IntroductionBreast cancer-related lymphoedema (BCRL) is a progressive and debilitating complication post-breast cancer treatment. Identifying potential risk factors facilitates the prevention and management of BCRL. Multiple systematic reviews have been conducted to address the variables correlated with the occurrence of BCRL. This study aims to identify and examine factors predicting the development of BCRL, to clarify the predicting mechanism of these factors, as well to determine the credibility of risk factors for BCRL.Methods and analysisThis umbrella review will be conducted with the methodological guidance of the Joanna Briggs Institute and the Cochrane handbook. A comprehensive systematic search will be performed in ten databases: PubMed, Embase, CINAHL, Web of Science, Scopus, CNKI, SinoMed, Wangfang database, the JBI Database of Systematic Reviews, Cochrane Database of Systematic Reviews. The search for unpublished studies will include ProQuest and the PROSPERO register. Reference lists will also be hand searched. Two reviewers will independently screen the studies, extract data and assess the methodological quality using the Methodological Quality of Systematic Reviews-2 and the Risk of Bias in Systematic Reviews. The degree of overlap between included reviews will be assessed by calculating the Corrected Covered Area. The credibility of the associations between risk factors and lymphoedema will be graded into four classes: convincing, highly suggestive, suggestive and weak, referring to the classification system of recent umbrella reviews. A descriptive, narrative synthesis and suggestions for clinical practice and future research will be made based on included systematic reviews, considering the quality of the evidence.Ethics and disseminationEthical approval is not required for this umbrella review. We will seek to submit the results for publication in a peer-reviewed journal or present it at conferences.PROSPERO registration numberCRD42022375710.

AimsTo explore predictors of lymphedema self‐management behaviours among Chinese breast cancer survivors based on the Integrated Theory of Health Behaviour Change, and to clarify the interrelationship among these variables.DesignFurther analysis of a multicentre cross‐sectional and survey‐based study.MethodsA total of 586 participants with breast cancer were recruited from December 2021 to April 2022 in different cities in China. We used self‐reported questionnaires to collect data. Descriptive analysis, bivariate analysis and structural equation model were performed.ResultsThe Integrated Theory of Health Behaviour Change is suitable for predicting lymphedema self‐management behaviours. The final structural model showed good model fit. Social support, self‐efficacy and lymphedema knowledge positively affected lymphedema self‐management behaviours, directly and indirectly. Self‐regulation acted as a crucial mediator between these variables and self‐management. The direct path between social support and self‐regulation was not significant. Lymphedema knowledge and social support also influenced self‐management via illness perception, self‐efficacy and self‐regulation, sequentially. These variables explained 55.9% of the variance in lymphedema self‐management behaviours.ConclusionsThe modified model based on the Integrated Theory of Health Behaviour Change fitted well in predicting lymphedema self‐management behaviours among breast cancer patients. Lymphedema knowledge, illness perception, self‐efficacy, social support and self‐regulation directly and indirectly influenced lymphedema self‐management behaviours.ImpactThis study provides a theoretical basis for the assessment and interventions of lymphedema self‐management behaviours in breast cancer patients. Lymphedema self‐management behaviours should be assessed regularly and comprehensively, taking these predictors into consideration to identify potential barriers. Further research is needed to explore effective interventions integrating these significant predictors.Reporting MethodThis study was reported following Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) checklist for cross‐sectional studies.Patient or Public ContributionNo patient or public contributed to the design or conduct of the study, analysis or interpretation of the data, or in the preparation of the manuscript.What Does This Paper Contribute to the Wider Global Clinical Community?This study focused on identifying and predicting mechanism of self‐management based on a theory of behaviour change. The results can be applied among patients with other chronic diseases or high‐risk populations, and inspire the assessment and interventions facilitating self‐management behaviours.Study RegistrationThis study was registered as an observational study at Chinese Clinical Trial Registry: http://www.chictr.org.cn (ChiCTR2200057084).Implications for the Profession and/or Patient CareFor breast cancer patients with poor lymphedema self‐management behaviour, attention should be raised among nurses and involved healthcare staffs that lymphedema self‐management is multi‐faced. Strategies targeted at improving social support, self‐regulation, knowledge, self‐efficacy and illness perception should be also addressed in lymphedema self‐management programs, to facilitate more effective improvement of lymphedema self‐management behaviours.

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Background Young breast cancer survivors with body image disturbance have poor quality of life. Self-compassion and different coping styles can influence their body image. The purpose of the study was to investigate the relationship between self-compassion, coping styles, and body image disturbance, and examined the mediation role of coping styles between self-compassion and body image disturbance among young breast cancer survivors in China. Methods In the cross-sectional study, a total of 310 young women with breast cancer were assessed on self-compassion, coping styles, and body image disturbance by self-reported questionnaires in China. Spearman’s correlation was used to test the links between variables and to verify the indirect effects between variables by constructing a structural equation model. Results There were correlations between self-compassion, different coping styles, and body image disturbance. Confrontation, avoidance, and acceptance-resignation coping had significant mediation effects on the association between self-compassion and body image disturbance. The mediation effects of confrontation coping were greater than avoidance, and acceptance-resignation coping. Conclusions In this study, different coping styles acted as mediators between self-compassion and body image disturbance, providing support for further understanding the mechanism between self-compassion and body image disturbance, and developing comprehensive interventions for body image disturbance. Oncology nurses should pay attention to the breast cancer survivors’ self-compassion and coping styles and encourage them to adopt adaptive coping strategies, which can reduce body image disturbance.

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Aims and ObjectivesThe purpose of this empirical study was to explore the current status and associated factors of lymphedema self‐management behaviours among Chinese breast cancer survivors.BackgroundBreast cancer‐related lymphedema is a lifetime concern for survivors and is currently incurable. Lifetime lymphedema self‐management takes a significant role in preventing development and progression of lymphedema. Understanding influencing factors of lymphedema self‐management behaviours can help to develop targeted intervention programs.DesignA multicentre cross‐sectional study.MethodsFrom December 2021 to April 2022, a convenience sample of 586 participants were recruited at four tertiary hospitals in four cities in China. Self‐reported questionnaires were used to measure socio‐demographic characteristics, disease‐and treatment‐related characteristics, lymphedema self‐management behaviours, lymphedema knowledge, illness perception, self‐efficacy, self‐regulation and social support. Descriptive analysis, bivariate analysis and hierarchical multiple regression were conducted. This study was registered at Chinese Clinical Trial Registry (ChiCTR2200057084), and was reported followed the STROBE checklist.ResultsBreast cancer survivors reported moderate level of lymphedema self‐management behaviours. Promotion of lymph reflux management was ranked the least performed self‐management behaviours, while the affected limb protection management ranked the most. 36.2% of self‐management behaviours was explained by exercise regularly, level of attention on lymphedema prevention, unclear about the tumour stage (vs. stage I), knowledge, self‐efficacy, emotional illness representation and social support.ConclusionsLymphedema self‐management behaviours of breast cancer survivors was insufficient. Performance of lymphedema self‐management varied with different socio‐demographic characteristics, along with different levels of knowledge, self‐efficacy, perception and social support. All these identified predictors should be reckoned in assessment and intervention of lymphedema self‐management behaviours.Relevance To Clinical PracticeThis study addressed that breast cancer survivors' lymphedema self‐management behaviours should be promoted. Focusing on identified predictors, further lymphedema surveillance, knowledge education or social facilitation programs are recommended to enhance their self‐management performance and adherence.

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