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Incidence and risk factors of lymphedema after breast cancer treatment: 10 years of follow-up.
Breast ; 36: 67-73, 2017 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-28992556
ABSTRACT

PURPOSE:

To evaluate the incidence and risk factors of lymphedema 10 years after surgical treatment for breast cancer.

METHODS:

Prospective observational hospital-based cohort of women undergoing axillary lymph node dissection. Lymphedema was assessed by indirect volume, measured by circumference, and diagnosed if there was a difference of 200 mL between the arms or if the patient was treated for it. Independent variables were patient, tumour and treatment characteristics. Descriptive statistics were conducted as survival analysis using the Kaplan-Meier estimate. Cox regression was performed, considering a 95% confidence interval (95%CI).

RESULTS:

The study evaluated 964 women. The cumulative incidence of lymphedema observed was 13.5% at two years of follow-up, 30.2% at five years and 41.1% at 10 years. Final model showed an increased risk for lymphedema among women that underwent radiotherapy (HR = 2.19; 95%CI 1.63-2.94), were obese (HR = 1.52; 95%CI 1.20-1.92), had seroma formation after surgery (HR = 1.46; 95%CI 1.14-1.87), underwent chemotherapy infusion in the affected limb (HR = 1.45; 95%CI 1.12-1.87) or advanced disease staging (HR = 1.41; 95%CI 1.11-1.80).

CONCLUSIONS:

Cumulative incidence of lymphedema was 41.1%. Women undergoing axillary radiotherapy, obese, who developed seroma, underwent chemotherapy infusion in the affected limb and with advanced disease had a higher risk of lymphedema.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Neoplasias da Mama / Excisão de Linfonodo / Linfedema Aspecto clínico: Etiologia / Prognóstico Limite: Adulto / Idoso / Feminino / Humanos / Meia-Idade Idioma: Inglês Revista: Breast Assunto da revista: Endocrinologia / Neoplasias Ano de publicação: 2017 Tipo de documento: Artigo