201
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Retrospective trial of complete decongestive physical therapy for lower extremity secondary lymphedema in melanoma patients. Support Care Cancer 2010; 19:141-7. [DOI: 10.1007/s00520-009-0803-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2009] [Accepted: 12/15/2009] [Indexed: 10/20/2022]
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202
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An update of controlled physical activity trials in cancer survivors: a systematic review and meta-analysis. J Cancer Surviv 2010; 4:87-100. [PMID: 20052559 DOI: 10.1007/s11764-009-0110-5] [Citation(s) in RCA: 860] [Impact Index Per Article: 61.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2009] [Accepted: 11/26/2009] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Approximately 11.1 million cancer survivors are alive in the United States. Activity prescriptions for cancer survivors rely on evidence as to whether exercise during or after treatment results in improved health outcomes. This systematic review and meta-analysis evaluates the extent to which physical activity during and post treatment is appropriate and effective across the cancer control continuum. METHODS A systematic quantitative review of the English language scientific literature searched controlled trials of physical activity interventions in cancer survivors during and post treatment. Data from 82 studies were abstracted, weighted mean effect sizes (WMES) were calculated from 66 high quality studies, and a systematic level of evidence criteria was applied to evaluate 60 outcomes. Reports of adverse events were abstracted from all studies. RESULTS Quantitative evidence shows a large effect of physical activity interventions post treatment on upper and lower body strength (WMES = 0.99 & 0.90, p < 0.0001 & 0.024, respectively) and moderate effects on fatigue and breast cancer-specific concerns (WMES = -0.54 & 0.62, p = 0.003 & 0.003, respectively). A small to moderate positive effect of physical activity during treatment was seen for physical activity level, aerobic fitness, muscular strength, functional quality of life, anxiety, and self-esteem. With few exceptions, exercise was well tolerated during and post treatment without adverse events. CONCLUSIONS Current evidence suggests many health benefits from physical activity during and post cancer treatments. Additional studies are needed in cancer diagnoses other than breast and with a focus on survivors in greatest need of improvements for the health outcomes of interest.
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Nicolussi AC, Sawada NO. Fatores que influenciam a qualidade de vida de pacientes com câncer de cólon e reto. ACTA PAUL ENFERM 2010. [DOI: 10.1590/s0103-21002010000100020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
OBJETIVO: Foi realizada uma revisão integrativa da literatura com o objetivo de avaliar as evidências disponíveis na literatura o conhecimento científico produzido relacionado à qualidade de vida (QV) do paciente adulto com câncer de cólon e reto. MÉTODOS: Selecionamos artigos publicados nas bases de dados LILACS, CINAHL e MEDLINE, entre 1997 e 2007. RESULTADOS: Encontramos que o diagnóstico e o tratamento para o câncer afetam vários domínios da QV do paciente e que fatores como a prática de exercícios, aumento da aptidão física, o estado de boa nutrição, a presença de suporte psicossocial e de rede social favorecem uma QV melhor. CONCLUSÃO: Como lacunas no conhecimento, detectamos falta de produção científica nacional, escassa contribuição do enfermeiro, predomínio de estudos descritivos, de nível de evidência considerado fraco. Sugerimos a atuação do enfermeiro em pesquisas de intervenções de suporte psicossocial e de programas de atividade física que possibilitem melhorar a QV do paciente oncológico.
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Sellar CM, Courneya KS. Physical activity and gastrointestinal cancer survivorship. Recent Results Cancer Res 2010; 186:237-53. [PMID: 21113767 DOI: 10.1007/978-3-642-04231-7_10] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Research examining physical activity in gastrointestinal cancer survivors is in its early stages and has focused primarily on colorectal cancer. Moreover, the majority of the research to date has been observational in nature, with very little interventional research. Though limited, the results of this research have been promising in nature, showing positive associations between physical activity and quality of life as well as disease outcomes, including improved disease-free and overall survival. The potential benefits of physical activity for gastrointestinal cancer survivors warrant further research on the underlying mechanisms of the relationship between physical activity and colorectal cancer disease outcomes, to determine if these associations extend to other gastrointestinal cancers, and to determine appropriate physical activity interventions to realize any potential supportive care benefits in various gastrointestinal cancer survivor groups.
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Affiliation(s)
- Christopher M Sellar
- Behavioural Medicine Lab, E4-88 Van Vliet Centre, University of Alberta, Edmonton, AB, Canada, T6G 2H9
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205
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Griffith K, Wenzel J, Shang J, Thompson C, Stewart K, Mock V. Impact of a walking intervention on cardiorespiratory fitness, self-reported physical function, and pain in patients undergoing treatment for solid tumors. Cancer 2009; 115:4874-84. [PMID: 19637345 DOI: 10.1002/cncr.24551] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Cancer treatment is associated with decline in measured and self-reported physical function and increased pain. In the current study, the authors evaluated the impact of a walking intervention on these outcomes during chemotherapy/radiation. METHODS Patients with breast, prostate, and other cancers (N=126) were randomized to a home-based walking intervention (exercise) or usual care (control). Exercise dose during the intervention was assessed using a 5-item Physical Activity Questionnaire. Outcome measures were cardiorespiratory fitness, expressed as peak oxygen uptake (VO2) measured during treadmill testing (n=85) or estimated by 12-minute walk (n=27), and self-reported physical function, role limitations, and pain derived from Medical Outcomes Study Short Form 36. Linear regression was used to evaluate pre-to-post intervention change outcomes between groups. RESULTS The mean (standard deviation) age of the patients was 60.2 (10.6) years. Diagnoses included prostate (55.6%) and breast (32.5%) cancer. Treatment included external beam radiotherapy (52.3%) and chemotherapy (34.9%). Exercise patients reported worsening Medical Outcomes Study physical function role limitations by the end of cancer treatment (P=.037). Younger age was associated with improved Medical Outcomes Study physical function (P=.048). In all patients, increased exercise dose was associated with decreased Medical Outcomes Study pain (P=.046), regardless of diagnosis. The percent change of VO2 between prostate and nonprostate cancer patients when adjusted for baseline VO2 and Physical Activity Questionnaire values was 17.45% (P=.008), with better VO2 maintenance in the prostate group. CONCLUSIONS Exercise during cancer treatment improves cardiorespiratory fitness and self-reported physical function in prostate cancer patients and in younger patients, regardless of diagnosis, and may attenuate loss of those capacities in patients undergoing chemotherapy. Exercise also reduces the pain experience.
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Affiliation(s)
- Kathleen Griffith
- Center for Nursing Research, Johns Hopkins University School of Nursing, Baltimore, Maryland 21201, USA.
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Haggstrom DA, Arora NK, Helft P, Clayman ML, Oakley-Girvan I. Follow-up care delivery among colorectal cancer survivors most often seen by primary and subspecialty care physicians. J Gen Intern Med 2009; 24 Suppl 2:S472-9. [PMID: 19838853 PMCID: PMC2763150 DOI: 10.1007/s11606-009-1017-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND The Institute of Medicine has identified patients as a key source of information for assessing the quality of care. OBJECTIVE To evaluate the association of physician specialty with the content and quality of follow-up cancer care. DESIGN AND PARTICIPANTS Three hundred three colorectal cancer (CRC) survivors in Northern California were surveyed 2-5 years post-diagnosis. MEASUREMENTS Specialty of physician seen most often [primary care physician (PCP), oncologist, surgeon, or gastroenterologist]; other physician specialties seen; patient characteristics; content of visits; patient-centered quality of follow-up care (communication, coordination, nursing, and staff interactions). MAIN RESULTS A minority (16%) of CRC survivors reported that the doctor they most often saw for follow-up cancer care was a PCP, while 60% saw an oncologist. Many CRC survivors (40%) saw >1 physician for follow-up cancer care. Survivors most often seen by PCPs were more likely to have three or more medical comorbidities (70% vs. 51%, p = 0.012) than survivors seen by subspecialty physicians. Survivors seen by PCPs were less likely to report seeing a doctor for medical tests and more likely to report discussing disease prevention (82% vs. 64%, p = 0.012) or diet (70% vs. 48%, p = 0.005) with their doctor. There were no significant specialty differences in patient-centered quality of follow-up cancer care. CONCLUSIONS Cancer survivors' assessment of the quality of care was similar across specialties, while the content of follow-up cancer care varied by physician specialty. These findings provide important information about the potential value of primary care and the need for coordination when delivering care to CRC survivors.
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Affiliation(s)
- David A Haggstrom
- VA Health Services Research & Development (HSR&D) Center on Implementing Evidence-based Practice (CIEBP), Richard L. Roudebush VA Medical Center, 1481 West 10th St. (11H), Indianapolis, IN 46202, USA.
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207
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Halle M, Schoenberg MH. Physical activity in the prevention and treatment of colorectal carcinoma. DEUTSCHES ARZTEBLATT INTERNATIONAL 2009; 106:722-7. [PMID: 19997551 DOI: 10.3238/arztebl.2009.0722] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2008] [Accepted: 04/06/2009] [Indexed: 12/14/2022]
Abstract
BACKGROUND Colorectal carcinoma is the most common type of tumor in Western countries. The risk of developing colorectal carcinoma depends both on genetic factors (familial predisposition) and on lifestyle-related factors such as body-mass index, level of physical activity, and nutritional behavior. Regular physical activity is important in primary prevention, and there is also evidence that the prognosis after treatment of a colorectal carcinoma can be improved by exercise. METHODS The PubMed database was searched for relevant articles that appeared in the last 10 years, and selected articles were evaluated. RESULTS Cross-sectional studies have shown that regular physical activity (ca. 7 hours of brisk walking per week) lowers the risk of colon carcinoma by 40%. Physical activity also improves the outcome of patients already diagnosed with colorectal carcinoma: for example, patients with advanced disease (UICC stage II or III) have been found to survive significantly longer if they perform 4 hours of brisk walking per week, or the equivalent degree of physical exercise. CONCLUSIONS Cross-sectional studies show that physically active persons are less likely to develop colorectal carcinoma than physically inactive persons, and that they have better outcomes in the event that they do develop the disease. The positive findings with respect to secondary prevention still need to be confirmed in interventional trials, but in primary prevention, at least, physical activity should be actively promoted, along with other beneficial lifestyle habits and screening measures.
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Affiliation(s)
- Martin Halle
- Preventive and Rehabilitative Sports Medicine, Hospital rechts der Isar, Technische Universität München, Munich, Germany.
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208
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Abstract
Zusammenfassung. Die tumorbedingte Fatigue ist ein verbreitetes und den Patienten sehr belastendes Syndrom im Rahmen der Krebserkrankung und -therapie. Tumorbedingte Fatigue (im angloamerikanischen Sprachraum als cancer-related fatigue, CRF, bezeichnet) geht einher mit dem subjektiven Gefühl von physischer und mentaler Müdigkeit, Erschöpfung, Energieverlust und wenig Möglichkeiten der Erholung. Es geht weit über das „normale” Maß an Erschöpfung hinaus, was gesunde Personen erleben. Tumorbedingte Fatigue kommt als Folge der Krebserkrankung selbst und als Nebeneffekt der Krebstherapie vor. Das genaue Ursachengefüge ist jedoch bislang nicht genau geklärt. Zum Diagnosezeitpunkt leiden bis zu 40%, im weiteren Verlauf der Krebsbehandlung mehr als 90% der Patienten unter tumorbedingter Fatigue. Unter der Strahlentherapie tritt die tumorbedingte Fatigue bei über 90%, während der Chemotherapie bei bis zu 80% der Betroffenen auf. Tumorbedingte Fatigue neigt zur Chronifizierung auch nach Abschluss der Therapie und ist dann umso belastender für die Patienten, da eine Ursachenzuschreibung erschwert ist. Die Beeinträchtigungen durch die tumorbedingte Fatigue sind beträchtlich, die Lebensqualität, das psychische Wohlbefinden so wie die Teilhabe am Alltagsleben und die berufliche Leistungsfähigkeit sind in aller Regel massiv eingeschränkt. Trotz dieser hohen Relevanz für Patienten und Behandler hat sich die Forschung über tumorbedingte Fatigue, im Vergleich zu anderen Begleitsymptomen der Krebserkrankung und -therapie, erst in den letzten Jahren intensiviert. Die vorliegende Arbeit gibt einen systematischen Überblick über epidemiologische Grundlagen, krankheitsbegleitende Aspekte sowie evaluierte nicht-medikamentöse Interventionen und ihren Stellenwert innerhalb der Behandlung tumorbedingter Fatigue.
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Affiliation(s)
- Ulrike de Vries
- Zentrum für Klinische Psychologie und Rehabilitation, Universität Bremen
| | - Karl Reif
- Institut für Public Health und Pflegeforschung, Abt. Interdisziplinäre Alterns- und Pflegeforschung, Universität Bremen
| | - Nina Stuhldreher
- Institut für Public Health und Pflegeforschung, Abt. Interdisziplinäre Alterns- und Pflegeforschung, Universität Bremen
| | - Franz Petermann
- Zentrum für Klinische Psychologie und Rehabilitation, Universität Bremen
| | - Stefan Görres
- Institut für Public Health und Pflegeforschung, Abt. Interdisziplinäre Alterns- und Pflegeforschung, Universität Bremen
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209
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Battaglini CL, Hackney AC, Garcia R, Groff D, Evans E, Shea T. The effects of an exercise program in leukemia patients. Integr Cancer Ther 2009; 8:130-8. [PMID: 19679621 DOI: 10.1177/1534735409334266] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
PURPOSE To examine the feasibility of administering an in-hospital exercise program to acute leukemia patients undergoing chemotherapy. A secondary purpose explored the impact of exercise on selected physiological, psychological, and inflammatory markers. METHODS Ten patients, aged 18 to 50 years, diagnosed with acute leukemia or newly relapsed were assessed for body weight, height, body composition (skinfolds), cardiorespiratory endurance (total minutes on bicycle ergometer at 60% heart rate reserve), dynamic muscular endurance (Rocky Mountain Cancer Rehabilitation Institute protocol), fatigue (Revised Piper Fatigue Scale), depression (Center for Epidemiologic Studies Depression scale, National Institute of Mental Health questionnaire), and quality of life (Functional Assessment of Cancer Therapy-General) at baseline (within 3 days of diagnosis) and at the end of induction phase of treatment. Blood draws were taken at baseline, midpoint, and at the end of induction for analyses of inflammatory markers (Linco Luminex assay). Combined aerobic and strength training exercises were administered 3 times per week, twice daily, for 30 minutes. Paired-samples t-tests were used for the analyses of physiological and psychological parameters. One-way repeated measures analysis of variance was used for the analyses of inflammatory markers. RESULTS Significant improvements in cardiorespiratory endurance (P = .009, baseline 8.9 +/- 8.8 minutes, postexercise intervention 17 +/- 14.3 minutes) with significant reductions in total fatigue scores (P = .009, baseline 4.6 +/- 1.7, postexercise intervention 1.8 +/- 1.6) and depression scores (P = .023, baseline 19 +/- 11.5, postexercise intervention 12 +/- 8.2) were observed. Marginally significant decrease in interleukin-6 (IL-6; P = .059) with no significant changes in IL-10 (P = .223) or interferon-gamma (P = .882) were observed. CONCLUSION Administration of exercise to acute leukemia patients undergoing treatment is feasible. The exercise protocol used increased cardiovascular endurance, reduced fatigue and depression scores, and maintained quality of life. Although no significant change in inflammation was observed, a trend demonstrating a reduction in IL-6 and an increase in IL-10 warrants further investigation.
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Affiliation(s)
- Claudio L Battaglini
- Lineberger Comprehensive Cancer Center, Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, North Carolina 27599, USA.
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210
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Abstract
Exercise improves quality of life (QOL) in people with cancer. Most oncology healthcare providers recognize the statement to be true because the research literature provides strong support for the physical and psychological benefits of exercise. Because the terms exercise, QOL, and people with cancer have different meanings, the contextual connections in which they are used are important to understanding the relationship between exercise and QOL in people with cancer. This article explores the links between exercise and QOL in people with cancer and examines issues that impact the development, implementation, and evaluation of exercise programs for people with cancer. Issues related to exercise goal development, exercise prescription, exercise testing, exercise adherence, and methods to evaluate the efficacy of exercise in relation to QOL are discussed.
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Affiliation(s)
- Eileen Hacker
- Department of Biobehavioral Health Sciences in the College of Nursing, The University of Illinois, Chicago, USA.
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211
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Abstract
CRF is indisputably a significant problem with important public health and medical economic implications. As the prevalence of cancer survivorship grows, the impact of CRF will increase. Physiatrists have not historically played an active role in caring for affected patients. In the author's opinion, this is unfortunate, since the holistic, integrated, and cross-disciplinary approach that characterizes physiatry seems ideally suited to offer patients meaningful benefit. Physiatrists with a clinical interest are likely to be robustly rewarded with interest from the oncological community, as CRF is a frustrating and devastating problem for patients and clinicians alike.
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Hawkes AL, Pakenham KI, Courneya KS, Gollschewski S, Baade P, Gordon LG, Lynch BM, Aitken JF, Chambers SK. A randomised controlled trial of a tele-based lifestyle intervention for colorectal cancer survivors ('CanChange'): study protocol. BMC Cancer 2009; 9:286. [PMID: 19689801 PMCID: PMC2746814 DOI: 10.1186/1471-2407-9-286] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2009] [Accepted: 08/18/2009] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Colorectal cancer survivors may suffer from a range of ongoing psychosocial and physical problems that negatively impact on quality of life. This paper presents the study protocol for a novel telephone-delivered intervention to improve lifestyle factors and health outcomes for colorectal cancer survivors. METHODS/DESIGN Approximately 350 recently diagnosed colorectal cancer survivors will be recruited through the Queensland Cancer Registry and randomised to the intervention or control condition. The intervention focuses on symptom management, lifestyle and psychosocial support to assist participants to make improvements in lifestyle factors (physical activity, healthy diet, weight management, and smoking cessation) and health outcomes. Participants will receive up to 11 telephone-delivered sessions over a 6 month period from a qualified health professional or 'health coach'. Data collection will occur at baseline (Time 1), post-intervention or six months follow-up (Time 2), and at 12 months follow-up for longer term effects (Time 3). Primary outcome measures will include physical activity, cancer-related fatigue and quality of life. A cost-effective analysis of the costs and outcomes for survivors in the intervention and control conditions will be conducted from the perspective of health care costs to the government. DISCUSSION The study will provide valuable information about an innovative intervention to improve lifestyle factors and health outcomes for colorectal cancer survivors. TRIAL REGISTRATION ACTRN12608000399392.
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Affiliation(s)
- Anna L Hawkes
- Viertel Centre for Research in Cancer Control, Cancer Council Queensland, Brisbane, Australia
- School of Public Health, Queensland University of Technology, Brisbane, Australia
| | | | - Kerry S Courneya
- Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Canada
| | - Sara Gollschewski
- Viertel Centre for Research in Cancer Control, Cancer Council Queensland, Brisbane, Australia
| | - Peter Baade
- Viertel Centre for Research in Cancer Control, Cancer Council Queensland, Brisbane, Australia
| | - Louisa G Gordon
- Queensland Institute of Medical Research, Brisbane, Australia
| | - Brigid M Lynch
- Cancer Prevention Research Centre, The University of Queensland, Brisbane, Australia
| | - Joanne F Aitken
- Viertel Centre for Research in Cancer Control, Cancer Council Queensland, Brisbane, Australia
| | - Suzanne K Chambers
- Viertel Centre for Research in Cancer Control, Cancer Council Queensland, Brisbane, Australia
- Griffith Institute for Health and Medical Research, Griffith University, Brisbane, Australia
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213
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Wiggins MS, Simonavice EM. Quality of life benefits in cancer survivorship with supervised exercise. Psychol Rep 2009; 104:421-4. [PMID: 19610471 DOI: 10.2466/pr0.104.2.421-424] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
To assess whether a supervised exercise program would benefit cancer survivors' perceived psychological well-being over the course of a 6-mo. program, 8 female and 2 male cancer survivors, ages 45 to 69 (M = 56.2, SD = 8.1) were recruited into the program from a presentation given to a breast-cancer support group and by word of mouth. Activity sessions were two times per week and typically involved treadmill and bicycle ergometer time, plus eight to ten weight-training stations. A quality of life measure was taken at baseline, 3, and 6 mo. Analyses showed a significant increase in quality of life from baseline to 3 mo. and from baseline to 6 mo. Being physically active in a supervised exercise program provided increased perceived benefits in quality of life for these cancer survivors over 6 mo.
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Affiliation(s)
- Matthew S Wiggins
- University of Wisconsin-Eau Claire, Department of Kinesiology, 105 Garfield Avenue, Eau Claire, WI 54702, USA.
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214
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Abstract
INTRODUCTION Exercise improves functional outcome and symptoms for certain cancer populations, but the feasibility, efficacy, and safety of structured exercise in patients with lung cancer is unknown. In this study, we examined the feasibility of a hospital-based exercise program for patients with advanced non-small cell lung cancer. METHODS This study included patients with newly diagnosed advanced stage non-small cell lung cancer and Eastern Cooperative Oncology Group performance status 0-1. A physical therapist facilitated twice-weekly sessions of aerobic exercise and weight training over an 8-week period. The primary end point was feasibility of the intervention, defined as adherence to the exercise program. Secondary endpoints included functional capacity, measured by the 6-minute walk test and muscle strength, as well as quality of life, lung cancer symptoms and fatigue, measured by the Functional Assessment of Cancer Therapy-lung and Functional Assessment of Cancer Therapy-fatigue scales. RESULTS Between October 2004 and August 2007, 25 patients enrolled in the study. All participants received anticancer therapy during the study period. Twenty patients (80%) underwent the baseline physical therapy evaluation. Eleven patients (44%) completed all 16 sessions. An additional 6 patients attended at least 6 sessions (range, 6-15), and 2 patients only attended one session. Study completers experienced a significant reduction in lung cancer symptoms and no deterioration in their 6-minute walk test or muscle strength. CONCLUSIONS Although the majority of participants attempted the exercise program, less than half were able to complete the intervention. Those who completed the program experienced an improvement in their lung cancer symptoms. Community-based or briefer exercise interventions may be more feasible in this population.
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Gillison FB, Skevington SM, Sato A, Standage M, Evangelidou S. The effects of exercise interventions on quality of life in clinical and healthy populations; a meta-analysis. Soc Sci Med 2009; 68:1700-10. [DOI: 10.1016/j.socscimed.2009.02.028] [Citation(s) in RCA: 215] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2008] [Indexed: 11/28/2022]
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Penttinen H, Nikander R, Blomqvist C, Luoto R, Saarto T. Recruitment of breast cancer survivors into a 12-month supervised exercise intervention is feasible. Contemp Clin Trials 2009; 30:457-63. [PMID: 19394448 DOI: 10.1016/j.cct.2009.04.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2009] [Revised: 04/17/2009] [Accepted: 04/18/2009] [Indexed: 11/30/2022]
Abstract
BACKGROUND The BREX study is one of the largest randomised prospective exercise interventions of breast cancer survivors which aims at investigate whether regular exercise could reduce the long-term side effects of the adjuvant treatments and improve quality of life. MATERIAL AND METHODS The study was limited to consider patients aged 35-68 years, who had recently completed adjuvant chemotherapy or started endocrine therapy. In this paper, we describe the recruitment process of the 413 randomised patients from the Helsinki University Hospital between September 2005 and September 2007. RESULTS 768 potentially eligible patients out of the 1321 screened (via medical records) were contacted by phone. After the phone call 240 patients were excluded due to health problems that contraindicated exercise training. The most common health problems were musculoskeletal disorders. A total of 528 patients were considered as eligible for the intervention. Ultimately 413 of them agreed to participate resulting in a 53.8% recruitment rate of the potentially eligible patients. The most important reasons for declining were social, not health related. Eligible patients who did not want to participate did not differ significantly from those who participated according to age, health status, breast cancer treatment and tumour type. DISCUSSION The high recruitment rate demonstrates breast cancer patient's willingness to participate even in long-lasting supervised exercise programs shortly after adjuvant treatments. After taking into account the selection of the population by age and musculoskeletal health, the results of the present intervention can be generalized to represent urban breast cancer patient population in Finland.
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Affiliation(s)
- Heidi Penttinen
- Helsinki University Central Hospital, Department of Oncology, HUS, Finland
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217
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Craike MJ, Livingston PM, Botti M. How much do we know about the determinants of physical activity among prostate cancer survivors? Directions for future research to inform interventions. Aust N Z J Public Health 2009; 33:193-4. [DOI: 10.1111/j.1753-6405.2009.00369.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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218
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Pinto BM, Rabin C, Dunsiger S. Home-based exercise among cancer survivors: adherence and its predictors. Psychooncology 2009; 18:369-76. [PMID: 19242921 PMCID: PMC2958525 DOI: 10.1002/pon.1465] [Citation(s) in RCA: 100] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Evidence of the benefits of exercise for those treated for cancer has led to exercise interventions for this population. Some have questioned whether cancer patients offered a home-based intervention adhere to the exercise prescribed. METHOD We examined exercise adherence in a randomized controlled trial of a 12-week, home-based exercise trial for breast cancer patients. Three adherence outcomes were examined: minutes of exercise participation/week, number of steps taken during planned exercise/week, and whether the participant met her weekly exercise goal. Predictors of adherence (e.g. demographic and medical variables, Transtheoretical Model variables, history of exercise) were examined. RESULTS Findings indicate that participants significantly increased their minutes of exercise and steps taken during planned exercise from Week 1 to 12. The percentage of participants achieving exercise goals was highest in the first few weeks. Exercise self-efficacy significantly predicted each adherence outcome. Baseline PA predicted mean exercise session steps over the 12 weeks. CONCLUSION Adherence to a home-based exercise intervention for breast cancer patients changes over time and may be related to baseline levels of exercise self-efficacy.
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Affiliation(s)
- Bernardine M Pinto
- Miriam Hospital and Warren Alpert Medical School of Brown University, Providence, RI 02903, USA.
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219
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Effects of Presurgical Exercise Training on Quality of Life in Patients Undergoing Lung Resection for Suspected Malignancy. Cancer Nurs 2009; 32:158-65. [DOI: 10.1097/ncc.0b013e3181982ca1] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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220
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A telephone-delivered lifestyle intervention for colorectal cancer survivors ‘CanChange’: a pilot study. Psychooncology 2009; 18:449-55. [DOI: 10.1002/pon.1527] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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221
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von Gruenigen VE, Gibbons HE, Kavanagh MB, Janata JW, Lerner E, Courneya KS. A randomized trial of a lifestyle intervention in obese endometrial cancer survivors: quality of life outcomes and mediators of behavior change. Health Qual Life Outcomes 2009; 7:17. [PMID: 19243603 PMCID: PMC2656477 DOI: 10.1186/1477-7525-7-17] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2008] [Accepted: 02/25/2009] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND To examine the effects of a 6 month lifestyle intervention on quality of life, depression, self-efficacy and eating behavior changes in overweight and obese endometrial cancer survivors. METHODS Early stage endometrial cancer survivors were randomized to intervention (n = 23) or usual care (n = 22) groups. Chi-square, Student's t-test and repeated measures analysis of variance were used in intent-to-treat analyses. Outcomes were also examined according to weight loss. RESULTS Morbidly obese patients had significantly lower self-efficacy, specifically when feeling physical discomfort. There was a significant improvement for self-efficacy related to social pressure (p = .03) and restraint (p = .02) in the LI group. There was a significant difference for emotional well-being quality of life (p = .02), self-efficacy related to negative emotions (p < .01), food availability (p = .03), and physical discomfort (p = .01) in women who lost weight as compared to women who gained weight. Improvement in restraint was also reported in women who lost weight (p < .01). CONCLUSION This pilot lifestyle intervention had no effect on quality of life or depression but did improve self-efficacy and some eating behaviors. TRIAL REGISTRATION http://www.clinicaltrials.gov; NCT00420979.
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Mishra SI, Aziz NM, Scherer RW, Baquet CR, Berlanstein DR, Geigle PM. Exercise interventions on health related quality of life for cancer survivors. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2009. [DOI: 10.1002/14651858.cd007566] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Is exercise an acceptable and practical therapy for people with or cured of cancer? A systematic review. Cancer Treat Rev 2009; 35:383-90. [PMID: 19131171 DOI: 10.1016/j.ctrv.2008.11.008] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2008] [Revised: 11/19/2008] [Accepted: 11/27/2008] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Therapeutic exercise, although potentially beneficial, does not appear acceptable to many cancer patients. A greater understanding of the reasons for this is required. We have systematically reviewed the use of exercise in this group, identifying rates of uptake, adherence and completion along with factors influencing acceptability. METHODS Searches were completed using relevant key words. Data on study design, patient group, exercise intervention, patient flow data and reasons for declining or withdrawing from a programme were independently extracted by two researchers. Rates of study uptake, completion and adherence were compared according to dichotomised patient or programme characteristics using Mann Whitney U test (p=0.05). Reasons provided when declining or withdrawing from a study were categorised. RESULTS Sixty five studies were included. The majority contained groups made up entirely or predominantly of patients with breast cancer offered an aerobic or resistance exercise programme. The median [IQR] rates of uptake, adherence and completion were 63 [33-80]%, 84 [72-93]% and 87 [80-96]%, respectively. No characteristic influenced the proportion of patients taking up or completing a programme. The main reasons for refusal were disinterest or the impracticality of undertaking the programme and for withdrawal, medical complication or deterioration. CONCLUSIONS The invitation to undertake a programme of therapeutic exercise is accepted by about two-thirds of patients. Rates of adherence and completion are relatively high, but overall, only about half of patients offered a programme complete one. There is a need to modify exercise programmes if they are to be acceptable for the majority of patients.
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Johnson BL, Trentham-Dietz A, Koltyn KF, Colbert LH. Physical activity and function in older, long-term colorectal cancer survivors. Cancer Causes Control 2009; 20:775-84. [PMID: 19123055 DOI: 10.1007/s10552-008-9292-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2008] [Accepted: 12/17/2008] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Increasing age and cancer history are related to impaired physical function. Since physical activity has been shown to ameliorate age-related functional declines, we evaluated the association between physical activity and function in older, long-term colorectal cancer survivors. METHODS In 2006-2007, mailed surveys were sent to colorectal cancer survivors, aged > or = 65 years when diagnosed during 1995-2000, and identified through a state cancer registry. Information on physical activity, physical function, and relevant covariates was obtained and matched to registry data. Analysis of covariance and linear regression were used to compare means and trends in physical function across levels of activity in the final analytic sample of 843 cases. RESULTS A direct, dose-dependent association between physical activity and function was observed (p(trend) < .001), with higher SF-36 physical function subscores in those reporting high versus low activity levels (65.0 +/- 1.7 vs. 42.7 +/- 1.7 (mean +/- standard error)). Walking, gardening, housework, and exercise activities were all independently related to better physical function. Moderate-vigorous intensity activity (p(trend) < .001) was associated with function, but light activity (p(trend) = 0.39) was not. CONCLUSION Results from this cross-sectional study indicate significant associations between physical activity and physical function in older, long-term colorectal cancer survivors.
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Affiliation(s)
- Brent L Johnson
- Department of Kinesiology, University of Wisconsin, 2000 Observatory Dr, Madison, WI 53706, USA
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Abstract
Mind-body medicine, grounded in a respectful, therapeutic partnership, should be a central element in the care of every person diagnosed with cancer. This article reviews some of the physiologic foundations of mind-body medicine, the introduction of mind-body approaches to cancer care in the 1970s, the specific mind-body approaches that have been used, and the evidence that supports their use. The importance of group support for enhancing the effectiveness of these approaches is discussed. Guidelines are offered for integrating mind-body approaches and perspectives in the care of people who have cancer.
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Affiliation(s)
- James S Gordon
- The Center for Mind-Body Medicine, 5225 Connecticut Avenue NW, Suite 414, Washington, DC 20015, USA.
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227
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Dimensions of physical activity and their relationship to physical and emotional symptoms in breast cancer survivors. J Cancer Surviv 2008; 2:253-61. [PMID: 18923906 DOI: 10.1007/s11764-008-0067-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2007] [Accepted: 09/24/2008] [Indexed: 10/21/2022]
Abstract
BACKGROUND Many breast cancer survivors experience long term sequelae, including fatigue, decreased physical functioning, pain, and psychological distress. Physical activity can ameliorate these problems, but there is little research on how activity should be performed to be most beneficial. This study explores how dimensions of physical activity (total energy expenditure, frequency, and duration) are associated with symptoms among breast cancer survivors. METHODS We conducted a secondary analysis of data on physical activity behavior and symptoms in a cross-sectional study (n = 148) of breast cancer survivors who were off treatment and had been diagnosed within the past 5 years. RESULTS Multivariate analyses showed that total energy expenditure was associated with better general health (p = 0.006) and fewer depressive symptoms (p = 0.014), while frequency of activity was linearly related to physical functioning (p = 0.047), pain (0.057), general health (p < 0.001), and depressive symptoms (p < 0.001). Duration was related to physical functioning, pain, and general health, but the worst outcomes were reported by the participants with the shortest and longest duration of activity (quadratic trend p values = 0.002, 0.003, 0.008, respectively). DISCUSSION/CONCLUSIONS Greater total energy expenditure, higher physical activity frequency, and moderate duration were associated with better outcomes for most symptoms, although there was no relationship between any of the dimensions of physical activity and fatigue. IMPLICATIONS FOR CANCER SURVIVORS The association of better outcomes with higher energy expenditure, higher frequency of activity, and moderate duration indicates that increasing activity through multiple short bouts may be the most beneficial for breast cancer survivors. However, randomized studies are needed to confirm this finding.
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An audiovisual information resource to assist in the transition from completion of potentially curative treatment for cancer through to survivorship: a systematic development process. J Cancer Surviv 2008; 1:226-36. [PMID: 18648973 DOI: 10.1007/s11764-007-0022-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Improvements in cancer screening and treatment are resulting in an increase in the number of cancer patients completing treatment who are apparently cured of their disease. There are few information resources for people at this juncture. An evidence-based DVD was developed for individuals at this stage with information about experiences encountered as a cancer survivor (CS). METHODS Focus groups and a literature review were conducted to establish the DVD content. The DVD was developed in conjunction with a multidisciplinary committee and according to a recommended best-practice framework. Interviews with CS and evidence-based commentary by health professionals (HP) made up the DVD. The final phase of development was to evaluate the usefulness and acceptability of the DVD with CS and HP. RESULTS A 52-min DVD with nine chapters was developed featuring 13 CS, a medical oncologist and a clinical psychologist. Thirty-two CS and 116 HP evaluated the DVD. Both groups considered the DVD was informative (CS 97%; HP 98%), easy to understand (CS and HP 100%), reassuring (CS 91%; HP 92%), relevant to their circumstances (CS 68%; HP 97%), did not contain too much information (CS 75%; HP 71%) and was not distressing to watch (CS 84%; HP 80%). DISCUSSION The DVD was well accepted by both CS and HP. Modifications were made as a result of the evaluations, the most significant of which was re-filming of commentary by the two HP. Future research should evaluate the effectiveness of the DVD in controlled trials with outcomes such as quality of long term health, symptom burden and cancer specific distress. IMPLICATIONS FOR CANCER SURVIVORS The DVD is expected to be a useful resource for CS living beyond effective treatment for cancer.
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Associations between exercise, quality of life, and fatigue in colorectal cancer survivors. Dis Colon Rectum 2008; 51:1242-8. [PMID: 18536970 DOI: 10.1007/s10350-008-9324-2] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2007] [Revised: 11/14/2007] [Accepted: 11/15/2007] [Indexed: 02/08/2023]
Abstract
PURPOSE This study was designed to examine quality of life and fatigue in colorectal cancer survivors meeting and not meeting public health exercise guidelines. METHODS A Canadian provincial cancer registry identified colorectal cancer survivors who were mailed a questionnaire that assessed self-reported exercise, quality of life (Functional Assessment of Cancer Therapy - Colorectal), fatigue, medical, and demographic variables. RESULTS Completed questionnaires were received from 413 (61.3 percent) eligible colorectal cancer survivors. Only 25.9 percent of colorectal cancer survivors reported meeting exercise guidelines. Colorectal cancer survivors meeting public health exercise guidelines reported clinically and significantly better quality of life (mean difference, 6; 95 percent confidence interval, 2.3-9.8; P = 0.002) and fatigue (mean difference = 5.2; 95 percent confidence interval, 2.9-7.5; P < 0.001). Differences remained after adjusting for medical and demographic factors. Cancer site (i.e., colon vs. rectal) was the only variable to moderate this association (P < 0.05 for interaction). CONCLUSIONS Colorectal cancer survivors meeting public health exercise guidelines reported significantly and meaningfully better quality of life and fatigue scores than colorectal cancer survivors who did not meet guidelines. Prospective observational studies and randomized, controlled trials are needed to further assess the causal nature of these relationships.
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Cheville AL, Troxel AB, Basford JR, Kornblith AB. Prevalence and treatment patterns of physical impairments in patients with metastatic breast cancer. J Clin Oncol 2008; 26:2621-9. [PMID: 18509174 DOI: 10.1200/jco.2007.12.3075] [Citation(s) in RCA: 148] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Physical impairments cause profound functional declines in patients with cancer. Although common rehabilitation measures can address many impairments, the extent of their delivery is unknown. We studied these issues by quantifying physical impairments in patients with metastatic breast cancer and by assessing how they are addressed. PATIENTS AND METHODS A consecutive sample of 163 community-dwelling patients with metastatic breast cancer was stratified by Karnofsky performance score and administered the Medical Outcomes Study Physical Function Subscale and the Older Americans Resource Study Activities of Daily Living subscales. Cancer-related physical impairments were identified through a physical examination, the 6-Minute Walk Test, and the Functional Independence Measure Mobility Subscale. Patients were questioned regarding the nature, type, and setting of treatments for impairments. Physical rehabilitation needs were determined through a consensus process involving physiatrists and physical/occupational therapists specializing in cancer. RESULTS Ninety-two percent of patients (150 of 163) had at least one physical impairment. Among 530 identified impairments, 484 (92%) required a physical rehabilitation intervention and 469 (88%) required physical therapy (PT) and/or occupational therapy (OT). Only 30% of impairments requiring rehabilitation services and 21% of those requiring PT/OT received treatment. Impairments detected during hospitalization were overwhelmingly more likely to receive a rehabilitation intervention (odds ratio [OR] = 87.9; 95% CI, 28.5 to 271.4), and PT/OT (OR = 558.8; 95% CI, 187.0 to 1,669.6). Low socioeconomic and minority status were significantly associated with nontreatment. CONCLUSION Remediable physical impairments were prevalent and poorly addressed among patients with metastatic breast cancer, drastically so in the outpatient setting. Undertreatment was particularly prominent among minority and socioeconomically disadvantaged groups.
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Affiliation(s)
- Andrea L Cheville
- Department of Physical Medicine and Rehabilitation, Mayo Clinic College of Medicine, 200 First St SW, Rochester, MN 55905, USA.
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Chang PH, Lai YH, Shun SC, Lin LY, Chen ML, Yang Y, Tsai JC, Huang GS, Cheng SY. Effects of a walking intervention on fatigue-related experiences of hospitalized acute myelogenous leukemia patients undergoing chemotherapy: a randomized controlled trial. J Pain Symptom Manage 2008; 35:524-34. [PMID: 18280104 DOI: 10.1016/j.jpainsymman.2007.06.013] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2007] [Revised: 06/21/2007] [Accepted: 06/29/2007] [Indexed: 11/25/2022]
Abstract
The purpose of this randomized, controlled clinical trial was to preliminarily examine the effects of a three-week walking exercise program (WEP) on fatigue-related experiences of acute myelogenous leukemia (AML) patients receiving chemotherapy. Eligible AML patients were randomly assigned to either an experimental group (n=11), which received 12 minutes of WEP per day, five days per week for three consecutive weeks, or to a control group (n=11), which received standard ward care. Effects of the WEP were assessed by seven indicators: worst and average fatigue intensities, fatigue interference with patients' daily life, 12-minute walking distance, overall symptom distress, anxiety, and depressive status. All patients were evaluated four times: before chemotherapy (baseline or Day 1), Day 7, Day 14, and Day 21 of chemotherapy. Data were analyzed by Generalized Estimating Equation and revealed that AML patients in the three-week WEP group had a significantly greater increase in 12-minute walking distance than the control group. Patients in the WEP also had lower levels of fatigue intensity and interference, symptom distress, anxiety, and depressive status than the control group. Although preliminary, our results strongly suggest that three weeks of systematic walking exercise is clinically feasible for AML patients undergoing chemotherapy and can effectively improve their fatigue-related experiences.
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Affiliation(s)
- Pi-Hua Chang
- Department of Nursing, Taichung Veterans General Hospital, Taichung, Republic of China
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232
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van Weert E, Hoekstra-Weebers JEHM, May AM, Korstjens I, Ros WJG, van der Schans CP. The development of an evidence-based physical self-management rehabilitation programme for cancer survivors. PATIENT EDUCATION AND COUNSELING 2008; 71:169-190. [PMID: 18255249 DOI: 10.1016/j.pec.2007.11.027] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2007] [Revised: 11/28/2007] [Accepted: 11/28/2007] [Indexed: 05/25/2023]
Abstract
OBJECTIVE This paper describes the development of a physical training programme for cancer patients. Four related but conceptually and empirically distinct physical problems are described: decreased aerobic capacity, decreased muscle strength, fatigue and impaired role physical functioning. The study aimed to identify the optimal content for an exercise programme that addresses these four physical problems, based on the highest level of evidence available. The study further aimed to review the evidence available on the delivery of the programmes. The final goal was to develop a programme in which content and delivery are based on the best available evidence. METHODS Literature searches (PUBMED and MEDLINE, to July 2006) on content looked for evidence about the efficacy of exercise on aerobic capacity, muscle strength, fatigue and impaired role physical functioning. Literature searches on delivery looked for self-management and/or self-efficacy enhancing techniques in relation to outcome, adherence to and/or adoption of a physically active lifestyle. RESULTS Evidence on the effectiveness of exercise in cancer patients varies and increases when moving from muscle strength (RCT level), fatigue and physical role functioning to aerobic capacity (all at the meta-analysis level). Effect sizes for aerobic capacity were moderate, while effect sizes for fatigue and physical role functioning were zero and/or small. Many of the studies have significant methodological shortcomings. There was some evidence (meta-analyses) that self-management programmes and self-efficacy enhancing programmes have beneficial effects on health outcomes in a variety of chronic diseases, on the quality of life in cancer patients, and on exercise adherence and later exercise behaviour. CONCLUSION Limited data are available on the effectiveness of exercise for cancer patients. Although evidence supports the positive effects of exercise on exercise capacity during and after completion of cancer treatment, the effects for fatigue and role functioning are ambiguous. Evidence on the effectiveness of progressive exercise training on muscle strength is promising. In addition, some evidence supports the positive effects of self-management programmes and self-efficacy enhancing programmes on health outcomes, exercise adherence and later exercise behaviour. PRACTICE IMPLICATIONS The resulting programme was developed on the basis of the highest quality of evidence available regarding content and delivery. The content is based on information obtained from the present review, and on the recommendations of the American College of Sports Medicine. Potential advantages of the programme include: (a) tailored physical training towards focusing on the patient's established problems and (b) delivery of the training as a self-management programme that might have beneficial effects on health outcome, exercise adherence and a long-term physically active lifestyle.
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Affiliation(s)
- Ellen van Weert
- Center for Rehabilitation, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
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233
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Sanoff HK, Goldberg RM, Pignone MP. A systematic review of the use of quality of life measures in colorectal cancer research with attention to outcomes in elderly patients. Clin Colorectal Cancer 2008; 6:700-9. [PMID: 18039423 DOI: 10.3816/ccc.2007.n.039] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE Quality of life (QOL) measures are critical to the evaluation of new cancer treatments, particularly for elderly patients. Our intent was to assess patterns of use of QOL endpoints in colorectal cancer (CRC) treatment research and to summarize current knowledge about how CRC treatment affects elderly patients. PATIENTS AND METHODS We searched MEDLINE for English-language, human trials published from 1995 to 2005 that met the following criteria: reported on patients with CRC, were not surgery-only cohorts, and included a QOL or functional endpoints. Trials specifically reporting data on elderly patients were reviewed in depth and summarized. RESULTS One hundred twenty-one eligible studies and 10 trials with elderly-specific data were found. The median number of trials published annually increased from 5 (range, 4-8 trials) between 1995 and 1999 to 14.5 (range, 11-22 trials) between 2000 and 2005. Chemotherapy was the most commonly studied treatment (55%), and metastatic CRC (55%) was the most commonly studied population. The European Organization for Research and Treatment of Cancer C30, with or without C38, was the most frequently used instrument (49%). Studies reporting on elderly patients showed that many patients experience a decline in physical function immediately after surgery and have increased need for supportive services. Little information is available on the effect of chemotherapy in elderly patients. Use of QOL and functional measures in treatment-related CRC research has increased; however, it continues to be hampered by a lack of dissemination and methodologic problems. CONCLUSION Missing data from patient attrition, limitations of assessment methods, and a small number of patients treated with chemotherapy in the trials reporting on elderly patients seriously limit our ability to draw conclusions from this survey about how treatment affects QOL or function in CRC.
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Affiliation(s)
- Hanna K Sanoff
- Division of Hematology and Oncology, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7305, USA.
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Abstract
BACKGROUND Cancer-related fatigue is now recognised as an important symptom associated with cancer and its treatment. A number of studies have investigated the effects of physical activity in reducing cancer-related fatigue with no definitive conclusions regarding its effectiveness. OBJECTIVES To evaluate the effect of exercise on cancer-related fatigue both during and after cancer treatment. SEARCH STRATEGY The Cochrane Controlled Trials Register (CENTRAL/CCTR), MEDLINE (1966 to July 2007), EMBASE (1980 to July 2007), CINAHL (1982 to July 2007), British Nursing Index (January 1984 to July 2007), AMED (1985 to July 2007), SIGLE (1980 to July 2007), and Dissertation Abstracts International (1861 to July 2007) were all searched using key words. Reference lists off all studies identified for inclusion and relevant reviews were also searched. In addition, relevant journals were hand searched and experts in the field of cancer-related fatigue were contacted. SELECTION CRITERIA Randomised controlled trials (RCTs) that investigated the effect of exercise on cancer-related fatigue in adults were included. DATA COLLECTION AND ANALYSIS Two review authors independently assessed the methodological quality of studies and extracted data based upon predefined criteria. Where data were available meta-analyses were performed for fatigue using a random-effects model. MAIN RESULTS Twenty-eight studies were identified for inclusion (n = 2083 participants), with the majority carried out on participants with breast cancer (n = 16 studies; n = 1172 participants). A meta-analysis of all fatigue data, incorporating 22 comparisons provided data for 920 participants who received an exercise intervention and 742 control participants. At the end of the intervention period exercise was statistically more effective than the control intervention (SMD -0.23, 95% Confidence Interval (CIs) -0.33 to -0.13). AUTHORS' CONCLUSIONS Exercise can be regarded as beneficial for individuals with cancer-related fatigue during and post cancer therapy. Further research is required to determine the optimal type, intensity and timing of an exercise intervention.
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Affiliation(s)
- F Cramp
- University of the West of England, School of Allied Health Professions, Glenside Campus, Blackberry Hill, Bristol, UK, BS16 1DD.
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von Gruenigen VE, Courneya KS, Gibbons HE, Kavanagh MB, Waggoner SE, Lerner E. Feasibility and effectiveness of a lifestyle intervention program in obese endometrial cancer patients: A randomized trial. Gynecol Oncol 2008; 109:19-26. [DOI: 10.1016/j.ygyno.2007.12.026] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2007] [Revised: 12/18/2007] [Accepted: 12/20/2007] [Indexed: 12/21/2022]
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Beesley VL, Eakin EG, Janda M, Battistutta D. Gynecological cancer survivors’ health behaviors and their associations with quality of life. Cancer Causes Control 2008; 19:775-82. [DOI: 10.1007/s10552-008-9140-y] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2007] [Accepted: 02/19/2008] [Indexed: 11/28/2022]
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Ligibel JA, Campbell N, Partridge A, Chen WY, Salinardi T, Chen H, Adloff K, Keshaviah A, Winer EP. Impact of a mixed strength and endurance exercise intervention on insulin levels in breast cancer survivors. J Clin Oncol 2008; 26:907-12. [PMID: 18281663 DOI: 10.1200/jco.2007.12.7357] [Citation(s) in RCA: 214] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
PURPOSE Accumulating data suggest that exercise may affect breast cancer risk and outcomes. Studies have demonstrated that high levels of insulin, often seen in sedentary individuals, are associated with increased risk of breast cancer recurrence and death. We sought to analyze whether exercise lowered insulin concentrations in breast cancer survivors. METHODS One hundred one sedentary, overweight breast cancer survivors were randomly assigned either to a 16-week cardiovascular and strength training exercise intervention or to a usual care control group. Fasting insulin and glucose levels, weight, body composition, and circumference at the waist and hip were collected at baseline and 16 weeks. RESULTS Baseline and 16-week measurements were available for 82 patients. Fasting insulin concentrations decreased by an average of 2.86 microU/mL in the exercise group (P = .03), with no significant change in the control group (decrease of 0.27 microU/mL, P = .65). The change in insulin levels in the exercise group seemed greater than the change in controls, but the comparison did not reach statistical significance (P = .07). There was a trend toward improvement in insulin resistance in the exercise group (P = .09) but no change in fasting glucose levels. The exercise group also experienced a significant decrease in hip measurements, with no change in weight or body composition. CONCLUSION Participation in an exercise intervention was associated with a significant decrease in insulin levels and hip circumference in breast cancer survivors. The relationship between physical activity and breast cancer prognosis may be mediated, in part, through changes in insulin levels and/or changes in body fat or fat deposition.
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Affiliation(s)
- Jennifer A Ligibel
- Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School, Channing Laboratory, Boston, MA, USA.
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Jacobsen PB, Donovan KA, Vadaparampil ST, Small BJ. Systematic review and meta-analysis of psychological and activity-based interventions for cancer-related fatigue. Health Psychol 2008; 26:660-7. [PMID: 18020836 DOI: 10.1037/0278-6133.26.6.660] [Citation(s) in RCA: 191] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
CONTEXT Fatigue is among the most common and distressing symptoms experienced by cancer patients. OBJECTIVE This systematic review and meta-analysis evaluates the efficacy of psychological and activity-based interventions against cancer-related fatigue in cancer patients. DATA SOURCES MEDLINE, PsycINFO, and CINAHL. STUDY SELECTION Randomized controlled trials of psychological and activity-based interventions involving adult cancer patients in which fatigue was an outcome were reviewed. EXTRACTION Forty-one trials were reviewed and 30 were included in a meta-analysis. DATA SYNTHESIS Fifty percent of psychological trials and 44% of activity-based trials rated fair or better in quality yielded significant findings favoring the intervention condition. Meta-analysis yielded an overall effect size of 0.09 (95% CI = .02- .16) favoring nonpharmacological conditions. Further analysis indicated that effect sizes were significant for psychological interventions (d-sub(w) = .10, 95% CI = .02-.18) but not activity-based interventions (d-sub(w) = .05, 95% CI = -.08 - .19). CONCLUSIONS Findings provide limited support for use of nonpharmacological interventions to manage cancer-related fatigue. The lack of research with heightened fatigue as an eligibility criterion is a notable weakness of the existing evidence base.
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Affiliation(s)
- Paul B Jacobsen
- Health Outcomes and Behavior Program, Moffitt Cancer Center and University of South Florida, 12902 Magnolia Drive, Tampa FL 33612, USA.
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Harriss DJ, Cable NT, George K, Reilly T, Renehan AG, Haboubi N. Physical activity before and after diagnosis of colorectal cancer: disease risk, clinical outcomes, response pathways and biomarkers. Sports Med 2008; 37:947-60. [PMID: 17953466 DOI: 10.2165/00007256-200737110-00003] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Physical inactivity may be responsible for 13-14% of colon cancer, an attributable risk greater than family history. Epidemiological evidence shows an association between occupational and recreational physical activity and colon cancer, but has not established whether physical activity is protective against low-risk or more advanced adenomas. The evidence is inconclusive as to whether physical activity protects against rectal cancer and is conflicting with respect to whether physical activity has equal effects on male and female risk of colorectal cancer. The effect of exercise 'interventions' on the risk of colorectal cancer is currently not known. Also, although inferences can be made from epidemiological studies, no optimal exercise regimen can be confidently prescribed for protection against colorectal cancer. There is little available evidence for the benefits of physical activity before diagnosis of colorectal cancer for disease-specific survival and prognosis, and the clinical effects of an exercise intervention after diagnosis have not been investigated. There is some evidence that improvements in cardiorespiratory fitness reduce adverse effects from cancer treatment when physical activity is undertaken following diagnosis of colorectal cancer. Markers/mechanisms by which physical activity may protect against colorectal cancer and/or improve disease prognosis include gastrointestinal transit-time, chronic inflammation, immune function, insulin levels, insulin-like growth factors, genetics and obesity. Research evidence is, however, limited as to whether these markers are beneficially affected by physical activity, either before or after diagnosis of colorectal cancer.
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Affiliation(s)
- David J Harriss
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, Liverpool, UK.
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Conn VS, Hafdahl AR, Brown SA, Brown LM. Meta-analysis of patient education interventions to increase physical activity among chronically ill adults. PATIENT EDUCATION AND COUNSELING 2008; 70:157-72. [PMID: 18023128 PMCID: PMC2324068 DOI: 10.1016/j.pec.2007.10.004] [Citation(s) in RCA: 159] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2007] [Revised: 09/24/2007] [Accepted: 10/06/2007] [Indexed: 05/25/2023]
Abstract
OBJECTIVE This meta-analysis integrates primary research testing the effect of patient education to increase physical activity (PA) on behavior outcomes among adults with diverse chronic illnesses. METHODS Extensive literature searching strategies located published and unpublished intervention studies that measured PA behavior outcomes. Primary study results were coded. Fixed- and random-effects meta-analytic procedures included moderator analyses. RESULTS Data were synthesized across 22,527 subjects from 213 samples in 163 reports. The overall mean weighted effect size for two-group comparisons was 0.45 (higher mean for treatment than control). This effect size is consistent with a difference of 48 min of PA per week or 945 steps per day. Preliminary moderator analyses suggest interventions were most effective when they targeted only PA behavior, used behavioral strategies (versus cognitive strategies), and encouraged PA self-monitoring. Differences among chronic illnesses were documented. Individual strategies unrelated to PA outcomes included supervised exercise sessions, exercise prescription, fitness testing, goal setting, contracting, problem solving, barriers management, and stimulus/cues. PA outcomes were unrelated to gender, age, ethnicity, or socioeconomic distribution among samples. CONCLUSION These findings suggest that some patient education interventions to increase PA are effective, despite considerable heterogeneity in the magnitude of intervention effect. PRACTICE IMPLICATIONS Moderator analyses are preliminary and provide suggestive evidence for further testing of interventions to inform practice.
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Affiliation(s)
- Vicki S Conn
- S317 School of Nursing, University of Missouri, Columbia, MO 65211, USA.
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Physical activity, activity change, and their correlates in a population-based sample of colorectal cancer survivors. Ann Behav Med 2008; 34:135-43. [PMID: 17927552 DOI: 10.1007/bf02872668] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
BACKGROUND Physical activity can provide benefits to cancer survivors, including reduced symptoms and treatment side effects, improved overall quality of life, and decreased risk of other chronic diseases. PURPOSE The aim of the study was to describe physical activity before and after diagnosis of colorectal cancer and to examine the associations with sociodemographic and disease-related variables. METHODS Telephone interviews were conducted with 1,996 colorectal cancer survivors recruited through a cancer registry. RESULTS In comparison to prediagnosis activity levels, there were 21% fewer participants meeting the physical activity and health guideline (150 min of moderate-intensity physical activity per week) postdiagnosis. Meeting the guideline postdiagnosis was associated with being male, living outside of the state capital city, having a higher education, having a healthy body mass index, not smoking, having had surgery only, and no reported fatigue. Attributes associated with a decrease in physical activity following diagnosis were being female, living within the state capital city, having a lower level of education, having a stoma, having adjuvant therapy, and experiencing fatigue. CONCLUSIONS There is considerable scope for targeted interventions to increase the physical activity of colorectal cancer survivors, particularly for those groups that we have identified as being less active and/or have reduced their activity.
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242
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Lee EO, Eom A, Song R, Chae YR, Lam P. Factors Influencing Quality of Life in Patients with Gastrointestinal Neoplasms. J Korean Acad Nurs 2008; 38:649-55. [DOI: 10.4040/jkan.2008.38.5.649] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Eun Ok Lee
- Emeritus Professor, College of Nursing, Seoul National University, Seoul, Korea
| | - Aeyong Eom
- Full time Instructor, Department of Nursing, Margaret Pritchard University, Jeonju, Korea
| | - Rhayun Song
- Associate Professor, Department of Nursing, Chungnam National University, Daejeon, Korea
| | - Young Ran Chae
- Associate Professor, Department of Nursing, Kangwon National University, Chuncheon, Korea
| | - Paul Lam
- Conjoint Lecturer, Department of Family Medicine, University of New South Wales, Sydney, Australia
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Humpel N, Iverson DC. Depression and quality of life in cancer survivors: is there a relationship with physical activity? Int J Behav Nutr Phys Act 2007; 4:65. [PMID: 18081938 PMCID: PMC2244640 DOI: 10.1186/1479-5868-4-65] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2007] [Accepted: 12/17/2007] [Indexed: 11/10/2022] Open
Abstract
Background Evidence is growing on the benefit of physical activity to improve well-being following a cancer diagnosis. This study examined changes in physical activity from pre to post diagnosis and explored this relationship with quality of life and depression. Methods Participants were recruited by posters and by letter of invitation. The questionnaire was completed by 59 prostate and 32 breast cancer survivors. Results Physical activity decreased by 72 minutes per week from pre to post diagnosis, although 20.9% reported having increased activity post diagnosis. Over 30% were considered depressed. Breast cancer participants who increased physical activity post diagnosis reported higher scores for Physical Wellbeing subscale (26 versus 21; F[1,29] = 5.19, p < .03), Emotional Wellbeing subscale (22 versus 19; F[1,30] = 4.57, p < .04) and Functional Wellbeing subscale (26 versus 19; F[1,30] = 9.03, p < .001). A greater proportion of participants taking part in no physical activity were depressed (55.6%; χ2 = 6.83, p < .04). Conclusion Over 25% of participants identified with emotional and/or well being problems, and more than half reported insufficient physical activity to yield benefits. Future research needs to gain a better understanding of why cancer survivors decrease their physical activity following a cancer diagnosis and what is necessary for them in order to retain or increase their physical activity.
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Affiliation(s)
- Nancy Humpel
- Eastern Australia Dementia Training Study Centre, University of Wollongong, NSW, Australia.
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Abstract
OBJECTIVES To review randomized controlled trials that offered exercise interventions for adults diagnosed and treated for cancer related to design, sample, type of intervention, and outcomes. DATA SOURCES Several electronic databases were searched and recent review papers were scanned to identify relevant publications. CONCLUSION Exercise adoption seems clearly feasible for early stage cancer patients, particularly breast cancer patients. Data support positive effects for physical functioning, quality of life, and psychological well-being. Effects for patients with later-stage disease and other cancers are less clear. The impact of exercise adoption on biomarkers of disease status, immune functioning, and hormone levels should also be examined. IMPLICATIONS FOR NURSING PRACTICE There are many opportunities for nurses to promote exercise in clinical care and in a research context.
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Affiliation(s)
- Bernardine M Pinto
- Centers for Behavioral and Preventive Medicine, Coro Bldg, Suite 500, One Hoppin St, Providence, RI 02903, USA.
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Luctkar-Flude MF, Groll DL, Tranmer JE, Woodend K. Fatigue and Physical Activity in Older Adults With Cancer. Cancer Nurs 2007; 30:E35-45. [PMID: 17876176 DOI: 10.1097/01.ncc.0000290815.99323.75] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Cancer is a disease predominantly affecting older adults. Cancer fatigue is the most common and often most distressing symptom associated with cancer and its treatment, often persisting months to years after treatment. Untreated cancer fatigue may lead to significant reductions in physical activity, physical functioning, and quality of life and may interfere with patients' adherence to cancer treatment. Physical activity has the strongest supporting evidence as an intervention to reduce cancer fatigue, maintain physical function, and optimize quality of life. This article reviews the literature related to fatigue and physical activity in older adults with cancer. Nine experimental and 10 observational studies that enrolled subjects 65 years or older were synthesized in the review and provided evidence that physical activity may be an effective intervention for cancer fatigue in older adults. The generalizability of the findings to older adults was limited by the poor representation of this age group in the studies. Few studies provided an analysis of age-related effects of physical activity on fatigue, physical function, and quality of life.
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Mustian KM, Morrow GR, Carroll JK, Figueroa-Moseley CD, Jean-Pierre P, Williams GC. Integrative nonpharmacologic behavioral interventions for the management of cancer-related fatigue. Oncologist 2007; 12 Suppl 1:52-67. [PMID: 17573456 DOI: 10.1634/theoncologist.12-s1-52] [Citation(s) in RCA: 177] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cancer-related fatigue (CRF) is a debilitating, multi-faceted biopsychosocial symptom experienced by the majority of cancer survivors during and after treatment. CRF begins after diagnosis and frequently persists long after treatments end, even when the cancer is in remission. The etiological pathopsychophysiology underlying CRF is multifactorial and not well delineated. Mechanisms may include abnormal accumulation of muscle metabolites, dysregulation of the homeostatic status of cytokines, irregularities in neuromuscular function, abnormal gene expression, inadequate ATP synthesis, serotonin dysregulation, abnormal vagal afferent nerve activation, as well as an array of psychosocial mechanisms, including self-efficacy, causal attributions, expectancy, coping, and social support. An important first step in the management of CRF is the identification and treatment of associated comorbidities, such as anemia, hypothyroidism, pain, emotional distress, insomnia, malnutrition, and other comorbid conditions. However, even effective clinical management of these conditions will not necessarily alleviate CRF for a significant proportion of cancer survivors. For these individuals, intervention with additional therapeutic modalities may be required. The National Comprehensive Cancer Network guidelines recommend that integrative nonpharmacologic behavioral interventions be implemented for the effective management of CRF. These types of interventions may include exercise, psychosocial support, stress management, energy conservation, nutritional therapy, sleep therapy, and restorative therapy. A growing body of scientific evidence supports the use of exercise and psychosocial interventions for the management of CRF. Research on these interventions has yielded positive outcomes in cancer survivors with different diagnoses undergoing a variety of cancer treatments. The data from trials investigating the efficacy of other types of integrative nonpharmacologic behavioral therapies for the management of CRF, though limited, are also encouraging. This article provides an overview of current research on the relative merits of integrative nonpharmacologic behavioral interventions for the effective clinical management of CRF and makes recommendations for future research. Disclosure of potential conflicts of interest is found at the end of this article.
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Affiliation(s)
- Karen M Mustian
- Department of Radiation Oncology, University of Rochester School of Medicine and Dentistry, James P Wilmot Cancer Center, Rochester, NY 14642, USA.
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Daley AJ, Crank H, Mutrie N, Saxton JM, Coleman R. Determinants of adherence to exercise in women treated for breast cancer. Eur J Oncol Nurs 2007; 11:392-9. [PMID: 17524796 DOI: 10.1016/j.ejon.2007.03.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2006] [Revised: 03/09/2007] [Accepted: 03/15/2007] [Indexed: 11/26/2022]
Abstract
We describe adherence to a three group randomised controlled trial that involved aerobic exercise therapy (N=34) and exercise-placebo intervention (N=36) or usual care (N=38) in women treated for breast cancer. We also investigated relationships between routes of trial recruitment, socio-economic characteristics, health behaviours, cancer treatment regimen(s) and subsequent adherence to the interventions. Women who had completed breast cancer treatment 12-36 months previously were randomised to one of the groups. The intervention groups attended an exercise facility three times per week for eight weeks. A total of 77% of the aerobic exercise therapy and 88.9% of the exercise-placebo groups attended at least 70% of prescribed sessions. The percentage of women achieving 30min of aerobic exercise per session steadily increased during the intervention but many women were not able to achieve this goal. Routes of trial recruitment, socio-economic characteristics, health behaviours and cancer treatment regimen(s) were not related to intervention. Exercise therapy participants were able to comply with the progressive nature of the aerobic exercise intervention, although some women were not able to achieve 30min of aerobic exercise per session by intervention completion. Research is still required to tease out all the potential determinants of exercise in this population.
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Affiliation(s)
- Amanda J Daley
- The Department of Primary Care and General Practice, The Medical School, Clinical Sciences Building, University of Birmingham, Birmingham B15 2TT, UK.
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Abstract
Underlying the pathogenesis of chronic disease is the state of oxidative stress. Oxidative stress is an imbalance in oxidant and antioxidant levels. If an overproduction of oxidants overwhelms the antioxidant defenses, oxidative damage of cells, tissues, and organs ensues. In some cases, oxidative stress is assigned a causal role in disease pathogenesis, whereas in others the link is less certain. Along with underlying oxidative stress, chronic disease is often accompanied by muscle wasting. It has been hypothesized that catabolic programs leading to muscle wasting are mediated by oxidative stress. In cases where disease is localized to the muscle, this concept is easy to appreciate. Transmission of oxidative stress from diseased remote organs to skeletal muscle is thought to be mediated by humoral factors such as inflammatory cytokines. This review examines the relationship between oxidative stress, chronic disease, and muscle wasting, and the mechanisms by which oxidative stress acts as a catabolic signal.
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Affiliation(s)
- Jennifer S Moylan
- Department of Physiology, University of Kentucky, 800 Rose Street, Room MS-509, Lexington, Kentucky 40536-0298, USA
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Daley AJ, Crank H, Mutrie N, Saxton JM, Coleman R. Patient recruitment into a randomised controlled trial of supervised exercise therapy in sedentary women treated for breast cancer. Contemp Clin Trials 2007; 28:603-13. [PMID: 17433791 DOI: 10.1016/j.cct.2007.02.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2006] [Revised: 02/06/2007] [Accepted: 02/28/2007] [Indexed: 11/29/2022]
Abstract
BACKGROUND The purpose of this study was to determine the effectiveness of different recruitment strategies used to recruit patients into the Sheffield Exercise and Breast Cancer Trial (SHERBERT), which involved exercise as a therapy, in sedentary women treated for breast cancer. We also evaluated whether the routes of recruitment distinguished patients participating in the trial in terms of socio-economic characteristics, lifestyle behaviours, cancer treatment(s), treatment side effects, length of treatment and time since treatment was completed. METHODS SHERBERT aimed to recruit at least 114 sedentary women, aged 18-65 years, who had been treated for breast cancer between 1 and 3 years previously, to receive exercise therapy, an equal contact exercise-placebo intervention or usual care. Potentially eligible patients were recruited by postal invitation letters from their treating clinician (i.e. oncologist/surgeon) or by a range of community strategies. RESULTS We identified 572 potentially eligible patients via our various recruitment strategies. The response rate to clinician invitation letters was 39.3% (N=148/377), of patients who responded and remained available and interested (N=112) 46.4% (N=52) were eligible to be randomised. The community strategies derived a total of 195 interested responses, of these 66 patients (33.8%) were eligible to be randomised. On the basis of recruitment via clinician invitation letter we estimated the trial recruitment rate amongst eligible patients to be 28.6%. A total of 108 patients were eventually randomised. Responders to clinician invitation letters were more affluent compared to non-responders. Randomised patients recruited via different strategies did not vary significantly in terms of their socio-economic characteristics, lifestyle behaviours or variables related to cancer treatment. CONCLUSIONS The number of patients randomised was marginally lower than anticipated. We were able to identify and highlight valuable information for planning the recruitment of future trials involving similar populations.
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Affiliation(s)
- Amanda J Daley
- The Department of Primary Care and General Practice, The Medical School, Clinical Sciences Building, University of Birmingham, Birmingham B15 2TT, UK.
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