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doi: 10.1097/gme.0b013e31820db6a1
Original Articles

Changes in self-reported hot flashes and their association with concurrent changes in insomnia symptoms among women with breast cancer

Savard, Marie-Hélène PhD1,2,3; Savard, Josée PhD1,2; Trudel-Fitzgerald, Claudia BA1,2; Ivers, Hans PhD1,2; Quesnel, Catherine PhD1,2

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Objective: The aim of this study was to assess longitudinally the relationship between hot flashes and insomnia symptoms in women receiving adjuvant treatments for breast cancer.

Methods: Fifty-eight participants completed a 7-day daily diary assessing hot flashes, the Menopause-Specific Quality of Life Questionnaire, and the Insomnia Severity Index, before and after chemotherapy or radiotherapy and at a 3-month follow-up evaluation.

Results: A first canonical correlation analysis (n = 55) revealed a marginally significant relationship between pretreatment versus posttreatment change scores in hot flashes and sleep (R = 0.39), and a second analysis (n = 51) showed a significant relationship between posttreatment and follow-up changes in hot flash activity and sleep (R = 0.59).

Conclusions: These results show that increases in vasomotor symptoms occurring within the few months after the termination of initial adjuvant treatments for breast cancer are significantly associated with concurrent increases in insomnia symptoms and vice versa.

©2011The North American Menopause Society


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