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Çakmak S, Nural N. Efficacy of Propolis in the Prevention of Oral Mucositis in Patients Undergoing High-Dose Chemotherapy: A Randomized Controlled Trial. Cancer Nurs 2024; 47:E255-E268. [PMID: 36867027 DOI: 10.1097/ncc.0000000000001212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
BACKGROUND Oral mucositis is one of the most common symptoms in adults with a hematological cancer who are receiving high-dose chemotherapy. Propolis is a complementary and alternative method used to prevent oral mucositis in these patients. OBJECTIVE The aim of this study was to determine the efficacy of propolis in the prevention of oral mucositis in patients receiving high-dose chemotherapy and/or hematopoietic stem cell transplantation. METHODS A total of 64 patients, 32 in the propolis group and 32 in the control group, were enrolled in this prospective randomized controlled experimental study. Whereas the standard oral care treatment protocol was administered to the control group, aqueous propolis extract was applied to the propolis intervention group in addition to the standard oral care treatment protocol. Data collection forms included a Descriptive Information Form, the Karnofsky Performance Scale, the Cumulative Illness Rating Scale-Geriatric, Patient Follow-up Form, the World Health Organization Oral Toxicity Scale, and the National Cancer Institute Common Terminology Criteria for Adverse Events. RESULTS The incidence and duration of oral mucositis were statistically significantly lower in the propolis intervention group than the control group, and the onset of oral mucositis and grade 2 to 3 oral mucositis occurred later ( P < .05). CONCLUSION Propolis mouthwash combined with standard oral care treatment delayed the onset of oral mucositis and decreased its incidence and the number of days it lasted. IMPLICATIONS FOR PRACTICE Mouthwash with propolis can be used as a nursing intervention to decrease oral mucositis and its symptoms in hematological cancer patients receiving high-dose chemotherapy.
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Affiliation(s)
- Seher Çakmak
- Author Affiliations: Department of Internal Medicine Nursing, Faculty of Health Sciences, Gümüşhane University, Gümüşhane (Dr Çakmak); and Department of Internal Medicine Nursing, Faculty of Health Sciences, Karadeniz Technical University, Trabzon, Turkey (Dr Nural)
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Chen J, Mark S, Mackin L, Paul SM, Cooper BA, Hammer MJ, Conley YP, Levine JD, Miaskowski C. Increased Stress Is Associated With Severe Pain and Decrements in Cognitive Function in Patients Receiving Chemotherapy. Semin Oncol Nurs 2024; 40:151577. [PMID: 38245388 DOI: 10.1016/j.soncn.2023.151577] [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: 05/30/2023] [Revised: 11/18/2023] [Accepted: 12/20/2023] [Indexed: 01/22/2024]
Abstract
OBJECTIVES Purposes were to identify subgroups of adult oncology patients (n = 1342) with distinct joint profiles of worst pain and cognitive function (CF) and evaluate for differences in demographic and clinical characteristics, as well as the severity of three distinct types of stress, resilience, and coping. DATA SOURCES Measures of pain and CF were evaluated six times over two cycles of chemotherapy. The other measures of demographic and clinical characteristics, stress, resilience, and coping were completed at enrollment (ie, prior to the second or third cycle of chemotherapy). RESULTS Using latent profile analysis, four distinct profiles were identified (ie, no pain + moderate CF [27.6%], moderate pain + high CF [22.4%] moderate pain and moderate CF [32.4%, both moderate], severe pain and low CF [17.5%, both severe]). Both moderate and both severe classes reported higher global, cancer-specific, and cumulative life stress, lower levels of resilience, and greater use of disengagement coping strategies. The Both severe class had higher occurrence rates for a number of adverse childhood experiences (ie, family violence in childhood, physical abuse at <16 years, forced sex at <16 years). Risk factors associated with membership in the two worst profiles included: being female, having a lower annual income, having a higher comorbidity burden, and having a poorer functional status. CONCLUSION Findings suggest that 72.4% of the patients reported pain scores in the moderate to severe range and 77.6% reported low to moderate levels of CF. Clinicians need to assess for both symptoms and various types of stress on a routine basis.
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Affiliation(s)
- Jacqueline Chen
- School of Nursing, University of California, San Francisco, CA
| | - Sueann Mark
- School of Nursing, University of California, San Francisco, CA
| | - Lynda Mackin
- School of Nursing, University of California, San Francisco, CA
| | - Steven M Paul
- School of Nursing, University of California, San Francisco, CA
| | - Bruce A Cooper
- School of Nursing, University of California, San Francisco, CA
| | | | | | - Jon D Levine
- School of Medicine, University of California, San Francisco, CA
| | - Christine Miaskowski
- School of Nursing, University of California, San Francisco, CA; School of Medicine, University of California, San Francisco, CA.
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Shin J, Kober K, Yates P, Wong ML, Cooper BA, Paul SM, Hammer M, Conley Y, Levine JD, Wright F, Miaskowski C. Higher Lifetime Stress and Symptom Burden Contribute to the Occurrence of Shortness of Breath. Semin Oncol Nurs 2023; 39:151471. [PMID: 37500312 DOI: 10.1016/j.soncn.2023.151471] [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: 12/29/2022] [Revised: 06/10/2023] [Accepted: 06/21/2023] [Indexed: 07/29/2023]
Abstract
OBJECTIVES Among four classes of patients with distinct shortness of breath profiles, evaluate for differences in levels of global, cancer-specific, and cumulative life stress, as well as resilience; evaluate for differences in the occurrence rates for various stressful life events, and evaluate for differences in the severity of common co-occurring symptoms. DATA SOURCES Outpatients (N = 1338) completed questionnaires six times over two cycles of chemotherapy. The occurrence of shortness of breath was assessed using the Memorial Symptom Assessment Scale. Latent class analysis was used to identify subgroups of patients with distinct shortness of breath profiles. Differences among the classes were evaluated using parametric and nonparametric tests. CONCLUSION Shortness of breath classes were labeled based on their distinct occurrence trajectories: None (70.5%), Decreasing (8.2%), Increasing (7.8%), and High (13.5%). Compared to None class, Decreasing and High classes had higher global and cancer-specific stress scores. The High class reported higher occurrence rates for several adverse childhood experiences. Compared to None class, Decreasing and High classes had higher depression, anxiety, and morning fatigue scores and lower morning energy and cognitive function scores. IMPLICATIONS FOR NURSING PRACTICE Given the additive or synergistic relationships between stress, co-occurring symptoms, and shortness of breath, multimodal interventions that include stress management, exercise training, and/or symptom management may decrease shortness of breath in oncology patients.
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Affiliation(s)
- Joosun Shin
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California
| | - Kord Kober
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California
| | - Patsy Yates
- Cancer & Palliative Outcomes Centre, Centre for Health Transformation, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Melisa L Wong
- Department of Medicine, School of Medicine, University of California, San Francisco, California
| | - Bruce A Cooper
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California
| | - Steven M Paul
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California
| | - Marilyn Hammer
- The Phyllis F. Cantor Center for Research in Nursing and Patient Care Services, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Yvette Conley
- Department of Health Promotion and Development, School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Jon D Levine
- Department of Medicine, School of Medicine, University of California, San Francisco, California
| | - Fay Wright
- Rory Meyers College of Nursing, New York University, New York, New York
| | - Christine Miaskowski
- Departments of Physiological Nursing and Anesthesia, School of Nursing and School of Medicine, University of California, San Francisco, California.
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Singh K, Pituch K, Zhu Q, Gu H, Ernst B, Tofthagen C, Brewer M, Kober KM, Cooper BA, Paul SM, Conley YP, Hammer M, Levine JD, Miaskowski C. Distinct Nausea Profiles Are Associated With Gastrointestinal Symptoms in Oncology Patients Receiving Chemotherapy. Cancer Nurs 2023; 46:92-102. [PMID: 35671438 PMCID: PMC9437145 DOI: 10.1097/ncc.0000000000001076] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Unrelieved chemotherapy-induced nausea (CIN) occurs 48% of patients undergoing chemotherapy and is one of the most debilitating symptoms that patients report. OBJECTIVE The aims of this study were to identify subgroups of patients with distinct CIN profiles and determine how these subgroups differed on demographic and clinical characteristics; severity, frequency, and distress of CIN; and the co-occurrence of common gastrointestinal symptoms. METHODS Patients (n = 1343) completed demographic questionnaire and Memorial Symptom Assessment Scale 6 times over 2 cycles of chemotherapy. Latent class analysis was used to identify subgroups of patients with distinct CIN profiles. Differences among these subgroups were evaluated using parametric and nonparametric statistics. RESULTS Four distinct CIN profiles were identified: none (40.8%), increasing-decreasing (21.5%), decreasing (8.9%), and high (28.8%). Compared with the none class, patients in the high class were younger, had a lower annual household income, had child care responsibilities, had a lower Karnofsky Performance Status score and a higher Self-administered Comorbidity Questionnaire score, and were more likely to have received chemotherapy on a 14-day cycle and a highly emetogenic chemotherapy regimen. In addition, patients in the high class reported high occurrence rates for dry mouth, feeling bloated, diarrhea, lack of appetite, abdominal cramps, difficulty swallowing, mouth sores, weight loss, and change in the way food tastes. CONCLUSIONS That 60% of the patients reported moderate to high CIN occurrence rates confirms that this unrelieved symptom is a significant clinical problem. IMPLICATIONS FOR PRACTICE Nurses need to evaluate patients' level of adherence to their antiemetic regimen and make appropriate referrals for physical therapy, psychological services, and dietary counseling.
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Affiliation(s)
- Komal Singh
- Author Affiliations: Edson College of Nursing and Health Innovation, Arizona State University, Phoenix (Drs Singh, Pituch, and Brewer); Biodesign Center for Fundamental and Applied Microbiomics, Arizona State University, Tempe (Dr Zhu); Department of Environmental Health Sciences, Florida International University, Port Saint Lucie (Dr Gu); Cancer Center, Mayo Clinic, Phoenix, Arizona (Drs Singh and Ernst); Department of Nursing, Mayo Clinic, Jacksonville, Florida (Dr Tofthagen), HonorHealth Research Institute, Scottsdale, Arizona (Dr Brewer); School of Nursing, University of California, San Francisco (Drs Kober, Cooper, Paul, and Miaskowski); School of Nursing, University of Pittsburgh, Pennsylvania (Dr Conley); The Phyllis F. Cantor Center for Research in Nursing and Patient Care Services, Dana Farber Cancer Institute, Boston, Massachusetts (Dr Hammer); School of Medicine, University of California, San Francisco (Drs Levine and Miaskowski)
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Shin J, Kober KM, Wong ML, Yates P, Cooper BA, Paul SM, Hammer M, Conley Y, Levine JD, Miaskowski C. Distinct Shortness of Breath Profiles in Oncology Outpatients Undergoing Chemotherapy. J Pain Symptom Manage 2023; 65:242-255. [PMID: 36423799 PMCID: PMC11195533 DOI: 10.1016/j.jpainsymman.2022.11.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/03/2022] [Accepted: 11/15/2022] [Indexed: 11/23/2022]
Abstract
CONTEXT Shortness of breath is a distressing symptom that occurs in 10% to 70% of oncology patients. Despite this broad range in its occurrence, little is known about inter-individual variability in shortness of breath and associated risk factors among patients receiving chemotherapy. OBJECTIVES Identify subgroups of patients with distinct shortness of breath profiles; evaluate for differences among these subgroups in demographic and clinical characteristics; evaluate for differences among symptom dimensions of shortness of breath, and evaluate for differences in quality of life outcomes. METHODS Outpatients (n=1338) completed questionnaires six times over two chemotherapy cycles. Occurrence of shortness of breath was assessed using the Memorial Symptom Assessment Scale. Latent class analysis was used to identify subgroups of patients with distinct shortness of breath profiles. RESULTS Four distinct shortness of breath profiles were identified (None [70.5%], Decreasing [8.2%], Increasing [7.8%], High [13.5%]). Risk factors for membership in High class included: history of smoking, self-reported diagnosis of lung disease, having lung cancer, and receipt of a higher number of cancer treatments. Compared to the None class, High class reported poorer physical, psychological, and social functioning. CONCLUSIONS Almost 14% of patients with heterogeneous types of cancer receiving chemotherapy had persistently high occurrence rates of shortness of breath for almost two months. In addition, compared to the Decreasing and Increasing classes, the High class' episodes of shortness of breath were more frequent and more severe. Clinicians need to assess all oncology patients for shortness of breath and provide targeted interventions.
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Affiliation(s)
- Joosun Shin
- School of Nursing (J.S., K.M.K., B.A.C., S.M.P., C.M.), University of California, San Francisco, California, USA
| | - Kord M Kober
- School of Nursing (J.S., K.M.K., B.A.C., S.M.P., C.M.), University of California, San Francisco, California, USA
| | - Melisa L Wong
- School of Medicine (M.L.W., J.D.L., C.M.), University of California, San Francisco, California, USA
| | - Patsy Yates
- Cancer & Palliative Outcomes Centre, Centre for Health Transformation, Faculty of Health (P.Y.), Queensland University of Technology, Brisbane, Queensland, Australia
| | - Bruce A Cooper
- School of Nursing (J.S., K.M.K., B.A.C., S.M.P., C.M.), University of California, San Francisco, California, USA
| | - Steven M Paul
- School of Nursing (J.S., K.M.K., B.A.C., S.M.P., C.M.), University of California, San Francisco, California, USA
| | - Marilyn Hammer
- Dana Farber Cancer Institute (M.H.), Boston, Massachusetts, USA
| | - Yvette Conley
- School of Nursing (Y.C.), University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jon D Levine
- School of Medicine (M.L.W., J.D.L., C.M.), University of California, San Francisco, California, USA
| | - Christine Miaskowski
- School of Nursing (J.S., K.M.K., B.A.C., S.M.P., C.M.), University of California, San Francisco, California, USA; School of Medicine (M.L.W., J.D.L., C.M.), University of California, San Francisco, California, USA.
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Bullard BM, McDonald SJ, Cardaci TD, VanderVeen BN, Murphy EA. Nonpharmacological approaches for improving gut resilience to chemotherapy. Curr Opin Support Palliat Care 2022; 16:151-160. [PMID: 35862879 DOI: 10.1097/spc.0000000000000599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE OF REVIEW Mucositis of the gastrointestinal tract is a debilitating side effect of chemotherapy that negatively influences treatment tolerance and patient life quality. This review will evaluate the recent literature on nonpharmacological strategies that have the potential to improve chemotherapy-induced mucositis (CIM). RECENT FINDINGS Alternatives to pharmacological approaches have shown great promise in preventing CIM. Natural products, including curcumin, ginseng, quercetin, and patchouli all show potential in mitigating CIM. In addition, dietary patterns, such as the elemental diet, high fiber diet, and diets high in amino acids have documented benefits in preventing CIM. Perhaps the greatest advancement coming to this arena in recent years is in the field of probiotics. Indeed, research on single species as well as probiotic mixtures show potential in reducing CIM insofar as probiotics are now being suggested for treatment of CIM by governing bodies. Although behavioral interventions including psychological interventions and exercise interventions have shown promise in reducing cancer therapy-related side effects, more work in this domain is warranted and particularly in the context of CIM. SUMMARY Alternatives to pharmacological approaches show great potential for use in prevention and treatment of CIM and should be further developed for use in the clinic.
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Affiliation(s)
- Brooke M Bullard
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, South Carolina, USA
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Wardill HR, de Mooij CEM, Da Silva Ferreira AR, Havinga H, Harmsen HJM, van der Velden WJFM, van Groningen LFJ, Tissing WJE, Blijlevens NMA. Supporting the gastrointestinal microenvironment during high-dose chemotherapy and stem cell transplantation by inhibiting IL-1 signaling with anakinra. Sci Rep 2022; 12:6803. [PMID: 35546555 PMCID: PMC9095632 DOI: 10.1038/s41598-022-10700-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 04/07/2022] [Indexed: 11/20/2022] Open
Abstract
High-dose chemotherapy causes intestinal inflammation and subsequent breakdown of the mucosal barrier, permitting translocation of enteric pathogens, clinically manifesting as fever. Antibiotics are mainstay for controlling these complications, however, they are increasingly recognized for their detrimental effects, including antimicrobial resistance and dysbiosis. Here, we show that mucosal barrier injury induced by the mucotoxic chemotherapeutic agent, high-dose melphalan (HDM), is characterized by hyper-active IL-1b/CXCL1/neutrophil signaling. Inhibition of this pathway with IL-1RA, anakinra, minimized the duration and intensity of mucosal barrier injury and accompanying clinical symptoms, including diarrhea, weight loss and fever in rats. 16S analysis of fecal microbiome demonstrated a more stable composition in rats receiving anakinra, with reduced pathogen expansion. In parallel, we report through Phase IIA investigation that anakinra is safe in stem cell transplant patients with multiple myeloma after HDM. Ramping-up anakinra (100–300 mg administered intravenously for 15 days) did not cause any adverse events or dose limiting toxicities, nor did it change time to neutrophil recovery. Our results reinforce that strengthening the mucosal barrier may be an effective supportive care strategy to mitigate local and systemic clinical consequences of HDM. We are now conducting a Phase IIB multicenter, placebo-controlled, double-blinded trial to assess clinical efficacy of anakinra (AFFECT-2). Trial registration: ClinicalTrials.gov identifier: NCT03233776.
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Affiliation(s)
- H R Wardill
- School of Biomedicine, The University of Adelaide, Adelaide, SA, Australia. .,The Supportive Oncology Research Group, Precision Medicine Theme (Cancer), The South Australian Health and Medical Research Institute, Adelaide, SA, Australia. .,Department of Pediatrics, The University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - C E M de Mooij
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - A R Da Silva Ferreira
- Department of Medical Microbiology, The University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - H Havinga
- Department of Pediatrics, The University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - H J M Harmsen
- Department of Medical Microbiology, The University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | | | - L F J van Groningen
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - W J E Tissing
- Department of Pediatrics, The University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Princes Maxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - N M A Blijlevens
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
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Poręba-Chabros A, Kolańska-Stronka M, Mamcarz P, Mamcarz I. Cognitive appraisal of the disease and stress level in lung cancer patients. The mediating role of coping styles. Support Care Cancer 2022; 30:4797-4806. [PMID: 35142911 PMCID: PMC9046371 DOI: 10.1007/s00520-022-06880-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 01/28/2022] [Indexed: 12/24/2022]
Abstract
PURPOSE The aim of the study was to provide support for the hypothesis that there was a correlation between the subjective appraisal of one's disease and the level of stress, as well as the hypothesis that coping styles may have a mediating role on the relationship between the perception of the disease and stress level in patients diagnosed with lung cancer. METHODS The study involved 97 respondents diagnosed with lung cancer, including 50 men and 47 women. The following methods were used for the study: the Disease-Related Appraisals Scale, the Coping Inventory for Stressful Situations, and the Perceived Stress Scale. Socio-demographic data were also collected. RESULTS The results show that emotion-oriented coping (EOC) acts as a mediator on the relationship between the appraisal of the disease and stress level in patients diagnosed with lung cancer. A total of 4 multiple mediation models were tested. CONCLUSION The research findings provide support for the hypothesis that coping style is crucial for the way patients appraise their disease and for their stress level. It is important to diagnose individual specific needs of lung cancer patients. The research results are an important source of information for those responsible for training medical staff on how to support cancer patients in their illness.
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Affiliation(s)
- Agata Poręba-Chabros
- Institute of Psychology, The John Paul II Catholic University of Lublin, Lublin, Poland
| | | | - Piotr Mamcarz
- Institute of Psychology, The John Paul II Catholic University of Lublin, Lublin, Poland
| | - Izabela Mamcarz
- Department of Didactics and Medical Simulation, Medical University of Lublin, Al. Racławickie 1, 20-059, Lublin, Poland.
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Distinct dyadic coping profiles in Chinese couples with breast cancer. Support Care Cancer 2021; 29:6459-6468. [PMID: 33900457 DOI: 10.1007/s00520-021-06237-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/19/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Conceptualizing cancer as a dyadic stress provides new insight into how stress impacts couples with breast cancer. The present study aimed to identify subgroups with distinct dyadic coping profiles in a sample of Chinese couples with breast cancer and to determine how these subgroups differed in terms of demographic and clinical characteristics in addition to marital adjustment outcomes. METHODS Using convenience sampling, a cross-sectional survey was conducted. Couples with breast cancer completed the general information questionnaire, the Dyadic Coping Inventory, and the Locke-Wollance Marital Adjustment Test. The modeling was performed using a latent profile analysis to identify the dyadic coping subgroups. Parametric and nonparametric tests were applied to examine between-group differences across the identified classes. RESULTS The analytical results supported a three-class solution of dyadic coping groups: high (27.4%), medium (32.2%), and low (40.4%). Between-group differences were found in educational background, number of children, postoperative time, and type of surgery. CONCLUSION Most couples reported low levels of dyadic coping. The couples with an educational level of primary school or below, with one child or who were childless, and who had undergone breast preservation surgery within the past year were more likely to belong to the low dyadic coping group. When supporting couples with breast cancer, it is essential to assess several demographic and clinical risk factors in addition to the marital adjustment level to identify high-risk subgroups that warrant intervention.
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