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Revista de la Facultad de Medicina Humana

versão impressa ISSN 1814-5469versão On-line ISSN 2308-0531

Rev. Fac. Med. Hum. vol.21 no.3 Lima jul./set. 2021

http://dx.doi.org/10.25176/rfmh.v21i3.3796 

Original article

Eating disorders in under 5 years old and their relationship with family functionality.

García-Galicia Arturo1  , Medical Specialist in Pediatrics, Master in Medical Sciences and Research

Montiel-Jarquín Álvaro José1  , Master in Medical Sciences and Research, Specialist in General Surgery

Rivera-Zúñiga Blanca Paola1  , General Medical

Torres-Santiago Diego2  , Medical Specialist in Child and Adult Medicine for Rural Health Services

Aréchiga-Santamaría Alejandra3  , Specialist Psychologist in Child Neuropsychology

González-López Akihiki Mizuki4  , Family Medicine Specialist

López-Bernal Carlos Alberto1  , Specialist Physician in Coloproctological Surgery

1Unidad Médica de Alta Especialidad Hospital de Especialidades, Centro Médico Nacional “Gral. de Div. Manuel Ávila Camacho”, Instituto Mexicano del Seguro Social, Puebla-México.

2Instituto Mexicano del Seguro Social, Hospital General de Zona no. 20, Servicio de Pediatría, Delegación Puebla-México.

3Centro de Atención Integral GARE, Servicio de Psicología Infantil, Puebla-México.

4Instituto Mexicano del Seguro Social, Unidad de Medicina Familiar nº 6, Delegación Puebla, Puebla-México.

ABSTRACT

Introduction:

Eating disorders in children under 5 years of age can cause alterations in development and growth. They can be associated with disorders of family functionality.

Objective:

To describe non-organic eating disorders in children under 5 years of age and their association with family functionality in a second-level hospital in Puebla, Mexico.

Methods:

Descriptive and cross-sectional study, in which children under 5 years of age with non-organic eating disorders were included. Parents who previously signed informed consent were given the IMFED tool to study eating disorders and FACES III to describe family functionality. Descriptive statistics and Spearman's coefficient were used.

Results:

105 patients were evaluated, of which 57 were men and 48 women. The mean age was 30,42 months minimum 2, maximum 60, ± 16,68 months. The predominant age group was 12-23 months. 45,71% of parents reported chaotic family adaptability, and 39,04% related cohesion. The most common eating disorder was sensory food aversions. More than 60% had two or more eating disorders. The correlation between family and eating disorders adaptability was 0,248 (p = 0,011), and cohesion between familiar and eating disorder was -0,87 (p =0,38).

Conclusion:

The most frequent eating disorders were sensory aversion to food and infantile anorexia. They are slightly correlated with family adaptability. They are more frequent in families with chaotic adaptability. Children under 5 years of age with two or more eating disorders are the most frequent.

Keywords: Non-organic eating disorders; Family problems; Family functionality; Sensation disorders. (Source: MeSH - NLM)

INTRODUCTION

Eating disorders in infancy and preschool age represent a challenge with a high demand for attention in the pediatric office. These children are characterized by eating slowly, insufficient quantities, and being very selective with the foods.1,2. The Mental Illness Manual 5th Edition (DSM 5) defines them as persistent failure to eat properly, leading to significant failure to gain weight or lose weight in at least one month. Due to the characteristics of the age group, they fall into the category of “avoidance/restriction of food intake disorder”. These are not attributable to a concurrent medical condition or to another mental disorder; these disorders can cause alterations in the nutritional status and development of patients3; thus, those disorders whose onset is associated with other pathological entities of organic origin would be excluded.

Chatoor et al. in 2002 proposed a categorization of these disorders in children under and equal to 5 years of age, classifying them as 1. Regulatory state disorders, 2. Reciprocity or bonding disorders, 3. Infantile anorexia, 4. Sensory aversion to food, 5. Associated with specific medical conditions, and 6. Post-traumatic. These categories are not exclusive and are still in force1. Obviously, the DSM 5 definition does not include Chatoor's category 5, but it does include the others.

Regulatory disorders are defined as the difficulty of maintaining a calm, alert state when feeding. They can be very sleepy or very agitated, or very stressed, which causes problems feeding properly. Reciprocal or bonding disorders identify problems in the relationship between the child and their caregiver, resulting in poor nutrition. Infantile anorexia is characterized by the child's lack of interest in food but great attention to exploring and interacting with the environment. It expresses problems in the external regulation of eating, generally mediated by emotional experiences and not by the sensation of hunger. In sensory aversion disorders, the infant rejects certain foods because of their appearance, taste, texture, or smell, only ingesting foods of their preference or already known. In disorders associated with a concurrent medical condition, it is believed that it causes stress in the child who refuses to continue eating when he has started. Post-eating traumatic disorders occurred when children had negative experiences such as choking or choking on certain foods, causing an aversion to eating1,2. These disorders affom 20% to 80% of children with family problems associated with their development1,2.

FACES III is a scale for evaluating family cohesion and adaptability and integrates family therapy concepts based on three main variables that define the construct of cohesion, flexibility, and communication. The last two variables are grouped in adaptability. It is made up of 20 items, 10 of which assess cohesion and another 10 assess adaptability using a five-point Likert-type scale (4 Ponce-Rosas). Its validity has been widely documented in Spanish in various Spanish-speaking countries, including Mexico4-6.

The IMFeD tool has been used effectively in 11 countries to identify eating disorders in children and subsequently offer nutritional management. Pediatricians have reported it as a very easy-to-use tool7-9.

METHODS

Design and study

Descriptive, cross-sectional study that was carried out in the pediatric service of a second level of care of Instituto Mexicano del Seguro Social (IMSS) in Puebla, México.

Population and sample

Children under 5 years of age with non-organic eating disorders were recruited, whose parents agreed to answer the scales, also signing the informed consent.

Procedures

The IMFeD tool and the FACES III scale were applied to the parents of these children. Children whose parents did not complete the response to the questionnaires were removed from the study.

Non-organic eating disorders were considered any persistent failure to eat properly leading to significant failure to gain weight or weight loss in at least one month, unrelated to gastrointestinal problems or lack of food2.

Statistical analysis

The data analysis was carried out with descriptive statistics. The correlation between family functionality and eating disorders was performed with the Spearman coefficient; A figure of p = 0,05 or less was considered significant.

Ethical aspects

The IMSS Local Committee approved this study for Research and Ethics in Health Research 2102. At all times, the confidentiality of the data of each patient and their guardians was secure.

RESULTS

105 patients under 5 years of age were recruited carriers of non-organic eating disorders. The mean age was 30.42 months (minimum 2, maximum 60 months, ± 16,68 months). The distribution by age group is described inTable 1. Regarding the distribution by gender, 57 patients (54,3%) were boys, and 48 (45,7%) were girls.

Table 1.  Age distribution. 

Age Frequency Percentage
Less than a year 14 13,3
From 12 to 23 months 26 24,8
From 24 to 35 months 20 19,0
From 36 to 47 months 22 21,0
From 48 to 59 months 23 21,9
Total 105 100,0

Of the eating disorders found, the most prevalent corresponded to sensory aversions to food (61 patients, 58%), followed by infantile anorexia (56 children, 53,3%), regulation disorders (39, 37,1%), and finally post-traumatic disorders (19 patients, 18%).

Although the highest percentage corresponds to children who had only one eating disorder, the most frequent was that children reported two or more eating disorders (56 patients, 53,3%) (Figure 1).

Figure 1.  The number of disorders per patient. 

Regarding the evaluation of family functionality by the FACES III scale, it was found that in the domain of family adaptability, of the total of children surveyed, 50 patients with chaotic families (47,6%) were identified, 27 children (25,7%) with flexible families, 16 (15,3%) with structured and 12 (11,4%) with rigid adaptability families.

According to family cohesion, 41 children (39%) belonged to related families, 25 patients (23,8%) to semi-related families, 21 (20%) to agglutinated families, and 18 children (17%) corresponded to unrelated families. The association of eating disorders with family adaptability and family cohesion is illustrated inTable 2.

Table 2.  Association between eating disorders in children under 5 years of age and the types of family adaptability and family cohesion. 

  Eating disorders
Anorexia child Sensory aversion Disorder regulation Posttraumatic Total
Adaptability Rigid 10 22 6 3 21
Structured 10 10 3 0 23
Flexible 10 19 12 1 42
Chaotic 26 30 18 15 89
Total 56 61 39 19 175
Cohesion Unrelated 11 8 9 4 32
Semi-related 13 15 7 7 42
Related 19 23 15 4 61
Agglutinated 13 15 8 4 40
Total 56 61 39 19 175

By integrating both domains of adaptability and cohesion, a comprehensive evaluation of family functionality is obtained, as illustrated inTable 3.

Table 3.  Familiar functionality. 

  Adaptability
Rigid Structured Flexible Chaotic Total
Cohesion Unrelated 9 4 5 14 32
Semi-related 3 5 7 27 42
Related 3 6 22 30 61
Bonded 6 8 8 18 40
Total 21 23 42 89 175

The correlation of family adaptability and eating disorders recorded a Spearman correlation figure of 0.248 (p = 0,011). The correlation between family cohesion and eating disorders was 0.87 (p = 0,38).

The vast majority of the patients in this sample reported belonging to moderately dysfunctional families, both in total values and their distribution by the disorders found (Figure 2). The correlation between family functionality and eating disorders was 0,079 (p = 0,30).

Figure 2.  Family functionality in eating disorders in children under 5 years of age. 

DISCUSSION

When talking about eating disorders in childhood, it usually refers to those presented in school age and adolescence. However, eating disorders in children under 5 years of age persist as a poorly explored but with a high frequency in demand for pediatric care10. The reported incidence ranges from 20 to 80% and does not present a predominance of gender2,9,10. In the present study, the frequency was very similar between males and females; there was no significant predominance of any age group.

After the work by Chatoor et al., Kerzner et al. elaborates another proposal to address these disorders, aimed explicitly at identification in initial care. Based on the parental perception of the diet, they define the child's 3 categories (children with a poor appetite, selective intake, and fear of eating). Each category considers the possibility of parental misperceptions. Thus, it also requires evaluating 4 styles of feeding established by the caregiver: responsible, controlling, indulgent and negligent9,11. These styles were not evaluated in this study. The classification proposed by Chatoor et al. was used, which is more focused on the experience of children1,9,11.

Four of the six eating disorders identified by Chatoor were found. When using the DSM 5 criteria, disorders called “associated with specific medical conditions” were not considered1,2. No patient reported criteria coinciding with caregiver-child reciprocity disorders. This may be due to bias in the parents' report due to fear of third-party evaluation of their quality as guardians.

Sensory Aversion Disorder was the most reported in this population (55%); these patients are often referred to as “choosy eaters”12. These infants may have other sensory problems1,9. This disorder can be an early indicator of the so-called “sensory disintegration,” which would make it necessary to rule out some neurobehavioral pathologies13. The application of the “finger foods” technique allows the child to explore and manipulate food, favoring the acceptance of a greater variety and early self-feeding. The progression of textures in infants and preschoolers should be gradual according to the oral motor development of each child. Inadequate texture during the introduction of complementary feeding can lead to the rejection of new foods. It is advisable to test chewing3,9,13,14.

The second most common Chatoor nomenclature disorder in this series was infantile anorexia. This disorder occurs in children of 6 months to 3 years of age. In it, children confuse hunger with emotional situations. It is common for them to apprehend the activity of eating associated with boredom, a feeling of loneliness, frustration, or anger. The aforementioned affects the regulation of hunger and food intake in general, causing in some cases weight stagnation and even cognitive development alterations1,9,10. In the sample of this study, more than half of the patients reported this entity.

To reprogram the food intake, limiting the consumption of liquid calories avoids suppressing the appetite and favors a more varied solid diet. Some authors suggest controlling the consumption of juices or any liquid and offering the drinks at the end of the meal. It is also recommended to avoid intermediate meals ("snacks"), "a la carte menus" and to establish limits and regular hours9,14,15

Disorders associated with regulatory states also reported a high frequency in this population. This generally infers problems in upbringing, such as in the introduction of eating habits such as schedules, sensory stimuli not related to eating, etc. For these disorders, management focused on education and behavior modification with a psychosocial, environmental, and family counseling approach is helpful. The most effective behavioral therapies are mild aversion or negative reinforcement with greater attention from parents towards children. It is important to promote the relationship between the caregiver, who is usually the mother, and the child1,2,9,11.

The diagnostic criteria for post-traumatic eating disorders are the rejection of food after a traumatic event related to the esophagus or oropharynx, events with intense stress, stress against eating, resistance to being fed1. Only one-tenth of this series reported this entity.

Some reports have shown that children learn to accept certain foods by direct observation of close people8,9,11; This reinforces the idea that parenting plays a predominant role in the presence of these disorders.

Food education in the family is an important factor in the formation of food practices. It is recommended that the child participates in the family table, where they should have the opportunity to interact with their parents and siblings. In this way, the family can lead healthy eating habits9,11,14-16.

Vázquez-Garibay et al. show that family dysfunction was a risk factor associated with the height-for-age deficit as an expression of chronic malnutrition15.

It is essential to identify the functionality of family dynamics because children are dependent on other people;9-11however, there are no studies that associate eating disorders with alterations in family functionality.

But it is also for the same reason that children from chaotic families have a higher risk of presenting these disorders. Families with chaotic adaptability were the most frequent in this series, almost half of the cases (Table 2). The association of family adaptability with eating disorders was mild to regular in this series. In this work, related and semi-related families were the most frequent; both categories together reported more than 60% of the cases (Table 2). This factor would act as a protector if it intervened to favor the timely detection of eating disorders15-18.

An almost perfect but not significant correlation between family cohesion and eating disorders was found; a larger sample could clarify this point. However, when integrating the evaluation of family functionality with the 2 domains of FACES III, the correlation with eating disorders was very weak and not significant. In this work, FACES III was only applied to the father who accompanied the patient to the consultation. The application to 2 or more family members has been suggested to optimize the evaluation of the functionality of the family system5, and this could improve the correlation with the child's eating disorders.

The children surveyed were recruited from outpatient care of a 2nd level care hospital. As already mentioned, when adapting the Chatoor definition with the DSM 5 criteria, disorders associated with pathological entities were not considered in this series1,2. In these children, the approach will also depend on the underlying pathology9,11. This background is very important since such frequent gastroesophageal reflux, anemia, and others can present eating disorders. This may be one of the mechanisms by which it is associated with reduced growth, as has been shown9,11,14,17.

It is striking that the most common in this series is that children have two or more eating disorders, up to 53%. This frequency is very similar to that of children with only one disorder (Figure 1) and this can be explained by the multiple causal factors of eating disorders. Therefore, the primary care physicians and second tier are in position to detect early problems and initiate therapeutic approaches18-20.

In light of the present findings, a couple of facts can be inferred. Firstly, many disorders present in children under 5 years of age were omitted as they were associated with specific diseases; therefore, the frequency in the first-level unit of attention could be much higher. Second, it is not usual for an interdisciplinary group to exist to manage these disorders in children under 5 years of age, which is frequently necessary 1,9-11. Initially, the lack of culture to detect and treat them could be a factor for the development of more than one disorder in the same patient, so it is essential to assess strategies for timely detection and interdisciplinary management of children under 5 years of age with some disorder of the feeding11,20. In a study with a larger population, data on reciprocity disorders could be obtained.

Although Chatoor et al. reported this classification in 2002, in Mexico this field is little studied; This opens a window of opportunities for its adequate diagnosis, study, and treatment for the Mexican population.

CONCLUSION

According to the results of the present study, it is concluded that the most frequent non-organic eating disorders in children under 5 years of age are sensory aversion and infantile anorexia. The cases are slightly correlated with family adaptability. They occur more frequently in children who belong to families with chaotic adaptability. The correlation with family cohesion and integrated family functionality was not verified. It is very common to identify two or more eating disorders in children under 5 years of age

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Funding: No external funding was used for this research.

Received: April 06, 2021; Accepted: May 06, 2021

Correspondence: Álvaro Jose Montiel Jarouin. Address: Calle 2 norte # 2004. Colonia Centro. CP 72000. Puebla, Puebla-México. Telephone: (+521)2222384907 E-mail:dralmoja@hotmail.com

Author’s contributions: PPP and ABC have participated in the conception of the article, data collection, writing, and approval of the final version. In addition, PPP performs the data analysis, and ABC obtained the funding.

Conflict of interest: The authors have no conflict of interest to report regarding this research.

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