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Dyadic sleep/wake assessments in cancer care: new insight from a longitudinal study among women with breast cancer and their informal caregivers during adjuvant chemotherapy
University of Dundee, School of Nursing & Midwifery, Dundee, United Kingdom.
Karolinska Institutet, Department of Neurobiology Care Science & Society Division of Nursing, Huddinge, Sweden.
University of Dundee, School of Nursing & Midwifery, Dundee, United Kingdom.
2013 (English)In: European Journal of Cancer, ISSN 0959-8049, E-ISSN 1879-0852, Vol. 49, S379-S380 p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

Background: Alterations in habitual sleep/wake patterns (SWP) of women with breast cancer and their informal caregivers may be concurrently exacerbated and co-vary during the patient’s treatment. Taking into consideration the complexity of mechanisms interfering with a care dyad’s sleep, the current study set out to longitudinally explore SWP of patientcaregiver dyads in the context of adjuvant chemotherapy (CTh) for breast cancer.

Material and Methods: In this descriptive, observational, repeatedmeasures dyadic study, 48 newly diagnosed women receiving outpatient adjuvant CTh for early stage breast cancer (stage I−IIIA), and their nominated primary informal caregiver completed self-reported sleep measures at pre-treatment (week prior to CTh), post-CTh cycle 1, post- CTh cycle 4, and approximately 30 days after CTh (total of 6 cycles received). Multivariate hierarchical linear modelling (MHLM) techniques were implemented to analyse dyadic sleep data.

Results: Prior to CTh, 65% of dyads consisted of at least one poor sleeper, a rate further increasing to approximately 88% at CThC4. MHLM revealed curvilinear trajectories for most of dyads’ sleep/wake parameters that nevertheless reached significance (p <. 05) only for patients. In both groups, sleep/wake impairment reached its peak at mid-treatment (CThC4); yet, patients consistently reported significantly more sleep problems than their carers. Partial convergence also emerged as suggested by positive correlations and no between-groups differences in daily disturbance, daytime napping duration (NAPTIME), total sleep time, and overall sleep/ wake disruption at pre-treatment. At CThC4, rates of change in sleep latency and NAPTIME were alsosimilar.

Conclusions: The current study is one of the first studies to show that a dyadic approach in the assessment of SWP in patients with breast cancer and their carers is a promising method to enhance exploration of potentially concurrent sleep-impairment. Replication of the current findings in future dyadic sleep research is an absolute priority. Meanwhile, clinicians will need to engage in concurrent systematic and on-going sleep assessments that synthesise and contrast data to establish a care dyad’s level of sleep quality.

Place, publisher, year, edition, pages
2013. Vol. 49, S379-S380 p.
Keyword [en]
nursing, oncology
National Category
Nursing
Research subject
Nursing Science
Identifiers
URN: urn:nbn:se:oru:diva-36297ISI: 000326843602384OAI: oai:DiVA.org:oru-36297DiVA: diva2:747042
Conference
17th ECCO / 38th ESMO / 32nd ESTRO European Cancer Congress on Reinforcing Multidisciplinarity, SEP 27-OCT 01, 2013, Amsterdam, NETHERLANDS
Note

Volume 49, Supplement 2, September 2013, Pages S298–S449, abstract 1738 ORAL

Available from: 2014-09-15 Created: 2014-09-02 Last updated: 2017-10-18Bibliographically approved

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