerald J. Mugford
- Faculty of Medicine and Discipline of Psychiatry; Memorial University of Newfoundland; Canada
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20
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Nakai Y, Fujita M, Nin K, Noma S, Teramukai S. Relationship between duration of illness and cardiac autonomic nervous activity in anorexia nervosa. Biopsychosoc Med 2015; 9:12. [PMID: 25908939 PMCID: PMC4407323 DOI: 10.1186/s13030-015-0032-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 01/16/2015] [Indexed: 12/04/2022] Open
Abstract
Background The mortality rate associated with anorexia nervosa (AN) is high, and death is mainly attributable to cardiac events. A wide range of autonomic nervous system disturbances may be mechanisms underlying the increased cardiovascular mortality and sudden death of patients with AN. Heart rate variability (HRV) has been proven to be a reliable noninvasive method for quantitative assessment of sympathetic and parasympathetic regulation of heart rate (HR). The longer the duration of illness of AN patients, the higher the mortality rate. However, there have been few reports on the relationship between the duration of illness and HRV in AN. Hence, the aims of this study were to compare the cardiac autonomic nervous activity (CANA) of female patients with AN and age-matched female controls and to evaluate the relationship between the duration of illness and the CANA of the AN patients. Methods We studied 14 female patients with AN and 22 age-matched healthy women. Beat-to-beat heart rate variability, recorded in a supine position, was investigated using power spectral analysis. Result Mean heart rate was positively correlated with normalized high-frequency (HF: 0.15 to 0.40 Hz) power and negatively correlated with the low-frequency (LF: 0.04 to 0.15 Hz)/HF power (LF/HF) ratio of the controls. On the other hand, duration of illness was negatively correlated with normalized HF power and positively correlated with the LF/HF ratio of the AN patients. Conclusions These results suggest that, given that the LF/HF ratio is an estimate of cardiac sympathovagal balance, anorectic patients with a long illness duration display lower vagal tone (parasympathetic withdrawal) and high sympathetic tone.
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Affiliation(s)
- Yoshikatsu Nakai
- Kyoto Institute of Health Sciences, Miyako Bldg. 502, Karasuma Oike Agaru Higashigawa, Nakagyo-ku, Kyoto 604-0845 Japan
| | - Masatoshi Fujita
- Human Health Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kazuko Nin
- Human Health Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shun'ichi Noma
- Department of Psychiatry, School of Medicine, Kyoto University, Kyoto, Japan
| | - Satoshi Teramukai
- Department of Biostatistics, Kyoto Prefectural University of Medicine Graduate School of Medical Science, Kyoto, Japan
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21
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Toulany A, Wong M, Katzman DK, Akseer N, Steinegger C, Hancock-Howard RL, Coyte PC. Cost analysis of inpatient treatment of anorexia nervosa in adolescents: hospital and caregiver perspectives. CMAJ Open 2015; 3:E192-7. [PMID: 26389097 PMCID: PMC4565171 DOI: 10.9778/cmajo.20140086] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Admission to hospital is the treatment of choice for anorexia nervosa in adolescent patients who are medically unstable; however, stays are often prolonged and frequently disrupt normal adolescent development, family functioning, school and work productivity. We sought to determine the costs of inpatient treatment in this population from a hospital and caregiver perspective, and to identify determinants of such costs. METHODS We used micro-costing methods for this cohort study involving all adolescent patients (age 12-18 yr) admitted for treatment of anorexia nervosa at a tertiary care child and adolescent eating disorder program in Toronto, between Sept. 1, 2011, and Mar. 31, 2013. We used hospital administrative data and Canadian census data to calculate hospital and caregiver costs. RESULTS We included 73 adolescents in our cohort for cost-analysis. We determined a mean total hospital cost in 2013 Canadian dollars of $51 349 (standard deviation [SD] $26 598) and a mean total societal cost of $54 932 (SD $27 864) per admission, based on a mean length of stay of 37.9 days (SD 19.7 d). We found patient body mass index (BMI) to be the only significant negative predictor of hospital cost (p < 0.001). For every unit increase in BMI, we saw a 15.7% decrease in hospital cost. In addition, we found higher BMI (p < 0.001) and younger age (p < 0.05) to be significant negative predictors of caregiver costs. INTERPRETATION The economic burden of inpatient treatment for adolescents with anorexia nervosa on hospitals and caregivers is substantial, especially among younger patients and those with lower BMI. Recognizing the symptoms of eating disorders early may preclude the need for admission to hospital altogether or result in admissions at higher BMIs, thereby potentially reducing these costs.
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Affiliation(s)
- Alene Toulany
- Division of Adolescent Medicine, Department of Paediatrics, The Hospital for Sick Children, Toronto, Ont
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ont
- University of Toronto, Toronto, Ont
| | - Matthew Wong
- Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ont
| | - Debra K. Katzman
- Division of Adolescent Medicine, Department of Paediatrics, The Hospital for Sick Children, Toronto, Ont
- University of Toronto, Toronto, Ont
- Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, Toronto, Ont
| | - Nadia Akseer
- Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, Toronto, Ont
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ont
| | - Cathleen Steinegger
- Division of Adolescent Medicine, Department of Paediatrics, The Hospital for Sick Children, Toronto, Ont
- University of Toronto, Toronto, Ont
| | | | - Peter C. Coyte
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ont
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Abstract
The Diagnostic and Statistical Manual of Mental Disorders now recognizes six primary feeding and eating disorders including pica, rumination disorder, avoidant/restrictive food intake disorder, anorexia nervosa, bulimia nervosa and binge-eating disorder. Guided by research from the past 3 years, the current review outlines diagnostic criteria for each disorder, their clinical correlates and treatment options. Recent modifications to diagnostic criteria will likely help to improve treatment outcomes and prognosis. Nevertheless, several concerns remain regarding the validity of current diagnostic criteria for youth, including the clinical relevance of the size and frequency of binge eating episodes. Additionally, the lack of randomized controlled trials has led to an overreliance on data from quasi-experimental studies, case series and single case studies that impede development of strong clinical recommendations for treating feeding and eating disorders. Recommendations for future research include identifying empirically supported treatments and prevention programs focused on early markers of pediatric feeding and eating concerns.
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Abstract
The rate of adolescents presenting with anorexia nervosa (AN) is increasing. Medically unstable adolescents are admitted to the hospital for nutrition restoration. A lack of global consensus on appropriate refeeding practices of malnourished patients has resulted in inconsistent refeeding practices. Refeeding hypophosphatemia (RH) is the most common complication associated with refeeding the malnourished patient. This review sought to identify the range of refeeding rates adopted globally and the implication that total energy intake and malnutrition may have on RH while refeeding adolescents with anorexia nervosa. Studies were identified by a systematic electronic search of medical databases from 1980 to September 2012. Seventeen publications were identified, including 6 chart reviews, 1 observational study, and 10 case reports, with a total of 1039 subjects. The average refeeding energy intake was 1186 kcal/d, ranging from 125-1900 kcal/d, with a mean percentage median body mass index (% mBMI) of 78%. The average incidence rate of RH was 14%. A significant correlation between malnutrition (% mBMI) and post-refeeding phosphate was identified (R (2) = 0.6, P = .01). This review highlights the disparity in refeeding rates adopted internationally in treating malnourished adolescents with anorexia nervosa. Based on this review, the severity of malnutrition seems to be a marker for the development of RH more so than total energy intake.
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Affiliation(s)
- Graeme O'Connor
- Department of Nutrition and Dietetics, Great Ormond Street Children’s Hospital Foundation Trust, London, UK.
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Spalla I, Ilaria S, Brambilla PG, Giuseppina BP, Scarpa P, Paola S, Romussi S, Stefano R, Riscazzi G, Giulia R, Locatelli C, Chiara L. ECG of the month. Sinus bradycardia with marked respiratory sinus arrhythmia. J Am Vet Med Assoc 2013; 242:1222-4. [PMID: 23600777 DOI: 10.2460/javma.242.9.1222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Ilaria Spalla
- Department of Veterinary Science and Public Health (DIVET), University of Milan, 20133 Milan, Italy.
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Krantz MJ, Sabel AL, Sagar U, Long CS, Barbey JT, White KV, Gaudiani JL, Mehler PS. Factors influencing QT prolongation in patients hospitalized with severe anorexia nervosa. Gen Hosp Psychiatry 2012; 34:173-7. [PMID: 21917317 DOI: 10.1016/j.genhosppsych.2011.08.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2011] [Revised: 07/27/2011] [Accepted: 08/01/2011] [Indexed: 11/24/2022]
Abstract
BACKGROUND Anorexia nervosa (AN) carries the highest mortality of any psychiatric disorder largely attributable to sudden cardiac death and suicide. Controversy exists regarding the underlying mechanism of cardiac risk, whether QT prolongation is a consistent feature of the disorder and whether repolarization varies by disease severity. Some of the uncertainty may relate to a lack of standardized electrocardiography (ECG). To date, studies have not utilized centrally adjudicated digital ECG, and most have relied on the Bazett formula for rate-correction, which is suboptimal at the extremes of heart rate often observed in AN. METHODS We evaluated a hospitalized cohort of medically compromised, very-low-body mass index (BMI) AN patients. The QT interval was measured with high-precision calipers by a single, blinded electrophysiologist and rate corrected (QTc) using the Fridericia formula. Anatomically corrected left ventricular (LV) mass and resting energy expenditure (REE) were calculated as proxies for disease severity. Proportions exceeding categorical thresholds for QTc prolongation and correlations between admission QTc and disease severity were performed. RESULTS Among 19 patients, mean BMI was 12.3 kg/m(2), and 95% were female. The majority (68%) of patients were receiving QT-prolonging drugs. Four patients (21%) had QTc prolongation. Two of these patients (10.5%) exceeded the 500 ms threshold for marked QTc-prolongation, though each had concomitant factors contributing to delayed repolarization. The QTc interval was not significantly correlated with LV mass, LV mass index, BMI or REE. CONCLUSIONS Although delayed cardiac repolarization was observed among a medically compromised cohort of patients with anorexia nervosa, the QTc interval was not a reliable correlate of disease severity despite digital ECG adjudication and optimal rate correction.
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Affiliation(s)
- Mori J Krantz
- Division of Cardiology, Denver Health Medical Center and University of Colorado, Mail Code 0960, Denver, CO 80204-4507, USA.
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Carlomagno G, Mercurio V, Ruvolo A, Senatore I, Halinskaya I, Fazio V, Affuso F, Fazio S. Endocrine alterations are the main determinants of cardiac remodelling in restrictive anorexia nervosa. ISRN ENDOCRINOLOGY 2011; 2011:171460. [PMID: 22363867 PMCID: PMC3262625 DOI: 10.5402/2011/171460] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Accepted: 05/11/2011] [Indexed: 01/22/2023]
Abstract
Objective. Anorexia nervosa is a condition of reduced hemodynamic load, characterized by varying degrees of cardiac remodelling, only in part related to reduced body mass; the mechanism for such variability, as well as its clinical significance, remains unknown. Aim of the study was to assess the possible influence of a great number of clinical, biochemical, and endocrine factors on cardiovascular parameters in restrictive anorexia nervosa. Method. Twenty-five female patients hospitalized for restrictive anorexia nervosa underwent extensive cardiovascular, clinical, and biochemical evaluation. Results. Height-adjusted and cardiac workload-matched left ventricular mass was significantly related to several endocrine parameters, blood pressure, and vasoreactivity. On multivariate analysis, IGF/GH ratio and systolic blood pressure were the only independent predictors of height-adjusted ventricular mass (adj-R(2) = 0.585; P = 0.001); when matching for cardiac workload, left ventricular mass was independently predicted only by GH and FT3 levels. All effects were independent of patient's weight and BMI. Conclusions. Indices of endocrine impairment seem to be the most relevant determinants of left ventricular hypotrophy in anorectic patients, apparently independent of reduced hemodynamic load and BMI. In particular, IGF/GH ratio and FT3 seem to particularly affect left ventricular mass in this population.
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Affiliation(s)
- Guido Carlomagno
- Department of Internal Medicine, Cardiovascular and Immunological Sciences, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
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