Translation and Cross-Cultural Adaptation of the LYMPH-ICF Instrument for Lymphedema into Portuguese/Brazil

Traducción y adaptación transcultural al portugués/Brasil del instrumento LYMPH-ICF para linfedema

ABSTRACT

Objective:

The aim of this study is to cross-culturally adapt the Lymphoedema Functioning, Disability and Health Questionnaire Lymphoedema (LYMPH-ICF) instrument into Brazilian Portuguese and conduct a pilot application (n = 10), without psychometric pretensions.

Method:

Methodological research was conducted, following the steps of translation, synthesis, back-translation, and evaluation by the expert committee. Two translators, two back-translators, and twelve professionals participated in the expert committee. A pretest was carried out with 10 patients with secondary lymphedema due to breast cancer. The degree of agreement was determined by the content validity coefficient.

Results:

It was necessary to modify 8 out of the 29 questions comprising the questionnaire, which exhibited idiomatic disagreement. However, despite these changes, there were no indications of impairments, as content reliability was achieved through a validity coefficient of 0.90.

Final Considerations:

The instrument was successfully translated and cross-culturally adapted for Brazil with a high level of agreement.

Descriptors:
Breast Neoplasms; Lymphedema; International Classification of Functioning, Disabiliy and Health; Health Care; Patient Health Questionnaire