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Systematic Evaluation of Variables Associated with Emesis: A Case Study

  • Danielle T. AlexanderEmail author
  • Melissa L. Gonzalez
ORIGINAL ARTICLE
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Abstract

Recurrent emesis (i.e., vomiting) during mealtime is often a great concern of caregivers of children with pediatric feeding disorders. Identifying the cause and treating the emesis may be difficult due to the multiple factors that may contribute to the occurrence overtime. Emesis may result from various factors, some of which include volume sensitivity, inadequate oral motor skills, and environmental factors related to food novelty and texture. This case study describes a 6-year-old boy with spina bifida who was dependent upon gastrointestinal-tube feedings due to frequent emesis when fed orally. Upon admission to an intensive feeding program, several potential factors maintaining the emesis were identified based upon clinical assessment, observation, and caregiver report. These factors were each evaluated systematically and results indicated that emesis was more likely to occur when foods of novel taste and texture were presented. With exposure, rates of emesis decreased across both type and texture of food. However, emesis decreased more quickly for novel foods at a pureed texture compared to the same food at a higher texture. There were no significant differences in rates of emesis during environmental manipulations related to observer response or associated with volume sensitivity. The methods utilized in this study may be useful to practitioners to systematically evaluate the variables contributing to the occurrence and maintenance of emesis.

Keywords

Pediatric feeding disorders Emesis Volume sensitivity Exposure Selectivity 

Notes

Compliance with Ethical Standards

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

Informed consent was obtained from all individual participants included in the study.

Conflict of Interest

The authors of this manuscript served as the case supervisors for the patient described in this manuscript during the patient’s intensive admission as part of routine clinical practice. Both authors declared no conflicts of interest. Dr. Gonzalez was affiliated with Johns Hopkins University and Kennedy Krieger Institute wherein the patient was treated when the data were collected, but has since relocated to Pediatric Development and Therapy Center at Our Lady of the Lake Children’s Health in Baton Rouge, LA.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Pediatric Feeding Disorders ProgramKennedy Krieger InstituteBaltimoreUSA
  2. 2.Johns Hopkins UniversityBaltimoreUSA
  3. 3.Pediatric Deveolpment and Therapy Center at Our Lady of the Lake Children’s HealthBaton RougeUSA

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