Abstract
ABSTRACT Objective Cross-cultural adaptation and content validation of the Brazilian Portuguese version of the Subjective Global Nutritional Assessment questionnaire (originally in English) for use in hospitalized children and adolescents being treated in a reference institute of oncology. Methods The cross-cultural adaptation process consisted of the following stages: conceptual, item, semantic, and operational equivalence. The conceptual equivalence and item was carried out through discussion with members of an expert committee. Semantic equivalence was evaluated through initial translation, synthesis of translations, back translation, discussions with experts, and pretest with 32 patients. During operational equivalence, the experts discussed about the format of questions and instructions, setting, target populations, and mode of administration to later propose a final version. Content validation was performed by the expert committee. Results Minor modifications were made in the instrument to facilitate its use in the Brazilian socio-cultural context. Pretest results showed that the instrument is easily understood by health care professionals and the target population. Conclusion The cross-cultural adaptation and validation of the Subjective Global Nutritional Assessment allowed obtaining a Brazilian version equivalent to the original. The adapted instrument will be an important tool for the subjective assessment of the nutritional status of pediatric patients hospitalized with cancer.
Highlights
When compared to its prevalence in adults, cancer in children is considered rare, accounting for 2% to 3% of all malignant tumors [1]
The cross-cultural adaptation process consisted of the following stages: conceptual, item, semantic, and operational equivalence
The adapted instrument will be an important tool for the subjective assessment of the nutritional status of pediatric patients hospitalized with cancer
Summary
When compared to its prevalence in adults, cancer in children is considered rare, accounting for 2% to 3% of all malignant tumors [1]. Advances in treatment have increased the overall five-year survival rate to approximately 80%, pediatric cancer is still the second leading cause of death (followed accidents only) in children 5-14 years [3], reflecting a serious global public health problem. Maintaining an adequate nutritional status during antineoplastic treatment is a major challenge because of the treatment side effects and metabolic changes that contribute to weight loss and growth retardation in pediatric patients with cancer [4]. There are many techniques available to assess the nutritional status of pediatric patients. All nutritional assessment methods that rely on weight-related measurements can be misleading in pediatric cancer patients since tumor masses can reach up to 10% of total body weight [7]. Objective and subjective data should be used to complete the nutritional assessment [4]
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