Abstract
Abstract BACKGROUND: BREAST-Q is a patient-reported outcome (PRO) that has been designed to evaluate perception outcomes among women undergoing different types of breast surgery, the modules include evaluation for mastectomy, breast reconstruction, augmentation, reduction/mastopexy and breast-conserving therapy. OBJECTIVES: Generate a translated version that is conceptually equivalent to the original version and to validate for Mexican population. METHODS: A linguistic and psychometric validation was performed in 494 women. We carry out pre and postoperative test. Reliability and internal consistency were performed by Cronbach's alpha and intraclass correlation coefficient (ICC). RESULTS: The results of patient testing, number of participants, acceptability and reliability are shown in table 1. The average scores were in all cases >0.80. Summary of BREAST-Q validation analysisN =494Module=nMean age(range)Time to completion Test(minutes) average(range)Time to completion Retest(minutes) average(range)Number of itemsNumber of missing itemsCronbach's Alpha min-max*Test-Retest ICC min-max*Mastectomy=160Pre=6248(26-76)7.8(2-20)6.4(3-20)3700.81-0.940.72-0.94Post=9852(32-78)13(4-40)11(4-28)6310.87-0.970.87-0.96Breast Conserving Therapy=153Pre=8150(21-78)7(2-17)5.2(2-13)3220.88-0.950.82-0.95Post=7255(37-73)18.7(5-44)15.4(6-29)8720.92-0.980.92-0.98Reconstruction=181Pre=6544(23-64)7.9(3-22)6.4(2-20)4220.90-0.970.90-0.97Post=9246(24-74)18.5(8-41)15.7(5-42)11610.86-0.990.85-0.99Lattisimus Dorsi=2445(33-74)5(1-18)4(2-10)1910.95-0.960.96-0.96We report the low and the high value between all sub scales, per questionnaires The internal consistency and reproducibility support the reliability of the instrument; all of the scores were acceptable. DISCUSSION: The importance of measurements quality of life in patient whit cancer, become an essential end-point, we need validated tools that help us improve our performance in different methods of treatments. Is the first validation study of an instrument that measures the impact of surgical treatment on the quality of life of breast cancer patients in Mexico, our results support the equivalent Spanish version for Mexican population. Breast-Q will provide valuable metrics for a surgeon team to document and measure their clinical performance and improve quality of healthcare in our Hispanic patients. CONCLUSIONS: The Mexican Spanish version of tree Modules of Breast-Q is reliable and easy to implement in the population with breast cancer in different scenarios in México with the advantage to measure the quality of life and satisfaction on our population with a locally advanced stage that will help to improve quality of healthcare. The high acceptability of the questionnaire demonstrate that the version is well accepted for our population so we will include a significant number of patient in our country; therefore, more hospital centers will be invited to participate for further studies that allow us to evaluate the population in Latin America and thus compare our results. Citation Format: Bargalló-Rocha J, Gutiérrez-Zacarías L, Gallargo-Alvarado L, Maciel-Miranda J, Shaw-Dulin R, Esparza-Arias N, Figueroa-Padilla J, Vazquez-Romo R, Robles-Vidal C, Drucker-Zertuche M, Cabrera-Galeana P, Cantu-De Leon D. The BREAST-Q: Translation and validation for Mexican population [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P6-16-07.
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