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Hoy — Diciembre 16th 2025Tus fuentes RSS

Sleep quality worsens over the first year after breast cancer diagnosis

Por: Giorgi Rossi · P. · Costi · S.

Commentary on: Alanazi N, Gu F, Li CS, et al.Lorenz RA, Hong CC. Sleep Quality and Associated Factors Among Survivors of Breast Cancer: From Diagnosis to One Year Postdiagnosis. Oncol Nurs Forum. 2024 Feb 19;51(2):163-–174. doi: 10.1188/24.ONF.163-–174. PMID: 38442284.

Implications for practice and research

  • Sleeping disorders are common in breast cancer patients and increase in the first year after diagnosis. Nurses should be aware of the high frequency of these disturbances, which persist after the conclusion of most therapies.

  • The determinants of worsening sleeping quality in breast cancer survivors need to be understood, including the role of treatments, the type of surgery and psycho-social or contextual factors.

    • Context

    Breast cancer is the most common cancer in women worldwide. While research in recent decades has focused on minimising treatment, the disease still impacts women’s lives in many ways. Because increased sleep disturbances affect approximately...
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    Behaviours as biomarkers? Disentangling causality between vitamin D, sedentary behaviours and mortality is necessary for preventing recurrence and cardiovascular disease in cancer survivors

    Por: Giorgi Rossi · P. · Bonvicini · L.

    Commentary on: Yu Y, Cheng S, Huang H, et al. Joint association of sedentary behaviour and vitamin D status with mortality among cancer survivors. BMC Med 2023;21:411.

    Implications for practice and research

  • Results support National Institute for Health and Care Excellence recommendations7 in defining vitamin D levels below 50 nmol/L as insufficient and highlight sitting time over 6 hours/day as a possible determinant of mortality in cancer survivors.

  • Biological mediators linking sedentary behaviours, vitamin D and health outcomes should be investigated to understand the underlying causal link.

    • Context

    Many observational studies showed that sedentary behaviours1 and low serum levels of vitamin D2 are independent risk factors for mortality in cancer survivors. Nevertheless, data from trials on vitamin D supplementation3 and interventions promoting physical activity4 did not obtain the effect on mortality in cancer survivors that...
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