Association between poor clinical prognosis and sleep duration among breast cancer patients

Association between poor clinical prognosis and sleep duration among breast cancer patients

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ABSTRACT Objective: to investigate the association between clinical progression and the quality and duration of sleep in women with breast cancer.Method: longitudinal study, with 114 participants, conducted in a hospital in Brazil.The instruments used were: questionnaire for sociodemographic and clinical characterization, Pittsburgh Sleep Quality Index; Beck Depression Inventory and Drive Motor Brush Kit Herth Hope Scale.Data were analyzed through descriptive statistics and survival analyses (outcome: poor clinical progression), using the Kaplan-Meier curve, Log-rank test and Cox proportional model.

Results: a higher probability of poor clinical progression was verified in women with sleep durations of less than six hours or nine hours and over (p=.0173).Conclusion: the results suggest the importance of further studies that seek to verify whether the quantitative management Hayward AquaVac 6 of sleep disorders would have an impact on the progression of breast cancer.Women should be encouraged to report sleep problems to nurses.