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Lund-Jacobsen T, Schwarz P, Martino G, Pappot H, Piil K. Development of an App for Symptom Management in Women With Breast Cancer Receiving Maintenance Aromatase Inhibitors: Protocol for a Mixed Methods Feasibility Study. JMIR Res Protoc 2024; 13:e49549. [PMID: 38358787 PMCID: PMC10905362 DOI: 10.2196/49549] [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: 06/01/2023] [Revised: 12/06/2023] [Accepted: 12/11/2023] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Patients with postmenopausal nonmetastatic estrogen receptor-positive breast cancer often experience a reduced quality of life after primary treatment. The disease and treatment trajectory consists of surgery followed by chemotherapy or radiation therapy. Upon this, maintenance hormone therapy with an aromatase inhibitor can result in several physical and psychosocial symptoms. Optimal symptom control during maintenance therapy is central to maintaining the patient's quality of life. OBJECTIVE This study aims to (1) develop an electronic symptom management tool for patients with postmenopausal early breast cancer receiving maintenance aromatase inhibitors with an endocrine aspect and (2) assess the feasibility, acceptability, and usability of the pilot version of the Bone@BC app. Furthermore, longitudinally, symptom prevalence and quality of life for patients with postmenopausal nonmetastatic estrogen receptor-positive breast cancer will be explored. METHODS This study follows a multistage research plan. In stage 1, a systematic literature review to establish an overview of aromatase inhibitor-related symptoms reported by postmenopausal women with nonmetastatic estrogen receptor-positive breast cancer will be completed. In stage 2, a comprehensive overview of symptoms related to aromatase inhibitors (letrozole, exemestane, and anastrozole) will be performed (eg, by reviewing medical leaflets and guidelines). In stage 3, an electronic app with a user-friendly Patient Concern Inventory list to comprise symptoms and concerns will be developed. Last, in stage 4, a convergent mixed methods feasibility study of the pilot version of the Bone@BC app will be conducted. A total of 45 patients with postmenopausal nonmetastatic estrogen receptor-positive breast cancer will use the app daily for symptom identification and respond to 6 serial patient-reported outcome measurements for 12 weeks. Finally, semistructured interviews will be performed. The primary outcome includes consent rate, attrition rate, retention rates, technical issues, and adherence, assessed using preestablished criteria on feasibility and a mixed methods approach for exploring acceptability. A patient advisory board consisting of 5 women with breast cancer is recruited to include their perspectives and experiences in the planning, organization, implementation, and dissemination of the research throughout the project. RESULTS At the time of submitting this paper (January 2024), a total of 23 patients have been included in the stage 2 medical audit over the recruitment period of 3 months (November 2022 to February 2023), and 19 patients have been enrolled in stage 2, the semistructured patient interviews. CONCLUSIONS This protocol describes a study investigating the feasibility, acceptability, and usability of the symptom management tool Bone@BC developed for patients with breast cancer with an endocrine aspect. TRIAL REGISTRATION ClinicalTrails.gov NCT05367830; https://clinicaltrials.gov/ct2/show/NCT05367830. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/49549.
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Affiliation(s)
- Trine Lund-Jacobsen
- Department of Endocrinology, Centre for Cancer and Organ Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Peter Schwarz
- Department of Endocrinology, Centre for Cancer and Organ Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Gabriella Martino
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Helle Pappot
- Department of Oncology, Centre for Cancer and Organ Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Karin Piil
- Department of Oncology, Centre for Cancer and Organ Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
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Tran TXM, Jung SY, Lee EG, Cho H, Kim NY, Shim S, Kim HY, Kang D, Cho J, Lee E, Chang Y, Cho H. Health-related quality of life in long-term early-stage breast cancer survivors compared to general population in Korea. J Cancer Surviv 2023:10.1007/s11764-023-01482-2. [PMID: 37999857 DOI: 10.1007/s11764-023-01482-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 10/06/2023] [Indexed: 11/25/2023]
Abstract
PURPOSE This study assessed health-related quality of life (HRQoL) of long-term breast cancer (BC) survivors diagnosed at early stages and compare with cancer-free, age-matched women. METHODS The study population included BC survivors diagnosed with ductal carcinoma in situ (DCIS) or breast cancer stages I-II, who had undergone lumpectomy/mastectomy, with time since diagnosis ranging from 9 to 16 years. Survey was conducted at two tertiary hospitals in 2020. Data for cancer-free female controls was randomly drawn from a population-based survey and age-, education-matched with 1 case: 3 controls ratio. Self-reported HRQoL was assessed using EQ-5D with five dimentions. EQ-5D utility index score was calculated. Difference in EQ-5D score was evaluated using the Tobit regression model with adjustment for other covariates. RESULTS Of 273 survivors. 88% and 12% underwent mastectomy and lumpectomy, respectively. The mean (standard deviation, SD) age at survey was 57.3 (8.5) years old. BC survivors reported significantly more problems performing daily activities (11% vs. 5%, p < 0.001), pain/discomfort (46% vs. 23%, p < 0.001), and anxious/depressed feelings (44% vs. 8%, p < 0.001) relative to the controls. Difference in EQ-5D score between BC survivors and the general population was higher in older age groups. The overall EQ-5D score of BC survivors was statistically lower than that of the control subjects (adjusted [Formula: see text]=0.117, p < 0.001). CONCLUSION Long-term BC survivors who survived beyond ten years post-diagnosis experience more pain, anxiety, and distress, leading to an overall poorer HRQoL. IMPLICATIONS FOR CANCER SURVIVORS This study suggest the importance of follow-up care, particularly focusing on pain, anxiety, and distress management to enhance the HRQoL of long-term BC survivors.
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Affiliation(s)
- Thi Xuan Mai Tran
- Department of Cancer Control and Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, 10408, Republic of Korea
| | - So-Youn Jung
- Center for Breast Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Eun-Gyeong Lee
- Center for Breast Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Heeyoun Cho
- Division of Cancer Control and Policy, National Cancer Control Institute, National Cancer Center, 323 Ilsan-Ro, Ilsandong-Gu, Goyang-Si, Goyang, Gyeonggi-Do, 10408, Republic of Korea
| | - Na Yeon Kim
- Cancer Education Center, Samsung Comprehensive Cancer Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 06351, Republic of Korea
| | - Sungkeun Shim
- Center for Clinical Epidemiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 06351, Republic of Korea
| | - Ho Young Kim
- Cancer Education Center, Samsung Comprehensive Cancer Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 06351, Republic of Korea
| | - Danbee Kang
- Center for Clinical Epidemiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 06351, Republic of Korea
- Department of Clinical Research Design & Evaluation, SAIHST, Sungkyunkwan University, Seoul, 06351, Republic of Korea
| | - Juhee Cho
- Center for Clinical Epidemiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 06351, Republic of Korea
- Department of Clinical Research Design & Evaluation, SAIHST, Sungkyunkwan University, Seoul, 06351, Republic of Korea
| | - Eunsook Lee
- Center for Breast Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Yoonjung Chang
- Division of Cancer Control and Policy, National Cancer Control Institute, National Cancer Center, 323 Ilsan-Ro, Ilsandong-Gu, Goyang-Si, Goyang, Gyeonggi-Do, 10408, Republic of Korea.
- Department of Cancer AI and Digital Health, Graduate School of Cancer Science and Policy, National Cancer Center, 323 Ilsan-Ro, Ilsandong-Gu, Goyang-Si, Goyang, Gyeonggi-Do, 10408, Republic of Korea.
| | - Hyunsoon Cho
- Department of Cancer AI and Digital Health, Graduate School of Cancer Science and Policy, National Cancer Center, 323 Ilsan-Ro, Ilsandong-Gu, Goyang-Si, Goyang, Gyeonggi-Do, 10408, Republic of Korea.
- Integrated Biostatistics Branch, Division of Cancer Data Science, Research Institute, National Cancer Center, Goyang, Republic of Korea.
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Smith-Graziani DJ, Parker PA, Peterson SK, Bedrosian I, Shen Y, Black DM, DeSnyder SM, Hunt KK, Dong W, Brewster AM. Prospective Study of Pain Outcomes Associated With Breast Surgery in Women With Nonhereditary Breast Cancer. Ann Surg 2023; 277:e617-e623. [PMID: 33938495 PMCID: PMC10657557 DOI: 10.1097/sla.0000000000004925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To assess pain severity and interference with life in women after different types of breast cancer surgery and the demographic, treatment-related, and psychosocial variables associated with these pain outcomes. SUMMARY OF BACKGROUND DATA Data are conflicting regarding pain outcomes and quality of life (QOL) among women who undergo different types of breast surgery. METHODS Women with nonhereditary breast cancer completed the brief pain inventory before surgery and at 1, 6, 12, and 18 months postsurgery. We assessed associations between pain outcomes and CPM status and mastectomy status using multivariable repeated measures models. We assessed associations between pain outcome and QOL and decision satisfaction. RESULTS Of 288 women (mean age 56 years, 58% non-Hispanic White), 50 had CPM, 75 had unilateral mastectomy, and 163 had BCS. Mean pain severity scores were higher at one (2.78 vs 1.9, P = 0.016) and 6 months (2.79 vs 1.96, P = 0.031) postsurgery in women who had CPM versus those who did not, but there was no difference at 12 and 18 months. Comparing mastectomy versus BCS, pain severity was higher at 1 and 12 months. There was a significant interaction between pain severity and time point for CPM ( P = 0.006), but not mastectomy status ( P = 0.069). Regardless of surgery type, Black women had higher pain severity ( P = 0.004) than White women. Higher pain interference was associated with lower QOL ( P < 0.001) and lower decision satisfaction ( P = 0.034). CONCLUSIONS Providers should counsel women considering mastectomy about the potential for greater acute pain and its impact on overall well-being. Racial/ethnic disparities in pain exist and influence pain management in breast surgical patients.
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Affiliation(s)
| | - Patricia A Parker
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Susan K Peterson
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Isabelle Bedrosian
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Y Shen
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Dalliah M Black
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sarah M DeSnyder
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Kelly K Hunt
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Wenli Dong
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Abenaa M Brewster
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas; and
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
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Ida H, Alicia GK, Anna F, Irene L, Anna N, Helena M, Maria E, Emir H, Hannah N. Quality of life among female childhood cancer survivors with and without premature ovarian insufficiency. J Cancer Surviv 2023; 17:101-109. [PMID: 33469826 PMCID: PMC9971100 DOI: 10.1007/s11764-021-00987-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 01/02/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Due to an increase in survival, a growing population of childhood cancer survivors (CCS) is present. However, female CCS are at risk of developing premature ovarian insufficiency (POI) after cancer treatment. POI involves a decreased chance of conceiving and the increased infertility state has a large impact on affected individuals' health and mental life. The objective of this study was to investigate health state and well-being among female CCS with and without POI and healthy controls (HC). METHODS Female CCS treated in southern Sweden between 1964 and 2008 were included. Each patient was matched with a HC. The final study population included 167 female CCS and 164 HC that were examined between October 2010 and January 2015 at the Reproductive Medicine Centre at Skåne University Hospital in Malmö, Sweden. All participants, except for two HCs, answered an EQ-5D-3L questionnaire for measuring health state including a visual analogue scale (VAS) for estimating well-being. RESULTS There were 22 CCS with POI, none of the HC had POI. The mean health state differed among groups (unadjusted: P = 0.002; adjusted: P = 0.007). A difference in mean experienced well-being among groups was noted (unadjusted: P = 0.003; adjusted: P = 0.012). Lowest well-being was found in the CCS group with POI (P = 0.024). CONCLUSIONS Female CCS have a significantly decreased health state and well-being. Female CCS with POI additionally have the lowest self-estimated well-being. IMPLICATIONS FOR CANCER SURVIVORS Female CCS with POI should be identified early in order to give them adequate information and support.
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Affiliation(s)
- Hjelmér Ida
- Department of Translational Medicine, Molecular Genetic Reproductive Medicine, Clinical Research Centre, Lund University, Malmo, Sweden
| | - Gustafsson Kylberg Alicia
- Department of Translational Medicine, Molecular Genetic Reproductive Medicine, Clinical Research Centre, Lund University, Malmo, Sweden
| | - Fridenborg Anna
- Department of Translational Medicine, Molecular Genetic Reproductive Medicine, Clinical Research Centre, Lund University, Malmo, Sweden
| | - Leijonhufvud Irene
- Department of Translational Medicine, Reproductive Medicine Centre, Skåne University Hospital, Lund University, Malmo, Sweden
| | - Nyström Anna
- Department of Pediatrics, Pediatric Endocrinology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Mörse Helena
- Department of Pediatrics, Pediatric Oncology and Hematology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Elfving Maria
- Department of Pediatrics, Pediatric Endocrinology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Henic Emir
- Department of Translational Medicine, Reproductive Medicine Centre, Skåne University Hospital, Lund University, Malmo, Sweden
| | - Nenonen Hannah
- Department of Translational Medicine, Molecular Genetic Reproductive Medicine, Clinical Research Centre, Lund University, Malmo, Sweden.
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Wang Y, Gavan SP, Steinke D, Cheung KL, Chen LC. The impact of age on health utility values for older women with early-stage breast cancer: a systematic review and meta-regression. Health Qual Life Outcomes 2022; 20:169. [PMID: 36564800 PMCID: PMC9789668 DOI: 10.1186/s12955-022-02067-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 11/07/2022] [Indexed: 12/24/2022] Open
Abstract
INTRODUCTION An increasing number of postmenopausal women are diagnosed with breast cancer at an older age (≥ 70 years). There is a lack of synthesised health utility data to support decision-making for managing breast cancer in this older population. This study aimed to identify the availability of, and the subsequent impact of age on, health state utility values (HSUVs) measured by the EQ-5D for older women with early-stage breast cancer. METHOD This systematic review identified EQ-5D (3L or 5L version) HSUVs for postmenopausal women with early-stage breast cancer. Studies were identified from a previous systematic review (inception to 2009) and an electronic database search (Medline and Embase; 2009 to September 2021). Mean HSUVs were summarised by health state. Quality appraisal was performed on studies reporting HSUVs for older ages (≥ 70 years). Multivariable meta-regression assessed the association between HSUVs and age, health state, treatments received, and time of measuring the utility values (greater or less than one year post-treatment). RESULTS Fifty EQ-5D HSUVs were identified from 13 studies. Mean HSUVs decreased as health state worsened: from the stable (mean=0.83) to progression (mean=0.79) and advanced (mean=0.68) states. Two studies reported six HSUVs estimated from the sample of women with a mean age ≥ 70. Meta-regression model fit improved by including age as an independent variable and attenuated the estimated utility decrements associated with worse health states. Utility decrements for the progression and advanced states were -0.052 (95%CI: -0.097, -0.007) and -0.143 (95%CI: -0.264, -0.022) respectively. The breast cancer-specific utility decrement associated with a one-year increase in age was -0.001 (95%CI: -0.004, 0.002). CONCLUSION Relevant and accurate HSUVs are essential to help support decision-making about the most effective and cost-effective ways to manage early-stage breast cancer in older women. Age has a vital role in determining health utility values in this population. This study provides analysts and decision-makers with HSUVs and utility decrements that reflect the disease process in this older population.
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Affiliation(s)
- Yubo Wang
- grid.5379.80000000121662407Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Stopford Building, Oxford Road, 1stFloor Stopford Building, Manchester, M13 9PT UK
| | - Sean P. Gavan
- grid.5379.80000000121662407Manchester Centre for Health Economics, Faculty of Biology, Medicine and Health, The University of Manchester, Oxford Road, Manchester, M13 9PL UK
| | - Douglas Steinke
- grid.5379.80000000121662407Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Stopford Building, Oxford Road, 1stFloor Stopford Building, Manchester, M13 9PT UK
| | - Kwok-Leung Cheung
- grid.4563.40000 0004 1936 8868School of Medicine, University of Nottingham, Royal Derby Hospital Centre, Uttoxeter Road, Derby, DE22 3DT UK
| | - Li-Chia Chen
- grid.5379.80000000121662407Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Stopford Building, Oxford Road, 1stFloor Stopford Building, Manchester, M13 9PT UK
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Baek SY, Lee SB, Lee Y, Chung S, Choi CM, Lee HJ, Jo MW, Yun SC, Lee JW. Effects of Mobile Healthcare Applications on the Lifestyle of Patients With Breast Cancer: A Protocol for a Randomized Clinical Trial. J Breast Cancer 2022; 25:425-435. [PMID: 36314766 PMCID: PMC9629966 DOI: 10.4048/jbc.2022.25.e42] [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: 04/22/2022] [Revised: 08/25/2022] [Accepted: 10/10/2022] [Indexed: 01/25/2023] Open
Abstract
PURPOSE Physical activity (PA) in patients with breast cancer is associated with improved quality of life (QoL); however, many breast cancer survivors do not meet the recommended PA level. This study aims to evaluate the effect of digital health interventions using mobile apps to promote PA and QoL in patients with postoperative breast cancer. This study will also identify effective digital intervention methods and perform an economic analysis. The main hypothesis is that the use of mobile healthcare apps will improve health-related quality of life (HRQOL), promote PA, and reduce healthcare costs. METHODS The Promotion of a better lifestyle (PA) with Precise and Practicable digital healthcare in postoperative CANCER patients through a Multi-Disciplinary Network (P4CancerMDnet) study is examined by a prospective 4-group randomized controlled trial with a concurrent cost-utility evaluation. Patients are randomly assigned to 3 different mobile app intervention groups or control groups in a 1:1:1:1 ratio. The intervention group is encouraged to use the assigned mobile app. The targeted outcomes are HRQOL, metabolic health markers, and quality-adjusted life-years. The outcomes will be measured at the 6- and 12-month follow-ups. DISCUSSION This study will contribute towards a better lifestyle and HRQOL through digital healthcare for postoperative breast cancer patients. These findings are expected to provide evidence of the effectiveness of mobile apps for breast cancer survivors. TRIAL REGISTRATION Clinical Research Information Service Identifier: KCT0005447.
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Affiliation(s)
- Soo Yeon Baek
- Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sae Byul Lee
- Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yura Lee
- Department of Information Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seockhoon Chung
- Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Chang-Min Choi
- Department of Pulmonology and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hui Jeong Lee
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea
| | - Min-Woo Jo
- Department of Preventive Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Sung-Cheol Yun
- Department of Clinical Epidemiology and Biostatistics, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Jong Won Lee
- Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Kim YI, Park IJ, Kim CW, Yoon YS, Lim SB, Yu CS, Kim JC, Lee Y, Kim H, Chung S, Choi CM, Lee HJ, Kim KW, Ko Y, Yun SC, Jo MW, Lee JW. Lifestyle interventions after colorectal cancer surgery using a mobile digital device: A study protocol for a randomized controlled trial. Medicine (Baltimore) 2022; 101:e31264. [PMID: 36254015 PMCID: PMC9575786 DOI: 10.1097/md.0000000000031264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND In treating colorectal cancer, surgical techniques and adjuvant treatments have advanced over the past century, but relatively less attention has been given to improve health-related quality of life (HRQOL). Recent studies report a significant association between cancer recurrence and patient lifestyle after surgery, hence emphasizing the need to assist patients to reduce this risk through appropriate lifestyle choices. The proposed study will evaluate the effects of digital interventions on lifestyle after surgery for colorectal cancer using mobile applications. METHODS A randomized controlled trial design was proposed. A total of 320 patients diagnosed with colorectal cancer aged between 20 and 70 years were to be enrolled and randomized in equal numbers into 4 groups (3 groups assigned to different mobile applications and a control group). Surveys that evaluate HRQOL, physical measurements, and metabolic parameters (fasting glucose, hemoglobin A1C, triglyceride, high-density lipoprotein cholesterol), and fat/muscle mass measurements by abdominal computed tomography (CT), will be conducted prior to surgery and every 6 months post-surgery for 18 months. Statistical analysis will be used to compare the outcomes between groups. DISCUSSION Results from this study could provide evidence that easily accessible mobile applications can influence patient lifestyles. Results showing minimal effects of such applications could also be constructive for improving healthcare-related applications.
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Affiliation(s)
- Young Il Kim
- Division of Colon and Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - In Ja Park
- Division of Colon and Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- *Correspondence: In Ja Park, Department of Colon and Rectal Surgery, Asan Medical Center, University of College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea (e-mail: )
| | - Chan Wook Kim
- Division of Colon and Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yong Sik Yoon
- Division of Colon and Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seok-Byung Lim
- Division of Colon and Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Chang Sik Yu
- Division of Colon and Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jin Cheon Kim
- Division of Colon and Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yura Lee
- Department of Information Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Harin Kim
- Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seockhoon Chung
- Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Chang-Min Choi
- Department of Pulmonology and Critical Care Medicine, Asan Medical Centre, University of Ulsan College of Medicine, Seoul, Korea
| | - Hui Jeong Lee
- Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyung Won Kim
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yousun Ko
- Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea
| | - Sung-Cheol Yun
- Division of Epidemiology and Biostatics, Clinical Research Center, Asan Medical Center, Seoul, Korea
| | - Min-Woo Jo
- Department of Preventive Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Jong Won Lee
- Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Kimpe E, Werbrouck A, De Ridder M, Putman K. Quantifying Societal Burden of Radiation-Induced Cardiovascular Events in Breast Cancer Survivors. Front Oncol 2022; 12:869529. [PMID: 35494083 PMCID: PMC9039176 DOI: 10.3389/fonc.2022.869529] [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: 02/04/2022] [Accepted: 03/09/2022] [Indexed: 11/13/2022] Open
Abstract
Background and Purpose Radiation-induced cardiotoxicity is an important health concern for clinicians during treatment of breast cancer (BC) patients. Underlying mechanisms are well-documented, whereas little is known about the societal impact of this long-term effect. This study aimed to quantify the additional burden of radiation-induced cardiovascular (CV) diseases in BC survivors. Materials and Methods Conventional health economic modelling techniques were applied to estimate attributed CV-related costs and disutility in a hypothetical cohort of BC survivors. A situation in which radiotherapy caused an additional CV risk was compared with a situation in which this risk was not taken into account. Uncertainty was assessed via deterministic and probabilistic sensitivity analyses. Analyses were performed from a broad societal perspective up until 20 years after BC treatment. Results Radiation-induced cardiotoxicity evokes a mean incremental cost of €275.10 per woman over a time horizon of 20 years after BC treatment. An additional decrement of 0.017 QALYs (per woman) might be expected when taking the radiation-induced cardiotoxic risk into account in BC survivors. Incremental costs and disutility increased with age. A scenario analysis showed that these results were more profound in women with more advanced staging. Conclusion Our analyses suggest that with current radiation techniques, rather minor costs and disutility are to be expected from radiation-induced cardiotoxicity in BC survivors. The cost of past investments in order to achieve current mean heart dose (MHD) seems justified when considering the gains from cost and disutility reduction resulting from radiation-induced cardiovascular events. The question we might consider is whether future opportunity costs associated with investments on further technological advancements offset the expected marginal benefit from further reducing the MHD.
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Affiliation(s)
- Eva Kimpe
- Interuniversity Centre for Health Economics Research (I-CHER), Department of Public Health, Vrije Universiteit Brussel, Brussels, Belgium
| | - Amber Werbrouck
- Interuniversity Centre for Health Economics Research (I-CHER), Department of Public Health, Vrije Universiteit Brussel, Brussels, Belgium
| | - Mark De Ridder
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Koen Putman
- Interuniversity Centre for Health Economics Research (I-CHER), Department of Public Health, Vrije Universiteit Brussel, Brussels, Belgium.,Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
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Inotai A, Ágh T, Maris R, Erdősi D, Kovács S, Kaló Z, Senkus E. Systematic review of real-world studies evaluating the impact of medication non-adherence to endocrine therapies on hard clinical endpoints in patients with non-metastatic breast cancer. Cancer Treat Rev 2021; 100:102264. [PMID: 34388473 DOI: 10.1016/j.ctrv.2021.102264] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/30/2022]
Abstract
Breast cancer, one of the most common malignancies, is associated with significant economic and health burden both at the patient and societal level. Although medication non-adherence to endocrine breast cancer therapies is common, so far only limited systematic evidence has been available on its quantitative consequences, as previous systematic reviews focused mainly on factors contributing to medication non-adherence. The objective of this review was to explore the implications of medication non-adherence to endocrine therapies on hard clinical outcomes in breast cancer based on real-world studies. A systematic literature review was conducted on PubMed; empirical evidence on hard clinical endpoints (i.e., survival, disease-free survival, metastasis and recurrence) were extracted from uni- or multivariate statistical analyses from retrospective or prospective cohort studies. Of the 2,360 identified records, 12 studies met the inclusion criteria. Two studies identified significant positive association between medication non-adherence and the risk of distant metastasis, three articles between medication non-adherence and the recurrence of breast cancer, two studies between medication non-adherence- and non-persistence and of worse disease-free survival and eight articles between medication non-adherence and mortality. There was only one study where the positive association between medication adherence and survival did not apply to all subgroups. The strong evidence on the negative health consequences of non-adherence to breast cancer treatments indicates the need for the regular monitoring of medication adherence. Furthermore, explicit inclusion of adherence enhancing interventions into health policy agenda would be warranted to improve medication adherence also at a system level.
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Affiliation(s)
- András Inotai
- Semmelweis University, Center for Health Technology Assessment, Budapest, Hungary; Syreon Research Institute, Budapest, Hungary.
| | - Tamás Ágh
- Syreon Research Institute, Budapest, Hungary.
| | | | - Dalma Erdősi
- Semmelweis University, Center for Health Technology Assessment, Budapest, Hungary; University of Pécs, Faculty of Pharmacy, Department of Pharmacoeconomics, Pécs, Hungary.
| | - Sándor Kovács
- Syreon Research Institute, Budapest, Hungary; University of Pécs, Faculty of Pharmacy, Department of Pharmacoeconomics, Pécs, Hungary.
| | - Zoltán Kaló
- Semmelweis University, Center for Health Technology Assessment, Budapest, Hungary; Syreon Research Institute, Budapest, Hungary.
| | - Elżbieta Senkus
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland.
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Roine E, Sintonen H, Kellokumpu-Lehtinen PL, Penttinen H, Utriainen M, Vehmanen L, Huovinen R, Kautiainen H, Nikander R, Blomqvist C, Hakamies-Blomqvist L, Saarto T. Long-term health-related quality of life of breast cancer survivors remains impaired compared to the age-matched general population especially in young women. Results from the prospective controlled BREX exercise study. Breast 2021; 59:110-116. [PMID: 34225091 PMCID: PMC8264211 DOI: 10.1016/j.breast.2021.06.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 06/16/2021] [Accepted: 06/23/2021] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To investigate long-term health-related quality of life (HRQoL) changes over time in younger compared to older disease-free breast cancer survivors who participated in a prospective randomized exercise trial. METHODS Survivors (aged 35-68 years) were randomized to a 12-month exercise trial after adjuvant treatment and followed up for ten years. HRQoL was assessed with the generic 15D instrument during follow-up and the younger (baseline age ≤ 50) and older (age >50) survivors' HRQoL was compared to that of the age-matched general female population (n = 892). The analysis included 342 survivors. RESULTS The decline of HRQoL compared to the population was steeper and recovery slower in the younger survivors (p for interaction < 0.001). The impairment was also larger among the younger survivors (p = 0.027) whose mean HRQoL deteriorated for three years after treatment and started to slowly improve thereafter but still remained below the population level after ten years (difference -0.017, 95% CI: -0.031 to -0.004). The older survivors' mean HRQoL gradually approached the population level during the first five years but also remained below it at ten years (difference -0.019, 95% CI: -0.031 to -0.007). The largest differences were on the dimensions of sleeping and sexual activity, on which both age groups remained below the population level throughout the follow-up. CONCLUSIONS HRQoL developed differently in younger and older survivors both regarding the most affected dimensions of HRQoL and the timing of the changes during follow-up. HRQoL of both age groups remained below the population level even ten years after treatment.
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Affiliation(s)
- Eija Roine
- Helsinki University Hospital, Comprehensive Cancer Center, and University of Helsinki, Faculty of Medicine, Helsinki, Finland.
| | - Harri Sintonen
- University of Helsinki, Department of Public Health, Helsinki, Finland
| | - Pirkko-Liisa Kellokumpu-Lehtinen
- Tampere University, Faculty of Medicine and Medical Technology, and Tampere University Hospital, Cancer Center, Center of Research, Development and Innovation, Tampere, Finland
| | - Heidi Penttinen
- Helsinki University Hospital, Comprehensive Cancer Center, and University of Helsinki, Faculty of Medicine, Helsinki, Finland
| | - Meri Utriainen
- Helsinki University Hospital, Comprehensive Cancer Center, and University of Helsinki, Faculty of Medicine, Helsinki, Finland
| | - Leena Vehmanen
- Helsinki University Hospital, Comprehensive Cancer Center, and University of Helsinki, Faculty of Medicine, Helsinki, Finland
| | - Riikka Huovinen
- Turku University Hospital, Department of Oncology, and University of Turku, Faculty of Medicine, Turku, Finland
| | - Hannu Kautiainen
- Kuopio University Hospital, Primary Health Care Unit, Kuopio, Finland; Folkhälsan Research Center, Helsinki, Finland
| | - Riku Nikander
- University of Jyväskylä, Faculty of Sport and Health Sciences, GeroCenter Foundation for Aging Research & Development, and Central Finland Hospital District, Department of Research & Education, Jyväskylä, Finland
| | - Carl Blomqvist
- Helsinki University Hospital, Comprehensive Cancer Center, and University of Helsinki, Faculty of Medicine, Helsinki, Finland; Örebro University Hospital, Department of Oncology, Örebro, Sweden
| | - Liisa Hakamies-Blomqvist
- Helsinki University Hospital, Comprehensive Cancer Center, and University of Helsinki, Faculty of Medicine, Helsinki, Finland
| | - Tiina Saarto
- Helsinki University Hospital, Comprehensive Cancer Center, and University of Helsinki, Faculty of Medicine, Helsinki, Finland
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Kim H, Yoo S, Kim H, Park SG, Son M. Cancer Survivors with Low Hand Grip Strength Have Decreased Quality of Life Compared with Healthy Controls: The Korea National Health and Nutrition Examination Survey 2014-2017. Korean J Fam Med 2021; 42:204-211. [PMID: 34038988 PMCID: PMC8164921 DOI: 10.4082/kjfm.20.0060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/12/2020] [Accepted: 06/25/2020] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Cancer survivors experience decreased physical function and reduced muscle strength, which leads to lower quality of life (QOL). The hand grip strength (HGS) can be a predictor of poor health-related QOL as a parameter of sarcopenia. The purpose of this study was to investigate the relationship between low HGS and QOL in cancer survivors and healthy controls. METHODS We analyzed 392 cancer survivors and 1,176 healthy controls from the Korea National Health and Nutrition Examination Survey, 2014-2017. We defined low HGS as 2 standard deviation values for healthy young Korean adults from a previous study. QOL was evaluated using the European Quality of Life Scale-Five Dimensions. A complex sample logistic regression model was used to assess the relationship between each dimension of low HGS and QOL. RESULTS The odds ratios (ORs) for decreased QOL were significantly higher in male cancer survivors with low HGS on self-care (OR, 8.51; 95% confidence interval [CI], 1.69-42.83) and usual activities (OR, 6.63; 95% CI, 1.22-36.03). The ORs for problems in mobility (OR, 5.87; 95% CI, 2.04-16.91), usual activities (OR, 14.46; 95% CI, 3.84-54.44), pain/discomfort (OR, 4.90; 95% CI, 2.00-12.01), and anxiety/depression (OR, 6.43; 95% CI, 2.16-19.12) were significantly high in female cancer survivors with low HGS. However, healthy controls showed no significant relationship between low HGS and QOL. CONCLUSION For cancer survivors, low HGS was associated with poor QOL in some domains. Strategies to increase muscle strength must be considered to improve the QOL of cancer survivors.
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Affiliation(s)
- Hyunji Kim
- Department of Family Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Sunmi Yoo
- Department of Family Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Hyoeun Kim
- Department of Family Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Seung Guk Park
- Department of Family Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Minkyu Son
- Department of Family Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
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12
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Roine E, Sintonen H, Kellokumpu-Lehtinen PL, Penttinen H, Utriainen M, Vehmanen L, Huovinen R, Kautiainen H, Nikander R, Blomqvist C, Saarto T. Health-related Quality of Life of Breast Cancer Survivors Attending an Exercise Intervention Study: A Five-year Follow-up. In Vivo 2020; 34:667-674. [PMID: 32111767 DOI: 10.21873/invivo.11821] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/03/2019] [Accepted: 12/10/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIM As the number of breast cancer survivors is increasing, their long-term health-related quality of life (HRQoL) has become an important issue. The aim of the study is to follow up the HRQoL of breast cancer survivors (BCS) in a prospective randomized exercise intervention study and to compare HRQoL to that of the age-matched general female population. PATIENTS AND METHODS Following adjuvant treatment, 537 patients aged 35-68 and capable of exercise training were randomized to a 12-month exercise trial. In 182 of those patients, HRQoL was measured by the generic 15D at baseline and followed up for five years. Furthermore, the HRQoL of all BCS answering the 15D at five-year follow-up (n=390) was compared to that of a representative sample of the general population. RESULTS After five years, the BCS' mean HRQoL demonstrated a statistically and clinically significant impairment compared to that of the general population (difference -0.023, p<0.001). The mean HRQoL of BCS followed up from baseline until five years did not improve significantly (change=0.007, p=0.27), whereas the dimensions of usual activities (0.043, p=0.004), depression (0.038, p=0.007), distress (0.030, p=0.036), and sexual activity (0.057, p=0.009) did. CONCLUSION The HRQoL of BCS was still impaired five years following treatment.
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Affiliation(s)
- Eija Roine
- Comprehensive Cancer Center, Helsinki University Hospital, and Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Harri Sintonen
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | | | - Heidi Penttinen
- Comprehensive Cancer Center, Helsinki University Hospital, and Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Meri Utriainen
- Comprehensive Cancer Center, Helsinki University Hospital, and Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Leena Vehmanen
- Comprehensive Cancer Center, Helsinki University Hospital, and Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Riika Huovinen
- Department of Oncology, Turku University Hospital, and Faculty of Medicine, University of Turku, Turku, Finland
| | - Hannu Kautiainen
- Primary Health Care Unit, Kuopio University Hospital, Kuopio, Finland.,Folkhälsan Research Center, Helsinki, Finland
| | - Riku Nikander
- Department of Sport and Health Sciences, University of Jyväskylä and GeroCenter Foundation for Aging Research & Development, Jyväskylä, Finland.,Department of Research & Education, Central Hospital District of Finland, Jyväskylä, Finland
| | - Carl Blomqvist
- Comprehensive Cancer Center, Helsinki University Hospital, and Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Tiina Saarto
- Comprehensive Cancer Center, Helsinki University Hospital, and Faculty of Medicine, University of Helsinki, Helsinki, Finland
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13
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Quality of Life Indicators in Patients Operated on for Breast Cancer in Relation to the Type of Surgery-A Retrospective Cohort Study of Women in Serbia. ACTA ACUST UNITED AC 2020; 56:medicina56080402. [PMID: 32796629 PMCID: PMC7466215 DOI: 10.3390/medicina56080402] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/07/2020] [Accepted: 08/10/2020] [Indexed: 01/09/2023]
Abstract
Background and objectives: Quality of life (QoL) after breast cancer surgery is an important public health issue. The aim of this study was to determine the relationship between the levels of perceived quality of life in patients operated on for breast cancer in relation to the type of surgery, using the standardized questionnaires. Materials and Methods: We assessed 425 women after surgery for breast cancer. The assessment included the application of the WHOQOL-bref (The World Health Organization Quality of Life-Bref), and FACT-B (Functional Assessment of Cancer Therapy-Breast) questionnaires. The statistical analysis of the data included multiple linear regression and correlation tests. Results: Multiple linear regression analysis found that education, existence of comorbidities, time elapsed since surgery, and type of surgery were significant predictors of overall quality of life. Women’s overall quality of life and general health has increased by 0.16 times for each subsequent year of surgery, and by 0.34 times for each subsequent higher education level. Breast-conserving surgery or mastectomy with breast reconstruction were statistically significant (β = 0.18) compared to total mastectomy. Conclusions: There is a significant difference in the quality of life perceived by patients in whom the breast has been preserved or reconstructed in relation to patients in whom total mastectomy has been performed.
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Manfuku M, Nishigami T, Mibu A, Tanaka K, Kitagaki K, Sumiyoshi K. Comparison of central sensitization-related symptoms and health-related quality of life between breast cancer survivors with and without chronic pain and healthy controls. Breast Cancer 2019; 26:758-765. [PMID: 31127501 DOI: 10.1007/s12282-019-00979-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 05/17/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND In breast cancer survivors, multiple risk factors for health-related quality of life (HRQoL) and chronic pain, including cancer treatment-related factors, psychosocial factors, and central sensitization (CS), have been suggested; however, there has been no comparative study between breast cancer survivors with and without pain. This study aimed to compare the demographic characteristics, psychological factors, and CS-related symptoms between breast cancer survivors with pain, those without pain, and healthy controls, and to investigate the relationships of these factors with HRQoL. METHODS We conducted a cross-sectional survey of 218 women, including patients who underwent breast cancer surgery and adjuvant therapy and healthy women. RESULTS Patients were divided into the pain group (n = 42), without-pain group (n = 51), and healthy group (n = 47); thus, among breast cancer survivors, 45% reported chronic pain. The proportion of participants who received breast cancer treatments, such as axillary lymph node dissection and chemotherapy, was higher in the pain group than in the without-pain group (p < 0.05). The Central Sensitization Inventory (CSI) and psychosocial factors in the pain group were higher than those in the without-pain group and healthy group (p < 0.01). The CSI and PCS showed larger effect sizes than treatment-related factors. Moreover, HRQoL was significantly correlated with CSI, PCS, Patient Health Questionnaire-2, and Generalized Anxiety Disorder-2 scale (all, p < 0.01). On multiple linear regression analysis, CSI accounted for 43% of the variance in HRQoL. CONCLUSIONS CS and pain catastrophizing may be more associated with the development and/or maintenance of persistent pain than treatment-related factors.
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Affiliation(s)
| | - Tomohiko Nishigami
- Department of Nursing and Physical Therapy, Konan Women's University, 6-2-23, Morikita-machi, Higashinada-ku, Kobe, Hyogo, 658-0001, Japan.
| | - Akira Mibu
- Department of Nursing and Physical Therapy, Konan Women's University, 6-2-23, Morikita-machi, Higashinada-ku, Kobe, Hyogo, 658-0001, Japan
| | - Katsuyoshi Tanaka
- Department of Rehabilitation, Tanabe Orthopaedics, Osaka, Osaka, Japan
| | - Kazufumi Kitagaki
- Department of Cardiovascular Rehabilitation, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan
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