Avaliação da qualidade de sono e de força muscular em mulheres com linfedema de membro superior após cirurgia de câncer de mama Assessment of quality of sleep and muscle strength in women with breast-cancer-related lymphedema

The most common consequences of breast cancer surgery includes joint dysfunction in the ipsilateral shoulder surgery and lymphedema of the upper limb ipsilateral to surgery. Such changes may affect the quality of life and women's quality of sleep. The purpose of this study was to verify if the quality of sleep and the muscle strength are impaired in patients after surgical treatment for breast cancer, who de- veloped and who didn't develop lymphedema. An analytical cross study was developed with volunteers after surgical treatment for breast cancer who developed (lymphedema group) and who not developed (control group) lymphedema of the upper limb, in the Clinic of Mastology of the Federal Univer- sity of Sao Paulo, Brazil. The questionnaire used was the Pittsburgh Sleep Quality Index (PSQI);