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Díaz-Balboa E, Peña-Gil C, Rodríguez-Romero B, Cuesta-Vargas AI, Lado-Baleato O, Martínez-Monzonís A, Pedreira-Pérez M, Palacios-Ozores P, López-López R, González-Juanatey JR, González-Salvado V. Exercise-based cardio-oncology rehabilitation for cardiotoxicity prevention during breast cancer chemotherapy: The ONCORE randomized controlled trial. Prog Cardiovasc Dis 2024; 85:74-81. [PMID: 38395212 DOI: 10.1016/j.pcad.2024.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Breast cancer (BC) treatment with anthracyclines and/or anti-human epidermal growth factor receptor-2 (HER2) antibodies is associated with an increased risk of cardiovascular disease complications, including cancer therapy-related cardiac dysfunction (CTRCD). While Cardio-Oncology Rehabilitation (CORe) programs including exercise have emerged to minimize these risks, its role in preventing CTRCD is unclear. OBJECTIVES We investigated the effectiveness of an exercise-based CORe program in preventing CTRCD [left ventricular ejection fraction (LVEF) drop ≥10% to a value <53% or a decrease >15% in global longitudinal strain (GLS)]. Secondary outcomes examined changes in cardiac biomarkers, physical performance including peak oxygen consumption, psychometric and lifestyle outcomes. Safety, adherence, and patient satisfaction were also assessed. METHODS This is a randomized controlled trial including 122 early-stage BC women receiving anthracyclines and/or anti-HER2 antibodies, randomized to CORe (n = 60) or usual care with exercise recommendation (n = 62). Comprehensive assessments were performed at baseline and after cardiotoxic treatment completion. The average duration of the intervention was 5.8 months. RESULTS No cases of CTRCD were identified during the study. LVEF decreased in both groups, but was significantly attenuated in the CORe group [-1.5% (-2.9, -0.1); p = 0.006], with no changes detected in GLS or cardiac biomarkers. The CORe intervention led to significant body mass index (BMI) reduction (p = 0.037), especially in obese patients [3.1 kg/m2 (1.3, 4.8)]. Physical performance and quality-of-life remained stable, while physical activity level increased in both groups. No adverse events were detected. CONCLUSIONS This study suggests that CORe programs are safe and may help attenuate LVEF decline in BC women receiving cardiotoxic therapy and reduce BMI in obese patients.
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Affiliation(s)
- Estíbaliz Díaz-Balboa
- University of A Coruña, Department of Physiotherapy, Medicine and Biomedical Sciences, Campus de Oza, A Coruña 15071, Spain; Cardiology Department, University Clinical Hospital of Santiago de Compostela (SERGAS); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), 15706 Santiago de Compostela, A Coruña, Spain; Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain.
| | - Carlos Peña-Gil
- Cardiology Department, University Clinical Hospital of Santiago de Compostela (SERGAS); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), 15706 Santiago de Compostela, A Coruña, Spain; Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain.
| | - Beatriz Rodríguez-Romero
- University of A Coruña. Psychosocial Intervention and Functional Rehabilitation Research Group, Department of Physiotherapy, Medicine and Biomedical Sciences, Campus de Oza, A Coruña, Spain 15071.
| | - Antonio I Cuesta-Vargas
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina (IBIMA Plataforma BIONAND), Málaga 29010, Spain; Department of Physiotherapy, University of Málaga, Málaga 29071, Spain.
| | - Oscar Lado-Baleato
- Unit of Biostatistics, Department of Statistics, Mathematical Analysis, and Optimization, Universidade de Santiago de Compostela, Spain.
| | - Amparo Martínez-Monzonís
- Cardiology Department, University Clinical Hospital of Santiago de Compostela (SERGAS); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), 15706 Santiago de Compostela, A Coruña, Spain; Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain
| | - Milagros Pedreira-Pérez
- Cardiology Department, University Clinical Hospital of Santiago de Compostela (SERGAS); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), 15706 Santiago de Compostela, A Coruña, Spain; Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain.
| | - Patricia Palacios-Ozores
- Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain; Medical Oncology Department and Translational Medical Oncology Group, University Clinical Hospital of Santiago (SERGAS); Centro de Investigación Biomédica en Red de Cáncer (CIBERONC); Santiago de Compostela University School of Medicine, 15706 Santiago de Compostela, A Coruña, Spain..
| | - Rafael López-López
- Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain; Medical Oncology Department and Translational Medical Oncology Group, University Clinical Hospital of Santiago (SERGAS); Centro de Investigación Biomédica en Red de Cáncer (CIBERONC); Santiago de Compostela University School of Medicine, 15706 Santiago de Compostela, A Coruña, Spain..
| | - José R González-Juanatey
- Cardiology Department, University Clinical Hospital of Santiago de Compostela (SERGAS); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), 15706 Santiago de Compostela, A Coruña, Spain; Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain.
| | - Violeta González-Salvado
- Cardiology Department, University Clinical Hospital of Santiago de Compostela (SERGAS); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), 15706 Santiago de Compostela, A Coruña, Spain; Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, A Coruña, Spain.
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Zeng J, Cheng Y, Xie W, Lin X, Ding C, Xu H, Cui B, Chen Y, Gao S, Zhang S, Liu K, Lu Y, Zhou J, Shi Z, Sun Y. Calcium-sensing receptor and NF-κB pathways in TN breast cancer contribute to cancer-induced cardiomyocyte damage via activating neutrophil extracellular traps formation. Cell Mol Life Sci 2024; 81:19. [PMID: 38196005 PMCID: PMC11073098 DOI: 10.1007/s00018-023-05051-9] [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] [Received: 08/18/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 01/11/2024]
Abstract
Cardiovascular disorders are commonly prevalent in cancer patients, yet the mechanistic link between them remains poorly understood. Because neutrophil extracellular traps (NETs) have implications not just in cardiovascular diseases (CVD), but also in breast cancer (BC), it was hypothesized to contribute to CVD in the context of oncogenesis. We established a mouse model using nude mice to simulate liver metastasis of triple-negative BC (TNBC) through the injection of MDA-MB-231 cells. Multiple imaging and analysis techniques were employed to assess the cardiac function and structure, including echocardiography, HE staining, Masson staining, and transmission electron microscopy (TEM). MDA-MB-231 cells underwent treatment with a CaSR inhibitor, CaSR agonist, and NF-κB channel blocker. The phosphorylation of NF-κB channel protein p65 and the expression and secretion of IL-8 were assessed using qRT-PCR, Western Blot, and ELISA, respectively. In addition, MDA-MB-231 cells were co-cultured with polymorphonuclear neutrophils (PMN) under varying conditions. The co-localization of PMN extracellular myeloperoxidase (MPO) and DNA were observed by cellular immunofluorescence staining to identify the formation of NETs. Then, the cardiomyocytes were co-cultured with the above medium that contains NETs or not, respectively; the effects of NETs on cardiomyocytes apoptosis were perceived by flow cytometry. The ultrastructural changes of myocardial cells were perceived by TEM, and ELISA detected the levels of myocardial enzyme (LDH, MDA and SOD). Overall, according to our research, CaSR has been found to have a regulatory role in IL-8 secretion in MDA-MB-231 cells, as well as in the formation of NETs by PMN cells. These findings suggest CaSR-mediated stimulation in PMN can lead to increased NETs formation and subsequently to cytotoxicity in cardiomyocytes, which potentially via activation of the NF-κB signaling cascade of BC cell.
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Affiliation(s)
- Jingya Zeng
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Yangyang Cheng
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Wanlin Xie
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Xin Lin
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Chenglong Ding
- Department of Pathology, The First Affiliated Hospital of Jiamusi University, Jiamusi, 154003, Heilongjiang, China
| | - Huimin Xu
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Baohong Cui
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Yixin Chen
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Song Gao
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Siwen Zhang
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Kaiyue Liu
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Yue Lu
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Jialing Zhou
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Zhongxiang Shi
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Yihua Sun
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China.
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Foulkes SJ, Howden EJ, Pituskin E, Thompson RB, La Gerche A, Haykowsky MJ. A Review on the Role of Exercise Training to Prevent a Decline in Cardiorespiratory Fitness and Cardiac Function in Breast Cancer Survivors. J Cardiopulm Rehabil Prev 2024; 44:5-14. [PMID: 38032257 DOI: 10.1097/hcr.0000000000000834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
PURPOSE Improvements in diagnosis and treatment mean that the long-term health of breast cancer survivors (BCS) is increasingly dictated by cardiovascular comorbidities. This is partly a consequence of exposure to cardiotoxic therapies, which result in cardiac dysfunction and decreased cardiorespiratory fitness (CRF). Exercise training (ExT) is a key therapeutic strategy for secondary prevention and increasing CRF in adults with established cardiovascular disease. Exercise-based cardio-oncology rehabilitation (CORE) has been proposed as an emerging strategy to address CRF and cardiac impairment in BCS. This review aims to (1) provide an overview of the impact of breast cancer therapy on CRF; (2) provide an up-to-date summary of the effects of ExT on CRF and cardiac function in BCS undergoing cardiotoxic therapy; and (3) discuss how traditional ExT approaches can be adapted for BCS undergoing therapy. REVIEW METHODS A literature review was performed based on an intensive literature search for systematic reviews and meta-analyses, randomized and non-randomized controlled trials and single-arm trials investigating the impact of exercise training or cardiac rehabilitation on CRF and/or cardiac function in BCS who are undergoing or have completed cardiotoxic cancer therapy. SUMMARY Overall, current evidence suggests that ExT induces clinically meaningful benefits for CRF in BCS during and after therapy. There is also emerging evidence that ExT can improve peak exercise measures of cardiac function; however, there is a need for further research to understand how to adapt these effective ExT approaches into clinical CORE-based settings.
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Affiliation(s)
- Stephen J Foulkes
- Faculty of Nursing, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada (Drs Foulkes, Pituskin, and Haykowsky); Clinical Research Domain, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia (Drs Foulkes, Howden, La Gerche, and Haykowsky); Department of Cardiometabolic Health, The University of Melbourne, Melbourne, Australia (Drs Foulkes, Howden, and La Gerche); College of Health Sciences, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada (Dr Thompson); National Centre for Sports Cardiology, Fitzroy, Victoria, Australia (Dr La Gerche); and Cardiology Department, St Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia (Dr La Gerche)
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Artignan J, Capmas P, Panjo H, Constantinou P, Pelletier-Fleury N. Are breast cancer patients with suboptimal adherence to cardiovascular treatment more likely to discontinue adjuvant endocrine therapy? Competing risk survival analysis in a nationwide cohort of postmenopausal women. BMC Med 2023; 21:463. [PMID: 38001491 PMCID: PMC10675896 DOI: 10.1186/s12916-023-03156-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND High rates of discontinuation undermine the effectiveness of adjuvant endocrine therapy (AET) among hormone-receptive breast cancer patients. Patient prognosis also relies on the successful management of cardiovascular risk, which affects a high proportion of postmenopausal women. As with AET, adherence with cardiovascular drugs is suboptimal. We examined whether patient adherence with cardiovascular drugs was associated with the rate of AET discontinuation in a French nationwide claims database linked with hospitalisation data. METHODS We identified postmenopausal women starting AET between 01/01/2016 and 31/12/2020 and taking at least two drugs for the primary prevention of cardiovascular disease (antihypertensive drugs, lipid-lowering drugs and platelet aggregation inhibitors) before AET initiation. Adherence was assessed for each drug class by computing the proportion of days covered. Women were categorised as fully adherent, partially adherent or fully non-adherent with their cardiovascular drug regimen based on whether they adhered with all, part or none of their drugs. AET discontinuation was defined as a 90-day gap in AET availability. Time to AET discontinuation according to levels of cardiovascular drug adherence was estimated using cumulative incidence curves, accounting for the competing risks of death and cancer recurrence. Multivariate cause-specific Cox regressions and Fine-and-Gray regressions were used to assess the relative hazards of AET discontinuation. RESULTS In total, 32,075 women fit the inclusion criteria. Women who were fully adherent with their cardiovascular drugs had the lowest cumulative incidence of AET discontinuation at any point over the 5-year follow-up period. At 5 years, 40.2% of fully non-adherent women had discontinued AET compared with 33.5% of partially adherent women and 28.8% of fully adherent women. Both partial adherence and full non-adherence with cardiovascular drugs were predictors of AET discontinuation in the two models (cause-specific hazard ratios 1.16 [95% CI 1.10-1.22] and 1.49 [95% CI 1.39-1.58]; subdistribution hazard ratios 1.15 [95% CI 1.10-1.21] and 1.47 [95% CI 1.38-1.57]). CONCLUSION Clinicians should be aware that patients who do not adhere with their entire cardiovascular drug regimen are also more likely to discontinue AET. This stresses the importance of integrated care, as suboptimal adherence with both treatment components poses a threat to achieving ideal patient outcomes.
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Affiliation(s)
- Juliette Artignan
- Centre for Research in Epidemiology and Population Health (Inserm U1018), Villejuif, France.
- Paris-Saclay University, UVSQ, Inserm, CESP, Villejuif, France.
| | - Perrine Capmas
- Centre for Research in Epidemiology and Population Health (Inserm U1018), Villejuif, France
- Paris-Saclay University, UVSQ, Inserm, CESP, Villejuif, France
- Department of Gynecology and Obstetrics, Kremlin-Bicêtre Hospital, Le Kremlin-Bicêtre, France
| | - Henri Panjo
- Centre for Research in Epidemiology and Population Health (Inserm U1018), Villejuif, France
- Paris-Saclay University, UVSQ, Inserm, CESP, Villejuif, France
| | - Panayotis Constantinou
- Direction of Strategy, Studies and Statistics, French National Health Insurance (CNAM), Paris, France
| | - Nathalie Pelletier-Fleury
- Centre for Research in Epidemiology and Population Health (Inserm U1018), Villejuif, France
- Paris-Saclay University, UVSQ, Inserm, CESP, Villejuif, France
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Lavín-Pérez AM, Collado-Mateo D, Hinojo González C, Batista M, Mayo X, Ruisánchez Villar C, Jiménez A. An online home-based exercise program improves autonomic dysfunction in breast cancer survivors. Front Physiol 2023; 14:1256644. [PMID: 37841312 PMCID: PMC10570414 DOI: 10.3389/fphys.2023.1256644] [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: 07/11/2023] [Accepted: 09/19/2023] [Indexed: 10/17/2023] Open
Abstract
Introduction: Exercise interventions for breast cancer survivors have proved their potential to improve clinical, physical, and psychosocial outcomes. However, limited studies have explored exercise effects on autonomic dysfunction and the measurement of exercise tolerance and progression through daily heart rate variability (HRV). Purpose: To analyze the effects of a 16-wk exercise intervention on the autonomic modulation of breast cancer survivors, as well as to examine the evolution of daily measured HRV and its interaction with exercise sessions in this population. Methods: A total of 29 patients who had undergone chemotherapy and radiotherapy were randomly assigned to the exercise group or to the control group. The exercise intervention was delivered remotely through online meetings and consisted of supervised training resistance and cardiovascular exercise 3 times per week. During the intervention all patients measured their HRV daily obtaining the napierian logarithm of the root mean square of successive differences between normal heartbeats (lnrMSSD) and the napierian logarithm of the standard deviation of the interbeat interval of normal sinus beats (lnSDNN) values at four moments: day 0 (the morning of the training sessions), 24, 48, and 72 h after exercise. Results: The results revealed a significant interaction between group and months during the intervention period for lnrMSSD and lnSDNN (p < 0.001). Additionally, there were significant differences in lnSDNN recovery time between months (p < 0.05), while differences in lnrMSSD become apparent only 24 h after exercise (p = 0.019). The control group experienced a significant decrease in both variables monthly (p < 0.05) while exercise group experienced a significant increment (p < 0.05). Conclusion: HRV is daily affected by exercise training sessions in cancer patients. Although results strongly support the role of exercise as a post-chemotherapy and radiotherapy rehabilitation strategy for breast cancer survivors to improve autonomic imbalance, further research is necessary to validate these initial findings.
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Affiliation(s)
- Ana Myriam Lavín-Pérez
- Sport Sciences Research Centre, Rey Juan Carlos University, Madrid, Spain
- GO Fit LAB, GO Fit Life, Science and Technology, S.A., Madrid, Spain
- Program of Epidemiology and Public Health (Interuniversity), Ph.D. International School of Rey Juan Carlos University, Madrid, Spain
| | | | | | - Marco Batista
- Sport, Health, and Exercise Research Unit (SHERU), Polytechnic Institute of Castelo Branco, Castelo Branco, Portugal
| | - Xián Mayo
- Sport Sciences Research Centre, Rey Juan Carlos University, Madrid, Spain
| | | | - Alfonso Jiménez
- Sport Sciences Research Centre, Rey Juan Carlos University, Madrid, Spain
- GO Fit LAB, GO Fit Life, Science and Technology, S.A., Madrid, Spain
- Advanced Wellbeing Research Centre, College of Health, Wellbeing and Life Sciences, Sheffield Hallam University, Sheffield, United Kingdom
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Christensen RAG, Haykowsky MJ, Nadler M, Prado CM, Small SD, Rickard JN, Pituskin E, Paterson DI, Mackey JR, Thompson RB, Kirkham AA. Rationale and design of IMPACT-women: a randomised controlled trial of the effect of time-restricted eating, healthy eating and reduced sedentary behaviour on metabolic health during chemotherapy for early-stage breast cancer. Br J Nutr 2023; 130:852-859. [PMID: 36453589 PMCID: PMC10404477 DOI: 10.1017/s0007114522003816] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/14/2022] [Accepted: 11/21/2022] [Indexed: 12/03/2022]
Abstract
Metabolic dysfunction and excess accumulation of adipose tissue are detrimental side effects from breast cancer treatment. Diet and physical activity are important treatments for metabolic abnormalities, yet patient compliance can be challenging during chemotherapy treatment. Time-restricted eating (TRE) is a feasible dietary pattern where eating is restricted to 8 h/d with water-only fasting for the remaining 16 h. The purpose of this study is to evaluate the effect of a multimodal intervention consisting of TRE, healthy eating, and reduced sedentary time during chemotherapy treatment for early-stage (I-III) breast cancer on accumulation of visceral fat (primary outcome), other fat deposition locations, metabolic syndrome and cardiovascular disease risk (secondary outcomes) compared with usual care. The study will be a two-site, two-arm, parallel-group superiority randomised control trial enrolling 130 women scheduled for chemotherapy for early-stage breast cancer. The intervention will be delivered by telephone, including 30-60-minute calls with a registered dietitian who will provide instructions on TRE, education and counselling on healthy eating, and goal setting for reducing sedentary time. The comparison group will receive usual cancer and supportive care including a single group-based nutrition class and healthy eating and physical activity guidelines. MRI, blood draws and assessment of blood pressure will be performed at baseline, after chemotherapy (primary end point), and 2-year follow-up. If our intervention is successful in attenuating the effect of chemotherapy on visceral fat accumulation and cardiometabolic dysfunction, it has the potential to reduce risk of cardiometabolic disease and related mortality among breast cancer survivors.
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Affiliation(s)
| | | | - Michelle Nadler
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Carla M. Prado
- Department of Agriculture, Food and Nutrition Science, University of Alberta, Edmonton, AB, Canada
| | - Stephanie D. Small
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
| | - Julia N. Rickard
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
| | - Edith Pituskin
- Faculty of Nursing, University of Alberta, Edmonton, AB, Canada
| | - D. Ian Paterson
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - John R. Mackey
- Department of Oncology, University of Alberta, Edmonton, AB, Canada
| | - Richard B. Thompson
- Department of Biomedical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Amy Ashley Kirkham
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
- KITE, Toronto Rehabilitation Institute, Toronto, ON, Canada
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Li R, Zhang W, Shi B, Ma L, Jiang F, Wang X, Li J. A common variant SNP rs1937810 in the MPP7 gene contributes to the susceptibility of breast cancer in the Chinese Han population. Mol Genet Genomic Med 2023; 11:e2198. [PMID: 37194388 PMCID: PMC10496085 DOI: 10.1002/mgg3.2198] [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] [Received: 02/07/2023] [Revised: 04/23/2023] [Accepted: 05/04/2023] [Indexed: 05/18/2023] Open
Abstract
BACKGROUND Breast cancer (BC) is common cancer caused by environmental factors and genetic ones. Previous evidence has linked gene MAGUK P55 Scaffold Protein 7 (MPP7) to BC, despite that there has been no research evaluating the relationship between MPP7 genetic polymorphisms and BC susceptibility. We aimed to investigate the potential association of the MPP7 gene with the susceptibility to BC in Han Chinese individuals. METHODS In total, 1390 patients with BC and 2480 controls were enrolled. For genotyping, 20 tag SNPs were chosen. The serum levels of protein MPP7 were measured in all subjects using an enzyme-linked immunosorbent assay. Genetic association analysis was performed in both genotypic and allelic modes, and the relationship between BC patients' clinical features and genotypes of relevant SNPs was examined. The functional implications of significant markers were also evaluated. RESULTS After adjusting for Bonferroni correction, SNP rs1937810 was found to be significantly associated with the risk of BC (p = 1.19 × 10-4 ). The odds ratio of CC genotypes in BC patients was 49% higher than in controls (1.49 [1.23-1.81]). Serum MPP7 protein levels were significantly higher in BC patients than in controls (p < 0.001). The protein level of the CC genotype was the highest, and that of the CT and TT genotypes decreased in turn (both p < 0.001). CONCLUSIONS Our results linked SNP rs1937810 to the susceptibility of BC and the clinical features of BC patients. This SNP is also proved to be significantly related to the serum level of protein MPP7 in both BC patients and controls.
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Affiliation(s)
- Rong Li
- Department of RadiotherapyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Wenpei Zhang
- Key Laboratory of National Health Commission for Forensic SciencesXi'an Jiaotong University Health Science CenterXi'anChina
| | - Bohui Shi
- Department of Breast SurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Li Ma
- Department of OncologyThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Fanliu Jiang
- Key Laboratory of National Health Commission for Forensic SciencesXi'an Jiaotong University Health Science CenterXi'anChina
| | - Xiaochen Wang
- Key Laboratory of National Health Commission for Forensic SciencesXi'an Jiaotong University Health Science CenterXi'anChina
| | - Jieqiong Li
- Department of NursingThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
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Verghese D, Muller L, Velamakanni S. Addressing Cardiovascular Risk Across the Arc of a Woman's Life: Sex-Specific Prevention and Treatment. Curr Cardiol Rep 2023; 25:1053-1064. [PMID: 37498450 DOI: 10.1007/s11886-023-01923-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/07/2023] [Indexed: 07/28/2023]
Abstract
PURPOSE OF REVIEW Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in women in the United States of America. Despite this, women are underdiagnosed, less often receive preventive care, and are undertreated for CVD compared to men. There has been an increase in sex-specific risk factors and treatments over the past decade; however, sex-specific recommendations have not been included in the guidelines. We aim to highlight recent evidence behind the differential effect of traditional risk factors and underscore sex-specific risk factors with an intention to promote awareness, improve risk stratification, and early implementation of appropriate preventive therapies in women. RECENT FINDINGS Women are prescribed fewer antihypertensives and lipid-lowering agents and receive less cardiovascular care as compared to men. Additionally, pregnancy complications have been associated with increased cardiovascular mortality later in life. Findings from the ARIC study suggest that there is a perception of lower risk of cardiovascular disease in women. The SWEDEHEART study which investigated sex differences in treatment, noted a lower prescription of guideline-directed therapy in women. Women are less likely to be prescribed statin medications by their providers in both primary and secondary prevention as they are considered lower risk than men, while also being more likely to decline and discontinue treatment. A woman's abnormal response to pregnancy may serve as her first physiological stress test which can have implications on her future cardiovascular health. This was supported by the CHAMPs study noting a higher premature cardiovascular risk after maternal complications. Adverse pregnancy outcomes have been associated with a 1.5-4.0 fold increase in future cardiovascular events in multiple studies. In this review, we highlight the differences in traditional risk factors and their impact on women. Furthermore, we address the sex-specific risk factors and pregnancy-associated complications that increase the risk of CVD in women. Adherence to GDMT may have implications on overall mortality in women. An effort to improve early recognition of CVD risk with implementation of aggressive risk factor control and lifestyle modification should be emphasized. Future studies should specifically report on differences in outcomes between males and females. Increased awareness and knowledge on sex-specific risks and prevention are likely to lower the prevalence and improve outcomes of CVD in women.
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Affiliation(s)
- Dhiran Verghese
- Section of Non-Invasive Cardiology, Division of Cardiovascular Medicine, Department of Medicine, NCH Rooney Heart Institute, 34102, Naples, FL, USA
| | - Laura Muller
- Section of Non-Invasive Cardiology, Division of Cardiovascular Medicine, Department of Medicine, NCH Rooney Heart Institute, 34102, Naples, FL, USA
| | - Shona Velamakanni
- Section of Non-Invasive Cardiology, Division of Cardiovascular Medicine, Department of Medicine, NCH Rooney Heart Institute, 34102, Naples, FL, USA.
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Purdom T, Cook M, Colleran H, Stewart P, San Diego L. Low Energy Availability (LEA) and Hypertension in Black Division I Collegiate Athletes: A Novel Pilot Study. Sports (Basel) 2023; 11:sports11040081. [PMID: 37104155 PMCID: PMC10143550 DOI: 10.3390/sports11040081] [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: 02/14/2023] [Revised: 03/28/2023] [Accepted: 03/31/2023] [Indexed: 04/28/2023] Open
Abstract
The purpose of this study was to investigate the relationship between low energy availability (LEA) and nutritional content with high blood pressure (HBP) in African American Division I athletes. Twenty-three D1 African American pre-season athletes were recruited to participate. HBP was defined as >120 systolic blood pressure (BP) and <80 diastolic BP. Athletes self-reported nutritional intake using a non-consecutive 3-day food recall which was then reviewed by a sports dietitian. LEA was evaluated as total energy intake-total daily energy expenditure (TDEE), which was predicted. Additionally, micronutrients were evaluated. A statistical analysis relied on Spearman correlation (R), standardized mean difference with 95% confidence interval, mean ± SD, and odds ratios (OR). Correlation values were categorized: 0.20-0.39 = low; 0.40-0.69 = moderate; 0.70-1.0 = strong. A moderate relationship was observed between HBP and LEA (R = 0.56) with 14/23 having HBP. Of the 14 athletes observed with HBP, 78.5% (11/14) were calorically deficient (-529 ± 695 kcal) with an OR of 7.2. Micronutrient intake deficiencies were ubiquitous among the 23 HBP athletes: poly-unsaturated fatty acid -29.6%; omega-3 -26.0%; iron -46.0%; calcium -25.1%; and sodium -14.2%, amongst others. LEA and micronutrient deficiencies may contribute to HBP in Black D1 athletes, which has been shown to be the most common modifiable risk factor to decrease the risk of sudden cardiac death.
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Affiliation(s)
- Troy Purdom
- Department of Kinesiology, North Carolina Agricultural and Technical State University, Greensboro, NC 27401, USA
| | - Marc Cook
- Department of Kinesiology, North Carolina Agricultural and Technical State University, Greensboro, NC 27401, USA
| | - Heather Colleran
- Department of Family and Consumer Sciences, North Carolina Agricultural and Technical State University, Greensboro, NC 27401, USA
| | - Paul Stewart
- Department of Biostatistics, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Lauren San Diego
- Department of Family and Consumer Sciences, North Carolina Agricultural and Technical State University, Greensboro, NC 27401, USA
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10
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Preparation of alginate coated Pt nanoparticle for radiosensitization of breast cancer tumor. Int J Biol Macromol 2023; 233:123273. [PMID: 36646349 DOI: 10.1016/j.ijbiomac.2023.123273] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/03/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
Noble metals as high atomic number elements can localize X-ray radiation within tumor cells by exploiting different mechanisms. Here, alginate (Alg)-coated platinum nanoparticles (Pt@Alg) were synthesized, characterized, and implemented as a radiosensitizer to enhance X-ray therapeutic efficacy in breast cancer in vitro and in vivo. Alg not only improves the biocompatibility of the radioenhancer, but also stabilizes the nanoparticles. Pt@Alg was studied by different characterization methods including DLS, STEM, Fe-SEM, XRD, XPS, FT-IR and UV-Vis spectrophotometry. The nanosystem provided a higher level of intracellular ROS in malignant cells and enhanced cancer cell death under X-Ray irradiation. Clonogenic assay also demonstrated the radiosensitizing properties of the nanosystem, in vitro. In vivo result show tumor growth restraining properties of the nanosystem when it was administrated along with X-Ray irradiation. Histopathology results confirmed the impact of nanosystem and X-ray co-treatment, as well. Altogether, the importance of radiosensitizers for improving radiotherapy outcomes was highlighted.
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11
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Khan F, Rojas K, Schlumbrecht M, Jeudin P. Oophorectomy in Premenopausal Patients with Estrogen Receptor-Positive Breast Cancer: New Insights into Long-Term Effects. Curr Oncol 2023; 30:1794-1804. [PMID: 36826100 PMCID: PMC9954995 DOI: 10.3390/curroncol30020139] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023] Open
Abstract
Approximately 80% of breast cancers are estrogen receptor-positive (ER+), and 68-80% of those occur in premenopausal or perimenopausal women. Since the introduction of tamoxifen for adjuvant endocrine therapy in women with non-metastatic ER+ breast cancer, subsequent trials have demonstrated an oncologic benefit with the addition of ovarian function suppression (OFS) to adjuvant endocrine therapy. Subsequently, therapies to either suppress or ablate ovarian function may be included in the treatment plan for patients that remain premenopausal or perimenopausal after upfront or adjuvant chemotherapy and primary surgery. One strategy for OFS, bilateral salpingo-oophorectomy (BSO), has lasting implications, and the routine recommendation for this strategy warrants a critical analysis in this population. The following is a narrative review of the utility of ovarian suppression or ablation (through either bilateral oophorectomy or radiation) in the context of adjuvant endocrine therapy, including selective estrogen receptor modulators (SERMs) and aromatase inhibitors (AIs). The long-term sequelae of bilateral oophorectomy include cardiovascular and bone density morbidity along with sexual dysfunction, negatively impacting overall quality of life. As gynecologists are the providers consulted to perform bilateral oophorectomies in this population, careful consideration of each patient's oncologic prognosis, cardiovascular risk, and psychosocial factors should be included in the preoperative assessment to assist in shared decision-making and prevent the lifelong adverse effects that may result from overtreatment.
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Affiliation(s)
- Fatima Khan
- Departments of Medicine, Leonard M. Miller School of Medicine, University of Miami, 1120 N.W. 14th Street, Miami, FL 33136, USA
| | - Kristin Rojas
- Departments of Medicine, Leonard M. Miller School of Medicine, University of Miami, 1120 N.W. 14th Street, Miami, FL 33136, USA
- Dewitt Daughtry Department of Surgery, University of Miami, Miami, FL 33136, USA
| | - Matthew Schlumbrecht
- Departments of Medicine, Leonard M. Miller School of Medicine, University of Miami, 1120 N.W. 14th Street, Miami, FL 33136, USA
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL 33136, USA
- Division of Gynecologic Oncology, University of Miami, Miami, FL 33136, USA
| | - Patricia Jeudin
- Departments of Medicine, Leonard M. Miller School of Medicine, University of Miami, 1120 N.W. 14th Street, Miami, FL 33136, USA
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL 33136, USA
- Division of Gynecologic Oncology, University of Miami, Miami, FL 33136, USA
- Correspondence:
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12
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Carter RR, Chum AP, Sanchez R, Guha A, Dey AK, Reinbolt R, Kim L, Otchere P, Oppong‐Nkrumah O, Abraham WT, Lustberg M, Addison D. Hypertensive events after the initiation of contemporary cancer therapies for breast cancer control. Cancer Med 2023; 12:297-305. [PMID: 35633055 PMCID: PMC9844596 DOI: 10.1002/cam4.4862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 05/03/2022] [Accepted: 05/11/2022] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Contemporary therapies improve breast cancer (BC) outcomes. Yet, many of these therapies have been increasingly linked with serious cardiotoxicity, including reports of profound hypertension. Yet, the incidence, predictors, and impacts of these events are largely unknown. METHODS Leveraging two large U.S.-based registries, the National Inpatient Sample (NIS) and the Food and Drug Administration Adverse Event Reporting System (FAERS) databases, we assessed the incidence, factors, and outcomes of hypertensive events among BC patients from 2007 to 2015. Differences in baseline characteristics, hypertension-related discharges, and complications were examined over time. Further, we performed a disproportionality analysis using reporting-odds-ratios (ROR) to determine the association between individual BC drugs and hypertensive events. Utilizing an ROR cutoff of >1.0, we quantified associations by drug-class, and individual drugs with the likelihood of excess hypertension. RESULTS Overall, there were 5,464,401 BC-admissions, of which 46,989 (0.8%) presented with hypertension. Hypertensive BC patients were older, and saw initially increased in-hospital mortality, which equilibrated over time. The mean incidence of hypertension-related admissions was 732 per 100,000 among BC patients, versus 96 per 100,000 among non-cancer patients (RR 7.71, p < 0.001). Moreover, in FAERS, those with hypertension versus other BC-treatment side-effects were more frequently hospitalized (40.1% vs. 36.7%, p < 0.001), and were most commonly associated with chemotherapy (45.9%). Outside of Eribulin (ROR 3.36; 95% CI 1.37-8.22), no specific drug was associated with a higher reporting of hypertension; however, collectively BC drugs were associated with a higher odds of hypertension (ROR 1.66; 95% CI 1.09-2.53). CONCLUSIONS BC therapies are associated with a substantial increase in limiting hypertension.
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Affiliation(s)
- Rebecca R. Carter
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
- The Center for the Advancement of Team Science, Analytics, and Systems Thinking (CATALYST)Ohio State UniversityColumbusOhioUSA
| | - Aaron P. Chum
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
| | - Reynaldo Sanchez
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
| | - Avirup Guha
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
- Harrington Heart and Vascular InstituteCase Western Reserve UniversityClevelandOhioUSA
| | - Amit K. Dey
- National Heart Lung and Blood InstituteBethesdaMarylandUSA
| | - Raquel Reinbolt
- Solove Research InstituteThe Ohio State University Comprehensive Cancer Center – James Cancer HospitalColumbusOhioUSA
| | - Lisa Kim
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
| | - Prince Otchere
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
| | - Oduro Oppong‐Nkrumah
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
| | - William T. Abraham
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
| | - Maryam Lustberg
- Solove Research InstituteThe Ohio State University Comprehensive Cancer Center – James Cancer HospitalColumbusOhioUSA
| | - Daniel Addison
- Cardio‐Oncology Program, Division of CardiologyOhio State UniversityColumbusOhioUSA
- Cancer Control Program, Department of MedicineOhio State University Comprehensive Cancer CenterColumbusOhioUSA
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13
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Exercise Leg Blood Flow Is Preserved in Long-term Breast Cancer Survivors Previously Treated With Anthracycline Chemotherapy. J Cardiopulm Rehabil Prev 2023; 43:61-65. [PMID: 36223443 DOI: 10.1097/hcr.0000000000000718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE The objective of this investigation was to compare the acute hemodynamic responses during single-leg knee extension (SLKE) exercise between female breast cancer (BC) survivors previously treated with anthracycline chemotherapy and age- and sex-matched control (CON) subjects. METHODS Fourteen BC survivors (age: 61 ± 7 yr; time post-anthracycline therapy: 12 ± 6 yr) and nine CON subjects (age: 59 ± 7 yr) performed SLKE exercise at 25%, 50%, and 75% of peak power output during which heart rate, blood pressure (BP), leg blood flow (Doppler ultrasonography), and vascular conductance (leg blood flow/mean BP) were measured. Quadriceps mass was estimated from thigh volume and skinfold measures. RESULTS Breast cancer survivors had lower quadriceps mass compared with CON subjects (1803 ± 607 vs 2601 ± 1102 g, P = .04). No difference was found between groups for maximal SLKE power output (28 ± 11 vs 34 ± 17 W, P = .35), heart rate (109 ± 14 vs 103 ± 13 bpm, P = .36), or mean arterial BP (122 ± 18 vs 119 ± 26 mm Hg, P = .33). Rest and submaximal exercise mean arterial BP, leg blood flow (indexed to quadriceps muscle mass), and leg vascular conductance were not significantly different between BC survivors and CON subjects. CONCLUSION Leg blood flow during submaximal SLKE exercise is preserved in long-term BC survivors previously treated with anthracycline chemotherapy.
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14
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Beaudry RI, Haykowsky MJ, MacNamara JP, Tucker WJ, Rao R, Haley B, Sarma S. Cardiac mechanisms for low aerobic power in anthracycline treated, older, long-term breast cancer survivors. CARDIO-ONCOLOGY 2022; 8:8. [PMID: 35410444 PMCID: PMC8996415 DOI: 10.1186/s40959-022-00134-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 04/04/2022] [Indexed: 11/13/2022]
Abstract
Breast cancer survivors have reduced peak aerobic capacity (VO2peak) which may be related to latent or lingering chemotherapy induced cardiac damage. Nine, older (67 ± 3 years), long-term survivors (9.8 years) of anthracycline based chemotherapy and age- and sex-matched healthy controls were recruited and tested to determine whether: i) VO2peak remains reduced in long-term survivorship; and ii) reductions in VO2peak are due to cardiac dysfunction. VO2peak was significantly reduced in breast cancer survivors relative to healthy controls (15.9 ± 2.0 vs 19.9 ± 3.1 ml/kg/min, p = 0.006), however the heart rate and stroke volume responses to exercise were normal (heart rate reserve; 88 ± 9 vs 85 ± 10 bpm, p = 0.62: stroke volume reserve; 13 ± 6 vs 13 ± 9 ml,p = 0.94). These findings indicate low-normal ventricular size in long-term breast cancer survivors, but normal reserve function.
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15
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Kirkham AA, Jerzak KJ. Prevalence of Breast Cancer Survivors Among Canadian Women. J Natl Compr Canc Netw 2022; 20:1005-1011. [PMID: 36075384 DOI: 10.6004/jnccn.2022.7028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 05/03/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND The 49% decrease in breast cancer mortality since 1986 has increased the number of breast cancer survivors requiring survivorship care. The purpose of this analysis was to estimate the 2022 prevalence of breast cancer survivors diagnosed within the past 15 years among Canadian women. METHODS We extracted the projected female breast cancer cases from 2007 to 2021 and rates of net survival (competing noncancer causes of death removed) from the Canadian Cancer Society's statistical reports. Overall survival was extracted from published Ontario data. Using known survival rates for 1, 5, 10, and 15 years, we interpolated remaining years and applied the corresponding net and overall survival rates to the projected cases for each year from 2007 to 2021 to determine survivors in 2022. Prevalence for predefined age groups was also calculated. As an example of excess healthcare costs attributable to breast cancer, we calculated the excess costs of heart failure hospitalizations. RESULTS From 2007 to 2021, there were 370,756 breast cancer cases. Using net survival, 318,429 (85.9%) of these patients were projected to survive breast cancer by 2022, a prevalence of 2.1% of Canadian women. Using overall survival, prevalence was 1.8%. Prevalence increased with age group, from 0.01% of those aged 20 to 24 years to 12.7% of those aged ≥90 years, and from 1.0% among the working and/or child-raising (age 20-64 years) to 5.4% among elderly populations (age ≥65 years). Among these survivors, 24.9% of projected heart failure hospitalizations would be in excess of those among matched control subjects, with projected excess costs of $16.5 million CAD. Given the excess healthcare costs, potential for reduced contributions to the workforce, and reduced quality of life associated with long-term impairments and risk of excess non-breast cancer death, enhanced breast cancer survivorship care is warranted. CONCLUSIONS With an overall prevalence of 2% among Canadian women, breast cancer survivors represent an increasing segment of the working-age and elderly populations.
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Affiliation(s)
- Amy A Kirkham
- University of Toronto, Knowledge, Innovation, Talent and Everywhere (KITE), Toronto Rehabilitation Institute, University Health Network; and
| | - Katarzyna J Jerzak
- Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
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16
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Lammert J, Basrai M, Struck J, Hartmann O, Engel C, Bischoff SC, Berling-Ernst A, Halle M, Kiechle M, Grill S. Associations of Plasma Bioactive Adrenomedullin Levels with Cardiovascular Risk Factors in BRCA1/2 Mutation Carriers. Geburtshilfe Frauenheilkd 2022; 82:601-609. [PMID: 35903716 PMCID: PMC9315398 DOI: 10.1055/a-1811-2164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 03/28/2022] [Indexed: 11/18/2022] Open
Abstract
Background
Cardiovascular disease (CVD) is an important cause of morbidity and mortality in breast cancer survivors. Effective screening modalities to identify CVD risk are lacking
in this population. Adrenomedullin (ADM) has been suggested as a biomarker for subclinical cardiac dysfunction in the general population. Levels of ADM have been proven to be responsive to
lifestyle changes that lead to improved cardiovascular health. As
BRCA1/2
mutation carriers are deemed to be at an increased risk for CVD, the aim of this study was to examine plasma
ADM levels in a cohort of
BRCA
mutation carriers and to assess their association with cardiovascular risk factors.
Methods
Plasma ADM concentrations were measured in 292 female
BRCA1/2
mutation carriers with and without a history of breast cancer. Subjects were classified into high versus
low ADM levels based on the median ADM level in the entire cohort (13.8 pg/mL). Logistic regression models were used to estimate the odds ratios (OR) of having elevated ADM levels by several
cardiovascular risk factors.
Results
Of all women (median age: 43 years), 57.5% had a previous diagnosis of breast cancer. The median time between diagnosis and study entry was three years (range: 0 – 32 years).
Women presenting with metabolic syndrome had 22-fold increased odds of having elevated ADM levels (p < 0.001). Elevated ADM levels were associated with lower cardiorespiratory fitness
(OR = 0.88, p < 0.001) and several parameters of obesity (p < 0.001). ADM levels were higher in women who have ever smoked (OR = 1.72, p = 0.02). ADM levels were not associated with a
previous diagnosis of breast cancer (p = 0.28).
Conclusions
This is the first study in
BRCA
mutation carriers that has linked circulating ADM levels to traditional cardiovascular risk factors. The long-term clinical
implications of these findings are yet to be determined.
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Affiliation(s)
- Jacqueline Lammert
- Department of Gynecology and Center for Hereditary Breast and Ovarian Cancer, University Hospital rechts der Isar, Technical University of Munich (TUM), Munich,
Germany
| | - Maryam Basrai
- Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | | | | | - Christoph Engel
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany
| | - Stephan C. Bischoff
- Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Anika Berling-Ernst
- Department of Prevention and Sports Medicine, University Hospital Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Martin Halle
- Department of Prevention and Sports Medicine, University Hospital Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Marion Kiechle
- Department of Gynecology and Center for Hereditary Breast and Ovarian Cancer, University Hospital rechts der Isar, Technical University of Munich (TUM), Munich,
Germany
| | - Sabine Grill
- Department of Gynecology and Center for Hereditary Breast and Ovarian Cancer, University Hospital rechts der Isar, Technical University of Munich (TUM), Munich,
Germany
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Szczepaniak P, Siedlinski M, Hodorowicz-Zaniewska D, Nosalski R, Mikolajczyk TP, Dobosz AM, Dikalova A, Dikalov S, Streb J, Gara K, Basta P, Krolczyk J, Sulicka-Grodzicka J, Jozefczuk E, Dziewulska A, Saju B, Laksa I, Chen W, Dormer J, Tomaszewski M, Maffia P, Czesnikiewicz-Guzik M, Crea F, Dobrzyn A, Moslehi J, Grodzicki T, Harrison DG, Guzik TJ. Breast cancer chemotherapy induces vascular dysfunction and hypertension through NOX4 dependent mechanism. J Clin Invest 2022; 132:149117. [PMID: 35617030 PMCID: PMC9246378 DOI: 10.1172/jci149117] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/19/2022] [Indexed: 11/17/2022] Open
Abstract
Cardiovascular disease is the major cause of morbidity and mortality in breast cancer survivors. Chemotherapy contributes to this risk. We aimed to define the mechanisms of long-term vascular dysfunction caused by neoadjuvant chemotherapy (NACT) and identify novel therapeutic targets.We studied arteries from postmenopausal women who had undergone breast cancer treatment using docetaxel, doxorubicin and cyclophosphamide (NACT), and women with no history of such treatment matched for key clinical parameters. Mechanisms were explored in wild-type and Nox4-/- mice and human microvascular endothelial cells.Endothelium-dependent vasodilatation is severely impaired in patients after NACT, while endothelium-independent responses remain normal. This was mimicked by 24-hour exposure of arteries to NACT agents ex-vivo. When applied individually, only docetaxel impaired endothelial function in human vessels. Mechanistic studies showed that NACT increased inhibitory eNOS phosphorylation of threonine 495 in a ROCK-dependent manner and augmented vascular superoxide and hydrogen peroxide production and NADPH oxidase activity. Docetaxel increased expression of NADPH oxidase NOX4 in endothelial and smooth muscle cells and NOX2 in the endothelium. NOX4 increase in human arteries may be mediated epigenetically by diminished DNA methylation of the NOX4 promoter. Docetaxel induced endothelial dysfunction and hypertension in mice. These were prevented in Nox4-/- and by pharmacological inhibition of Nox4 or Rock.Commonly used chemotherapeutic agents, and in particular, docetaxel, alter vascular function by promoting inhibitory phosphorylation of eNOS and enhancing ROS production by NADPH oxidases.
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Affiliation(s)
- Piotr Szczepaniak
- Department of Medicine, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - Mateusz Siedlinski
- Department of Medicine, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | | | - Ryszard Nosalski
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Tomasz P Mikolajczyk
- Department of Medicine, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - Aneta M Dobosz
- Laboratory of Cell Signaling and Metabolic Disorders, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - Anna Dikalova
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University, Nashville, United States of America
| | - Sergey Dikalov
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University, Nashville, United States of America
| | - Joanna Streb
- Department of Oncology, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - Katarzyna Gara
- Department of Surgery, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - Pawel Basta
- Department of Gynecology and Gynecological Oncology, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - Jaroslaw Krolczyk
- Department of Internal Medicine and Gerontology, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | | | - Ewelina Jozefczuk
- Department of Medicine, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - Anna Dziewulska
- Laboratory of Cell Signaling and Metabolic Disorders, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - Blessy Saju
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Iwona Laksa
- Department of Oncology, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - Wei Chen
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University, Nashville, United States of America
| | - John Dormer
- Department of Cellular Pathology, University Hospitals of Leicester, Leicester, United Kingdom
| | - Maciej Tomaszewski
- Division of Cardiovascular Sciences, University of Manchester, Manchester, United Kingdom
| | - Pasquale Maffia
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Marta Czesnikiewicz-Guzik
- Department of Periodontology and Oral Sciences Research Group, University of Glasgow, Glasgow, United Kingdom
| | - Filippo Crea
- Department of Cardiovascular and Thoracic Sciences, University of the Sacred Heart, Rome, Italy
| | - Agnieszka Dobrzyn
- Laboratory of Cell Signaling and Metabolic Disorders, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - Javid Moslehi
- University of California San Fransisco, San Francisco, United States of America
| | - Tomasz Grodzicki
- Department of Internal Medicine and Gerontology, Collegium Medicum, Jagiellonian University, Krakow, Poland
| | - David G Harrison
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University, Nashville, United States of America
| | - Tomasz J Guzik
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom
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18
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Paterson DI, Wiebe N, Cheung WY, Mackey JR, Pituskin E, Reiman A, Tonelli M. Incident Cardiovascular Disease Among Adults With Cancer: A Population-Based Cohort Study. JACC CardioOncol 2022; 4:85-94. [PMID: 35492824 PMCID: PMC9040097 DOI: 10.1016/j.jaccao.2022.01.100] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 12/13/2022] Open
Abstract
Background Patients with cancer and cancer survivors are at increased risk for incident heart failure, but there are conflicting data on the long-term risk for other cardiovascular events and how such risk may vary by cancer site. Objectives The aim of this study was to determine the impact of a new cancer diagnosis on the risk for fatal and nonfatal cardiovascular events. Methods Using administrative health care databases, a population-based retrospective cohort study was conducted among 4,519,243 adults residing in Alberta, Canada, from April 2007 to December 2018. Participants with new cancer diagnoses during the study period were compared with those without cancer with respect to risk for subsequent cardiovascular events (cardiovascular mortality, myocardial infarction, stroke, heart failure, and pulmonary embolism) using time-to-event survival models after adjusting for sociodemographic data and comorbidities. Results A total of 224,016 participants with new cancer diagnoses were identified, as well as 73,360 cardiovascular deaths and 470,481 nonfatal cardiovascular events during a median follow-up period of 11.8 years. After adjustment, participants with cancer had HRs of 1.33 (95% CI: 1.29-1.37) for cardiovascular mortality, 1.01 (95% CI: 0.97-1.05) for myocardial infarction, 1.44 (95% CI: 1.41-1.47) for stroke, 1.62 (95% CI: 1.59-1.65) for heart failure, and 3.43 (95% CI: 3.37-3.50) for pulmonary embolism, compared with participants without cancer. Cardiovascular risk was highest for patients with genitourinary, gastrointestinal, thoracic, nervous system and hematologic malignancies. Conclusions A new cancer diagnosis is independently associated with a significantly increased risk for cardiovascular death and nonfatal morbidity regardless of cancer site. These findings highlight the need for a collaborative approach to health care for patients with cancer and cancer survivors.
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Affiliation(s)
- D. Ian Paterson
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Natasha Wiebe
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Winson Y. Cheung
- Department of Oncology, University of Calgary, Calgary, Alberta, Canada
| | - John R. Mackey
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - Edith Pituskin
- Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada
| | - Anthony Reiman
- Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Marcello Tonelli
- Department of Medicine, University of Calgary, Calgary, Alberta, Canada
- Address for correspondence: Dr Marcello Tonelli, University of Calgary, 7th Floor, TRW Building, 3280 Hospital Drive NW, Calgary, Alberta T2N 4Z6, Canada. @cellotonelli
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19
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Reported Signs, Symptoms, and Diagnostic Tests Before Cardiotoxicity Among Women With Breast Cancer: A Pilot Study. J Cardiovasc Nurs 2022; 37:104-111. [PMID: 34369915 PMCID: PMC9070097 DOI: 10.1097/jcn.0000000000000848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Cardiotoxicity after cancer treatment is a potentially preventable life-threatening complication among women with breast cancer. There is no algorithm to identify women with breast cancer at risk of cardiotoxicity. OBJECTIVES We quantified signs and symptoms as well as selected laboratory values among women with breast cancer who developed cardiotoxicity. METHODS The clinical characteristics (n = 15) were collected from electronic health records. Spearman correlation coefficients and a nonparametric statistical test were used to analyze data. RESULTS Significant statistical differences were detected in the laboratory values comparing the first and second half of 6 months before cardiotoxicity including alanine aminotransferase (U/L) (30.67 ± 26.27 and 42.31 ± 35.65, respectively; P = .03, Cohen's d = 0.37). A negative correlation was found between estimated glomerular filtration rate and new onset of more than 1 sign or symptom (Spearman's ρ = -0.5, P = .06). CONCLUSIONS Investigating clinical characteristics before cardiotoxicity may determine the mechanism(s) and identify high-risk patients.
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20
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Kirkham AA, Pituskin E, Mackey JR, Grenier JG, Ian Paterson D, Haykowsky MJ, Thompson RB. OUP accepted manuscript. Oncologist 2022; 27:e748-e754. [PMID: 35579489 PMCID: PMC9438914 DOI: 10.1093/oncolo/oyac092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 03/25/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
| | | | | | | | | | | | - Richard B Thompson
- Corresponding author: Richard B Thompson, PhD, Biomedical Engineering, University of Alberta, 1098-8308 114 Street, Edmonton, Canada T6G 2V2. Tel: +1 780 492 8665; Fax: +1 780 492 8259;
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21
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Avagimyan AA, Mkrtchyan LH, Gevorkyan AA, Kononchuk NB, Kakturskiy LV, Djndoyan ZT. Relationship between Chemotherapy and Atrial Fibrillation: Clinical Case. RATIONAL PHARMACOTHERAPY IN CARDIOLOGY 2021. [DOI: 10.20996/1819-6446-2021-10-17] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The aim of this article is to represent the characterization of the clinical case of chemotherapy-related atrial fibrillation (AF) development in the young woman, elaborated as a result of multiple neoadjuvant and adjuvant modes of the intake of chemotherapy (both anthracycline based and non-anthracycline ones). In this case, the noted disturbances of heart rhythm should be recognized as a manifestation of cardiotoxicity. The latter implies the degree of detrimental effect of chemotherapeutical medication on the morphophynctional parameters of the cardiovascular system. Anthracycline drugs, being highly effective chemotherapytical agents, provide well-known toxic effects on the heart and vessels. Anthracycline mediated cardiotoxicity is a well- known veracity that dates back to the 60s of the last century, but up to now this medication sustains irreplaceable components of big volume of chemotherapy modes. Moreover, it should be noted that relatively newer drugs also posses certain cardiotoxicogenic potential.
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22
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Overstreet B, Kirkman D, Qualters WK, Kerrigan D, Haykowsky MJ, Tweet MS, Christle JW, Brawner CA, Ehrman JK, Keteyian SJ. Rethinking Rehabilitation: A REVIEW OF PATIENT POPULATIONS WHO CAN BENEFIT FROM CARDIAC REHABILITATION. J Cardiopulm Rehabil Prev 2021; 41:389-399. [PMID: 34727558 DOI: 10.1097/hcr.0000000000000654] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Although cardiac rehabilitation (CR) is safe and highly effective for individuals with various cardiovascular health conditions, to date there are only seven diagnoses or procedures identified by the Centers for Medicare & Medicaid Services that qualify for referral. When considering the growing number of individuals with cardiovascular disease (CVD), or other health conditions that increase the risk for CVD, it is important to determine the extent for which CR could benefit these populations. Furthermore, there are some patients who may currently be eligible for CR (spontaneous coronary artery dissection, left ventricular assistant device) but make up a relatively small proportion of the populations that are regularly attending and participating. Thus, these patient populations and special considerations for exercise might be less familiar to professionals who are supervising their programs. The purpose of this review is to summarize the current literature surrounding exercise testing and programming among four specific patient populations that either do not currently qualify for (chronic and end-stage renal disease, breast cancer survivor) or who are eligible but less commonly seen in CR (sudden coronary artery dissection, left ventricular assist device). While current evidence suggests that individuals with these health conditions can safely participate in and may benefit from supervised exercise programming, there is an immediate need for high-quality, multisite clinical trials to develop more specific exercise recommendations and support the inclusion of these populations in future CR programs.
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Affiliation(s)
- Brittany Overstreet
- Kinesiology and Applied Physiology Department, University of Delaware, Newark (Dr Overstreet); Department of Kinesiology and Health Sciences, Virginia Commonwealth University, Richmond (Dr Kirkman); Division of Cardiovascular Medicine, Henry Ford Health System, Detroit, Michigan (Ms Qualters and Drs Kerrigan, Brawner, Ehrman, and Keteyian); Faculty of Nursing, University of Alberta, Edmonton, Canada (Dr Haykowsky); Department of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota (Dr Tweet); and Division of Cardiovascular Medicine, Department of Medicine, Stanford University, Stanford, California (Dr Christle)
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23
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Christensen RAG, Kirkham AA. Time-Restricted Eating: A Novel and Simple Dietary Intervention for Primary and Secondary Prevention of Breast Cancer and Cardiovascular Disease. Nutrients 2021; 13:3476. [PMID: 34684476 PMCID: PMC8537890 DOI: 10.3390/nu13103476] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 09/28/2021] [Accepted: 09/28/2021] [Indexed: 12/20/2022] Open
Abstract
There is substantial overlap in risk factors for the pathogenesis and progression of breast cancer (BC) and cardiovascular disease (CVD), including obesity, metabolic disturbances, and chronic inflammation. These unifying features remain prevalent after a BC diagnosis and are exacerbated by BC treatment, resulting in elevated CVD risk among survivors. Thus, therapies that target these risk factors or mechanisms are likely to be effective for the prevention or progression of both conditions. In this narrative review, we propose time-restricted eating (TRE) as a simple lifestyle therapy to address many upstream causative factors associated with both BC and CVD. TRE is simple dietary strategy that typically involves the consumption of ad libitum energy intake within 8 h, followed by a 16-h fast. We describe the feasibility and safety of TRE and the available evidence for the impact of TRE on metabolic, cardiovascular, and cancer-specific health benefits. We also highlight potential solutions for overcoming barriers to adoption and adherence and areas requiring future research. In composite, we make the case for the use of TRE as a novel, safe, and feasible intervention for primary and secondary BC prevention, as well as tertiary prevention as it relates to CVD in BC survivors.
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Affiliation(s)
| | - Amy A. Kirkham
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2C9, Canada
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24
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Rickard JN, Eswaran A, Small SD, Bonsignore A, Pakosh M, Oh P, Kirkham AA. Evaluation of the Structure and Health Impacts of Exercise-Based Cardiac and Pulmonary Rehabilitation and Prehabilitation for Individuals With Cancer: A Systematic Review and Meta-Analysis. Front Cardiovasc Med 2021; 8:739473. [PMID: 34631836 PMCID: PMC8494200 DOI: 10.3389/fcvm.2021.739473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 08/25/2021] [Indexed: 12/11/2022] Open
Abstract
Exercise-based, multimodal rehabilitation programming similar to that used in the existing models of cardiac or pulmonary rehabilitation or prehabilitation is a holistic potential solution to address the range of physical, psychological, and existential (e.g., as their diagnosis relates to potential death) stressors associated with a cancer diagnosis and subsequent treatment. The purpose of this study was to systematically evaluate the structure and format of any type of exercise-based, multimodal rehabilitation programs used in individuals with cancer and the evidence base for their real-world effectiveness on metrics of physical (e.g., cardiorespiratory fitness, blood pressure) and psychological (e.g., health-related quality of life) health. Very few of the 33 included exercise-based, multimodal rehabilitation programs employed intervention components, education topics, and program support staff that were multi-disciplinary or cancer-specific. In particular, a greater emphasis on nutrition care, and the evaluation and management of psychosocial distress and CVD risk factors, with cancer-specific adaptations, would broaden and maximize the holistic health benefits of exercise-based rehabilitation. Despite these opportunities for improvement, exercise-based, multimodal rehabilitation programs utilized under real-world settings in individuals with cancer produced clinically meaningful and large effect sizes for cardiorespiratory fitness (VO2peak, ±2.9 mL/kg/min, 95% CI = 2.6 to 3.3) and 6-minute walk distance (+47 meters, 95% CI = 23 to 71), and medium effect sizes for various measures of cancer-specific, health-related quality of life. However, there were no changes to blood pressure, body mass index, or lung function. Overall, these findings suggest that exercise-based, multimodal rehabilitation is a real-world therapy that improves physical and psychological health among individuals with cancer, but the holistic health benefits of this intervention would likely be enhanced by addressing nutrition, psychosocial concerns, and risk factor management through education and counselling with consideration of the needs of an individual with cancer.
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Affiliation(s)
- Julia N. Rickard
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
| | - Arun Eswaran
- Lawrence S Bloomberg Faculty of Nursing, University of Toronto, Toronto, ON, Canada
| | - Stephanie D. Small
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
| | - Alis Bonsignore
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
| | - Maureen Pakosh
- Library & Information Services, Toronto Rehabilitation Institute, Toronto, ON, Canada
| | - Paul Oh
- Cardiovascular Prevention and Rehabilitation Program, Toronto Rehabilitation Institute, Toronto, ON, Canada
| | - Amy A. Kirkham
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
- Cardiovascular Prevention and Rehabilitation Program, Toronto Rehabilitation Institute, Toronto, ON, Canada
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25
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Mulvagh SL, Mullen KA, Nerenberg KA, Kirkham AA, Green CR, Dhukai AR, Grewal J, Hardy M, Harvey PJ, Ahmed SB, Hart D, Levinsson AL, Parry M, Foulds HJ, Pacheco C, Dumanski SM, Smith G, Norris CM. The Canadian Women’s Heart Health Alliance Atlas on the Epidemiology, Diagnosis, and Management of Cardiovascular Disease in Women — Chapter 4: Sex- and Gender-Unique Disparities: CVD Across the Lifespan of a Woman. CJC Open 2021; 4:115-132. [PMID: 35198930 PMCID: PMC8843896 DOI: 10.1016/j.cjco.2021.09.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 09/13/2021] [Indexed: 02/09/2023] Open
Abstract
Women have unique sex- and gender-related risk factors for cardiovascular disease (CVD) that can present or evolve over their lifespan. Pregnancy-associated conditions, polycystic ovarian syndrome, and menopause can increase a woman’s risk of CVD. Women are at greater risk for autoimmune rheumatic disorders, which play a role in the predisposition and pathogenesis of CVD. The influence of traditional CVD risk factors (eg, smoking, hypertension, diabetes, obesity, physical inactivity, depression, anxiety, and family history) is greater in women than men. Finally, there are sex differences in the response to treatments for CVD risk and comorbid disease processes. In this Atlas chapter we review sex- and gender-unique CVD risk factors that can occur across a woman’s lifespan, with the aim to reduce knowledge gaps and guide the development of optimal strategies for awareness and treatment.
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26
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Kirkham AA, Haykowsky MJ, Beaudry RI, Grenier JG, Mackey JR, Pituskin E, Paterson DI, Thompson RB. Cardiac and skeletal muscle predictors of impaired cardiorespiratory fitness post-anthracycline chemotherapy for breast cancer. Sci Rep 2021; 11:14005. [PMID: 34234163 PMCID: PMC8263737 DOI: 10.1038/s41598-021-93241-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 06/22/2021] [Indexed: 12/05/2022] Open
Abstract
This study aimed to characterize peak exercise cardiac function and thigh muscle fatty infiltration and their relationships with VO2peak among anthracycline-treated breast cancer survivors (BCS). BCS who received anthracycline chemotherapy ~ 1 year earlier (n = 16) and matched controls (matched-CON, n = 16) were enrolled. Resting and peak exercise cardiac function, myocardial T1 mapping (marker of fibrosis), and thigh muscle fat infiltration were assessed by magnetic resonance imaging, and VO2peak by cycle test. Compared to matched-CON, BCS had lower peak SV (64 ± 9 vs 57 ± 10 mL/m2, p = 0.038), GLS (- 30.4 ± 2.2 vs - 28.0 ± 2.5%, p = 0.008), and arteriovenous oxygen difference (16.4 ± 3.6 vs 15.2 ± 3.9 mL/100 mL, p = 0.054). Mediation analysis showed: (1) greater myocardial T1 time (fibrosis) is inversely related to cardiac output and end-systolic volume exercise reserve; (2) greater thigh muscle fatty infiltration is inversely related to arteriovenous oxygen difference; both of which negatively influence VO2peak. Peak SV (R2 = 65%) and thigh muscle fat fraction (R2 = 68%) were similarly strong independent predictors of VO2peak in BCS and matched-CON combined. Post-anthracyclines, myocardial fibrosis is associated with impaired cardiac reserve, and thigh muscle fatty infiltration is associated with impaired oxygen extraction, which both contribute to VO2peak.
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Affiliation(s)
- Amy A Kirkham
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, Canada
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | | | - Rhys I Beaudry
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Justin G Grenier
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - John R Mackey
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Edith Pituskin
- Faculty of Nursing, University of Alberta, Edmonton, Canada
| | - D Ian Paterson
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Richard B Thompson
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada.
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27
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Bell RA, Baldi JC, Jones LM. Additional cardiovascular fitness when progressing from moderate- to high-intensity exercise training in previously trained breast cancer survivors. Support Care Cancer 2021; 29:6645-6650. [PMID: 33956212 DOI: 10.1007/s00520-021-06259-w] [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: 08/13/2020] [Accepted: 04/28/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE Cardiovascular disease, often secondary to chemotherapy, is the leading cause of death in BC survivors. Increased aerobic capacity improves post-rehabilitation survival; however, many cancer rehabilitation programs are limited to lower intensity training. High-intensity interval training (HIIT) is associated with the largest improvements in aerobic capacity; therefore, this study aimed to determine whether HIIT would cause a greater increase in VO2peak than continuous moderate-intensity (MICT) exercise in previously trained BC survivors. METHODS Twenty BC survivors who had completed a low/moderate-intensity exercise rehabilitation program performed a VO2peak test and received a dual-energy X-ray absorptiometry (DXA) scan at baseline and after randomization into a 12-week HIIT or MICT program. ANOVA with repeated measures determined the effects of the different training programs on aerobic capacity and body composition. RESULTS Both groups began the training program near or above age- and sex-matched VO2peak norms. Pre- to post-intervention improvements in VO2peak (P = 0.006) and waist circumference (P = 0.007) were found in both groups; however, there were no between-group differences. Minute ventilation and peak workload increased in the HIIT group (P < 0.05) but not the MICT group. Body composition was not different after either training program. CONCLUSIONS These data suggest that transitioning from low/moderate-intensity exercise to moderate/high-intensity exercise causes further clinically relevant increases in VO2peak in previously trained BC survivors. HIIT did not cause a significantly greater improvement in VO2peak than MICT; however, future studies with greater intensity and frequency of training are encouraged.
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Affiliation(s)
- Richard A Bell
- School of Physical Education, Sport & Exercise Sciences, University of Otago, PO Box 56, Dunedin, New Zealand.,Department of Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - James C Baldi
- Department of Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - Lynnette M Jones
- School of Physical Education, Sport & Exercise Sciences, University of Otago, PO Box 56, Dunedin, New Zealand.
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28
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Jafari A, Sheikholeslami-Vatani D, Khosrobakhsh F, Khaledi N. Synergistic Effects of Exercise Training and Vitamin D Supplementation on Mitochondrial Function of Cardiac Tissue, Antioxidant Capacity, and Tumor Growth in Breast Cancer in Bearing-4T1 Mice. Front Physiol 2021; 12:640237. [PMID: 33927639 PMCID: PMC8076802 DOI: 10.3389/fphys.2021.640237] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/17/2021] [Indexed: 01/15/2023] Open
Abstract
Both regular exercise training and vitamin D consumption are beneficial for patients with cancer. The study investigated the effects of interval exercise training (IET) or/and vitamin D supplementation on the gene expression involved in mitochondrial function of heart tissue, tumor size, and total antioxidant capacity (TAC) in breast cancer (BC) model mice. We assigned random 40 female NMRI mice to five equal groups (n = 8); the healthy control group (H.C), cancer control group (Ca.C), cancer with the vitamin D group (Ca.VD), cancer exercise group (Ca.Ex), and cancer exercise along with the vitamin D group (Ca.Ex.VD). Forty-eight hours after treatment, we anesthetized the animals and performed the isolation of heart tissue and blood serum for further studies. The results showed that the lowest mean body weight at the end of the treatments was related to Ca.C (p = 0.001). Vitamin D treatment alone has increased tumor volume growth by approximately 23%; in contrast, co-treatment with exercise and vitamin D inhibited tumor growth in mice (P = 0.001), compared with the cancer control (12%). TAC levels were higher in the group that received both vitamin D and exercise training (Ca.Ex.VD) than in the other treatment groups (Ca.VD and Ca.Ex) (p = 0.001). In cardiac tissue, vitamin D treatment induces an elevation significantly of the mRNA expression of Pgc1-α, Mfn-1, and Drp-1 genes (p = 0.001). The study has shown the overexpression of vitamin D in female mice, and synergistic effects of IET with vitamin D on weight loss controlling, antitumorigenesis, improvement of antioxidant defense, and the modulation of gene expression. The synergistic responses were likely by increasing mitochondrial fusion and TAC to control oxidative stress. We recommended being conducted further studies on mitochondrial dynamics and biogenesis focusing on risk factors of cardiovascular disease (CVD) in patients with BC.
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Affiliation(s)
- Ali Jafari
- Department of Physical Education and Sport Sciences, University of Kurdistan, Sanandaj, Iran
| | | | - Farnoosh Khosrobakhsh
- Department of Cellular and Molecular Biology, Faculty of Science, University of Kurdistan, Sanandaj, Iran
| | - Neda Khaledi
- Physical Education and Sports Sciences College, Kharazmi University, Karaj, Iran
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29
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Díaz-Balboa E, González-Salvado V, Rodríguez-Romero B, Martínez-Monzonís A, Pedreira-Pérez M, Palacios-Ozores P, López-López R, Peña-Gil C, González-Juanatey JR. A randomized trial to evaluate the impact of exercise-based cardiac rehabilitation for the prevention of chemotherapy-induced cardiotoxicity in patients with breast cancer: ONCORE study protocol. BMC Cardiovasc Disord 2021; 21:165. [PMID: 33827450 PMCID: PMC8025895 DOI: 10.1186/s12872-021-01970-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/29/2021] [Indexed: 12/21/2022] Open
Abstract
Background Anthracyclines and monoclonal antibodies against human epidermal growth factor receptor-2 (HER2) are frequently used to treat breast cancer but they are associated with risk of developing cardiotoxicity. Implementation of cardioprotective strategies as part of breast cancer treatment are needed. To date, a limited number of studies have examined the effectiveness of cardiac rehabilitation programs or exercise programs in the prevention of cardiotoxicity through an integral assessment of cardiac function. The ONCORE study proposes an exercise-based cardiac rehabilitation program as a non-pharmacological tool for the management of chemotherapy-induced cardiotoxicity. Methods The study protocol describes a prospective, randomized controlled trial aimed to determine whether an intervention through an exercise-based CR program can effectively prevent cardiotoxicity induced by anthracyclines and/or anti-HER2 antibodies in women with breast cancer. Three hundred and forty women with breast cancer at early stages scheduled to receive cardiotoxic chemotherapy will be randomly assigned (1:1) to participation in an exercise-based CR program (intervention group) or to usual care and physical activity recommendation (control group). Primary outcomes include changes in left ventricular ejection fraction and global longitudinal strain as markers of cardiac dysfunction assessed by transthoracic echocardiography. Secondary outcomes comprise levels of cardiovascular biomarkers and cardiopulmonary function through peak oxygen uptake determination, physical performance and psychosocial status. Supervised exercise program-related outcomes including safety, adherence/compliance, expectations and physical exercise in- and out-of-hospital are studied as exploratory outcomes. Transthoracic echocardiography, clinical test and questionnaires will be performed at the beginning and two weeks after completion of chemotherapy. Discussion The growing incidence of breast cancer and the risk of cardiotoxicity derived from cancer treatments demand adjuvant cardioprotective strategies. The proposed study may determine if an exercise-based CR program is effective in minimizing chemotherapy-induced cardiotoxicity in this population of women with early-stage breast cancer. The proposed research question is concrete, with relevant clinical implications, transferable to clinical practice and achievable with low risk. Trial registration ClinicalTrials.gov Identifier: NCT03964142. Registered on 28 May 2019. Retrospectively registered. https://clinicaltrials.gov/ct2/show/NCT03964142 Supplementary Information The online version contains supplementary material available at 10.1186/s12872-021-01970-2.
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Affiliation(s)
- Estíbaliz Díaz-Balboa
- Cardiology Department, Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), University Clinical Hospital of Santiago de Compostela (SERGAS), A Choupana s/n, 15706, Santiago de Compostela, A Coruña, Spain. .,Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain. .,Department of Physiotherapy, Medicine and Biomedical Sciences, Faculty of Physiotherapy, University of A Coruña, A Coruña, Spain.
| | - Violeta González-Salvado
- Cardiology Department, Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), University Clinical Hospital of Santiago de Compostela (SERGAS), A Choupana s/n, 15706, Santiago de Compostela, A Coruña, Spain.,Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain
| | - Beatriz Rodríguez-Romero
- Psychosocial Intervention and Functional Rehabilitation Research Group, Department of Physiotherapy, Medicine and Biomedical Sciences, Faculty of Physiotherapy, University of A Coruña, A Coruña, Spain
| | - Amparo Martínez-Monzonís
- Cardiology Department, Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), University Clinical Hospital of Santiago de Compostela (SERGAS), A Choupana s/n, 15706, Santiago de Compostela, A Coruña, Spain.,Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain
| | - Milagros Pedreira-Pérez
- Cardiology Department, Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), University Clinical Hospital of Santiago de Compostela (SERGAS), A Choupana s/n, 15706, Santiago de Compostela, A Coruña, Spain.,Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain
| | - Patricia Palacios-Ozores
- Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain.,Medical Oncology Department and Translational Medical Oncology Group, Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Santiago de Compostela University School of Medicine, University Clinical Hospital of Santiago (SERGAS), Santiago de Compostela, A Coruña, Spain
| | - Rafael López-López
- Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain.,Medical Oncology Department and Translational Medical Oncology Group, Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Santiago de Compostela University School of Medicine, University Clinical Hospital of Santiago (SERGAS), Santiago de Compostela, A Coruña, Spain
| | - Carlos Peña-Gil
- Cardiology Department, Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), University Clinical Hospital of Santiago de Compostela (SERGAS), A Choupana s/n, 15706, Santiago de Compostela, A Coruña, Spain.,Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain
| | - José R González-Juanatey
- Cardiology Department, Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), University Clinical Hospital of Santiago de Compostela (SERGAS), A Choupana s/n, 15706, Santiago de Compostela, A Coruña, Spain.,Health Research Institute of Santiago de Compostela (IDIS), A Coruña, Spain
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30
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Postigo-Martin P, Peñafiel-Burkhardt R, Gallart-Aragón T, Alcaide-Lucena M, Artacho-Cordón F, Galiano-Castillo N, Fernández-Lao C, Martín-Martín L, Lozano-Lozano M, Ruíz-Vozmediano J, Moreno-Gutiérrez S, Illescas-Montes R, Arroyo-Morales M, Cantarero-Villanueva I. Attenuating Treatment-Related Cardiotoxicity in Women Recently Diagnosed With Breast Cancer via a Tailored Therapeutic Exercise Program: Protocol of the ATOPE Trial. Phys Ther 2021; 101:6124131. [PMID: 33528004 DOI: 10.1093/ptj/pzab014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 08/09/2020] [Accepted: 12/01/2020] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Therapeutic exercise is already used to ameliorate some of the side effects of cancer treatment. Recent studies examined its preventive potential regarding treatment-related toxicity, which can increase the risk of functional decline and lead to disease recurrence and death. This trial will examine whether the Tailored Therapeutic Exercise and Recovery Strategies (ATOPE) program, performed before treatment, can mitigate the onset and extent of cardiotoxicity beyond that achieved when the program is followed during treatment in recently diagnosed breast cancer patients. METHODS The intervention has a preparatory phase plus 12 to 18 sessions of tailored, high-intensity exercise, and post-exercise recovery strategies. A total of 120 women recently diagnosed with breast cancer, at risk of cardiotoxicity due to anticancer treatment awaiting surgery followed by chemotherapy and/or radiotherapy, will be randomized to either group. In a feasibility study, measurements related to recruitment rate, satisfaction with the program, adherence to them, the retention of participants, safety, and adverse effects will be explored. In the main trial, the efficacy of these interventions will be examined. The major outcome will be cardiotoxicity, assessed echocardiographically via the left ventricular ejection fraction. Other clinical, physical, and anthropometric outcomes and biological and hormonal variables will also be assessed after diagnosis, after treatment, 1 year after treatment ends, and 3 years after treatment ends. CONCLUSION Given its potential effect on patient survival, the mitigation of cardiotoxicity is a priority, and physical therapists have an important role in this mitigation. If the ATOPE intervention performed before treatment returns better cardioprotection results, it may be recommendable that patients recently diagnosed follow this program. IMPACT The ATOPE program will highlight the need for a physical therapist intervention from the moment of diagnosis, in the prevention or mitigation of cardiotoxicity, in women with breast cancer. It could help physical therapists to establish an adequate therapeutic exercise dose adapted to breast cancer patients and to propose correct therapeutic exercise prescription according to the assimilation of the sessions.
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Affiliation(s)
- Paula Postigo-Martin
- Health Sciences Faculty, University of Granada, Spain.,Sport and Health Research Center (IMUDs), Granada, Spain.,Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain
| | | | | | | | - Francisco Artacho-Cordón
- Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain.,Department of Radiology and Physical Medicine, University of Granada, Granada, Spain
| | - Noelia Galiano-Castillo
- Health Sciences Faculty, University of Granada, Spain.,Sport and Health Research Center (IMUDs), Granada, Spain.,Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain.,Unit of Excellence on Exercise and Health (UCEES), University of Granada, Granada, Spain
| | - Carolina Fernández-Lao
- Health Sciences Faculty, University of Granada, Spain.,Sport and Health Research Center (IMUDs), Granada, Spain.,Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain.,Unit of Excellence on Exercise and Health (UCEES), University of Granada, Granada, Spain
| | - Lydia Martín-Martín
- Health Sciences Faculty, University of Granada, Spain.,Sport and Health Research Center (IMUDs), Granada, Spain.,Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain.,Unit of Excellence on Exercise and Health (UCEES), University of Granada, Granada, Spain
| | - Mario Lozano-Lozano
- Health Sciences Faculty, University of Granada, Spain.,Sport and Health Research Center (IMUDs), Granada, Spain.,Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain.,Unit of Excellence on Exercise and Health (UCEES), University of Granada, Granada, Spain
| | | | - Salvador Moreno-Gutiérrez
- Department of Computer Architecture and Technology, Information and Communication Technologies Research Center (CITIC), University of Granada, Spain
| | | | - Manuel Arroyo-Morales
- Health Sciences Faculty, University of Granada, Spain.,Sport and Health Research Center (IMUDs), Granada, Spain.,Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain.,Unit of Excellence on Exercise and Health (UCEES), University of Granada, Granada, Spain
| | - Irene Cantarero-Villanueva
- Health Sciences Faculty, University of Granada, Spain.,Sport and Health Research Center (IMUDs), Granada, Spain.,Institute for Biomedical Research (ibs.GRANADA), University Hospital Complex of Granada, University of Granada, Granada, Spain.,Unit of Excellence on Exercise and Health (UCEES), University of Granada, Granada, Spain
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An Improved Stress-Scale Specifically Designed to Measure Stress of Women with Newly Diagnosed Breast Cancer. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18052346. [PMID: 33673627 PMCID: PMC7967728 DOI: 10.3390/ijerph18052346] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/20/2021] [Accepted: 02/23/2021] [Indexed: 01/22/2023]
Abstract
Most breast cancer patients are middle-aged women actively involved in establishing a family, developing a career, or raising children. With the exception of the Newly Diagnosed Breast Cancer Stress Scale (NDBCSS), few stress scales have been designed for women with breast cancer. This study checked the dimensionality of the NDBCSS by confirmatory factor analysis (CFA) and the results showed a poor fit, indicating an urgent need for improvement. Exploratory factor analysis (EFA) using the varimax rotation method was performed to improve the model, the revised NDBCSS (NDBCSS-R), which showed a good Kaiser-Meyer-Olkin value, Bartlett’s test of sphericity, and internal consistency reliability. The NDBCSS-R showed improved indices compared with NDBCSS, including: chi-square fit statistics/degree of freedom (CMIN/DF), goodness-of-fit index (GFI), adjusted goodness of fit index (AGFI), normed fix index (NFI), relative fit index (RFI), incremental fix index (IFI), Tucker–Lewis index (TLI), comparative fix index (CFI), root mean square error of approximation (RMSEA), root mean square residual (RMR), parsimonious goodness-fit-index (PGFI), and parsimonious normed fit index (PNFI). In conclusion, the improved NDBCSS-R can provide health professionals with an early understanding of the stress levels of women with breast cancer so that they can provide immediate medical intervention to prevent vicious cycles in a timely manner.
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Kirkham AA, Paterson DI, Haykowsky MJ, Beaudry RI, Mackey JR, Pituskin E, Grenier JG, Thompson RB. Aerobic Fitness Is Related to Myocardial Fibrosis Post-Anthracycline Therapy. Med Sci Sports Exerc 2021; 53:267-274. [PMID: 32826630 DOI: 10.1249/mss.0000000000002469] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE We evaluated the impact of anthracyclines on left ventricular function and myocardial tissue characteristics using cardiovascular magnetic resonance (CMR) imaging to determine their relationship with V˙O2peak. METHODS Women with breast cancer who had not yet received treatment (No-AT, n = 16) and had received anthracycline treatment ~1 yr earlier (Post-AT, n = 16) and controls without cancer (CON, n = 16) performed a maximal exercise test and a comprehensive 3T CMR examination, including native myocardial T1 mapping, where elevated T1 times are indicative of myocardial fibrosis. ANOVA and linear regression were used to compare CMR variables between groups and to determine associations with V˙O2peak. Subgroup analysis was performed by categorizing participants as "fit" or "unfit" based on whether their V˙O2peak value was greater or less than 100% of reference value for age, respectively. RESULTS Left ventricular end-diastolic volume, ejection fraction, and mass were similar between groups. Post-AT, T1 times were elevated (1534 ± 32 vs 1503 ± 28 ms, P < 0.01), and V˙O2peak was reduced (23.1 ± 7.5 vs 29.5 ± 7.7 mL·kg-1⋅min-1, P = 0.02) compared with CON. In No-AT, T1 times and V˙O2peak were similar to CON. In the Post-AT group, T1 time was associated with V˙O2peak (R2 = 64%), whereas in the absence of anthracyclines (i.e., No-AT and CON groups), T1 time was not associated with V˙O2peak. Regardless of group, all fit women had similar T1 times, whereas unfit women Post-AT had higher T1 than unfit CON (1546 ± 22 vs 1500 ± 33 ms, P < 0.01). CONCLUSIONS After anthracycline chemotherapy, an elevated T1 time suggesting greater extent of myocardial fibrosis, was associated with lower V˙O2peak. However, those who were fit did not have evidence of myocardial fibrosis after anthracycline treatment.
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Affiliation(s)
- Amy Ashley Kirkham
- Department of Biomedical Engineering, University of Alberta, Edmonton, AB, CANADA
| | - D Ian Paterson
- Division of Cardiology, University of Alberta, Edmonton, AB, CANADA
| | | | - Rhys I Beaudry
- College of Nursing and Health Innovation, University of Texas at Arlington, Arlington, TX
| | - John R Mackey
- Department of Oncology, University of Alberta, Edmonton, AB, CANADA
| | - Edith Pituskin
- Faculty of Nursing, University of Alberta, Edmonton, AB, CANADA
| | - Justin G Grenier
- Department of Biomedical Engineering, University of Alberta, Edmonton, AB, CANADA
| | - Richard B Thompson
- Department of Biomedical Engineering, University of Alberta, Edmonton, AB, CANADA
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Association between preexisting mental illnesses and mortality among medicaid-insured women diagnosed with breast cancer. Soc Sci Med 2021; 270:113643. [PMID: 33387965 PMCID: PMC9989878 DOI: 10.1016/j.socscimed.2020.113643] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 11/19/2020] [Accepted: 12/19/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND We investigated the impact of preexisting mental illnesses on all-cause and cause-specific mortality among Medicaid-insured women diagnosed with breast cancer. METHODS Data from the New York State Cancer Registry for 10,444 women diagnosed with breast cancer from 2004 to 2016 and aged <65 years at diagnosis were linked with Medicaid claims. Women were categorized as having depression or a severe mental illness (SMI) if they had at least three relevant diagnosis claims with at least one claim within three years prior to breast cancer diagnosis. SMI included schizophrenia, bipolar disorder, and other psychotic disorders. Estimated menopausal status was determined by age (premenopausal age <50; postmenopausal age ≥50). Hazard ratios (HR) and 95% confidence intervals (95%CI) were calculated with Cox proportional hazards regression, adjusting for potential confounders. RESULTS Preexisting SMI was associated with greater all-cause (HR = 1.36; 95%CI 1.18, 1.57) and cancer-specific (HR = 1.21; 95%CI 1.03, 1.44) mortality compared to those with no mental illnesses. No association was observed between preexisting depression and mortality. Among racial/ethnic subgroups, the association between SMI and all-cause mortality was observed among non-Hispanic white (HR = 1.47; 95%CI 1.19, 1.83) and non-Hispanic Asian/Pacific Islander (HR = 2.59; 95% 1.15, 5.87) women. Additionally, mortality hazards were greatest among women with preexisting SMI that were postmenopausal (HR = 1.49; 95%CI 1.25, 1.78), obese (HR = 1.58; 95%CI 1.26, 1.98), and had documented tobacco use (HR = 1.42; 95%CI 1.13, 1.78). CONCLUSION Women with preexisting SMI prior to breast cancer diagnosis have an elevated mortality hazard and should be monitored and treated by a coordinated cross-functional clinical team.
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Kirkham AA, Pituskin E, Neil-Sztramko SE. Age-dependent increased odds of cardiovascular risk factors in cancer survivors: Canadian Longitudinal Study on Aging cohort. Curr Oncol 2020; 27:e368-e376. [PMID: 32905332 PMCID: PMC7467781 DOI: 10.3747/co.27.6117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background This study compared the odds of self-reported and objectively measured cardiovascular (cv) risk factors in a sample of Canadian cancer survivors and individuals without cancer. Methods A nationally representative sample of 45- to 85-year-old cancer survivors (n = 6288) in the Canadian Longitudinal Study on Aging were compared with individuals without cancer (n = 44,051). Results The most prevalent risk factors in cancer survivors were all self-reported or easily measured in clinic: overweight or obesity (68.0%), former smoking (62.9%), fewer than 5 daily servings of fruits and vegetables (59.8%), hypertension (43.7%), and high waist circumference (47.0%). After adjustment for sex and education, the odds ratios of several cv risk factors varied by age in cancer survivors and the non-cancer controls. At ages 50 and 60, cancer survivors have increased odds of overweight or obesity, former smoking, hypertension, high waist circumference and truncal fat, diabetes, lung disease, and heart rate greater than 80 bpm compared with non-cancer controls. At age 70, odds did not differ for many risk factors; at age 80, no differences were evident. Without modification by age, low physical activity was more prevalent in cancer survivors (odds ratio: 1.27; 95% confidence interval: 1.17 to 1.39). There were no differences in the odds of cv risk factors measured by specialized equipment, including electrocardiography, carotid ultrasonography, spirometry, and dual-energy X-ray absorptiometry. Conclusions The odds of several easy-to-assess cv disease risk factors are higher among middle-aged, but not older, cancer survivors relative to the general Canadian population. Initial assessment of cv risk for middle-aged adults in the survivorship setting could be quickly and inexpensively performed using self-reported and easily measured metrics.
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Affiliation(s)
- A A Kirkham
- Current: Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON; former: Department of Biomedical Engineering, University of Alberta, Edmonton, AB
| | - E Pituskin
- Faculty of Nursing, University of Alberta, Edmonton, AB
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Lawrence WR, Hosler AS, Gates Kuliszewski M, Leinung MC, Zhang X, Schymura MJ, Boscoe FP. Impact of preexisting type 2 diabetes mellitus and antidiabetic drugs on all-cause and cause-specific mortality among Medicaid-insured women diagnosed with breast cancer. Cancer Epidemiol 2020; 66:101710. [PMID: 32247208 PMCID: PMC9920233 DOI: 10.1016/j.canep.2020.101710] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/12/2020] [Accepted: 03/17/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND We investigated the influence preexisting type 2 diabetes mellitus (T2DM) and antidiabetic drugs have on all-cause and cause-specific mortality among Medicaid-insured women diagnosed with breast cancer. METHODS 9221 women aged <64 years diagnosed with breast cancer and reported to the New York State (NYS) Cancer Registry from 2004 to 2016 were linked with Medicaid claims. Preexisting T2DM was determined by three diagnosis claims for T2DM with at least one claim prior to breast cancer diagnosis and a prescription claim for an antidiabetic drug within three months following breast cancer diagnosis. Estimated menopausal status was determined by age (premenopausal age <50; postmenopausal age ≥50). Hazard ratios (HR) and 95 % confidence intervals (95 %CI) were calculated with Cox proportional hazards regression, adjusting for confounders. RESULTS Women with preexisting T2DM had greater all-cause (HR = 1.40; 95 %CI 1.21, 1.63), cancer-specific (HR = 1.24; 95 %CI 1.04, 1.47), and cardiovascular-specific (HR = 2.46; 95 %CI 1.54, 3.90) mortality hazard compared to nondiabetic women. In subgroup analyses, the association between T2DM and all-cause mortality was found among non-Hispanic White (HR 1.78 95 %CI 1.38, 2.30) and postmenopausal (HR = 1.47; 95 %CI 1.23, 1.77) women, but not among other race/ethnicity groups or premenopausal women. Additionally, compared to women prescribed metformin, all-cause mortality hazard was elevated among women prescribed sulfonylurea (HR = 1.44; 95 %CI 1.06, 1.94) or insulin (HR = 1.54; 95 %CI 1.12, 2.11). CONCLUSION Among Medicaid-insured women with breast cancer, those with preexisting T2DM have an increased mortality hazard, especially when prescribed sulfonylurea or insulin. Further research is warranted to determine the role antidiabetic drugs have on survival among women with breast cancer.
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Affiliation(s)
- Wayne R Lawrence
- Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, State University of New York, One University Place, Rensselaer, NY, United States.
| | - Akiko S Hosler
- Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, State University of New York, One University Place, Rensselaer, NY, United States
| | - Margaret Gates Kuliszewski
- Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, State University of New York, One University Place, Rensselaer, NY, United States; Bureau of Cancer Epidemiology, New York State Department of Health, 150 Broadway, Suite 361, Albany, NY, United States
| | - Matthew C Leinung
- Division of Endocrinology and Metabolism, Department of Medicine, Albany Medical College, 25 Hackett Boulevard MC-141, Albany, NY, United States
| | - Xiuling Zhang
- Bureau of Cancer Epidemiology, New York State Department of Health, 150 Broadway, Suite 361, Albany, NY, United States
| | - Maria J Schymura
- Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, State University of New York, One University Place, Rensselaer, NY, United States; Bureau of Cancer Epidemiology, New York State Department of Health, 150 Broadway, Suite 361, Albany, NY, United States
| | - Francis P Boscoe
- Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, State University of New York, One University Place, Rensselaer, NY, United States; Bureau of Cancer Epidemiology, New York State Department of Health, 150 Broadway, Suite 361, Albany, NY, United States
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Cardiovascular Consequences of Skeletal Muscle Impairments in Breast Cancer. Sports (Basel) 2020; 8:sports8060080. [PMID: 32486406 PMCID: PMC7353641 DOI: 10.3390/sports8060080] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 12/16/2022] Open
Abstract
Breast cancer survivors suffer from disproportionate cardiovascular disease risk compared to age-matched controls. Beyond direct cardiotoxic effects due to treatments such as chemotherapy and radiation, breast-cancer-related reductions in skeletal muscle mass, quality and oxidative capacity may further contribute to cardiovascular disease risk in this population by limiting the ability to engage in aerobic exercise—a known promoter of cardiovascular health. Indeed, 20–30% decreases in peak oxygen consumption are commonly observed in breast cancer survivors, which are indicative of exercise intolerance. Thus, breast-cancer-related skeletal muscle damage may reduce exercise-based opportunities for cardiovascular disease risk reduction. Resistance training is a potential strategy to improve skeletal muscle health in this population, which in turn may enhance the capacity to engage in aerobic exercise and reduce cardiovascular disease risk.
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Lofterød T, Frydenberg H, Flote V, Eggen AE, McTiernan A, Mortensen ES, Akslen LA, Reitan JB, Wilsgaard T, Thune I. Exploring the effects of lifestyle on breast cancer risk, age at diagnosis, and survival: the EBBA-Life study. Breast Cancer Res Treat 2020; 182:215-227. [PMID: 32436147 PMCID: PMC7275030 DOI: 10.1007/s10549-020-05679-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 05/09/2020] [Indexed: 12/13/2022]
Abstract
Purpose Whether an unfavorable lifestyle not only affects breast cancer risk, but also influences age at onset of breast cancer and survival, is under debate. Methods In a population-based cohort, the Energy Balance and Breast Cancer Aspects throughout life (EBBA-Life) study, a total of 17,145 women were included. During follow-up, 574 women developed invasive breast cancer. Breast cancer cases were followed for an additional 9.1 years. Detailed medical records were obtained. Cox’s proportional hazard regression models were used to study the association between pre-diagnostic lifestyle factors (weight, physical activity, alcohol use, smoking, and hypertension), breast cancer risk, age at diagnosis, and survival. Results At study entry, 34.3% of the participating women were overweight and 30.7% were physically inactive. Mean age at breast cancer diagnosis was 58.0 years, and 78.9% of the tumors were estrogen receptor positive. Among menopausal women who did not use hormone therapy and had an unfavorable lifestyle (3–5 unfavorable factors), compared with women who had a favorable lifestyle, we observed a twofold higher risk for postmenopausal breast cancer (hazard ratio [HR] 2.13, 95% confidence interval [CI] 1.23–3.69), and they were 3.4 years younger at diagnosis (64.8 versus 68.2 years, P = 0.032). Breast cancer patients with an unfavorable lifestyle, compared with patients with a favorable lifestyle, had almost a two times higher overall mortality risk (HR 1.96, 95% CI 1.01–3.80). Conclusions Our study supports a healthy lifestyle improving breast cancer prevention, postponing onset of disease, and extending life expectancy among breast cancer patients. Electronic supplementary material The online version of this article (10.1007/s10549-020-05679-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Trygve Lofterød
- Department of Oncology, Oslo University Hospital, Oslo, Norway.
| | | | - Vidar Flote
- Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Anne Elise Eggen
- Faculty of Health Services, Institute of Community Medicine, University of Tromsø, Tromsø, Norway
| | - Anne McTiernan
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, USA
| | - Elin S Mortensen
- Department of Pathology, University Hospital of North Norway, Tromsø, Norway
| | - Lars A Akslen
- Department of Clinical Medicine, Centre for Cancer Biomarkers CCBIO, University of Bergen, Bergen, Norway
- Department of Pathology, Haukeland University Hospital, Bergen, Norway
| | - Jon B Reitan
- Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Tom Wilsgaard
- Faculty of Health Services, Institute of Community Medicine, University of Tromsø, Tromsø, Norway
| | - Inger Thune
- Department of Oncology, Oslo University Hospital, Oslo, Norway
- Faculty of Health Services, Institute of Clinical Medicine, University of Tromsø, Tromsø, Norway
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Norris CM, Yip CYY, Nerenberg KA, Clavel M, Pacheco C, Foulds HJA, Hardy M, Gonsalves CA, Jaffer S, Parry M, Colella TJF, Dhukai A, Grewal J, Price JAD, Levinsson ALE, Hart D, Harvey PJ, Van Spall HGC, Sarfi H, Sedlak TL, Ahmed SB, Baer C, Coutinho T, Edwards JD, Green CR, Kirkham AA, Srivaratharajah K, Dumanski S, Keeping‐Burke L, Lappa N, Reid RD, Robert H, Smith G, Martin‐Rhee M, Mulvagh SL. State of the Science in Women's Cardiovascular Disease: A Canadian Perspective on the Influence of Sex and Gender. J Am Heart Assoc 2020; 9:e015634. [PMID: 32063119 PMCID: PMC7070224 DOI: 10.1161/jaha.119.015634] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | | | - Kara A. Nerenberg
- Department of Medicine/Division of General Internal MedicineUniversity of CalgaryAlbertaCanada
| | | | | | | | - Marsha Hardy
- Canadian Women's Heart Health AllianceOttawaOntarioCanada
| | | | - Shahin Jaffer
- Department of Medicine/Community Internal MedicineUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Monica Parry
- Lawrence S. Bloomberg Faculty of NursingUniversity of TorontoOntarioCanada
| | - Tracey J. F. Colella
- University Health Network/Toronto Rehab Cardiovascular Prevention and Rehabilitation ProgramTorontoOntarioCanada
| | - Abida Dhukai
- Lawrence S. Bloomberg Faculty of NursingUniversity of TorontoOntarioCanada
| | - Jasmine Grewal
- Division of CardiologyUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Jennifer A. D. Price
- Lawrence S. Bloomberg Faculty of NursingUniversity of TorontoOntarioCanada
- Women's College Research InstituteWomen's College HospitalTorontoOntarioCanada
| | - Anna L. E. Levinsson
- Montreal Heart InstituteMontrealQuebecCanada
- Beaulieu‐Saucier Université de Montréal Pharmacogenomics CentreMontrealQuebecCanada
- Faculty of MedicineUniversité de MontréalMontrealQuebecCanada
| | - Donna Hart
- Canadian Women's Heart Health AllianceOttawaOntarioCanada
| | - Paula J. Harvey
- Canadian Women's Heart Health AllianceOttawaOntarioCanada
- Women's College Research Institute and Division of CardiologyDepartment of Medicine Women's College HospitalUniversity of TorontoOntarioCanada
| | | | - Hope Sarfi
- Canadian Women's Heart Health AllianceOttawaOntarioCanada
| | - Tara L. Sedlak
- Leslie Diamond Women's Heart CentreVancouver General HospitalUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Sofia B. Ahmed
- Department of Medicine and Libin Cardiovascular InstituteUniversity of CalgaryAlbertaCanada
| | - Carolyn Baer
- Division of General Internal MedicineDepartment of MedicineMoncton HospitalDalhousie UniversityHalifaxNova ScotiaCanada
| | - Thais Coutinho
- Division of Cardiac Prevention and RehabilitationDivision of Cardiology and Canadian Women's Heart Health CentreUniversity of Ottawa Heart InstituteOttawaOntarioCanada
| | - Jodi D. Edwards
- School of Epidemiology and Public HealthUniversity of Ottawa and University of Ottawa Heart InstituteOttawaOntarioCanada
| | - Courtney R. Green
- Society of Obstetricians and Gynaecologists of CanadaOttawaOntarioCanada
| | - Amy A. Kirkham
- Department of Biomedical EngineeringUniversity of AlbertaEdmontonAlbertaCanada
| | - Kajenny Srivaratharajah
- Division of General Internal MedicineDepartment of MedicineMcMaster UniversityHamiltonOntarioCanada
| | | | | | - Nadia Lappa
- Canadian Women's Heart Health AllianceOttawaOntarioCanada
| | - Robert D. Reid
- Division of Cardiac Prevention and RehabilitationDivision of Cardiology and Canadian Women's Heart Health CentreUniversity of Ottawa Heart InstituteOttawaOntarioCanada
| | - Helen Robert
- Canadian Women's Heart Health AllianceOttawaOntarioCanada
| | - Graeme Smith
- Department of Obstetrics and GynecologyKingston Health Sciences CentreQueen's UniversityKingstonOntarioCanada
| | | | - Sharon L. Mulvagh
- Division of CardiologyDalhousie UniversityHalifaxNova ScotiaCanada
- Department of Cardiovascular MedicineMayo ClinicRochesterMN
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Pituskin E, Kirkham AA, Cox-Kennett N, Dimitry R, Dimitry J, Paterson I, Gyenes GT. Rehabilitation Needs in Cancer Treatment-Related Cardiotoxicity. Semin Oncol Nurs 2020; 36:150986. [PMID: 31983487 DOI: 10.1016/j.soncn.2020.150986] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVES To examine and summarize current international guidelines regarding cardiovascular risk reduction before and during cancer therapy, and to discuss the emerging role of cardio-oncology as a subspecialty in cancer care and the role of cardio-oncology rehabilitation. DATA SOURCES Published articles and guidelines. CONCLUSION With improvements in cancer detection and the use of novel adjuvant therapies, an increasing number of individuals now survive a cancer diagnosis. However, for some the cost is high - many survivors are now at higher risk of death from cardiovascular disease than from recurrent cancer. Cardiovascular morbidity and mortality are common and associated with common cancer therapies serially administered in adult oncology care. IMPLICATIONS FOR NURSING PRACTICE Timely risk-reduction interventions hold promise in reducing cardiovascular morbidity and mortality. Oncology nurses are the key providers to identify baseline risks, perform necessary referrals, provide individualized teaching, and support the patient within the family and community.
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Affiliation(s)
- Edith Pituskin
- Faculty of Nursing, Edmonton Clinic Health Academy (ECHA), Edmonton, AB, Canada.
| | - Amy A Kirkham
- Department of Biomedical Engineering, University of Alberta, Edmonton, AB, Canada
| | | | - Rebecca Dimitry
- Medical Oncology, Alberta Health Services, Edmonton, AB, Canada
| | - John Dimitry
- Medical Oncology, Alberta Health Services, Edmonton, AB, Canada
| | - Ian Paterson
- Division of Cardiology, University of Alberta, Edmonton, AB, Canada
| | - Gabor T Gyenes
- Cardiac Rehabilitation, Division of Cardiology, University of Alberta, Edmonton, AB, Canada
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Engineered IL-7 Receptor Enhances the Therapeutic Effect of AXL-CAR-T Cells on Triple-Negative Breast Cancer. BIOMED RESEARCH INTERNATIONAL 2020; 2020:4795171. [PMID: 31998790 PMCID: PMC6970498 DOI: 10.1155/2020/4795171] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 11/26/2019] [Indexed: 01/17/2023]
Abstract
Triple-negative breast cancer (TNBC) is a very aggressive malignant type of tumor that currently lacks effective targeted therapies. In hematological malignancies, chimeric antigen receptor T (CAR-T) cells have shown very significant antitumor ability; however, in solid tumors, the efficacy is poor. In order to apply CAR-T cells in the treatment of TNBC, in this study, constitutively activated IL-7 receptor (C7R) that has been reported is used to enhance the antitumor function of constructed CAR-T cells by ourselves. Using in vitro coincubation experiments with target cells and in vivo antitumor experiments in mice, we found that the coexpressed C7R can significantly improve the activation, cell proliferation, and cytotoxicity of CAR-T cells. In addition, the in vivo experiments suggested that the enhanced CAR-T cells displayed significant antitumor activity in a TNBC subcutaneous xenograft model, in which in vivo, the survival time of CAR-T cells was prolonged. Together, these results indicated that CAR-T cells that coexpress C7R may be a novel therapeutic strategy for TNBC.
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