Prevalence and risk factors for insomnia among breast cancer patients on aromatase inhibitors.
Prevalence and risk factors for insomnia among breast cancer patients on aromatase inhibitors.
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DOI:
10.1007/s00520-012-1490-z
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发表时间:
2013-01
影响因子:
3.1
通讯作者:
Gehrman, Philip R.
中科院分区:
文献类型:
--
作者:
Desai, Krupali;Mao, Jun J.;Su, Irene;DeMichele, Angela;Li, Qing;Xie, Sharon X.;Gehrman, Philip R.
Insomnia is increasingly recognized as a major symptom outcome in breast cancer; however, little is known about its prevalence and risk factors among women receiving aromatase inhibitors (AIs), a standard treatment to increase disease free survival among breast cancer patients. A cross-sectional survey study was conducted among postmenopausal women with stage 0-III breast cancer receiving adjuvant AI therapy at an outpatient breast oncology clinic of a large university hospital. The Insomnia Severity Index (ISI) was used as the primary outcome. Multivariate logistic regression analyses were performed to evaluate risk factors. Among 413 participants, 130 (31.5%) had sub-threshold insomnia on the ISI and 77 (18.64%) exceeded the threshold for clinically significant insomnia. In a multivariate logistic regression model, clinically significant insomnia was independently associated with severe joint pain (adjusted odds ratio, 4.84, 95% confidence interval, 1.71–13.69, P=0.003), mild/moderate hot flashes (AOR, 2.28, 95% CI, 1.13–4.60, P=0.02), severe hot flashes (AOR, 2.29, 95% CI, 1.23–6.81, P=0.015), anxiety (AOR, 1.99, 95% CI, 1.08–3.65, P=0.027), and depression (AOR, 3.57, 95% CI, 1.48–8.52, P=0.004). Age (>65 vs. <55 years, AOR, 2.31, 95% CI, 1.11–4.81, p=0.026), and time since breast cancer diagnosis (<2 years vs. 2–5 years, AOR, 1.94, 95% CI, 1.02–3.69, p=0.045) were also found to be significant risk factors. Clinical insomnia was more common among those who used medication for treating insomnia and pain. Insomnia complaints exceed 50% among AI users. Clinically significant insomnia is highly associated with joint pain, hot flashes, anxiety and depression, age, and time since diagnosis.
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