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Sheng L, Zhu Y, Liu Y, Hua H, Zhou J, Ye L. Fear of cancer recurrence and associated factors in family caregivers of patients with hematologic malignancy receiving chemotherapy: A latent profile analysis. Asia Pac J Oncol Nurs 2024; 11:100382. [PMID: 38495640 PMCID: PMC10940887 DOI: 10.1016/j.apjon.2024.100382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/13/2024] [Indexed: 03/19/2024] Open
Abstract
Objective This study identified the potential subgroups of fear of cancer recurrence (FCR) in family caregivers (FCs) of patients with hematologic malignancies receiving chemotherapy, as well as exploring factors associated with subgroups. Methods This was a cross-sectional study involving 206 pairs of participating patients with hematologic malignancies receiving chemotherapy and their FCs. Using Mplus 8.3 to perform the latent profile analysis of FCs' FCR, the FCs' burden, quality of life, psychological resilience, and anxiety as well as their demographic characteristics were compared between the subgroups, with a logistic regression analysis being applied to examine the factors associated with the FCR subgroups. Results A total of 206 FCs were classified into two subgroups: "a low level of FCR" (Class 1, 65.4%) and "a high level of FCR" (Class 2, 34.6%). Quality of life, anxiety, and frequency of chemotherapy were significantly associated with the two subgroups. Conclusions FCs of patients with hematologic malignancy receiving chemotherapy had two FCR subgroups, "a low level of FCR" and "a high level of FCR", in association with quality of life, anxiety, and frequency of chemotherapy. These findings provide the theoretical foundations for screening the FCR factor of FCs and conducting interventions for them.
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Affiliation(s)
- Li Sheng
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Yingying Zhu
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Yajiao Liu
- Nursing Department, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Haiying Hua
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- Department of Hematology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Jingfen Zhou
- Department of Hematology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Long Ye
- Department of Hematology, Affiliated Hospital of Jiangnan University, Wuxi, China
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Zhao X, Zhang Y, Qin R, Li G, He X, Shen X, Li P. Dyadic association between mindfulness, family avoidance of communication about cancer and fear of cancer recurrence among breast cancer couples: A cross-sectional study. Eur J Oncol Nurs 2024; 68:102491. [PMID: 38159530 DOI: 10.1016/j.ejon.2023.102491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 12/10/2023] [Indexed: 01/03/2024]
Abstract
PURPOSE The research focused on examining the dyadic relationship between mindfulness, fear of cancer recurrence (FCR), and family avoidance of communication about cancer (FACC) within breast cancer couples. METHODS This study utilized a cross-sectional approach to gather data from 249 breast cancer couples. Participants completed self-report measures assessing mindfulness, FCR, and FACC. The Actor-Partner Interdependence Mediation Model was applied to analyze how each individual's and their partner's mindfulness affected their own and their partner's FCR, as well as the mediating role of FACC in this relationship. RESULTS The study found that the average FCR score for breast cancer patients was (32.59 ± 10.05), while their spouses had a score of (34.39 ± 8.60). The bootstrap method showed that self-FACC as a mediator between mindfulness in breast cancer couples and their own FCR (patient: β = -0.044, P = 0.019; spouse: β = -0.046, P = 0.007). Patients' FACC influenced the connection between their mindfulness and spouses' FCR (β = -0.031, P = 0.030). CONCLUSIONS The findings highlight the potential for interventions that focus on mindfulness and communication enhancement to alleviate FCR and improve the overall well-being of breast cancer couples.
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Affiliation(s)
- Xiangyu Zhao
- School of Nursing and Rehabilitation, Shandong University, 44 Wenhua West Road, Jinan, 250012, China
| | - Yunxue Zhang
- Department of Nursing, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Rui Qin
- School of Nursing and Rehabilitation, Shandong University, 44 Wenhua West Road, Jinan, 250012, China
| | - Guopeng Li
- School of Nursing and Rehabilitation, Shandong University, 44 Wenhua West Road, Jinan, 250012, China
| | - Xudong He
- School of Nursing and Rehabilitation, Shandong University, 44 Wenhua West Road, Jinan, 250012, China
| | - Xiaona Shen
- School of Nursing and Rehabilitation, Shandong University, 44 Wenhua West Road, Jinan, 250012, China
| | - Ping Li
- School of Nursing and Rehabilitation, Shandong University, 44 Wenhua West Road, Jinan, 250012, China.
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Lee AE, McLoone JK, Touyz LM, Wakefield CE, Cohn RJ, Signorelli C. "It just never ends": Childhood cancer survivors' perceived psychosocial impacts of recurrence and second cancer. Palliat Support Care 2024; 22:31-40. [PMID: 36164937 DOI: 10.1017/s1478951522001328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Childhood cancer survivors are at risk of developing primary recurrences and new second cancers. Experiencing a recurrence and/or second cancer can be highly distressing for survivors and families. We aimed to understand the psychological impacts of experiencing a recurrence or second cancer and how this potentially influences survivors' engagement with survivorship care. METHODS We invited childhood cancer survivors or their parents if survivors were ≤16 years of age from 11 tertiary pediatric oncology hospitals across Australia and New Zealand to complete interviews. We conducted a thematic analysis facilitated by NVivo12. RESULTS We interviewed 21 participants of whom 16 had experienced a recurrence, 3 had a second cancer, and 2 had both a recurrence and second cancer. Participants reported that a recurrence/second cancer was a stressful sudden disruption to life, accompanied by strong feelings of uncertainty. Participants tended to be less aware of their second cancer risk than recurrence risk. Some participants reported feelings of anxiousness and despair, describing varying responses such as gratitude or avoidance. Participants shared that the fear of cancer recurrence either motivated them to adopt protective health behaviors or to avoid information and disengage from survivorship care. SIGNIFICANCE OF RESULTS Some survivors and their parents have a poor understanding and expressed reluctance to receive information about their risk of second cancer and other treatment-related late effects. Improving the delivery of information about late effects to families may improve their engagement with survivorship care and surveillance, although care must be taken to balance information provision and survivors' anxieties about their future health.
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Affiliation(s)
- Andrea E Lee
- Discipline of Paediatrics and Child Health, School of Clinical Medicine, UNSW Medicine and Health, Randwick Clinical Campus, University of New South Wales, Sydney, NSW, Australia
| | - Jordana K McLoone
- Discipline of Paediatrics and Child Health, School of Clinical Medicine, UNSW Medicine and Health, Randwick Clinical Campus, University of New South Wales, Sydney, NSW, Australia
- Kids Cancer Centre, Level 1 South, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Lauren M Touyz
- Discipline of Paediatrics and Child Health, School of Clinical Medicine, UNSW Medicine and Health, Randwick Clinical Campus, University of New South Wales, Sydney, NSW, Australia
- Kids Cancer Centre, Level 1 South, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Claire E Wakefield
- Discipline of Paediatrics and Child Health, School of Clinical Medicine, UNSW Medicine and Health, Randwick Clinical Campus, University of New South Wales, Sydney, NSW, Australia
- Kids Cancer Centre, Level 1 South, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Richard J Cohn
- Discipline of Paediatrics and Child Health, School of Clinical Medicine, UNSW Medicine and Health, Randwick Clinical Campus, University of New South Wales, Sydney, NSW, Australia
- Kids Cancer Centre, Level 1 South, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Christina Signorelli
- Discipline of Paediatrics and Child Health, School of Clinical Medicine, UNSW Medicine and Health, Randwick Clinical Campus, University of New South Wales, Sydney, NSW, Australia
- Kids Cancer Centre, Level 1 South, Sydney Children's Hospital, Randwick, NSW, Australia
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Faraji A, Dehghani M, Khatibi A. Familial aspects of fear of cancer recurrence: current insights and knowledge gaps. Front Psychol 2023; 14:1279098. [PMID: 38034286 PMCID: PMC10684928 DOI: 10.3389/fpsyg.2023.1279098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Fear of cancer recurrence is fear or worry about cancer recurrence or progress. Fear of recurrence can impact patients' quality of life and wellbeing. Cancer survivors' families support them practically and emotionally, making them a vital supplement for official healthcare. Given the well-established important role of the family in dealing with cancer, we compiled the studies that examined the relationship between family-related factors and fear of cancer recurrence (FCR) among cancer survivors (CSs). One of the foremost studies in this field is the FCR model presented by Mellon and colleagues, which included concurrent family stressors and family-caregiver FCR as factors linked to survivor FCR. Our goal was to prepare the ground for a family-based model of FCR that is more comprehensive than the one proposed by Mellon et al. sixteen years ago. The studies included those with samples of adult cancer survivors from different regions of the world. Most of the studies we reviewed are cross-sectional studies. We categorized family-related factors associated with survivor FCR into partner-related factors, including subgroups of disclosure to partner, cognitions of partner, and partner's sources of support; parenthood-related factors, including having children and parenting stress; family-related factors, including living situation, family history of cancer, family's perception of the illness, and family characteristics; and social interactions including social support, disclosure, social constraints, and attitudes of others. This review sheds light on how significant others of cancer survivors can affect and be affected by cancer-related concerns of survivors and emphasizes the necessity of further investigation of family-related factors associated with FCR.
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Affiliation(s)
- Aida Faraji
- Department of Psychology, Shahid Beheshti University, Tehran, Iran
| | - Mohsen Dehghani
- Department of Psychology, Shahid Beheshti University, Tehran, Iran
| | - Ali Khatibi
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
- Institute for Mental Health (IMH), School of Psychology, University of Birmingham, Birmingham, United Kingdom
- The Centre for Human Brain Health (CHBH), School of Psychology, University of Birmingham, Birmingham, United Kingdom
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Shi Y, Dai J, Kuai B, Su X, Yang R, Gong S, Guo Y. Impact of fear of recurrence in patients with cancer on caregivers' psychological health: A meta-analysis. Asia Pac J Oncol Nurs 2023; 10:100299. [PMID: 37780398 PMCID: PMC10534230 DOI: 10.1016/j.apjon.2023.100299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 08/21/2023] [Indexed: 10/03/2023] Open
Abstract
Objective This study aims to quantitatively investigate the relationship between fear of cancer recurrence in patients with cancer and their caregivers' psychological health, examining the extent of the impact of this fear on caregivers. Methods We conducted a comprehensive search in PubMed, EMBASE, Cochrane Library, Web of Science, CINAHL, and PsycINFO databases from inception until May 2023 for relevant English publications. Pearson correlation coefficients (r) were utilized as effect sizes to assess the overall relationship between fear of recurrence and psychological outcomes among caregivers of patients with cancer. Results A total of 19 eligible studies were included in the analysis. The findings revealed a moderate positive correlation between fear of recurrence in patients with cancer and caregivers' fear of recurrence and depression. A relatively weaker correlation was observed between patients' fear of recurrence and caregivers' anxiety. Due to considerable heterogeneity (I2 = 91.99%, Q = 212.23), the primary outcome of fear of recurrence in patients with cancer influencing caregivers' fear of recurrence was examined through subgroup analyses. Conclusions Our meta-analysis established a significant positive correlation between fear of recurrence in patients with cancer and negative psychological consequences among caregivers, including recurrence fear, depression, and anxiety. Future research should explore the evolution of adverse psychological outcomes in both patients with cancer and their caregivers over time and delve into the bivariate psychological impact within the patient-caregiver dyads. Systematic review registration PROSPERO, CRD42022383866.
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Affiliation(s)
- Yue Shi
- School of Medicine (School of Nursing), Nantong University, Nantong, China
| | - Jingjing Dai
- Department of Oral Surgery, Affiliated Hospital of Nantong University, Nantong, China
| | - Benxin Kuai
- School of Medicine (School of Nursing), Nantong University, Nantong, China
| | - Xiaoqin Su
- School of Medicine (School of Nursing), Nantong University, Nantong, China
| | - Runze Yang
- School of Medicine (School of Nursing), Nantong University, Nantong, China
| | - Shujin Gong
- School of Medicine (School of Nursing), Nantong University, Nantong, China
| | - Yujie Guo
- School of Medicine (School of Nursing), Nantong University, Nantong, China
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Lamarche J, Cusson A, Nissim R, Avery J, Wong J, Maheu C, Lambert SD, Laizner AM, Jones J, Esplen MJ, Lebel S. It's time to address fear of cancer recurrence in family caregivers: usability study of an virtual version of the Family Caregiver-Fear Of Recurrence Therapy (FC-FORT). Front Digit Health 2023; 5:1129536. [PMID: 37671170 PMCID: PMC10475944 DOI: 10.3389/fdgth.2023.1129536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 06/19/2023] [Indexed: 09/07/2023] Open
Abstract
Background Family caregivers of cancer survivors experience equal or greater levels of fear of cancer recurrence (FCR) than survivors themselves. Some interventions have demonstrated their ability to reduce FCR among cancer survivors and dyads (patient and caregivers). However, to date, no validated intervention exists to focus solely on family caregiver's FCR. Objectives This study aimed to (1) adapt the evidence-based in-person Fear Of Recurrence Therapy (FORT) for family caregivers (referred here in as FC-FORT) and to a virtual delivery format and (2) test its usability when offered virtually. Methods The adaptation of FC-FORT was overseen by an advisory board and guided by the Information Systems Research Framework. Following this adaptation, female family caregivers and therapists were recruited for the usability study. Participants took part in 7 weekly virtual group therapy sessions, a semi-structured exit interview and completed session feedback questionnaires. Therapists were offered a virtual training and weekly supervision. Fidelity of treatment administration was assessed each session. Quantitative data were analyzed using descriptive statistics. Exit interviews were transcribed verbatim using NVivo Transcription and coded using conventional content analysis. Results were presented back to the advisory board to further refine FC-FORT. Results The advisory board (n = 16) met virtually on 7 occasions to adapt FC-FORT (i.e., patient manuals, virtual format) and discuss recruitment strategies. Minor (e.g., revised text, adapted materials to virtual format) and major adaptations (e.g., added and rearranged sessions) were made to FC-FORT and subsequently approved by the advisory board. Four family caregivers and three therapists took part in the first round of the usability testing. Six family caregivers and the same three therapists took part in the second round. Overall, participants were very satisfied with FC-FORT's usability. Qualitative analysis identified 4 key themes: usability of FC-FORT, satisfaction and engagement with content, group cohesion, and impact of FC-FORT. All participants indicated that they would recommend FC-FORT to others as is. Conclusions Using a multidisciplinary advisory board, our team successfully adapted FC-FORT and tested its usability using videoconferencing. Results from this study indicate that the efficacy and acceptability of FC-FORT are now ready to be tested in a larger pilot study.
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Affiliation(s)
- Jani Lamarche
- Faculty of Social Sciences, School of Psychology, University of Ottawa, Ottawa, ON, Canada
| | - Angélica Cusson
- Faculty of Social Sciences, School of Psychology, University of Ottawa, Ottawa, ON, Canada
| | - Rinat Nissim
- Department of Supportive Care, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Jonathan Avery
- Department of Supportive Care, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Jiahui Wong
- Cancer Chat De Souza Institute, University Health Network, Toronto, ON, Canada
| | - Christine Maheu
- Ingram School of Nursing, McGill University, Montreal, QC, Canada
| | - Sylvie D Lambert
- Ingram School of Nursing, McGill University, Montreal, QC, Canada
- St. Mary's Research Centre, St. Mary's Hospital Center, Montreal, QC, Canada
| | - Andrea M Laizner
- Ingram School of Nursing, McGill University, Montreal, QC, Canada
- Research Institute of the McGill University Health Centre, McGill University Health Centre, Montreal, QC, Canada
| | - Jennifer Jones
- Department of Supportive Care, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Mary Jane Esplen
- Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Sophie Lebel
- Faculty of Social Sciences, School of Psychology, University of Ottawa, Ottawa, ON, Canada
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Webb K, Sharpe L, Butow P, Dhillon H, Zachariae R, Tauber NM, O'Toole MS, Shaw J. Caregiver fear of cancer recurrence: A systematic review and meta-analysis of quantitative studies. Psychooncology 2023; 32:1173-1191. [PMID: 37303263 DOI: 10.1002/pon.6176] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/10/2023] [Accepted: 05/25/2023] [Indexed: 06/13/2023]
Abstract
OBJECTIVE Fear of cancer recurrence (FCR) is reported by both cancer survivors and caregivers however less is known about caregiver FCR. This study aimed to (a) conduct a meta-analysis to compare survivor and caregiver FCR levels; (b) examine the relationship between caregiver FCR and depression, and anxiety; (c) evaluate psychometric properties of caregiver FCR measures. METHODS CINAHL, Embase, PsychINFO and PubMed were searched for quantitative research examining caregiver FCR. Eligibility criteria included caregivers caring for a survivor with any type of cancer, reporting on caregiver FCR and/or measurement, published in English-language, peer-review journals between 1997 and November 2022. The COnsensus-based Standards for the selection of health status Measurement INstruments (COSMIN) taxonomy was used to evaluate content and psychometric properties. The review was pre-registered (PROSPERO ID: CRD42020201906). RESULTS Of 4297 records screened, 45 met criteria for inclusion. Meta-analysis revealed that caregivers reported FCR levels as high as FCR amongst survivors, with around 48% of caregivers reporting clinically significant FCR levels. There was a strong correlation between anxiety and depression and medium correlation with survivor FCR. Twelve different instruments were used to measure caregiver FCR. Assessments using the COSMIN taxonomy revealed few instruments had undergone appropriate development and psychometric testing. Only one instrument met 50% or more of the criteria, indicating substantial development or validation components were missing in most. CONCLUSIONS Results suggest FCR is as often a problem for caregivers as it is for survivors. As in survivors, caregiver FCR is associated with more severe depression and anxiety. Caregiver FCR measurement has predominately relied on survivor conceptualisations and unvalidated measures. More caregiver-specific research is urgently needed.
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Affiliation(s)
- Kyra Webb
- School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
- The Psycho-oncology Co-operative Group (PoCoG), School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
| | - Louise Sharpe
- School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
| | - Phyllis Butow
- School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
- The Psycho-oncology Co-operative Group (PoCoG), School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
| | - Haryana Dhillon
- School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
- The Psycho-oncology Co-operative Group (PoCoG), School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
- Centre for Medical Psychology & Evidence-Based Decision Making (CeMPED), School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
| | - Robert Zachariae
- Department of Psychology and Behavioural Sciences, Aarhus University, Aarhus, Denmark
- Department of Oncology, Unit for Psychooncology and Health Psychology (EPoS), Aarhus University Hospital, Aarhus, Denmark
| | - Nina Møller Tauber
- Department of Psychology and Behavioural Sciences, Aarhus University, Aarhus, Denmark
| | - Mia Skytte O'Toole
- Department of Psychology and Behavioural Sciences, Aarhus University, Aarhus, Denmark
| | - Joanne Shaw
- School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
- The Psycho-oncology Co-operative Group (PoCoG), School of Psychology, Faculty of Science, The University of Sydney, Sydney, Australia
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Ussher JM, Allison K, Perz J, Power R. LGBTQI cancer patients' quality of life and distress: A comparison by gender, sexuality, age, cancer type and geographical remoteness. Front Oncol 2022; 12:873642. [PMID: 36203463 PMCID: PMC9530284 DOI: 10.3389/fonc.2022.873642] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 08/12/2022] [Indexed: 11/16/2022] Open
Abstract
Background There is growing acknowledgement of the psycho-social vulnerability of lesbian, gay, bisexual, transgender, queer and/or intersex (LGBTQI) people with cancer. The majority of research to date has focused on cisgender adults with breast or prostate cancer. Study Aim This study examined psycho-social factors associated with distress and quality of life for LGBTQI cancer patients and survivors, across a range of sexualities and gender identities, intersex status, tumor types, ages and urban/rural/remote location using an intersectional theoretical framework. Method 430 LGBTQI people with cancer completed an online survey, measuring distress, quality of life (QOL), and a range of psycho-social variables. Participants included 216 (50.2%) cisgender women, 145 (33.7%) cisgender men, and 63 (14.7%) transgender and gender diverse (TGD) people. Thirty-one (7.2%) participants reported intersex variation and 90 (20%) were adolescents or young adults (AYA), aged 15-39. The majority lived in urban areas (54.4%) and identified as lesbian, gay or bisexual (73.7%), with 10.9% identifying as bisexual, and 10.5% as queer, including reproductive (32.4%) and non-reproductive (67.6%) cancers. Results Forty-one percent of participants reported high or very high distress levels, 3-6 times higher than previous non-LGBTQI cancer studies. Higher rates of distress and lower QOL were identified in TGD compared to cisgender people, AYAs compared to older people, those who identify as bisexual or queer, compared to those who identify as lesbian, gay or homosexual, and those who live in rural or regional areas, compared to urban areas. Elevated distress and lower QOL was associated with greater minority stress (discrimination in life and in cancer care, discomfort being LGBTQI, lower outness) and lower social support, in these subgroups. There were no differences between reproductive and non-reproductive cancers. For the whole sample, distress and poor QOL were associated with physical and sexual concerns, the impact of cancer on gender and LGBTQI identities, minority stress, and lack of social support. Conclusion LGBTQI people with cancer are at high risk of distress and impaired QOL. Research and oncology healthcare practice needs to recognize the diversity of LGBTQI communities, and the ways in which minority stress and lack of social support may affect wellbeing.
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Petricone-Westwood D, Stragapede E, Galica J, Hales S, Lebel S. An Investigation of Fear of Recurrence, Attachment and Caregiving Experiences among Ovarian Cancer Partner-Caregivers. Psychooncology 2022; 31:1136-1143. [PMID: 35137486 DOI: 10.1002/pon.5901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 12/20/2021] [Accepted: 01/21/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Fear of cancer recurrence (FCR) is a common concern for both cancer patients and their caregivers. Attachment insecurity is an established contributor to poorer mental health, particularly as it relates to social support. This study sought to evaluate whether attachment and caregiver experiences in cancer care were predictors of FCR. METHODS A cross-sectional questionnaire study involving partner-caregivers of patients with ovarian cancer was conducted. Correlation analyses and multiple hierarchical regressions were used to determine the roles of attachment and caregiving experiences in cancer care on FCR, including the possible moderating role of attachment on the relationship between caregiving experiences and FCR. RESULTS Participants (n=82) mostly identified as white men, had post-secondary education and incomes of over $100,000 CAD, and cared for patients with advanced ovarian cancer. Forty percent of participants had clinically elevated FCR. Among the evaluated caregiving experiences in cancer care, caregiving workload (r=0.33; p=0.005), needing more help from healthcare providers (r=0.28; p=0.02), and lacking time for social relations because of caregiving (r=0.47; p<0.001) correlated with FCR. Attachment anxiety correlated significantly with FCR (r=0.43; p<0.001), but attachment avoidance did not. Attachment anxiety (ΔR2 =0.14; p=0.002) and lacking time for social relations (ΔR2 =0.18; p<0.001) contributed to the variance on FCR. Attachment insecurity did not moderate the relationships between caregiving experiences and FCR. CONCLUSIONS Partner-caregiver attachment anxiety correlates with FCR however this does not influence FCR's relationship with poorer perceived support from cancer care institutions. Partner-caregivers may benefit from psychotherapies for FCR and more practical support from cancer care teams. This article is protected by copyright. All rights reserved.
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Affiliation(s)
| | | | - Jacqueline Galica
- School of Nursing, Faculty of Health Sciences, Queen's University, Kingston, ON
| | - Sarah Hales
- Department of Supportive Care, Princess Margaret Cancer Centre, University Health Network, Toronto, ON
| | - Sophie Lebel
- School of Psychology, University of Ottawa, Ottawa, ON
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A systematic mixed studies review of fear of cancer recurrence in families and caregivers of adults diagnosed with cancer. J Cancer Surviv 2021; 16:1184-1219. [PMID: 34762248 DOI: 10.1007/s11764-021-01109-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 09/06/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE Fear of cancer recurrence (FCR) may be equally prevalent, persistent and burdensome in cancer caregivers as in survivors. This systematic review evaluated FCR prevalence, severity, correlates, course, impact and interventions in cancer caregivers. METHODS Electronic databases were searched from 1997 to May 2021. Two reviewers identified eligible peer-reviewed qualitative or quantitative studies on FCR in adult caregivers or family members of adult cancer survivors. The risk of bias was assessed using the Cochrane Risk of Bias tools for randomised and non-randomised studies and the Mixed-Methods Appraisal Tool. A narrative synthesis and thematic synthesis occurred on quantitative and qualitative studies, respectively. RESULTS Of 2418 papers identified, 70 reports (59 peer-reviewed articles, 11 postgraduate theses) from 63 studies were included. Approximately 50% of caregivers experienced FCR. Younger caregivers and those caring for survivors with worse FCR or overall health reported higher FCR. Most studies found caregivers' FCR levels were equal to or greater than survivors'. Caregivers' FCR was persistently elevated but peaked approaching survivor follow-up appointments. Caregivers' FCR was associated with poorer quality of life in caregivers and survivors. Three studies found couple-based FCR interventions were acceptable, but had limited efficacy. CONCLUSIONS FCR in caregivers is prevalent, persistent and burdensome. Younger caregivers of survivors with worse overall health or FCR are at the greatest risk. Further research on identifying and treating caregivers' FCR is required. IMPLICATIONS FOR CANCER SURVIVORS Caregiver and survivor FCR are similarly impactful and appear interrelated. Addressing FCR may improve outcomes for both cancer caregivers and survivors.
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O'Rourke L, Fisher PL, Campbell S, Wright A, Cherry MG. Factors Associated With Fear of Cancer Recurrence in Family Caregivers of Cancer Survivors: A Systematic Review. Front Psychol 2021; 12:625654. [PMID: 34335354 PMCID: PMC8323753 DOI: 10.3389/fpsyg.2021.625654] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 02/08/2021] [Indexed: 11/20/2022] Open
Abstract
Objective: Fear of cancer recurrence (FCR) is a significant concern for family caregivers of cancer survivors and is associated with many adverse outcomes, including increased emotional distress and poorer quality of life. Although several theoretical models have been proposed to account for FCR in cancer survivors, their applicability to caregivers is unknown. The aim of this review was to identify clinical, demographic and psychological factors that are associated with, and predict, FCR in caregivers of cancer survivors. Method: AMED, CINAHL, Medline, PsycINFO, and Scopus were systematically searched for relevant studies reporting quantitative data on factors associated with FCR or similar constructs (e.g., worry or anxiety about cancer recurrence) in family caregivers of adult cancer survivors. Included studies were assessed for methodological quality using a standardized checklist adapted from the Agency for Healthcare Research and Quality. Results: Sixteen studies, half of which were cross-sectional, were included and summarized narratively. Non-modifiable factors, including age (n = 6) and treatment modality (n = 4), were found to be associated with increased FCR. Significant positive associations were also reported between illness perceptions and FCR (n = 3). However, there was heterogeneity across included studies with regards to factors examined and most were conducted in the USA. There were also several methodological limitations to the included studies. Conclusions: Research examining FCR in caregivers of cancer survivors has predominantly focused on demographic and clinical factors. Given the paucity of research exploring the psychological mechanisms underpinning FCR, future research should investigate theoretical underpinnings of FCR in caregivers of cancer survivors to support the development of psychological interventions for this population. Systematic Review Registration: PROSPERO, identifier [CRD42019119729].
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Affiliation(s)
- Louise O'Rourke
- Department of Primary Care and Mental Health, University of Liverpool, Whelan Building, Quadrangle, Liverpool, United Kingdom
| | - Peter L Fisher
- Department of Primary Care and Mental Health, University of Liverpool, Whelan Building, Quadrangle, Liverpool, United Kingdom.,Clinical Health Psychology Service, Linda McCartney Centre, Liverpool University National Heath Service Foundation Trust, Liverpool, United Kingdom
| | - Sophie Campbell
- Clinical Health Psychology Service, Linda McCartney Centre, Liverpool University National Heath Service Foundation Trust, Liverpool, United Kingdom
| | - Amelia Wright
- Department of Primary Care and Mental Health, University of Liverpool, Whelan Building, Quadrangle, Liverpool, United Kingdom
| | - Mary Gemma Cherry
- Department of Primary Care and Mental Health, University of Liverpool, Whelan Building, Quadrangle, Liverpool, United Kingdom.,Clinical Health Psychology Service, Linda McCartney Centre, Liverpool University National Heath Service Foundation Trust, Liverpool, United Kingdom
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12
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Braun SE, Aslanzadeh FJ, Thacker L, Loughan AR. Examining fear of cancer recurrence in primary brain tumor patients and their caregivers using the Actor-Partner Interdependence Model. Psychooncology 2021; 30:1120-1128. [PMID: 33599334 PMCID: PMC10440852 DOI: 10.1002/pon.5659] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/22/2021] [Accepted: 02/12/2021] [Indexed: 11/10/2022]
Abstract
OBJECTIVE Fear of cancer recurrence (FCR) is related to psychological distress and poor quality of life in cancer patients and their caregivers. However, no studies have investigated FCR in neuro-oncology. Given the varied prognosis, treatment, and disease trajectory of brain cancer, FCR may affect patients and their caregivers differently. METHODS Eighty adult primary brain tumor (PBT) patients and 52 caregivers completed questionnaires assessing FCR and psychological distress (depressive symptoms, generalized anxiety, and death anxiety). Differences in patient and caregiver FCR by demographic and medical characteristics were examined. Using multilevel modeling, the Actor-Partner Interdependence Model (APIM) was used to investigate the interrelationship between patient and caregiver FCR with demographics and psychological distress measures. RESULTS Caregivers reported significantly higher FCR than patients. There were no effects of demographic or medical characteristics on patient FCR. Time since diagnosis was negatively related to caregiver FCR. All measures of psychological distress exerted a significant actor effect on FCR among both patients and caregivers. Two partner effects were found: caregiver depressive symptoms and death anxiety negatively predicted patients' FCR. CONCLUSIONS This is the first investigation of FCR in PBT patients and their caregivers. Most demographic and medical characteristics were not related to patient or caregiver FCR. Caregiver FCR may be higher at the time of diagnosis and decrease over time. APIMs revealed actor effects on patient and caregiver FCR for all measures of psychological distress. Results demonstrated the dyadic effects of a brain tumor diagnosis, emphasizing the need to include caregivers in psychotherapy for neuro-oncology patients.
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Affiliation(s)
- Sarah Ellen Braun
- Department of Neurology, Virginia Commonwealth University, Richmond, Virginia, USA
- Massey Cancer Center, Richmond, Virginia, USA
| | - Farah J Aslanzadeh
- Department of Psychology, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Leroy Thacker
- Massey Cancer Center, Richmond, Virginia, USA
- Department of Biostatistics, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Ashlee R Loughan
- Department of Neurology, Virginia Commonwealth University, Richmond, Virginia, USA
- Massey Cancer Center, Richmond, Virginia, USA
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13
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Pratt-Chapman ML, Alpert AB, Castillo DA. Health outcomes of sexual and gender minorities after cancer: a systematic review. Syst Rev 2021; 10:183. [PMID: 34154645 PMCID: PMC8218456 DOI: 10.1186/s13643-021-01707-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 05/18/2021] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Cancer research on sexual and gender minority (SGM) populations is gaining momentum. The purpose of this systematic review was to examine what is currently known in the research literature regarding patient-reported health outcomes after cancer treatment among SGM populations. METHODS In March 2021, a medical librarian conducted a systematic keyword search on PubMed, Embase, Scopus, Web of Science, PsycINFO, ClinicalTrials.gov , and the Cochrane Central Register of Controlled Trials. The primary inclusion criterion was assessment of at least one physical, psychosocial, emotional, or functional patient-reported health outcome related to the impacts of cancer diagnosis and/or treatment. Articles that met inclusion criteria were reviewed in their entirety, charted in a Word Table, and assessed for quality. Quality considerations included study design, sampling approach, diversity of sample, measures used, and analytic procedures. Studies were synthesized based on type of cancer study participants experienced. RESULTS Sixty-four studies were included in the final analysis: most were quantitative, secondary analyses or cross-sectional studies with convenience samples, and focused on people with a history of breast or prostate cancer. Differences between sexual minority men and women in terms of coping and resilience were noted. Few studies reported on experiences of transgender persons and none reported on experiences of intersex persons. CONCLUSIONS A growing literature describes the patient-reported health outcomes of SGM people with a history of cancer. This study summarizes important between-group differences among SGM and heterosexual, cisgender counterparts that are critical for clinicians to consider when providing care. IMPLICATIONS FOR CANCER SURVIVORS Sexual orientation and gender identity are relevant to cancer survivors' health outcomes. Subgroups of SGM people have differential experiences and outcomes related to cancer and its impacts.
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Affiliation(s)
- Mandi L. Pratt-Chapman
- The George Washington University, School of Medicine and Health Sciences, Washington, DC USA
- The GW Cancer Center, The George Washington University, 2600 Virginia Avenue, Suite #324, Washington, DC 20037 USA
| | - Ash B. Alpert
- Wilmot Cancer Institute, Division of Hematology and Medical Oncology, Department of Medicine, University of Rochester Medical Center, Rochester, USA
| | - Daniel A. Castillo
- Edward G. Miner Library, University of Rochester Medical Center, Rochester, USA
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14
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Abstract
PURPOSE Cancer research on sexual and gender minority (SGM) populations is gaining momentum. The purpose of this systematic review was to examine what is currently known in the research literature regarding patient-reported health outcomes after cancer treatment among SGM populations. METHODS In March 2021, a medical librarian conducted a systematic keyword search on PubMed, Embase, Scopus, Web of Science, PsycINFO, ClinicalTrials.gov , and the Cochrane Central Register of Controlled Trials. The primary inclusion criterion was assessment of at least one physical, psychosocial, emotional, or functional patient-reported health outcome related to the impacts of cancer diagnosis and/or treatment. Articles that met inclusion criteria were reviewed in their entirety, charted in a Word Table, and assessed for quality. Quality considerations included study design, sampling approach, diversity of sample, measures used, and analytic procedures. Studies were synthesized based on type of cancer study participants experienced. RESULTS Sixty-four studies were included in the final analysis: most were quantitative, secondary analyses or cross-sectional studies with convenience samples, and focused on people with a history of breast or prostate cancer. Differences between sexual minority men and women in terms of coping and resilience were noted. Few studies reported on experiences of transgender persons and none reported on experiences of intersex persons. CONCLUSIONS A growing literature describes the patient-reported health outcomes of SGM people with a history of cancer. This study summarizes important between-group differences among SGM and heterosexual, cisgender counterparts that are critical for clinicians to consider when providing care. IMPLICATIONS FOR CANCER SURVIVORS Sexual orientation and gender identity are relevant to cancer survivors' health outcomes. Subgroups of SGM people have differential experiences and outcomes related to cancer and its impacts.
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Affiliation(s)
- Mandi L Pratt-Chapman
- The George Washington University, School of Medicine and Health Sciences, Washington, DC, USA. .,The GW Cancer Center, The George Washington University, 2600 Virginia Avenue, Suite #324, Washington, DC, 20037, USA.
| | - Ash B Alpert
- Wilmot Cancer Institute, Division of Hematology and Medical Oncology, Department of Medicine, University of Rochester Medical Center, Rochester, USA
| | - Daniel A Castillo
- Edward G. Miner Library, University of Rochester Medical Center, Rochester, USA
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15
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Psychological Resilience, Metacognitions, and Fear of Recurrence Among Cancer Survivors and Family Caregivers. Cancer Nurs 2021; 45:E454-E462. [PMID: 34120129 DOI: 10.1097/ncc.0000000000000973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Cancer is a life crisis that can have devastating consequences not only on the affected individual but also on his/her caregivers. OBJECTIVE The aim of this study was to investigate the influence of psychological resilience and metacognitions of cancer survivors and their family caregivers (FCs) on fear of recurrence (FoR). METHODS This study used a cross-sectional design while adhering to the STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) guidelines. Data were collected from 112 cancer survivors and 112 FCs recruited from 5 oncology hospitals. RESULTS The cancer survivors and caregivers reported low levels of psychological resilience, which we found to be correlated with great fear of recurrence in cancer survivors and FCs. It was also in relation with metacognitions in cancer survivors and FCs.The findings showed that psychological resilience negatively predicted the fear of recurrence, whereas the metacognitions positively predicted the fear of recurrence in cancer survivors and FCs. The total effects of psychological resilience on the FoR in cancer survivors and FCs were 0.920 (confidence interval [CI], -2.059 to 0.072) and 0.061 (CI, -0.475 to 0.474), respectively. The total effects of metacognition on the FoR in cancer survivors and FCs were 1.164 (CI, 0.217-2.371) and 0.486 (CI, 0.016-1.058), respectively. CONCLUSIONS The findings underline the direct and indirect mediating role of psychological resilience and metacognition of cancer survivors and FCs on FoR. IMPLICATION FOR PRACTICE The findings are particularly important to oncology nurses, who as 24-hour care providers are important sources of psychosocial care. Their awareness of factors influencing FoR is critical for achieving positive outcomes.
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16
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Thompson T, Heiden-Rootes K, Joseph M, Gilmore LA, Johnson L, Proulx CM, Albright EL, Brown M, McElroy JA. The support that partners or caregivers provide sexual minority women who have cancer: A systematic review. Soc Sci Med 2020; 261:113214. [PMID: 32738634 PMCID: PMC8171311 DOI: 10.1016/j.socscimed.2020.113214] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 06/22/2020] [Accepted: 07/10/2020] [Indexed: 12/31/2022]
Abstract
RATIONALE Intimate partners and other informal caregivers provide unpaid tangible, emotional, and decision-making support for patients with cancer, but relatively little research has investigated the cancer experiences of sexual minority women (SMW) with cancer and their partners/caregivers. OBJECTIVE This review addressed 4 central questions: 1) What social support do SMW with cancer receive from partners/caregivers? 2) What effect does cancer have on intimate partnerships or caregiving relationships of SMW with cancer? 3) What effects does cancer have on partners/caregivers of SMW with cancer? 4) What interventions exist to support partners/caregivers of SMW or to strengthen the patient-caregiver relationship? METHOD This systematic review, conducted in 2018 and updated in 2020, was based on Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Two independent coders screened abstracts and articles. RESULTS In total, 550 unique records were screened; 42 articles were assessed for eligibility, and 18 were included in a qualitative synthesis. Most studies were U.S.-based, involved breast cancer, included intimate partners, had primarily white/Caucasian samples, and were cross-sectional. Sexual minority female participants reported that partners/caregivers often provide important social support, including emotional support, decision-making support, and tangible support. Effects of cancer on relationships with partners/caregivers were mixed, with some studies finding relationships remained stable and others finding cancer either increased closeness or disrupted relationships. Participants reported partners/caregivers often experience distress and may experience discrimination, discomfort disclosing sexual orientation, and a lack of sexual minority-friendly services. No studies involved an intervention targeting partners/caregivers or the dyadic relationship. CONCLUSIONS More work is needed to understand SMW with cancers other than breast cancer, and future work should include more racially, ethnically, and economically diverse samples. Longitudinal research will allow an examination of patterns of mutual influence and change in relationships. These steps will enable the development of interventions to support SMW with cancer and people close to them.
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17
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Lebel S, Mutsaers B, Tomei C, Leclair CS, Jones G, Petricone-Westwood D, Rutkowski N, Ta V, Trudel G, Laflamme SZ, Lavigne AA, Dinkel A. Health anxiety and illness-related fears across diverse chronic illnesses: A systematic review on conceptualization, measurement, prevalence, course, and correlates. PLoS One 2020; 15:e0234124. [PMID: 32716932 PMCID: PMC7384626 DOI: 10.1371/journal.pone.0234124] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 05/19/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Patients with chronic diseases commonly report fears of illness or symptoms recurring or worsening. These fears have been addressed from an illness-specific perspective (e.g., fear of cancer recurrence), a generic illness perspective (e.g., fear of progression), and a psychiatric perspective (DSM-5 illness anxiety disorder and somatic symptom disorder). The broader concept of health anxiety (HA) can also be applied to patients with a chronic disease. This review was conducted to investigate the conceptual, theoretical, measurement-overlap, and differences between these distinct perspectives. We also aimed to summarize prevalence, course, and correlates of these fears in different chronic illnesses. METHODS We used PsycINFO, PubMED, CINAHL, Web of Science, SCOPUS, and PSYNDEX to conduct a systematic review of studies pertaining to these fears in chronic illness published from January 1996 to October 2017. A total of 401 articles were retained. RESULTS There were commonalities across different conceptualizations and diseases: a high prevalence of clinical levels of fears (>20%), a stable course over time, and a deleterious impact on quality of life. Reviewed studies used definitions, models, and measures that were illness-specific, with only a minority employing a psychiatric perspective, limiting cross-disease generalizability. There appears to be some applicability of DSM-5 disorders to the experience of fear of illness/symptoms in patients with a chronic illness. While conceptualizing HA on a continuum ranging from mild and transient to severe may be appropriate, there is a lack of agreement about when the level of fear becomes 'excessive.' The definitions, models, and measures of HA across chronic illnesses involve affective, cognitive, behavioral, and perceptual features. CONCLUSIONS The concept of HA may offer a unifying conceptual perspective on the fears of illness/symptoms worsening or returning commonly experienced by those with chronic disease.
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Affiliation(s)
- Sophie Lebel
- School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Christina Tomei
- School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Georden Jones
- School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Nicole Rutkowski
- School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
| | - Viviane Ta
- School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
| | - Geneviève Trudel
- School of Psychology, University of Ottawa, Ottawa, Ontario, Canada
| | | | | | - Andreas Dinkel
- Department of Psychosomatic Medicine and Psychotherapy, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
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18
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Wroot H, Afzal AR, Forbes C, Russell KB, Trepanier L, Patton M, Fidler-Benaoudia M, Reynolds K, Schulte F. Fear of cancer recurrence among survivors of childhood cancer. Psychooncology 2020; 29:1132-1140. [PMID: 32281171 DOI: 10.1002/pon.5387] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 03/09/2020] [Accepted: 03/30/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Fear of cancer recurrence (FCR) has not been widely explored in survivors of childhood cancer. Yet, childhood survivors are at risk of experiencing late effects and may be especially vulnerable. The aims of the current study were to conduct a retrospective chart review to determine the prevalence and persistence of FCR among survivors of childhood cancer and to examine factors that may be related to FCR. METHODS Survivors of childhood cancer (n = 228, mean attained age = 14.5 years [range = 4.7-21 years]; mean diagnosis age = 4.4 years [range = 0-16.5 years]; mean time off treatment = 8.7 years [range = 2.8-19.3 years]) seen in a Long-Term Survivor Clinic (LTSC) completed questionnaires at each clinic visit detailing their current health. FCR was measured with a single item. Data from questionnaires from 2011 to 2018 were analyzed retrospectively. Descriptive statistics and a random effects model were used to address study aims. RESULTS FCR was reported in 43% (n = 98) of survivors at least once across all clinic visits. Among survivors reporting FCR at least once, 66% were diagnosed with cancer under the age of 5, and 64% were 13 years or older at their most recent follow-up. Twenty-one percent of survivors (n = 48/224) reported FCR during at least 50% of their visits. Survivors with a higher number of depressive symptoms were more likely to report FCR (OR = 1.66, P = .03). CONCLUSIONS FCR is prevalent among survivors of childhood cancer and is related to other health concerns. Research is needed to understand who is at risk and how to.
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Affiliation(s)
- Hayley Wroot
- Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Arfan R Afzal
- Department of Surveillance and Reporting, Alberta Health Services, Calgary, Alberta, Canada
| | - Caitlin Forbes
- Department of Oncology, Division of Psychosocial Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Hematology, Oncology, Transplant Program, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - K Brooke Russell
- Department of Psychology, University of Calgary, Calgary, Alberta, Canada
| | - Lindsey Trepanier
- Department of Oncology, Division of Psychosocial Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Hematology, Oncology, Transplant Program, Alberta Children's Hospital, Calgary, Alberta, Canada
| | - Michaela Patton
- Department of Psychology, University of Calgary, Calgary, Alberta, Canada
| | - Miranda Fidler-Benaoudia
- Department of Cancer Epidemiology and Prevention Research, Alberta Health Services, Calgary, Alberta, Canada.,Department of Community Health Sciences, Cumming School of Medicine, Calgary, Alberta, Canada
| | - Kathleen Reynolds
- Hematology, Oncology, Transplant Program, Alberta Children's Hospital, Calgary, Alberta, Canada.,Department of Family Medicine, Cumming School of Medicine, University of Calgary, Alberta, Canada
| | - Fiona Schulte
- Department of Oncology, Division of Psychosocial Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Hematology, Oncology, Transplant Program, Alberta Children's Hospital, Calgary, Alberta, Canada
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19
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Takeuchi E, Kim Y, Shaffer KM, Cannady RS, Carver CS. Fear of cancer recurrence promotes cancer screening behaviors among family caregivers of cancer survivors. Cancer 2020; 126:1784-1792. [PMID: 31913499 DOI: 10.1002/cncr.32701] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 11/10/2022]
Abstract
BACKGROUND Fear of cancer recurrence (FCR) has been associated with cancer screening behaviors among cancer survivors, but to the authors' knowledge, the question of whether the same is true for caregivers is unknown. The current study investigated the extent to which FCR among caregivers predicted their cancer screening behaviors years after their relatives' cancer diagnosis. METHODS A total of 813 caregivers (67% of whom were female, mean age of 56 years, and 92% non-Hispanic white) completed surveys 2 years (T1) and 8 years (T2) after their patients' cancer diagnosis. FCR, anxiety (Profile of Mood States-Short Form [POMS-SF]), and general mental health (Medical Outcomes Study 36-Item Short-Form Health Survey [MOS SF-36]) were reported at T1; caregivers' engagement in screening for colorectal, breast, and prostate cancers because of the patients' diagnoses were reported at T2. RESULTS Caregivers were found to engage in cancer screening at rates similar to those of the national average. Controlling for covariates, hierarchical logistic regression modeling for each type of cancer screening demonstrated that greater FCR was linearly related to a higher likelihood of undergoing colorectal cancer screening (odds ratio [OR], 1.15) and maintaining prostate cancer screening (OR, 1.34), but a lower likelihood of maintaining breast cancer screening in an age-appropriate manner (OR, 0.27). Examining curvilinear effects demonstrated that moderate levels of FCR were associated with a higher likelihood of maintaining age-appropriate colorectal cancer screening (OR, 1.48). CONCLUSIONS The overall FCR among caregivers uniquely promotes their engagement in cancer screening behaviors. The role of caregivers' FCR in other types of cancer preventive behaviors and ways to channel FCR concerns into promoting healthy lifestyle behaviors should be investigated.
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Affiliation(s)
- Emi Takeuchi
- Department of Psychology, University of Miami, Coral Gables, Florida.,Graduate School of Medicine, Keio University, Tokyo, Japan.,Center for Cancer Control and Information Service, National Cancer Center Japan, Tokyo, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Youngmee Kim
- Department of Psychology, University of Miami, Coral Gables, Florida
| | - Kelly M Shaffer
- Center for Behavioral Health and Technology, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Rachel S Cannady
- Cancer Caregiver Support, American Cancer Society, Atlanta, Georgia
| | - Charles S Carver
- Department of Psychology, University of Miami, Coral Gables, Florida
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20
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Dyadic quality of life among heterosexual and sexual minority breast cancer survivors and their caregivers. Support Care Cancer 2019; 28:2769-2778. [PMID: 31724075 DOI: 10.1007/s00520-019-05148-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 10/24/2019] [Indexed: 01/23/2023]
Abstract
PURPOSE The number of informal caregivers to cancer survivors is increasing, and limited information is available about caregivers to sexual minority breast cancer survivors. The purpose of this study was to assess dyadic quality of life among sexual minority cancer survivors and their caregivers compared with heterosexual cancer survivors and their caregivers. METHODS We recruited 167 survivors of non-metastatic breast cancer of different sexual orientations and their caregivers, who were surveyed via telephone after obtaining consent. We used inverse propensity score weighting to account for differences by sexual orientation in age and length of the survivor-caregiver relationship, and simultaneous equation models consistent with the needs for analyzing dyadic data. RESULTS About 6-7 years after diagnosis, survivors and caregivers reported quality of life scores consistent with population norms, and there were no differences by survivors' sexual orientation. With few exceptions, caregivers' and survivors' quality of life influenced one another directly, and these effects were stronger among sexual minority dyads than heterosexual dyads. CONCLUSIONS Because of the strength of sexual minority, survivors' and their caregivers' mutual influence on each other's quality of life, interventions, and clinical care for sexual minority breast cancer survivors should consider their caregivers.
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21
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Kent EE, Wheldon CW, Smith AW, Srinivasan S, Geiger AM. Care delivery, patient experiences, and health outcomes among sexual and gender minority patients with cancer and survivors: A scoping review. Cancer 2019; 125:4371-4379. [PMID: 31593319 DOI: 10.1002/cncr.32388] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 05/22/2019] [Accepted: 05/23/2019] [Indexed: 11/07/2022]
Abstract
Sexual and gender minorities (SGMs) face a disproportionate burden of cancer, yet little is known about the experiences and specific needs of these underserved populations in cancer care delivery. The authors conducted a scoping review to characterize the literature on cancer care delivery, health outcomes, and health care experiences for patients with cancer and survivors identifying as SGM. In total, 1176 peer-reviewed citations were identified after a systematic search of the PubMed/Medline, PsycInfo, Cumulative Index of Nursing and Allied Health Literature (CINAHL), and Web of Sciences databases without restriction on publication date. The details captured included study aims, design, population, cancer site, and main findings. Thirty-seven studies published from 1998 to 2017 met the study criteria. Most studies were conducted in the post-treatment survivorship phase of the continuum (n = 30), and breast cancer was the most common cancer site (n = 20). There were only 2 intervention studies. The studies reviewed were classified under the following areas of focus: 1) disclosure of sexual orientation and gender identity, 2) quality of care, 3) psychosocial impact of/ adjustment to cancer, 4) social support, 5) sexual functioning, and 6) health risks/health behavior. Very little research reported an assessment of gender minority status or included a focus on gender minorities (n = 7). This review revealed substantial research gaps given a lack of population-based data and small sample sizes, likely related to the absence of systematic collection of sexual orientation and gender identity information in the cancer care context. Deficient research in this area likely perpetuates health disparities. Further research is needed to identify and remove the barriers to delivering high-quality care to SGM individuals with cancer.
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Affiliation(s)
- Erin E Kent
- Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, Maryland
- ICF, Inc, Fairfax, Virginia
| | - Christopher W Wheldon
- Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, Maryland
| | - Ashley Wilder Smith
- Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, Maryland
| | - Shobha Srinivasan
- Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, Maryland
| | - Ann M Geiger
- Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, Maryland
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22
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Impact of informal cancer caregiving across the cancer experience: A systematic literature review of quality of life. Palliat Support Care 2019; 18:220-240. [DOI: 10.1017/s1478951519000622] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractObjectiveInformal caregiving may likely increase as the number of cancer survivors grows. Caregiving responsibilities can impact caregivers’ quality of life (QOL). Understanding the current state of the science regarding caregiving QOL could help inform future research and intervention development.MethodsA systematic literature review in PubMed/Medline examined research on QOL among informal cancer caregivers and related psychosocial health outcomes. Original research articles in English, published between 2007 and 2017 about caregivers (aged >18 years) of adult cancer patients in the United States were included. Abstracted articles were categorized according to caregiving recipient's phase of survivorship (acute, middle to long-term, end of life/bereavement).ResultsOf 920 articles abstracted, 60 met inclusion criteria. Mean caregiver age ranged from 37 to 68 with the majority being female, non-Hispanic white, with at least a high school degree, and middle income. Almost half of the studies focused on caregivers who provided care for survivors from diagnosis through the end of active treatment. Studies examined physical health, spirituality, psychological distress, and social support. Differences in QOL were noted by caregiver age, sex, and employment status.Significance of ResultsAdditional research includes the examination of the needs of diverse cancer caregivers and determines how additional caregiver characteristics (e.g., physical functioning, financial burden, etc.) affect QOL. This includes studies examining caregiver QOL in the phases following the cessation of active treatment and assessments of health systems, support services, and insurance to determine barriers and facilitators needed to meet the immediate and long-term needs of cancer caregivers.
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23
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Soriano EC, Perndorfer C, Siegel SD, Laurenceau JP. Threat sensitivity and fear of cancer recurrence: a daily diary study of reactivity and recovery as patients and spouses face the first mammogram post-diagnosis. J Psychosoc Oncol 2019; 37:131-144. [PMID: 30590993 PMCID: PMC6476641 DOI: 10.1080/07347332.2018.1535532] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
OBJECTIVES Fear of cancer recurrence (FCR) is a top concern of breast cancer (BC) survivors and their spouses, yet little is known about responses to FCR triggers in daily life. We examined whether a biologically based individual difference-threat sensitivity-predicted FCR in couples facing the first post-diagnosis mammogram (MMG). We hypothesized that threat sensitivity would predict greater FCR reactivity before the MMG and higher peak FCR on the MMG day, controlling for global anxiety. We also explored the link between threat sensitivity and FCR recovery after MMG. DESIGN AND SAMPLE Fifty-seven early-stage BC patients and their spouses completed cross-sectional measures of threat sensitivity and global anxiety. Couples then reported daily FCR during a 3-week diary period that began 2 weeks before the patient's MMG appointment. METHODS Multilevel actor-partner interdependence modeling was used to estimate within-person random slopes of FCR before (reactivity) and after (recovery) the MMG. Random intercepts captured individual differences in peak FCR on the MMG day. Patient and spouse threat sensitivity and anxiety were entered as predictors of reactivity, peak, and recovery. FINDINGS FCR increased leading to MMG; however, inconsistent with hypotheses, this reactivity was not significantly predicted by threat sensitivity. Actor, but not partner, effects for peak FCR emerged, such that patients and spouses with greater threat sensitivity had greater FCR on the MMG day. FCR decreased after the MMG, and spouse, but not patient, threat sensitivity predicted slower recovery for both partners. CONCLUSIONS Findings lend preliminary support for the role of threat sensitivity in the experience of FCR as couples confront threatening events in BC survivorship. Implications for psychosocial providers: MMGs can be a triggering event for couples. Threat sensitivity may help identify those who are likely to experience elevations in FCR during this stressful period.
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Affiliation(s)
| | | | - Scott D Siegel
- b Helen F. Graham Cancer Center and Research Institute, Newark , Delaware , USA
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Boehmer U, Stokes JE, Bazzi AR, Winter M, Clark MA. Dyadic stress of breast cancer survivors and their caregivers: Are there differences by sexual orientation? Psychooncology 2018; 27:2389-2397. [PMID: 29959808 DOI: 10.1002/pon.4836] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 06/12/2018] [Accepted: 06/21/2018] [Indexed: 11/08/2022]
Abstract
OBJECTIVE The objective of the study is to assess dyadic stress among sexual minority cancer survivor and caregivers compared to heterosexual cancer survivors and their caregivers. METHODS We recruited 167 survivors of nonmetastatic breast cancer of different sexual orientations and their caregivers, who were interviewed via telephone after obtaining consent. We used inverse propensity score weighting to account for differences by sexual orientation in age and length of the survivor-caregiver relationship and simultaneous equation models consistent with the needs for analyzing dyadic data. RESULTS Survivors and caregivers reported stress levels consistent with population norms, irrespective of survivors' sexual orientation. Accounting for covariates, survivors' and caregivers' stress did not mutually influence one another overall. However, differences by sexual orientation were noted such that caregivers' stress was influential for sexual minority survivors' stress, but not for heterosexual survivors' stress. CONCLUSIONS Careful consideration should be given to caregivers of sexual minority survivors, an underserved group for whom currently no interventions exist.
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Affiliation(s)
- Ulrike Boehmer
- Department of Community Health Sciences, Boston University School of Public Health, Boston, MA, USA
| | - Jeffrey E Stokes
- Department of Sociology and Anthropology, Illinois State University, Normal, IL, USA
| | - Angela R Bazzi
- Department of Community Health Sciences, Boston University School of Public Health, Boston, MA, USA
| | - Michael Winter
- Biostatistics and Epidemiology Data Analytics Center, Boston University School of Public Health, Boston, MA, USA
| | - Melissa A Clark
- Department of Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, MA, USA
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Bazzi AR, Clark MA, Winter MR, Ozonoff A, Boehmer U. Resilience Among Breast Cancer Survivors of Different Sexual Orientations. LGBT Health 2018; 5:295-302. [PMID: 29878863 DOI: 10.1089/lgbt.2018.0019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
PURPOSE Resilience could help protect the psychosocial wellbeing of sexual minority women (SMW) experiencing stressors from both breast cancer and sexual minority status; however, little research has assessed resilience among breast cancer survivors of different sexual orientations. METHODS From 2011 to 2012, we surveyed a national sample of breast cancer survivors matched on sexual orientation, age, and cancer status. RESULTS Among heterosexual (n = 339) and sexual minority (n = 201) breast cancer survivors (n = 540 overall), multivariable regression analyses revealed that more social support (coefficient: 0.87; 95% confidence interval [CI]: 0.56-1.19), fighting spirit combined with helplessness/hopelessness (coefficient: 0.30; 95% CI: 0.13-0.47), and fatalism (coefficient: 0.40; 95% CI: 0.14-0.65) were associated with greater resilience. Mental health counseling before breast cancer diagnosis and anxious preoccupation following cancer diagnosis were associated with reduced resilience (coefficient: -2.50; 95% CI: -3.83 to -1.18; and -0.46; 95% CI: -0.60 to -0.32). Although sexual orientation was not independently associated with resilience, among SMW, those who were unemployed had reduced resilience compared with those who were employed (coefficient: -3.52; 95% CI: -5.75 to -1.28), whereas there was no association between employment and resilience among heterosexual women. CONCLUSION These findings suggest that social support and other factors associated with resilience could be leveraged by interventions to improve the health and wellbeing of diverse cancer survivors.
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Affiliation(s)
- Angela R Bazzi
- 1 Department of Community Health Sciences, Boston University School of Public Health , Boston, Massachusetts
| | - Melissa A Clark
- 2 Department of Quantitative Health Sciences, University of Massachusetts Medical School , Shrewsbury, Massachusetts
| | - Michael R Winter
- 3 Data Coordinating Center, Boston University School of Public Health , Boston, Massachusetts
| | - Al Ozonoff
- 4 Center for Patient Safety and Quality Research, Boston Children's Hospital , Boston, Massachusetts.,5 Department of Pediatrics, Harvard Medical School , Boston, Massachusetts
| | - Ulrike Boehmer
- 1 Department of Community Health Sciences, Boston University School of Public Health , Boston, Massachusetts
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Current directions in research and treatment of fear of cancer recurrence. Curr Opin Support Palliat Care 2018; 11:191-196. [PMID: 28665813 DOI: 10.1097/spc.0000000000000288] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW An expert meeting in Ottawa in 2015 galvanized efforts to answer key questions relevant to the understanding and management of fear of cancer recurrence (FCR). The aim of this review is to summarize key developments. RECENT FINDINGS A consensus on the definition of FCR has helped to further research in this area. There have been a number of theories put forward to account for the development of FCR, all of which share key components. Importantly, a number of important trials have been published that confirm both brief and more intensive interventions can successfully treat FCR. SUMMARY The consensus definition of FCR is an important development, as is the development of treatments for FCR. There are now evidence-based options for the management of patients with clinical levels of FCR. Future research priorities include determining the optimal cut-off points for identifying clinically significant FCR, testing the major tenets of the recent theoretical formulations of FCR; and determining the relative efficacy and cost-effectiveness of different treatment approaches for managing FCR.
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Bazzi AR, Clark MA, Winter M, Tripodis Y, Boehmer U. Recruitment of breast cancer survivors and their caregivers: implications for dyad research and practice. Transl Behav Med 2018; 7:300-308. [PMID: 27154790 DOI: 10.1007/s13142-016-0400-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Breast cancer survivors' informal caregivers experience adverse health outcomes and could benefit from interventions. Studies of caregivers' participation in research, to date, have assumed heterosexuality. The aim of this study is to identify factors associated with caregiver participation among survivors with diversity in sexual orientation. We recruited breast cancer survivors into a telephone survey and asked them to invite a caregiver. Logistic regression identified factors associated with caregivers' participation. Among 297 survivors, 12 (4 %) had no caregivers, 82 (28 %) refused to provide caregiver information, 203 (68 %) provided caregiver contact, and 167 (56 %) had caregivers participate. Caregiver participation was more likely among sexual minority than heterosexual survivors (aOR: 1.89; 95 % CI: 1.08, 3.32), dyads with higher cohesion, and among caregivers who were partners. Caregiver participation was less likely among survivors with lower education and higher comorbidity. Findings provide insight into recruitment of diverse dyads into cancer survivorship research that will ultimately inform intervention design.
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Affiliation(s)
- Angela Robertson Bazzi
- Department of Community Health Sciences, Boston University School of Public Health, 801 Massachusetts Avenue, Crosstown Center, Boston, MA, 02118, USA
| | - Melissa A Clark
- Warren Alpert School of Medicine and School of Public Health, Brown University, Providence, RI, USA
| | - Michael Winter
- Data Coordinating Center, Boston University School of Public Health, Boston, MA, USA
| | - Yorghos Tripodis
- Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
| | - Ulrike Boehmer
- Department of Community Health Sciences, Boston University School of Public Health, 801 Massachusetts Avenue, Crosstown Center, Boston, MA, 02118, USA.
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Yang Y, Wen Y, Bedi C, Humphris G. The relationship between cancer patient's fear of recurrence and chemotherapy: A systematic review and meta-analysis. J Psychosom Res 2017; 98:55-63. [PMID: 28554373 DOI: 10.1016/j.jpsychores.2017.05.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 05/01/2017] [Accepted: 05/03/2017] [Indexed: 01/01/2023]
Abstract
OBJECTIVE The study aim was to provide an overview of the current evidence available on the link between chemotherapy (CTX) and fear of cancer recurrence (FoR). METHODS PubMED, Medline, Embase, PsycINFO and Web of Science databases were searched to identify relevant studies. Two authors independently selected and assessed the studies regarding eligibility criteria. Meta-analysis of suitable studies was conducted, and quality rated. RESULTS Forty eligible studies were included in the systematic review and twenty-nine of them were included in further meta-analysis. Meta-analysis of the available data confirmed a weak relationship between CTX and FoR (29 studies, 30,176 patients, overall r=0.093, 95% CI: 0.062, 0.123, P˂0.001). CONCLUSIONS The meta-analysis demonstrates a weak but significant relationship between cancer patient's FoR and the receipt of chemotherapy. However, these results should be interpreted with caution. Further investigation is warranted to explore possible mechanisms of FoR increase in patients who receive chemotherapy. Longitudinal studies assessing the trajectory of FoR during chemotherapy are also warranted.
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Affiliation(s)
- Yuan Yang
- Department of Psychiatry and Psychology, Southern Medical University Nanfang Hospital, Guangzhou, Guangdong, China
| | - Yunhong Wen
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
| | - Carolyn Bedi
- Edinburgh Cancer Centre, Western General Hospital, Edinburgh, UK
| | - Gerry Humphris
- Edinburgh Cancer Centre, Western General Hospital, Edinburgh, UK; School of Medicine, University of St Andrews, St Andrews, UK.
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