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Broadbent S, Buhmann R, Kriel Y, Coetzee S, Jones C, Morris M, Wright HH. Study protocol - assessing parkrun for walking rehabilitation for people living with, and beyond, cancer: acceptability, adherence, social support and physical function. BMC Sports Sci Med Rehabil 2024; 16:88. [PMID: 38641624 PMCID: PMC11027354 DOI: 10.1186/s13102-024-00882-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: 10/20/2023] [Accepted: 04/15/2024] [Indexed: 04/21/2024]
Abstract
INTRODUCTION Due to a variety of barriers, the majority of cancer survivors do not do enough physical activity to meet current recommendations. This study will assess the feasibility of participation in parkrun walk-run events as a novel mode of community rehabilitation exercise. METHODS This protocol describes a single-arm intervention study with participants acting as their own controls. The study accepts adults diagnosed with any type of cancer, undergoing treatment or in remission. Participants must be able to walk and have medical clearance to exercise. A sample of 100 participants will be recruited across the Sunshine Coast over two years. Data will be collected over 9-months at 4 time points: Baseline (T1); after 4-weeks of usual daily activities and cancer management prior to parkrun participation(T2); after a 6-month parkrun intervention (T3); at 2-month follow-up (T4). The primary objectives are to assess the acceptability of, and adherence to, parkrun as rehabilitation exercise. Secondary outcomes include wellness, health-related quality of life, anxiety, depression, mood, physical function, parkrun metrics, dietary intake, and diet and exercise behaviour. CONCLUSION This study will be the first to examine the long-term effects of parkrun as a cancer rehabilitation modality with regard to physical function, psychosocial outcomes and dietary intake. TRIAL REGISTRATION Australian and New Zealand Clinical Trials Registry ACTRN12623000473662 registered 09/05/2023.Approved by UniSC Human Research Ethics Committee (A221828) and the UK parkrun Research Board. Original protocol. Authors SB, RB, HHW, MM, YK.
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Affiliation(s)
- Suzanne Broadbent
- School of Health, University of the Sunshine Coast, 4556, Sippy Downs, QLD, Australia.
| | - Robert Buhmann
- School of Health, University of the Sunshine Coast, 4556, Sippy Downs, QLD, Australia
| | - Yuri Kriel
- School of Health, University of the Sunshine Coast, 4556, Sippy Downs, QLD, Australia
| | - Sonja Coetzee
- School of Health, University of the Sunshine Coast, 4556, Sippy Downs, QLD, Australia
| | - Christian Jones
- School of Law and Society, University of the Sunshine Coast, 4556, Sippy Downs, QLD, Australia
| | - Michelle Morris
- Sunshine Coast University Private Hospital, 4575, Birtinya, QLD, Australia
| | - Hattie H Wright
- School of Health, University of the Sunshine Coast, 4556, Sippy Downs, QLD, Australia
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Rodrigues B, Encantado J, Franco S, Silva MN, Carraça EV. Psychosocial correlates of physical activity in cancer survivors: a systematic review and meta-analysis. J Cancer Surviv 2024:10.1007/s11764-024-01559-6. [PMID: 38448768 DOI: 10.1007/s11764-024-01559-6] [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: 12/10/2023] [Accepted: 02/28/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND Physical activity (PA) is a non-pharmacological approach to optimize health benefits in cancer survivors and is recommended as part of care. However, most cancer survivors fail to meet PA recommendations. The current systematic review and meta-analysis aimed to identify psychosocial correlates of free-living PA in cancer survivors. METHODS Three electronic databases were searched (PubMed, PsycINFO, and SportDiscus). Meta-analyses were conducted for psychosocial correlates tested ≥ 3 times. RESULTS Sixty-four articles were included. Eighty-eight different free-living PA correlates were identified. Meta-analyses (n = 32 studies) tested 23 PA correlates, of which 16 were significant (p < 0.05). Larger effect sizes (0.30 < ES > 0.45) were found for exercise self-efficacy, perceived behavioral control, intention, lower perceived barriers for exercise, enjoyment, perceived PA benefits, and attitudes. Small-to-moderate effects (0.18 < ES < 0.22) were found for subjective norms, physical functioning, quality of life, depression, and mental health. These findings were generally in line with narrative results. CONCLUSIONS This systematic review highlights important psychosocial correlates of free-living PA that can be targeted in future PA promotion interventions for cancer survivors. Constructs mainly from SCT and TPB were the most studied and appear to be associated with free-living PA in this population. However, we cannot currently assert which frameworks might be more effective. Further studies of better methodological quality, per correlate and theory, exploring longer-term associations and across different types of cancer, are needed. IMPLICATIONS FOR CANCER SURVIVORS Having higher exercise self-efficacy, perceived behavioral control, intention, enjoyment and perceived PA benefits, more positive attitudes towards PA, and lower perceived barriers for exercise, can help increase PA in cancer survivors.
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Affiliation(s)
- Bruno Rodrigues
- Faculty of Sport, University of Porto (Research Centre in Physical Activity, Health and Leisure), R. Dr. Plácido da Costa 91, 4200-450, Porto, Portugal.
| | - Jorge Encantado
- Faculdade de Motricidade Humana, CIPER, Universidade de Lisboa, Cruz Quebrada, Portugal
| | - Sofia Franco
- CIDEFES, Universidade Lusófona, Lisboa & CIFI2D, Universidade do Porto, Porto, Universidade Lusófona and Universidade do Porto, Lisbon and Porto, Portugal
| | - Marlene N Silva
- CIDEFES, Universidade Lusófona, Lisboa & CIFI2D, Universidade do Porto, Porto, Universidade Lusófona and Universidade do Porto, Lisbon and Porto, Portugal
| | - Eliana V Carraça
- CIDEFES, Universidade Lusófona, Lisboa & CIFI2D, Universidade do Porto, Porto, Universidade Lusófona and Universidade do Porto, Lisbon and Porto, Portugal
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Tanay MAL, Armes J, Moss-Morris R, Rafferty AM, Robert G. A systematic review of behavioural and exercise interventions for the prevention and management of chemotherapy-induced peripheral neuropathy symptoms. J Cancer Surviv 2023; 17:254-277. [PMID: 33710510 PMCID: PMC9971149 DOI: 10.1007/s11764-021-00997-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 01/19/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Chemotherapy-induced peripheral neuropathy (CIPN) can result in functional difficulties. Pharmacological interventions used to prevent CIPN either show low efficacy or lack evidence to support their use and to date, duloxetine remains the only recommended treatment for painful CIPN. Non-pharmacological interventions such as exercise and behavioural interventions for CIPN exist. PURPOSE The aims were to (1) identify and appraise evidence on existing behavioural and exercise interventions focussed on preventing or managing CIPN symptoms, (2) describe psychological mechanisms of action by which interventions influenced CIPN symptoms, (3) determine the underpinning conceptual models that describe how an intervention may create behaviour change, (4) identify treatment components of each intervention and contextual factors, (5) determine the nature and extent of patient and clinician involvement in developing existing interventions and (6) summarise the relative efficacy or effectiveness of interventions to lessen CIPN symptoms and to improve quality of life, balance and muscle strength. METHODS A systematic search of Ovid Medline, Cochrane Library, EMBASE, PsycINFO, Health Management Information Consortium, Global Health and CINAHL was performed to identify articles published between January 2000 to May 2020, followed by OpenGrey search and hand-searching of relevant journals. Studies that explored behavioural and/or exercise interventions designed to prevent or improve symptoms of CIPN in adults who had received or were receiving neurotoxic chemotherapy for any type of cancer, irrespective of when delivered within the cancer pathway were included. RESULTS Nineteen randomised controlled trials and quasi-experimental studies which explored behavioural (n=6) and exercise (n=13) interventions were included. Four studies were rated as methodologically strong, ten were moderate and five were weak. Ten exercise and two behavioural interventions, including those that improved CIPN knowledge and self-management resources and facilitated symptom self-reporting, led to reduced CIPN symptoms during and/or after chemotherapy treatment. CONCLUSIONS The extent of potential benefits from the interventions was difficult to judge, due to study limitations. Future interventions should incorporate a clear theoretical framework and involve patients and clinicians in the development process. IMPLICATIONS FOR CANCER SURVIVORS Our findings show exercise interventions have beneficial effects on CIPN symptoms although higher quality research is warranted. Behavioural interventions that increase patient's CIPN knowledge, improve self-management capacity and enable timely access to symptom management led to reduced CIPN symptoms.
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Affiliation(s)
- Mary Anne Lagmay Tanay
- Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College London, London, UK.
| | - Jo Armes
- School of Health Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Rona Moss-Morris
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Anne Marie Rafferty
- Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College London, London, UK
| | - Glenn Robert
- Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College London, London, UK
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Moorthy K, Halliday LJ, Noor N, Peters CJ, Wynter-Blyth V, Urch CE. Feasibility of Implementation and the Impact of a Digital Prehabilitation Service in Patients Undergoing Treatment for Oesophago-Gastric Cancer. Curr Oncol 2023; 30:1673-1682. [PMID: 36826089 PMCID: PMC9955831 DOI: 10.3390/curroncol30020128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/20/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Home-based and supervised prehabilitation programmes are shown to have a positive impact on outcomes in patients with oesophago-gastric (OG) cancer. The primary aim of this study was to establish the feasibility of delivering a digital prehabilitation service. METHODS Patients undergoing treatment for OG cancer with curative intent were recruited into the study. During the COVID-19 pandemic, patients were offered a digital prehabilitation service. Following the lifting of COVID-19 restrictions, patients were also offered both a hybrid clinic-based in-person service and a digital service. Implementation and clinical metrics from the two prehabilitation models were compared. RESULTS 31 of 41 patients accepted the digital service (75%). Of the people who started the digital programme, 3 dropped out (10%). Compliance with the weekly touchpoints was 86%, and the median length of programme was 12 weeks. Twenty-six patients enrolled in the in-person service. Two patients dropped out (10%). Average compliance to weekly touchpoints was 71%, and the median length of programme was 10 weeks. In the digital group, sit to stand (STS) increased from 14.5 (IQR 10.5-15.5) to 16 (IQR 16-22); p = 0.02. Median heart rate recovery (HRR) increased from 10.5 (IQR 7.5-14) to 15.5 (IQR 11-20) bpm; p = 0.24. There was a significant drop in distress (median 3 (IQR 0-5) to 1 (IQR 0-2); p = 0.04) and a small drop in anxiety (median 3 (0-5) to 2 (0-3); p = 0.22). There was no difference in the postoperative complication rate and length of hospital stay between the two groups. DISCUSSION This study has shown that digital prehabilitation can be delivered effectively to patients with OG cancer, with high engagement and retention rates. We observed improvements in some physical and psychological parameters with the digital service, with comparable clinical outcomes to the in-person service.
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Affiliation(s)
- Krishna Moorthy
- Department of Surgery and Cancer, Imperial College, London W2 1NY, UK
- Imperial College Healthcare NHS Trust, London W2 1NY, UK
- Onkohealth Ltd., Edgware HA8 7EB, UK
- Correspondence:
| | - Laura J. Halliday
- Department of Surgery and Cancer, Imperial College, London W2 1NY, UK
| | - Nigel Noor
- Department of Surgery and Cancer, Imperial College, London W2 1NY, UK
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Ricke E, Dijkstra A, Bakker EW. Prognostic factors of adherence to home-based exercise therapy in patients with chronic diseases: A systematic review and meta-analysis. Front Sports Act Living 2023; 5:1035023. [PMID: 37033885 PMCID: PMC10080001 DOI: 10.3389/fspor.2023.1035023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Abstract
Background Patients with a chronic disease may have an increased risk of non-adherence to prescribed home-based exercise therapy. We performed a systematic review with the aim to identify variables associated with adherence to home-based exercise therapy in patients with chronic diseases and to grade the quality of evidence for the association between these prognostic factors and adherence. Methods Cohort studies, cross-sectional studies and the experimental arm of randomized trials were identified using a search strategy applied to PubMed, Embase, PsychINFO and CINAHL from inception until August 1, 2022. We included studies with participants ≥18 years with a chronic disease as an indication for home-based exercise therapy and providing data on prognostic factors of adherence to home-based exercise. To structure the data, we categorized the identified prognostic factors into the five WHO-domains; (1) Patient-related, (2) Social/economic, (3) Therapy-related, (4) Condition-related, and (5) Health system factors. Risk of bias was assessed using the Quality in Prognostic Studies (QUIPS) tool. Prognostic factors of adherence were identified and the quality of the evidence between the prognostic factors and adherence were graded using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) framework for predictor studies. We performed a meta-analysis of the obtained information. Results A total of 57 studies were included. Within patient-related factors moderate- and high-quality evidence suggested that more self-efficacy, exercise history, motivation and perceived behavioral control predicted higher adherence. Within social-economic factors moderate-quality evidence suggested more education and physical health to be predictive of higher adherence and within condition-related factors moderate- and low-quality evidence suggested that less comorbidities, depression and fatigue predicted higher adherence. For the domains therapy-related and health-system factors there was not enough information to determine the quality evidence of the prognostic factors. Conclusion These findings might aid the development of future home-based exercise programs as well as the identification of individuals who may require extra support to benefit from prescribed home-based exercise therapy. Systematic Review Registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=277003, identifier PROSPERO CRD42021277003.
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Affiliation(s)
- Ellen Ricke
- Department of Social Psychology, University of Groningen, Groningen, Netherlands
- Correspondence: Ellen Ricke
| | - Arie Dijkstra
- Department of Social Psychology, University of Groningen, Groningen, Netherlands
| | - Eric W. Bakker
- Department of Epidemiology and Data Science | Division EBM, Academic Medical Centre, Amsterdam, Netherlands
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Brooke HL, Mazzoni AS, Buffart LM, Berntsen S, Nordin K, Demmelmaier I. Patterns and determinants of adherence to resistance and endurance training during cancer treatment in the Phys-Can RCT. BMC Sports Sci Med Rehabil 2022; 14:155. [PMID: 35964124 PMCID: PMC9375909 DOI: 10.1186/s13102-022-00548-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 08/08/2022] [Indexed: 11/12/2022]
Abstract
Background Knowledge regarding adherence is necessary to improve the specificity of exercise interventions during cancer treatment. We aimed to determine adherence to resistance and endurance training interventions in parallel; identify subgroups with similar adherence characteristics; and examine determinants of these subgroups. Methods In the Phys-Can randomised controlled trial, participants (n = 577, 81% women, mean(SD) age 59(12) years, and 50% with BMI ≥ 25 kg/m2) starting (neo-) adjuvant treatment for breast, colorectal or prostate cancer were randomized to 6-month of high (HI) or low-to-moderate intensity (LMI) supervised, group-based resistance training and individual home-based endurance training, with or without behavior change support. Adherence was calculated as performed exercise volume as a proportion of prescribed exercise volume (0–100%), overall (HI and LMI groups) and for frequency, intensity, type and time (FITT principles) (HI group). Adherence to resistance training was plotted against adherence to endurance training overall and for each FITT principle. K-means cluster analysis was used to identify subgroups with similar adherence characteristics. Potential determinants of subgroup membership were examined using multinomial logistic regression. Results We found a positive curvilinear correlation between adherence to resistance and endurance training overall. A similar correlation was seen for adherence to frequency of resistance vs. endurance training in the HI group. In the HI group, adherence to resistance training intensity and time was > 80% for almost all participants. For endurance training adherence ranged from 0 to 100% for each of the FITT principles. Three clusters were identified, representing low, mixed, and high adherence to resistance and endurance training overall. Participants with higher age (Relative risk ratio [95% CI]; LMI: 0.86[0.77–0.96], HI: 0.83[0.74–0.93]), no behaviour change support (LMI: 0.11[0.02–0.56], HI: 0.20[0.05–0.85]), higher cardiorespiratory fitness (LMI: 0.81[0.69–0.94], HI: 0.80[0.69–0.92]), more fatigue (according to the reduced activity subscale of the MFI questionnaire) (LMI: 0.48[0.31–0.73], HI: 0.69[0.52–0.93]) or higher quality of life (LMI: 0.95[0.90–1.00], HI: 0.93[0.88–0.98]) were less likely to be in the low than the high adherence cluster whether randomised to LMI or HI training. Other determinants were specific to those randomised to LMI or HI training. Conclusions In an exercise intervention during cancer treatment, adherence to resistance and endurance training were positively correlated. Personalisation of interventions and additional support for some subgroups of participants may improve adherence. Trial registrationNCT02473003 (clinicaltrials.gov, Registered 16/06/2015).
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Affiliation(s)
- Hannah L Brooke
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.,Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
| | - Anne-Sophie Mazzoni
- Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
| | - Laurien M Buffart
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Health Sciences, Nijmegen, The Netherlands
| | - Sveinung Berntsen
- Department of Sport Science and Physical Education, University of Agder, Kristiansand, Norway
| | - Karin Nordin
- Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
| | - Ingrid Demmelmaier
- Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden.
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Mak MKY, Wong-Yu ISK. Six-Month Community-Based Brisk Walking and Balance Exercise Alleviates Motor Symptoms and Promotes Functions in People with Parkinson's Disease: A Randomized Controlled Trial. JOURNAL OF PARKINSON'S DISEASE 2022; 11:1431-1441. [PMID: 33967056 DOI: 10.3233/jpd-202503] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND In Parkinson's disease (PD), sustained aerobic exercise is a promising therapy in delaying motor disability. Brisk walking is a moderate intensity aerobic training, which could be translated to community practice at low cost, but its effects on motor symptoms remains unclear. OBJECTIVE To determine the effectiveness of a six-month brisk walking and balance program in alleviating motor symptoms, and promoting functional, gait, and balance performance in people with PD. METHODS Seventy individuals with mild to moderate PD were randomly assigned to a brisk walking (BW) group or an active control (CON) group. BW group received ten 90-minute supervised brisk walking and balance exercise for six months (weeks 1-6: once/week, weeks 7-26: once/month). CON group received upper limb training. Both groups performed 2-3 self-practice sessions weekly. Primary outcome was Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS) motor score. Secondary outcomes were fast gait speed (FGS), timed-up-and-go (TUG) time, six-minute walk distance (6MWD), and Mini-Balance Evaluation Systems Test (Mini-BEST) score. RESULTS Sixty-four participants (33 BW/31 CON) completed training. BW group showed greater significant decreases from baseline than CON group in MDS-UPDRS motor score after six weeks (-5.5 vs -1.6, p < 0.001) and 6 months (-6.0 vs -1.4, p < 0.001) of training. BW group also showed greater significant improvement from the baseline than CON group for TUG time, FGS, 6MWD, and mini-BEST score (all p < 0.05). CONCLUSION The six-month brisk walking and balance program alleviates motor symptoms, promotes functional and gait performance, walking capacity, and dynamic balance in people with mild to moderate PD.
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Affiliation(s)
- Margaret K Y Mak
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Irene S K Wong-Yu
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong SAR, China
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8
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SupPoRtive Exercise Programmes for Accelerating REcovery after major ABdominal Cancer surgery trial (PREPARE-ABC): Pilot phase of a multicentre randomised controlled trial. Colorectal Dis 2021; 23:3008-3022. [PMID: 34355484 DOI: 10.1111/codi.15856] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 07/08/2021] [Accepted: 07/08/2021] [Indexed: 12/13/2022]
Abstract
AIM PREPARE-ABC is a pragmatic multicentre randomised controlled trial including an internal pilot designed to assess the clinical and cost-effectiveness of pre- and postoperative exercise in relation to short- and longer-term postoperative recovery outcomes in colorectal cancer patients undergoing surgical resection. Here, we report on internal pilot phase data for the first 200 patients randomised to the trial, which included prespecified stop-go criteria used to inform the decision to progress to the fully powered trial by the funder. METHODS Eligible and consenting patients are randomly assigned (1:1:1) to hospital-supervised exercise, home-supported exercise or treatment as usual (TAU). Randomisation is concealed but clinical teams providing treatment and participants are unmasked. Primary outcomes are 30-day morbidity (Clavien-Dindo) and 12-month health-related quality of life (Medical Outcomes Study Health Questionnaire). Here, we present findings from the prespecified pilot phase which assessed feasibility of site set up, recruitment, adherence and acceptability of trial processes to patients and site staff. RESULTS Between 9 November 2016 and 18 May 2018, 18 sites were set up, with 200 patients randomised to either hospital-supervised exercise (68), home-supported exercise (69) or treatment as usual (TAU) (63). Across the groups, 19 patients did not proceed to surgery or withdrew and 52% experienced a complication. Over half of the participants (57%) in the hospital-supervised group attended ≥6 preoperative sessions and 50% attended ≥5 monthly postoperative exercise "booster sessions". In the home-supported group, 70% patients engaged with ≥2 telephone support sessions in the preoperative phase and 80% engaged in ≥5 monthly telephone support "booster sessions". Adverse events were reported by 22 patients and three patients reported a serious adverse event. The majority of complications were Clavien-Dindo grades 1-2; however, 16 patients experienced one or more Clavien-Dindo grade 3-4 complication(s). CONCLUSIONS Results of the internal pilot phase confirm the feasibility of site set-up and patient recruitment, representativeness of the sample population and adequate adherence to hospital-supervised and home-supported exercise. On the basis of these positive results, progression to the fully-powered trial was authorised by the funder.
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9
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Bernard P, Savard J, Steindorf K, Sweegers MG, Courneya KS, Newton RU, Aaronson NK, Jacobsen PB, May AM, Galvao DA, Chinapaw MJ, Stuiver MM, Griffith KA, Mesters I, Knoop H, Goedendorp MM, Bohus M, Thorsen L, Schmidt ME, Ulrich CM, Sonke GS, van Harten W, Winters-Stone KM, Velthuis MJ, Taaffe DR, van Mechelen W, Kersten MJ, Nollet F, Wenzel J, Wiskemann J, Verdonck-de Leeuw IM, Brug J, Buffart LM. Effects and moderators of exercise on sleep in adults with cancer: Individual patient data and aggregated meta-analyses. J Psychosom Res 2019; 124:109746. [PMID: 31443811 DOI: 10.1016/j.jpsychores.2019.109746] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 06/14/2019] [Accepted: 06/16/2019] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To evaluate the effects of exercise interventions on sleep disturbances and sleep quality in patients with mixed cancer diagnoses, and identify demographic, clinical, and intervention-related moderators of these effects. METHODS Individual patient data (IPD) and aggregated meta-analyses of randomized controlled trials (RCTs). Using data from the Predicting OptimaL cAncer RehabIlitation and Supportive care project, IPD of 2173 adults (mean age = 54.8) with cancer from 17 RCTs were analyzed. A complementary systematic search was conducted (until November 2018) to study the overall effects and test the representativeness of analyzed IPD. Effect sizes of exercise effects on self-reported sleep outcomes were calculated for all included RCTs. Linear mixed-effect models were used to evaluate the effects of exercise on post-intervention outcome values, adjusting for baseline values. Moderator effects were studied by testing interactions for demographic, clinical and intervention-related characteristics. RESULTS For all 27 eligible RCTs from the updated search, exercise interventions significantly decreased sleep disturbances in adults with cancer (g = -0.09, 95% CI [-0.16; -0.02]). No significant effect was obtained for sleep quality. RCTs included in IPD analyses constituted a representative sample of the published literature. The intervention effects on sleep disturbances were not significantly moderated by any demographic, clinical, or intervention-related factor, nor by sleep disturbances. CONCLUSIONS This meta-analysis provides some evidence that, compared to control conditions, exercise interventions may improve sleep disturbances, but not sleep quality, in cancer patients, although this effect is of a small magnitude. Among the investigated variables, none was found to significantly moderate the effect of exercise interventions on sleep disturbances.
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Affiliation(s)
- P Bernard
- Université Laval Cancer Research Center, Québec, Québec, Canada; School of Psychology, Université Laval, Québec, Québec, Canada; CHU de Québec - Université Laval Research Center, Québec, Québec, Canada; Physical Activity Sciences Department, Université du Québec à Montréal, Montréal, Quebec, Canada; Research centre, University Institute of Mental Health at Montreal, Montréal, Quebec, Canada.
| | - J Savard
- Université Laval Cancer Research Center, Québec, Québec, Canada; School of Psychology, Université Laval, Québec, Québec, Canada; CHU de Québec - Université Laval Research Center, Québec, Québec, Canada
| | - K Steindorf
- Division of Physical Activity, Prevention and Cancer, German Cancer Research Center (DKFZ) and National Center for Tumor Disease (NCT), Heidelberg, Germany
| | - M G Sweegers
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Epidemiology and Biostatistics, Amsterdam Public Health research institute, Amsterdam, The Netherlands
| | - K S Courneya
- Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Canada
| | - R U Newton
- Exercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia
| | - N K Aaronson
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - P B Jacobsen
- Division of Population Science, Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - A M May
- Department of Clinical Epidemiology, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - D A Galvao
- Exercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia
| | - M J Chinapaw
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Public and Occupational Health, Amsterdam Public Health research institute, Amsterdam, The Netherlands
| | - M M Stuiver
- Department of Physiotherapy, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - K A Griffith
- School of Nursing, University of Maryland, Baltimore, USA
| | - I Mesters
- Department of Epidemiology, Maastricht University, The Netherlands
| | - H Knoop
- Amsterdam UMC, University of Amsterdam, Department of Medical Psychology, Amsterdam, The Netherlands
| | - M M Goedendorp
- Department of Health Psychology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Institute of Psychiatric and Psychosomatic Psychotherapy, Central Institute of Mental Health, Heidelberg t University, Mannheim, Germany
| | - M Bohus
- Institute of Psychiatric and Psychosomatic Psychotherapy, Central Institute of Mental Health, Heidelberg t University, Mannheim, Germany; Faculty of Health, University of Antwerp, Belgium
| | - L Thorsen
- National Advisory Unit on Late Effects after Cancer, Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - M E Schmidt
- Division of Physical Activity, Prevention and Cancer, German Cancer Research Center (DKFZ) and National Center for Tumor Disease (NCT), Heidelberg, Germany
| | - C M Ulrich
- Huntsman Cancer Institute and University of Utah, Department of Population Health Sciences, Salt Lake City, USA
| | - G S Sonke
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, The Netherlands; Division of Population Science, Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - W van Harten
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, The Netherlands; Huntsman Cancer Institute and University of Utah, Department of Population Health Sciences, Salt Lake City, USA
| | | | - M J Velthuis
- Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, The Netherlands
| | - D R Taaffe
- Exercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia
| | - W van Mechelen
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Public and Occupational Health, Amsterdam Public Health research institute, Amsterdam, The Netherlands
| | - M J Kersten
- Amsterdam UMC, University of Amsterdam, Department of Hematology, Amsterdam, The Netherlands
| | - F Nollet
- Amsterdam UMC, University of Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - J Wenzel
- Johns Hopkins School of Nursing, Johns Hopkins School of Medicine, Sidney Kimmel Comprehensive Cancer Center, Baltimore, USA
| | - J Wiskemann
- Division of Medical Oncology, National Center for Tumor Diseases (NCT) and Heidelberg University Hospital, Heidelberg, Germany
| | - I M Verdonck-de Leeuw
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Otolaryngology-Head and Neck Surgery, The Netherlands; Department of Clinical Psychology, Vrije Universiteit Amsterdam, The Netherlands
| | - J Brug
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Epidemiology and Biostatistics, Amsterdam Public Health research institute, Amsterdam, The Netherlands; National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - L M Buffart
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Epidemiology and Biostatistics, Amsterdam Public Health research institute, Amsterdam, The Netherlands; Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam, The Netherlands
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10
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Rauff EL, Downs DS. A Prospective Examination of Physical Activity Predictors in Pregnant Women with Normal Weight and Overweight/Obesity. Womens Health Issues 2018; 28:502-508. [PMID: 30337214 DOI: 10.1016/j.whi.2018.09.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 09/11/2018] [Accepted: 09/12/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Scant research has examined the relationship between exercise behavior and weight status in pregnant women. METHODS A prospective study was conducted in which pregnant women (N = 332) completed self-report measures at each trimester. Repeated measures multivariate analysis of covariance (controlling for race, education, and parity) examined changes in the motivational determinants of exercise over time and by weight status. Regression analyses were conducted to understand how the motivational determinants predicted exercise behavior and to examine the impact of prepregnancy weight status. RESULTS A significant main effect for time was observed, with an increase in early pregnancy followed by a decrease in late pregnancy for the motivational determinants of exercise and exercise behavior. A significant main effect for weight status was observed such that normal weight pregnant women had significantly greater attitude and intention for exercise when compared with pregnant women with overweight/obesity. The primary predictors of intention were perceived behavioral control (first to second trimester) and attitude (second to third trimester). The primary predictor of exercise behavior was intention. Prepregnancy weight status provided no unique contributions. CONCLUSIONS Findings from this study suggest that interventions designed to promote exercise in pregnancy should consider targeting perceived behavioral control in early pregnancy and attitude in later pregnancy. Improving exercise attitude in women with overweight or obesity may further strengthen their motivation to be active in pregnancy. Customized interventions may need to be designed to address the unique needs of women because their motivational determinants change over the course of pregnancy.
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Affiliation(s)
- Erica L Rauff
- Kinesiology Department, Seattle University, Seattle, Washington
| | - Danielle Symons Downs
- Department of Kinesiology, Pennsylvania State University, University Park, Pennsylvania.
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11
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Taylor TR, Barrow J, Makambi K, Sheppard V, Wallington SF, Martin C, Greene D, Yeruva SLH, Horton S. A Restorative Yoga Intervention for African-American Breast Cancer Survivors: a Pilot Study. J Racial Ethn Health Disparities 2018; 5:62-72. [PMID: 28411330 DOI: 10.1007/s40615-017-0342-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 01/09/2017] [Accepted: 01/15/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Data show that yoga is effective for improving health-related outcomes in breast cancer survivors. While breast cancer is the most commonly diagnosed cancer among African-American women (AAW), AAW are less likely to engage in yoga compared to other ethnic groups. The goals of the current study were to assess the feasibility of an 8-week restorative yoga program among African-American breast cancer survivors (AA BCS). Specifically, study aims were to (1) measure changes in study outcomes in a restorative yoga (RY) group compared to a wait list control group, (2) assess adherence to the RY program, and (3) assess program satisfaction among study participants. METHODS Thirty-three AA BCS were randomly assigned to either the RY intervention (n = 18) or wait list control group (n = 15). RY classes met once per week for 8 weeks. Pre- and post-testing assessments were measured at 0 and 8 weeks (immediately post-intervention). RESULTS Depression scores at follow-up were significantly lower in the yoga group (M = 4.78, SD = 3.56) compared to the control group (M = 6.91, SD = 5.86). No significant group differences were observed for sleep quality, fatigue, or perceived stress. Yoga program participants completing baseline assessments demonstrated 61% adherence to the yoga classes. Average rating of the yoga program was "very useful." Recommendations for future yoga programs were provided. CONCLUSIONS This study suggests that yoga has a beneficial effect on depression in AA BCS. There is, however, a need to further explore the benefits of yoga among minority breast cancer survivors using a study with larger sample sizes.
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Affiliation(s)
| | - Judith Barrow
- Community Outreach Associates, P.O. Box 9379, Washington, DC, 20005, USA
| | - Kepher Makambi
- Department of Biostatistics, Bioinformatics, and Biomathematics, Georgetown University, Washington, DC, USA
| | - Vanessa Sheppard
- Georgetown-Lombardi Comprehensive Cancer Center, Research Building, E501, 3970 Reservoir Road, NW, Washington, DC, 20057, USA
| | - Sherrie Flynt Wallington
- Georgetown-Lombardi Comprehensive Cancer Center, Research Building, E501, 3970 Reservoir Road, NW, Washington, DC, 20057, USA
| | - Chloe Martin
- Department of Psychology, Howard University, Washington, DC, USA
| | - Danyella Greene
- Department of Psychology, Howard University, Washington, DC, USA
| | | | - Sara Horton
- College of Medicine, Howard University, Washington, DC, USA
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12
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Ormel HL, van der Schoot GGF, Sluiter WJ, Jalving M, Gietema JA, Walenkamp AME. Predictors of adherence to exercise interventions during and after cancer treatment: A systematic review. Psychooncology 2018; 27:713-724. [PMID: 29247584 PMCID: PMC5887924 DOI: 10.1002/pon.4612] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 10/25/2017] [Accepted: 12/05/2017] [Indexed: 11/18/2022]
Abstract
Objective Exercise interventions benefit cancer patients. However, only low numbers of patients adhere to these interventions. This review aimed to identify predictors of exercise intervention adherence in patients with cancer, during and after multimodality cancer treatment. Methods A literature search was performed using electronic databases (PubMed, Embase, and Cochrane) to identify relevant papers published before February 1, 2017. Papers reporting randomized controlled trials, conducted in adult cancer patients who participated in an exercise intervention during and/or after multimodality cancer treatment, and providing outcome of factors predicting exercise adherence were included. Papers were assessed for methodological quality by using the Physiotherapy Evidence Database scale. Results The search identified 720 potentially relevant papers, of which 15 fulfilled the eligibility criteria. In these 15 studies, 2279 patients were included and 1383 of these patients were randomized to an exercise intervention. During cancer treatment, the factors predicting exercise adherence were as follows: location of the rehabilitation center, extensive exercise history, high motivation for exercise, and fewer exercise limitations. After cancer treatment, factors that predicted adherence were as follows: less extensive surgery, low alcohol consumption, high previous exercise adherence, family support, feedback by trainers, and knowledge and skills of exercise. Methodological quality of the included papers was rated “high”. Conclusions The most prominent predictors of adherence to exercise interventions were location of the rehabilitation center, extensive exercise history, high motivation for exercise, and fewer exercise limitations. To increase the number of cancer patients who will benefit, these results should be considered into the development and implementation of future exercise interventions.
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Affiliation(s)
- H L Ormel
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - G G F van der Schoot
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - W J Sluiter
- Department of Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - M Jalving
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - J A Gietema
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - A M E Walenkamp
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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13
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Mercier J, Savard J, Bernard P. Exercise interventions to improve sleep in cancer patients: A systematic review and meta-analysis. Sleep Med Rev 2017; 36:43-56. [DOI: 10.1016/j.smrv.2016.11.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 10/28/2016] [Accepted: 11/01/2016] [Indexed: 12/26/2022]
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14
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Brandenbarg D, Korsten JHWM, Berger MY, Berendsen AJ. The effect of physical activity on fatigue among survivors of colorectal cancer: a systematic review and meta-analysis. Support Care Cancer 2017; 26:393-403. [PMID: 29058127 PMCID: PMC5752739 DOI: 10.1007/s00520-017-3920-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 10/02/2017] [Indexed: 12/24/2022]
Abstract
PURPOSE Favorable health outcomes among cancer survivors are increasingly being attributed to lifestyle factors like physical activity, which is now promoted in clinical guidelines. However, the available evidence indicates that physical activity may also reduce fatigue in this patient group. In this systematic review, we aimed to examine whether physical activity could reduce fatigue among survivors of colorectal cancer. METHODS The databases of Medline, CINAHL, and PsycINFO were systematically searched, using combinations of MeSH and free-text terms for colorectal cancer, physical activity, and fatigue. Randomized controlled trials and cohort studies with longitudinal data collection were included. We performed a random-effect meta-analysis. RESULTS Seven studies were included, five were randomized controlled trials, and two were cohort studies. A meta-analysis of the randomized controlled trials, which comprised 630 survivors in total, failed to show that physical activity had a significant effect on fatigue (standardized mean difference = 0.21 (- 0.07 to 0.49)); however, reduced levels of fatigue were observed in all studies. The results for the cohort studies were inconclusive: one showed that increasing levels of physical activity were significantly associated with decreasing levels of fatigue; the other showed that decreasing levels of fatigue were not associated with increasing levels of physical activity. CONCLUSIONS Based on the data reviewed, we cannot draw definitive conclusions about the effects of physical activity on fatigue. None of the included studies were performed among fatigued survivors of colorectal cancer. More research is needed in this population, ensuring that the trials are appropriately powered to find differences in fatigue.
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Affiliation(s)
- D Brandenbarg
- Department of General Practice, University of Groningen, University Medical Center Groningen, P.O. Box 196, 9700 AD, Groningen, The Netherlands.
| | - J H W M Korsten
- Department of General Practice, University of Groningen, University Medical Center Groningen, P.O. Box 196, 9700 AD, Groningen, The Netherlands
| | - M Y Berger
- Department of General Practice, University of Groningen, University Medical Center Groningen, P.O. Box 196, 9700 AD, Groningen, The Netherlands
| | - A J Berendsen
- Department of General Practice, University of Groningen, University Medical Center Groningen, P.O. Box 196, 9700 AD, Groningen, The Netherlands
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15
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Morielli AR, Boulé NG, Usmani N, Joseph K, Tankel K, Severin D, Courneya KS. Predictors of adherence to aerobic exercise in rectal cancer patients during and after neoadjuvant chemoradiotherapy. PSYCHOL HEALTH MED 2017. [PMID: 28635312 DOI: 10.1080/13548506.2017.1344356] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This pilot study explored predictors of adherence to exercise during and after neoadjuvant chemoradiotherapy (NACRT) in rectal cancer patients. Eighteen rectal cancer patients were prescribed three supervised aerobic exercise sessions/week during NACRT followed by ≥150 min/week of unsupervised aerobic exercise after NACRT. Although not statistically significant, adherence to supervised exercise during NACRT was meaningfully better for patients who were women (d = .82; P = .12), younger (d = -.62; P = .30), married (d = .62; P = .42), with better mental health (r = .32; P = .21), fewer diarrhea symptoms (r = .48; P = .052), and higher anticipated enjoyment (r = .31; P = .23), support (r = .32; P = .22), and motivation (r = .31; P = .23). After NACRT, adherence was significantly better for patients who reported worse mental health (r = -.56; P = .046) and meaningfully better for patients who were women (d = .54; P = .38), better educated (d = .77; P = .22), had no comorbidities (d = -.63; P = .17), and exercised at baseline (d = 1.05; P = .12). Demographics, tumor side effects, and motivational variables may predict adherence to exercise during and after NACRT.
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Affiliation(s)
- Andria R Morielli
- a Faculty of Physical Education and Recreation , University of Alberta , Edmonton , Canada
| | - Normand G Boulé
- a Faculty of Physical Education and Recreation , University of Alberta , Edmonton , Canada
| | - Nawaid Usmani
- b Department of Oncology , University of Alberta, Cross Cancer Institute , Edmonton , Canada
| | - Kurian Joseph
- b Department of Oncology , University of Alberta, Cross Cancer Institute , Edmonton , Canada
| | - Keith Tankel
- b Department of Oncology , University of Alberta, Cross Cancer Institute , Edmonton , Canada
| | - Diane Severin
- b Department of Oncology , University of Alberta, Cross Cancer Institute , Edmonton , Canada
| | - Kerry S Courneya
- a Faculty of Physical Education and Recreation , University of Alberta , Edmonton , Canada
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16
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Contamination by an Active Control Condition in a Randomized Exercise Trial. PLoS One 2016; 11:e0164246. [PMID: 27723781 PMCID: PMC5056678 DOI: 10.1371/journal.pone.0164246] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 09/19/2016] [Indexed: 11/29/2022] Open
Abstract
Contamination is commonly overlooked in randomized trials. The present study examined contamination (minutes of aerobic activity outside of exercise sessions) within an active control condition in a 6-month randomized exercise trial for older adults. We hypothesized that outside aerobic activity would be greater in the control condition compared to the intervention conditions. Participants (mean age = 65.06 years, 66.2% female) were randomly assigned to: Dance (n = 50), Walking, (n = 108), or Strength/Stretching/Stability (SSS; n = 48). Dance and Walking represented the experimental conditions and SSS the control condition. Participants attended exercise sessions three times weekly for 24 weeks. Participants recorded their physical activity outside of class on a weekly home log. Group assignment and covariates (age, gender, body mass index, exercise session intensity and enjoyment, and program adherence) were examined as predictors of weekly aerobic activity outside of exercise sessions. Participants who returned zero home logs were removed from the dataset (final N = 195). Out-of-class aerobic activity was lowest in the Walking group. Significant effects of gender, group, enjoyment, and intensity on out-of-class weekly aerobic activity were observed, all p<0.003. Higher perceived enjoyment of exercise sessions was associated with more out-of-class aerobic activity, while higher perceived intensity was associated with less out-of-class aerobic activity. A group x intensity interaction, p = 0.002, indicated that group differences in out-of-class aerobic activity were evident only among those with lower intensity perceptions. Walkers may have perceived exercise sessions as sufficient weekly exercise, while the Dance and SSS groups may have perceived the sessions as necessary, but insufficient. The lower aerobic intensity Dancers attributed to exercise sessions and non-aerobic nature of SSS may partially explain contamination observed in this study. Further examination of contamination in randomized controlled exercise trials is critically needed.
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17
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Hubbard G, O'Carroll R, Munro J, Mutrie N, Haw S, Mason H, Treweek S. The feasibility and acceptability of trial procedures for a pragmatic randomised controlled trial of a structured physical activity intervention for people diagnosed with colorectal cancer: findings from a pilot trial of cardiac rehabilitation versus usual care (no rehabilitation) with an embedded qualitative study. Pilot Feasibility Stud 2016; 2:51. [PMID: 27965868 PMCID: PMC5153896 DOI: 10.1186/s40814-016-0090-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 07/29/2016] [Indexed: 12/11/2022] Open
Abstract
Background Pilot and feasibility work is conducted to evaluate the operational feasibility and acceptability of the intervention itself and the feasibility and acceptability of a trials’ protocol design. The Cardiac Rehabilitation In Bowel cancer (CRIB) study was a pilot randomised controlled trial (RCT) of cardiac rehabilitation versus usual care (no rehabilitation) for post-surgical colorectal cancer patients. A key aim of the pilot trial was to test the feasibility and acceptability of the protocol design. Methods A pilot RCT with embedded qualitative work was conducted in three sites. Participants were randomly allocated to cardiac rehabilitation or usual care groups. Outcomes used to assess the feasibility and acceptability of key trial parameters were screening, eligibility, consent, randomisation, adverse events, retention, completion, missing data, and intervention adherence rates. Colorectal patients’ and clinicians’ perceptions and experiences of the main trial procedures were explored by interview. Results Quantitative study. Three sites were involved. Screening, eligibility, consent, and retention rates were 79 % (156/198), 67 % (133/198), 31 % (41/133), and 93 % (38/41), respectively. Questionnaire completion rates were 97.5 % (40/41), 75 % (31/41), and 61 % (25/41) at baseline, follow-up 1, and follow-up 2, respectively. Sixty-nine percent (40) of accelerometer datasets were collected from participants; 31 % (20) were removed for not meeting wear-time validation. Qualitative study: Thirty-eight patients and eight clinicians participated. Key themes were benefits for people with colorectal cancer attending cardiac rehabilitation, barriers for people with colorectal cancer attending cardiac rehabilitation, generic versus disease-specific rehabilitation, key concerns about including people with cancer in cardiac rehabilitation, and barriers to involvement in a study about cardiac rehabilitation. Conclusions The study highlights where threats to internal and external validity are likely to arise in any future studies of similar structured physical activity interventions for colorectal cancer patients using similar methods being conducted in similar contexts. This study shows that there is likely to be potential recruitment bias and potential imprecision due to sub-optimal completion of outcome measures, missing data, and sub-optimal intervention adherence. Hence, strategies to manage these risks should be developed to stack the odds in favour of conducting successful future trials. Trial registration ISRCTN63510637
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Affiliation(s)
- Gill Hubbard
- School of Health Sciences, University of Stirling, Highland Campus, Old Perth Road, Inverness, IV2 3JH UK
| | - Ronan O'Carroll
- Department of Psychology, University of Stirling, Stirling, FK9 4LA UK
| | - Julie Munro
- Centre for Health Science, School of Health Science, University of Stirling, Highland Campus, Old Perth Road, Inverness, IV2 3JH UK
| | - Nanette Mutrie
- Moray House School of Education, Institute for Sport, Physical Education and Health Sciences, University of Edinburgh, Edinburgh, EH8 8AQ UK
| | - Sally Haw
- School of Health Science, University of Stirling, Stirling, FK9 4LA UK
| | - Helen Mason
- Helen Mason, Yunus Centre in Social Business and Health, Glasgow Caledonian University, Glasgow, G4 0BA UK
| | - Shaun Treweek
- Shaun Treweek, Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD UK
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18
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Kagee A, van der Merwe M. Predicting Treatment Adherence among Patients Attending Primary Health Care Clinics: The Utility of the Theory of Planned Behaviour. SOUTH AFRICAN JOURNAL OF PSYCHOLOGY 2016. [DOI: 10.1177/008124630603600404] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Treatment regimens for conditions such as hypertension and Type II diabetes require strict adherence to medical instructions. Yet, adherence among patients living with chronic medical conditions attending public health clinics is typically low. The present study sought to determine the extent to which the Theory of Planned Behaviour (TPB) was able to significantly explain variance in adherence intentions and behaviour in a sample of 117 formerly disadvantaged South Africans living with diabetes and hypertension in the Western Cape. The results showed that the linear combination of TPB variables — Attitudes, Perceived behavioural control, and Subjective norms — was able to account for 47 per cent of the variance in adherence intentions and 23 per cent of the variance in self-reported adherence behaviour. The addition of the variables Psychological distress and Social support to the two regression models, hypothesised to add predictive power to the TPB, yielded non-significant results. The findings of the study are discussed in the context of applying theoretical models of behaviour developed in the industrially developed world and tested on middle-class subjects to patient samples in developing countries such as South Africa. Our findings suggest that social cognitive models of health behaviour such as the TPB may be useful in predicting treatment adherence but should be used in a critical and cautious manner.
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Affiliation(s)
- Ashraf Kagee
- Department of Psychology, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa
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19
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Duijts S, Bleiker E, Paalman C, van der Beek A. A behavioural approach in the development of work-related interventions for cancer survivors: an exploratory review. Eur J Cancer Care (Engl) 2016; 26. [DOI: 10.1111/ecc.12545] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2016] [Indexed: 02/02/2023]
Affiliation(s)
- S.F.A. Duijts
- Department of Public and Occupational Health; EMGO+ Institute for Health and Care Research; VU University Medical Center; Amsterdam The Netherlands
- Department of Psychosocial Research and Epidemiology; The Netherlands Cancer Institute; Amsterdam The Netherlands
| | - E.M.A. Bleiker
- Department of Psychosocial Research and Epidemiology; The Netherlands Cancer Institute; Amsterdam The Netherlands
| | - C.H. Paalman
- Department of Psychosocial Research and Epidemiology; The Netherlands Cancer Institute; Amsterdam The Netherlands
| | - A.J. van der Beek
- Department of Public and Occupational Health; EMGO+ Institute for Health and Care Research; VU University Medical Center; Amsterdam The Netherlands
- Research Center for Insurance Medicine AMC-UMCG-UWV-VUmc; Amsterdam The Netherlands
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20
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Kuehl R, Schmidt ME, Dreger P, Steindorf K, Bohus M, Wiskemann J. Determinants of exercise adherence and contamination in a randomized controlled trial in cancer patients during and after allogeneic HCT. Support Care Cancer 2016; 24:4327-37. [PMID: 27189616 DOI: 10.1007/s00520-016-3271-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Accepted: 05/05/2016] [Indexed: 01/15/2023]
Abstract
BACKGROUND Evidence from randomized controlled trials is growing that exercise interventions are beneficial in cancer patients receiving allogeneic stem cell transplantation (allo-HCT). However, information about adherence to exercise interventions and exercise contamination in control groups is lacking. This information is crucial for the interpretation of study results. We therefore examined the determinants of exercise adherence and contamination in different treatment periods during (inpatient) and after (outpatient) allo-HCT. METHODS One hundred fifty-three patients scheduled for allo-HCT were randomized to a 1-year partly supervised exercise intervention (endurance and resistance exercise) or to a control group. Adherence was assessed via exercise logs and contamination via questionnaires. RESULTS Adherence varied between 66 % (inpatient) and 78 % (outpatient) in different treatment periods. During (inpatient) transplantation period, higher adherence was significantly associated with lower fatigue (P = 0.004) and with having children at home (P = 0.049). Adherence after discharge was positively associated with endurance performance (P = 0.003); higher adherence after day 100 was associated with exercise activity prior allo-HCT (P = 0.010) and higher adherence after discharge (P = 0.001). Contamination among controls was high with 54 % and significantly associated with muscle strength (P = 0.025) and fatigue (P = 0.050). CONCLUSION Exercise adherence in different treatment periods was determined by different variables, and contamination among controls was evident. These findings may have important implications for correct interpretation of randomized exercise intervention trials.
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Affiliation(s)
- Rea Kuehl
- Department of Medical Oncology, National Center for Tumor Diseases (NCT) and Heidelberg University Hospital, Im Neuenheimer Feld 460, 69120, Heidelberg, Germany.,Department of Preventive Oncology, National Center for Tumor Diseases (NCT) and German Cancer Research Center, Im Neuenheimer Feld 460, 69120, Heidelberg, Germany
| | - Martina E Schmidt
- Department of Preventive Oncology, National Center for Tumor Diseases (NCT) and German Cancer Research Center, Im Neuenheimer Feld 460, 69120, Heidelberg, Germany
| | - Peter Dreger
- Department of Medicine V, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
| | - Karen Steindorf
- Department of Preventive Oncology, National Center for Tumor Diseases (NCT) and German Cancer Research Center, Im Neuenheimer Feld 460, 69120, Heidelberg, Germany
| | - Martin Bohus
- Department of Psychiatric and Psychosomatics Psychotherapy, Central Institute of Mental Health, J5, 68159, Mannheim, Germany.,Faculty of Health, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Joachim Wiskemann
- Department of Medical Oncology, National Center for Tumor Diseases (NCT) and Heidelberg University Hospital, Im Neuenheimer Feld 460, 69120, Heidelberg, Germany. .,Department of Preventive Oncology, National Center for Tumor Diseases (NCT) and German Cancer Research Center, Im Neuenheimer Feld 460, 69120, Heidelberg, Germany.
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Effects of a lifestyle intervention on endothelial function in men on long-term androgen deprivation therapy for prostate cancer. Br J Cancer 2016; 114:401-8. [PMID: 26766737 PMCID: PMC4815775 DOI: 10.1038/bjc.2015.479] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 12/03/2015] [Accepted: 12/08/2015] [Indexed: 01/22/2023] Open
Abstract
Background: Treatment of prostate cancer with androgen deprivation therapy (ADT) is associated with metabolic changes that have been linked to an increase in cardiovascular risk. Methods: This randomised controlled trial investigated the effects of a 12-week lifestyle intervention that included supervised exercise training and dietary advice on markers of cardiovascular risk in 50 men on long-term ADT recruited to an on-going study investigating the effects of such a lifestyle intervention on quality of life. Participants were randomly allocated to receive the intervention or usual care. Cardiovascular outcomes included endothelial function (flow-mediated dilatation (FMD) of the brachial artery), blood pressure, body composition and serum lipids. Additional outcomes included treadmill walk time and exercise and dietary behaviours. Outcomes were assessed before randomisation (baseline), and 6, 12 and 24 weeks after randomisation. Results: At 12 weeks, the difference in mean relative FMD was 2.2% (95% confidence interval (CI) 0.1–4.3, P=0.04) with an effect size of 0.60 (95% CI <0.01–1.18) favouring the intervention group. Improvements in skeletal muscle mass, treadmill walk time and exercise behaviour also occurred in the intervention group over that duration (P<0.05). At 24 weeks, only the difference in treadmill walk time was maintained. Conclusions: This study demonstrates that lifestyle changes can improve endothelial function in men on long-term ADT for prostate cancer. The implications for cardiovascular health need further investigation in larger studies over longer duration.
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Bernard P, Ninot G, Bernard PL, Picot MC, Jaussent A, Tallon G, Blain H. Effects of a six-month walking intervention on depression in inactive post-menopausal women: a randomized controlled trial. Aging Ment Health 2015; 19:485-92. [PMID: 25133492 DOI: 10.1080/13607863.2014.948806] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVES Physical inactivity and advanced age are associated with risk of depressive disorders. Physical activity can reduce depressive symptoms in older subjects with depressive disorders. We investigated whether a walking intervention program may decrease the occurrence of depressive symptoms in inactive post-menopausal women without depression. METHOD A total of 121 participants aged 57-75 years were randomly assigned to a six-month moderate intensity walking intervention (three times a week, 40 minutes per session, supervised and home-based) or to a control group (waiting list). Inactivity was assessed using the Physical Activity Questionnaire for the Elderly. Depression levels were measured pre- and post-intervention with the Beck depression inventory (BDI). Several baseline measures were considered as possible predictors of post-intervention BDI score. RESULTS Participants in the walking intervention showed a significant decrease in depression as compared with controls. Baseline cognitive-BDI subscore, subjective health status, body mass index and adherence were post-intervention BDI score predictors. CONCLUSION A six-month, three-session per week, moderate intensity walking intervention with a minimal 50% adherence rate reduces depression in post-menopausal women at risk for depression due to physical inactivity. This type of walking intervention could be considered as a widely accessible prevention strategy to prevent depressive symptoms in post-menopausal women at risk of depression.
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Affiliation(s)
- P Bernard
- a Laboratory EA4556 Epsylon , Montpellier 1 University , Montpellier , France
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23
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Conlon BA, Kahan M, Martinez M, Isaac K, Rossi A, Skyhart R, Wylie-Rosett J, Moadel-Robblee A. Development and Evaluation of the Curriculum for BOLD (Bronx Oncology Living Daily) Healthy Living: a Diabetes Prevention and Control Program for Underserved Cancer Survivors. JOURNAL OF CANCER EDUCATION : THE OFFICIAL JOURNAL OF THE AMERICAN ASSOCIATION FOR CANCER EDUCATION 2015; 30:535-545. [PMID: 25394834 PMCID: PMC4433444 DOI: 10.1007/s13187-014-0750-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Underserved minority communities have few resources for addressing comorbidity risk reduction among long-term cancer survivors. To address this community need, we developed and piloted the Bronx Oncology Living Daily (BOLD) Healthy Living program, the first known diabetes prevention and control program to target cancer survivors and co-survivors in Bronx County, NY. The program aimed to facilitate lifestyle change and improve health-related quality of life (HRQoL) through weekly group nutrition education (60-90 min) and exercise (60 min) classes. We examined baseline characteristics of participants using simple descriptive statistics and evaluated program implementation and impact using the Reach, Efficacy, Adoption, Implementation and Maintenance (RE-AIM) framework. The curriculum, which drew from the social-ecological framework and motivational and cognitive behavioral strategies, consisted of 12 culturally and medically tailored modules with options for implementation as a 12- or 4-week program. Seven programs (four 12 weeks and three 4 weeks in length, respectively) were implemented at five community site locations. Sixty-six cancer survivors and 17 cancer co-survivors (mean age 60.5 ± 10.2 years) enrolled in one of the programs. Most participants were female (95.2 %) minority (55.4 % black, 26.5 % Hispanic/Latino) breast cancer survivors (75.7 %). Median program attendance was 62.5 % and did not significantly differ by program length; however, 67.3 % of participants achieved ≥60 % attendance among the 12-week programs, compared to 41.9 % among the 4-week programs, and this difference was statistically significant (p = 0.02). Overall, participants reported significant pre/post improvements in perceived health as good/excellent (66.0 to 75.5 %; p = 0.001) and borderline significant decreases in perceived pain as moderate/severe (45.5 to 38.2 %; p = 0.05). More than 90 % of participants reported that the program helped them to achieve their short-term goals, motivated them to engage in healthier behaviors, and felt that the nutrition and exercise classes were relevant to their needs. These results indicate that a short-term lifestyle intervention program for adult cancer survivors was acceptable in our community and motivated cancer survivors to improve their HRQoL. The curriculum can be used as a tool to facilitate development of similar programs in the future.
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Affiliation(s)
- Beth A Conlon
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY, 10461, USA,
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Comparison of the effects of a supervised exercise program and usual care in patients with colorectal cancer undergoing chemotherapy. Cancer Nurs 2015; 37:E21-9. [PMID: 23357886 DOI: 10.1097/ncc.0b013e3182791097] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Although exercise has been addressed as a promising therapy for cancer adverse effects, few studies have evaluated the beneficial effects of exercise for colorectal cancer (CRC) patients during chemotherapy. OBJECTIVE The purpose of this study was to compare the effects of supervised-exercise intervention with those of usual care on cardiorespiratory fitness, muscle strength, fatigue, emotional distress, sleep quality, and quality of life (QoL) in patients with CRC undergoing chemotherapy. METHODS Patients with stage II or III CRC admitted for adjuvant chemotherapy were allocated to either a supervised-exercise group that received a combined aerobic and resistance exercise program or a "usual care" control group for 12 weeks. The outcomes, QoL, muscle strength, cardiorespiratory fitness, emotional distress, physical activity, fatigue, and sleep quality, were assessed at baseline and after intervention. RESULTS Significant interactions between intervention and time were observed for the role functioning and pain subscales of QoL and physical activity level. The time main effects were significant for the secondary outcomes: hand-grip strength, cardiorespiratory fitness, physical activity level, and physical functioning, role functioning, social functioning, fatigue, and pain subscales of QoL. CONCLUSION Compared with usual care, the supervised exercise demonstrated larger effects than usual care on physical activity level and role functioning and pain subscales of QoL. IMPLICATIONS FOR PRACTICE Supervised-exercise program is suggested to be incorporated as part of supportive care to promote the cardiorespiratory fitness, muscle strength, physical activity level, and QoL of patients with CRC undergoing chemotherapy.
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Park JH, Lee J, Oh M, Park H, Chae J, Kim DI, Lee MK, Yoon YJ, Lee CW, Park S, Jones LW, Kim NK, Kim SI, Jeon JY. The effect of oncologists' exercise recommendations on the level of exercise and quality of life in survivors of breast and colorectal cancer: A randomized controlled trial. Cancer 2015; 121:2740-8. [PMID: 25965782 DOI: 10.1002/cncr.29400] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 02/24/2015] [Accepted: 02/24/2015] [Indexed: 12/12/2022]
Abstract
BACKGROUND The purpose of the current study was to examine the effect of an oncologist's exercise recommendation with and without an exercise motivation package on the amount of exercise participation and quality of life (QOL) in survivors of breast and colorectal cancer. METHODS A total of 162 survivors of early-stage breast and colorectal cancer who completed primary and adjuvant treatments were recruited for the current study. Participants were randomly assigned into 1 of 3 groups: 1) control (59 patients); 2) those receiving an oncologist's exercise recommendation (53 patients); and 3) those receiving an oncologist's exercise recommendation with an exercise motivation package (50 patients). At baseline and after 4 weeks, the level of exercise participation and QOL were assessed. RESULTS Of the 162 participants, 130 (80.2%) completed the trial. Intention-to-treat analysis indicated that participants who received an oncologist's exercise recommendation with an exercise motivation package significantly increased their level of exercise participation in terms of minutes (47.57 added minutes per week; 95% confidence interval, 9.62-85.52 minutes [P =.022] vs control) and in Metabolic Equivalent of Task (MET)-hours per week (4.14 additional MET-hours per week; 95% confidence interval, 1.70-6.58 MET-hours [P =.004] vs control) compared with the control group. Participants who received only their oncologist's exercise recommendation did not increase their exercise participation level. Further analysis demonstrated that role functioning was significantly improved among participants who received an oncologist's exercise recommendation with an exercise motivation package. CONCLUSIONS Providing an exercise motivation package in addition to the oncologist's exercise recommendation to increase the level of exercise among survivors of breast and colorectal cancer should be considered.
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Affiliation(s)
- Ji-Hye Park
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Junga Lee
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Minsuk Oh
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Hyuna Park
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Jisuk Chae
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Dong-Il Kim
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Mi Kyung Lee
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Yong Jin Yoon
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Chul Won Lee
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Seho Park
- Department of Surgery, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Lee W Jones
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nam Kyu Kim
- Department of Surgery, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Seung Il Kim
- Department of Surgery, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
| | - Justin Y Jeon
- Department of Sport and Leisure Studies, Yonsei University, Seoul, Korea.,Exercise Medicine Center for Diabetes and Cancer Patients, Yonsei University College of Medicine, Yonsei University, Seoul, Korea
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Winzer BM, Paratz JD, Whitehead JP, Whiteman DC, Reeves MM. The feasibility of an exercise intervention in males at risk of oesophageal adenocarcinoma: a randomized controlled trial. PLoS One 2015; 10:e0117922. [PMID: 25706622 PMCID: PMC4338269 DOI: 10.1371/journal.pone.0117922] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Accepted: 01/02/2015] [Indexed: 12/20/2022] Open
Abstract
Objective To investigate the feasibility and safety of a 24-week exercise intervention, compared to control, in males with Barrett’s oesophagus, and to estimate the effect of the intervention, compared to control, on risk factors associated with oesophageal adenocarcinoma development. Methods A randomized controlled trial of an exercise intervention (60 minutes moderate-intensity aerobic and resistance exercise five days/week over 24 weeks; one supervised and four unsupervised sessions) versus attention control (45 minutes stretching five days/week over 24 weeks; one supervised and four unsupervised sessions) in inactive, overweight/obese (25.0–34.9 kg/m2) males with Barrett’s oesophagus, aged 18–70 years. Primary outcomes were obesity-associated hormones relevant to oesophageal adenocarcinoma risk (circulating concentrations of leptin, adiponectin, interleukin-6, tumour necrosis factor-alpha, C-reactive protein, and insulin resistance [HOMA]). Secondary outcomes included waist circumference, body composition, fitness, strength and gastro-oesophageal reflux symptoms. Outcomes were measured at baseline and 24-weeks. Intervention effects were analysed using generalised linear models, adjusting for baseline value. Results Recruitment was difficult in this population with a total of 33 participants recruited (target sample size: n = 80); 97% retention at 24-weeks. Adherence to the exercise protocol was moderate. No serious adverse events were reported. A statistically significant intervention effect (exercise minus control) was observed for waist circumference (-4.5 [95% CI -7.5, -1.4] cm; p < 0.01). Effects on primary outcomes were not statistically significant. Conclusion This small, exploratory trial provides important information to inform future trial development including recruitment rates and estimates of effect sizes on outcomes related to oesophageal adenocarcinoma risk. Future trials should investigate a combined dietary and exercise intervention to achieve greater weight loss in this population and relax inclusion criteria to maximize recruitment. Trial Registration Australian New Zealand Clinical Trials Registry (ANZCTR) ACTRN12609000401257
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Affiliation(s)
- Brooke M. Winzer
- Burns, Trauma and Critical Care Research Centre, School of Medicine, The University of Queensland, Brisbane, Australia
| | - Jennifer D. Paratz
- Burns, Trauma and Critical Care Research Centre, School of Medicine, The University of Queensland, Brisbane, Australia
| | - Jonathan P. Whitehead
- Metabolic Medicine Group, Mater Research Institute University of Queensland, Brisbane, Australia
| | - David C. Whiteman
- Cancer Control Group, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Marina M. Reeves
- Cancer Prevention Research Centre, School of Public Health, The University of Queensland, Brisbane, Australia
- * E-mail:
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Huang HP, Wen FH, Tsai JC, Lin YC, Shun SC, Chang HK, Wang JS, Jane SW, Chen MC, Chen ML. Adherence to prescribed exercise time and intensity declines as the exercise program proceeds: findings from women under treatment for breast cancer. Support Care Cancer 2014; 23:2061-71. [PMID: 25527243 DOI: 10.1007/s00520-014-2567-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 12/07/2014] [Indexed: 11/29/2022]
Abstract
PURPOSE Adherence to prescribed exercise is a challenge for cancer patients undergoing treatment. The changing pattern of exercise adherence over time cannot be fully understood by an overall measure of adherence. This study was aimed to identify the trajectory of exercise adherence and its predictors for women with breast cancer during their chemotherapy. METHODS Participants were 78 women with breast cancer assigned to the exercise arm of a randomized control trial. Based on the weekly adherence rates in time and intensity, patients were classified as good (>100%), acceptable (80-100%), and poor (<80%) adherents. Data were analyzed using ordinal logistic hierarchical linear modeling. RESULTS The trajectories for both time and intensity adherence declined significantly. The decline in exercise-time adherence was significantly slower in women who reported higher interest in exercise. Women with higher perceived importance of exercise, early disease stage, and employed were more likely to be classified as good intensity adherents. Poorer weekly adherence for both exercise time and intensity was associated with higher fatigue level for that week. CONCLUSIONS Adherence to exercise adherence in breast cancer patients declined as the dose of exercise prescription increased. Factors influencing overall adherence and adherence trend were identified.
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Affiliation(s)
- Hsiang-Ping Huang
- Department of Nursing, Chang Gung University of Science and Technology, Tao-Yuan, Taiwan
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28
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Abstract
UNLABELLED There has been an increase in the cancer survivor population in the United States over the past several decades primarily due to improvements in early detection of first malignancies and effective treatment modalities. A wealth of evidence has demonstrated that regular physical activity is associated with a lower risk of death, all-cause mortality, cancer recurrence, and several chronic diseases, including type 2 diabetes and cardiovascular disease, common comorbid conditions in people who have survived cancer. Physical activity also is a central component of weight management. METHODS This review summarizes the current physical activity recommendations and the evidence linking physical activity to improvements in weight management, physiological effects, and psychological health outcomes for cancer survivors. RESULTS The available literature suggests physical activity is safe and is positively associated with weight management, cardiorespiratory fitness, muscular strength and endurance, quality of life, fatigue, and other psychosocial factors in cancer survivors. Yet relationships related to specific cancer diagnoses, treatments, and underlying cardiometabolic mechanisms associated with survival have not been thoroughly examined in randomized controlled trials. Furthermore, factors that influence adherence to physical activity behaviors must be identified to develop effective exercise programs. The use of objective measures of physical activity and the standardization of reporting outcome measures within intervention trials are needed to complement this effort. CONCLUSIONS Healthcare providers should consider individual differences among cancer survivors and tailor physical activity programs to meet the individual needs of the patient to assist in the adoption and maintenance of a physically active lifestyle.
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Affiliation(s)
- David O Garcia
- Canyon Ranch Center for Prevention and Health Promotion, Mel & Enid Zuckerman College of Public Health, Division of Health Promotion Sciences, University of Arizona, Tucson, Arizona
| | - Cynthia A Thomson
- Canyon Ranch Center for Prevention and Health Promotion, Mel & Enid Zuckerman College of Public Health, Division of Health Promotion Sciences, University of Arizona, Tucson, Arizona
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Predictors of physical activity in colorectal cancer survivors after participation in a telephone-delivered multiple health behavior change intervention. J Cancer Surviv 2014; 9:40-9. [PMID: 25103607 DOI: 10.1007/s11764-014-0389-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Accepted: 07/20/2014] [Indexed: 10/24/2022]
Abstract
PURPOSE Physical activity improves the health outcomes of colorectal cancer (CRC) survivors, yet few are exercising at levels known to yield health benefits. Baseline demographic, clinical, behavioral, and psychosocial predictors of physical activity at 12 months were investigated in CRC survivors. METHODS Participants were CRC survivors (n = 410) who completed a 12-month multiple health behavior change intervention trial (CanChange). The outcome variable was 12 month sufficient physical activity (≥150 min of moderate-vigorous physical activity/week). Baseline predictors included demographics and clinical variables, health behaviors, and psychosocial variables. RESULTS Multivariate linear regression revealed that baseline sufficient physical activity (p < 0.001), unemployment (p = 0.004), private health insurance (p = 0.040), higher cancer-specific quality of life (p = 0.031) and higher post-traumatic growth (p = 0.008) were independent predictors of sufficient physical activity at 12 months. The model explained 28.6% of the variance. CONCLUSIONS Assessment of demographics, health behaviors, and psychosocial functioning following a diagnosis of CRC may help to develop effective physical activity programs. IMPLICATIONS FOR CANCER SURVIVORS Understanding the demographic, behavioral and psychosocial determinants of physical activity may facilitate the development and delivery of effective public health interventions designed to promote long term behavior change. TRIAL REGISTRATION ACTRN12608000399392.
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30
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Kampshoff CS, Jansen F, van Mechelen W, May AM, Brug J, Chinapaw MJM, Buffart LM. Determinants of exercise adherence and maintenance among cancer survivors: a systematic review. Int J Behav Nutr Phys Act 2014; 11:80. [PMID: 24989069 PMCID: PMC4096543 DOI: 10.1186/1479-5868-11-80] [Citation(s) in RCA: 123] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Accepted: 06/11/2014] [Indexed: 12/22/2022] Open
Abstract
For an exercise intervention to be successful, it is important that cancer survivors adhere to the prescribed program. To be able to improve adherence and to preserve achieved beneficial effects, insights into the relevant and modifiable determinants is important. Therefore, we aimed to systematically review determinants of exercise adherence and maintenance in cancer survivors using a socio-ecological approach. Studies were identified in PubMed, Embase, PsycINFO and SPORTDiscus up to July 2013. We included full-text articles that: 1) were conducted among adult cancer survivors; 2) quantitatively assessed factors associated with intervention adherence and maintenance, and 3) were published in English. The methodological quality of the selected studies was examined. A best evidence synthesis was applied. Eighteen studies were included. Median methodological quality was 53% and ranged from 21-78% of maximum score. Twelve studies focused on determinants of exercise adherence and evaluated 71 potential determinants: 29 demographic and clinical, 27 psychological, ten physical, four social factors, and one environmental factor. Six studies focused on determinants of exercise maintenance after completion of an intervention, and investigated 63 factors: 22 demographic and clinical, 28 psychosocial, nine physical, three social and one environmental factor. We found moderate evidence for a positive association between exercise history and exercise adherence. Inconsistent findings were found for age, gender and education as well as for psychological factors such as stage of change, perceived behavioral control, self-efficacy, extraversion, attitude, intention, fatigue, and quality of life, and physical factors including cardiovascular fitness, body mass index, and baseline physical activity. Exercise history is positively associated with exercise adherence. Future trials should further study the influence of social and environmental determinants on exercise adherence and maintenance in addition to demographic, psychological and physical determinants.
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Affiliation(s)
| | | | | | | | | | | | - Laurien M Buffart
- Department of Epidemiology and Biostatistics and the EMGO+ Institute for Health and Care Research, VU University Medical Center, Van der Boechorststraat 7, 1081 Amsterdam, The Netherlands.
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Bollen JC, Dean SG, Siegert RJ, Howe TE, Goodwin VA. A systematic review of measures of self-reported adherence to unsupervised home-based rehabilitation exercise programmes, and their psychometric properties. BMJ Open 2014; 4:e005044. [PMID: 24972606 PMCID: PMC4078771 DOI: 10.1136/bmjopen-2014-005044] [Citation(s) in RCA: 138] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND Adherence is an important factor contributing to the effectiveness of exercise-based rehabilitation. However, there appears to be a lack of reliable, validated measures to assess self-reported adherence to prescribed but unsupervised home-based rehabilitation exercises. OBJECTIVES A systematic review was conducted to establish what measures were available and to evaluate their psychometric properties. DATA SOURCES MEDLINE, EMBASE, PsycINFO CINAHL (June 2013) and the Cochrane library were searched (September 2013). Reference lists from articles meeting the inclusion criteria were checked to ensure all relevant papers were included. STUDY SELECTION To be included articles had to be available in English; use a self-report measure of adherence in relation to a prescribed but unsupervised home-based exercise or physical rehabilitation programme; involve participants over the age of 18. All health conditions and clinical populations were included. DATA EXTRACTION Descriptive data reported were collated on a data extraction sheet. The measures were evaluated in terms of eight psychometric quality criteria. RESULTS 58 studies were included, reporting 61 different measures including 29 questionnaires, 29 logs, two visual analogue scales and one tally counter. Only two measures scored positively for one psychometric property (content validity). The majority of measures had no reported validity or reliability testing. CONCLUSIONS The results expose a gap in the literature for well-developed measures that capture self-reported adherence to prescribed but unsupervised home-based rehabilitation exercises.
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Affiliation(s)
| | - Sarah G Dean
- PenCLAHRC, University of Exeter Medical School, Exeter, UK
| | - Richard J Siegert
- Department of Psychology, Auckland University of Technology (AUT University), Auckland, New Zealand
| | - Tracey E Howe
- School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, UK
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Changes in motivational outcomes after a supervised resistance exercise training intervention in lung cancer survivors. Cancer Nurs 2013; 36:E27-35. [PMID: 22495501 DOI: 10.1097/ncc.0b013e31824a78e4] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Short-term supervised exercise interventions improve health-related fitness in lung cancer survivors; however, sustained exercise is required to maintain the health benefits. The impact of exercise interventions on motivational outcomes may be important for long-term exercise adoption. OBJECTIVE The objective of this study was to examine the effects of a 10-week supervised progressive resistance exercise training program on lung cancer survivors' motivational outcomes based on the Theory of Planned Behavior (TPB). METHODS Posttreatment lung cancer survivors were recruited to undergo a 10-week supervised resistance exercise training intervention. The 2-component model of the TPB was measured at baseline and after intervention. RESULTS Fifteen participants completed assessments of TPB measures. Significant increases in self-efficacy (P = .022) and perceived controllability (P = .032) and a nonsignificant increase in affective attitude (P = .090) were observed after intervention. Intention was significantly lower at postintervention (P = .044). Significant correlates of postintervention intention were instrumental attitude (P = .001), self-efficacy (P = .004), perceived behavioral control (P = .009), and affective attitude (P = .044). At postintervention, self-efficacy was significantly correlated with planning (P < .046). CONCLUSIONS Short-term supervised resistance exercise training may improve some motivational outcomes for lung cancer survivors. Intentions appeared to be weakened after the intervention, but there are methodological explanations for this finding. IMPLICATIONS FOR PRACTICE Participation in short-term supervised resistance exercise may be an effective method to improve some motivational factors related to exercise in lung cancer survivors. More research is needed to examine the long-term effects of supervised resistance exercise on motivational outcomes in lung cancer survivors. Strategies to maintain motivational changes that occur following a supervised resistance exercise intervention need to be investigated.
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Hacker ED, Mjukian M. Review of attrition and adherence in exercise studies following hematopoietic stem cell transplantation. Eur J Oncol Nurs 2013; 18:175-82. [PMID: 24275209 DOI: 10.1016/j.ejon.2013.10.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 10/18/2013] [Accepted: 10/21/2013] [Indexed: 10/26/2022]
Abstract
PURPOSE Implementing exercise programs in people receiving high-dose chemotherapy followed by bone marrow (BMT) or hematopoietic stem cell transplantation (SCT) presents unique challenges. This review examines subject attrition rates and reasons for attrition as well as adherence to exercise interventions following BMT/SCT. METHODS Studies published between January 1985 and December 2012 that prospectively tested an exercise intervention following BMT or SCT were included in the review. Evaluation criteria included: (1) exercise modality; (2) the amount of supervision required to implement the intervention; (3) timing of the intervention; (4) subject attrition rates and reasons for attrition; and (5) exercise adherence rates. RESULTS Of the 20 studies reviewed, most tested an aerobic exercise intervention or a combination of aerobic and strength training. Supervised exercise sessions were more commonly used than unsupervised sessions. The overall attrition rate was 18% for the 998 subjects enrolled in the studies. Major reasons for attrition included death, change in health status, protocol issues, personal issues with subjects, and lost to follow-up/no reason provided. Authors of supervised exercise programs rarely published exercise adherence information. Unsupervised exercise programs relied mainly on self-report to document adherence. CONCLUSION Exercise research following BMT/SCT is becoming more sophisticated as researchers build upon the expanding literature base. Questions regarding subject attrition and adherence to exercise interventions must be addressed to identify interventions that are likely to be successful when translated into clinical practice. Subject attrition from exercise studies following BMT/SCT is relatively low. Adherence information for exercise interventions needs to be regularly addressed.
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Affiliation(s)
- Eileen Danaher Hacker
- University of Illinois at Chicago, College of Nursing (M/C 802), Department of Biobehavioral Health Science, 845 S. Damen Avenue, Chicago, IL 60612, USA.
| | - Maral Mjukian
- University of Illinois at Chicago, College of Nursing (M/C 802), Department of Biobehavioral Health Science, 845 S. Damen Avenue, Chicago, IL 60612, USA
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Buffart LM, Galvão DA, Brug J, Chinapaw MJM, Newton RU. Evidence-based physical activity guidelines for cancer survivors: current guidelines, knowledge gaps and future research directions. Cancer Treat Rev 2013; 40:327-40. [PMID: 23871124 DOI: 10.1016/j.ctrv.2013.06.007] [Citation(s) in RCA: 170] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 06/20/2013] [Accepted: 06/25/2013] [Indexed: 01/22/2023]
Abstract
Physical activity during and after cancer treatment has beneficial effects on a number of physical and psychosocial outcomes. This paper aims to discuss the existing physical activity guidelines for cancer survivors and to describe future research directions to optimize prescriptions. Studies on physical activity during and after cancer treatment were searched in PubMed, Clinicaltrials.gov, Australian New Zealand Clinical Trials Registry, and Dutch Trial registry. Physical activity guidelines for cancer survivors suggest that physical activity should be an integral and continuous part of care for all cancer survivors. However, the development of these guidelines has been limited by the research conducted. To be able to develop more specific guidelines, future studies should focus on identifying clinical, personal, physical, psychosocial, and intervention moderators explaining 'for whom' or 'under what circumstances' interventions work. Further, more insight into the working mechanisms of exercise interventions on health outcomes in cancer survivors is needed to improve the efficacy and efficiency of interventions. Finally, existing programs should embrace interests and preferences of patients to facilitate optimal uptake of interventions. In conclusion, current physical activity guidelines for cancer survivors are generic, and research is needed to develop more personalized physical activity guidelines.
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Affiliation(s)
- L M Buffart
- EMGO Institute for Health and Care Research and the VU University Medical Center, Department of Epidemiology and Biostatistics, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
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Burton AM, Hovick SR, Peterson SK. Health behaviors in patients and families with hereditary colorectal cancer. Clin Colon Rectal Surg 2013; 25:111-7. [PMID: 23730226 DOI: 10.1055/s-0032-1313782] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
It is estimated that 5 to 10% of all colorectal cancer (CRC) cases are attributed to a hereditary cause. The primary hereditary cancer syndromes that confer an increased risk for colorectal cancers are Lynch syndrome/hereditary nonpolyposis colorectal cancer (HNPCC) and familial adenomatous polyposis (FAP). Through genetic testing, health care providers can identify patients and families who carry gene mutations and subsequently are at a substantially greater risk for developing colorectal cancer than the general population. Genetic testing provides risk information not only about an individual patient, but also his or her biological relatives. A variety of risk-reduction behaviors (including screening, surgery, and health and lifestyle behaviors) have been examined in Lynch syndrome and FAP populations. The research indicates that screening behaviors are less than optimal, although the rates vary from study to study. Prophylactic colectomy is the primary course of treatment for individuals who test positive for a FAP mutation, but the results are inconclusive for cancer-unaffected Lynch syndrome mutation carriers. Although research suggests that the adoption of healthy lifestyles and behaviors (e.g., diet, physical activity, weight control, smoking cessation, limited alcohol consumption) could have a favorable impact on colon cancer burden, there is minimal data on how these behaviors may moderate cancer risk among those at risk of hereditary colon cancer. To date, we know very little about the actual health and lifestyle behaviors of those at risk of hereditary colon cancer. Genetic testing and counseling at risk individuals may resolve uncertainty about their personal and familial cancer risk and provide information to guide and personalize decisions about their future health care.
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Affiliation(s)
- Allison M Burton
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, Texas
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Cooley ME, Finn KT, Wang Q, Roper K, Morones S, Shi L, Litrownik D, Marcoux JP, Zaner K, Hayman LL. Health behaviors, readiness to change, and interest in health promotion programs among smokers with lung cancer and their family members: a pilot study. Cancer Nurs 2013; 36:145-54. [PMID: 22791213 PMCID: PMC4729371 DOI: 10.1097/ncc.0b013e31825e4359] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND The diagnosis of lung cancer presents an opportunity to motivate individuals to adopt health-promoting behavior. Little attention has been given to using this opportunity to also motivate relatives to change their health behaviors. OBJECTIVES The objectives of this study were to describe health behaviors and readiness to change lifestyle, identify interest in health promotion programs, and examine concordance of health behaviors among smokers with lung cancer and their family members. METHODS Cross-sectional data were collected once from 37 lung cancer patient-family member dyads. Standardized questionnaires were used to collect data. Descriptive statistics and percent agreement were used for analyses. RESULTS Lung cancer patients and their family members had high rates of continued smoking (43% vs 30%), low intake of fruits and vegetables (92% vs 95%), and high rates of physical inactivity (84% vs 84%). Patients and family members indicated readiness to change behaviors within the next 6 months ranging from 63% for physical activity, 73% for diet, and 88% to quit smoking for patients and 81% for physical activity, 58% for diet, and 91% to quit smoking for family members. Interest in participating in a multiple behavioral risk reduction program was high for patients and family members. CONCLUSIONS The majority of patients and their family members have multiple behavioral risk factors placing them at risk for poor health outcomes. IMPLICATIONS FOR PRACTICE Oncology nurses are in a unique position to provide leadership in assessing health behaviors and implementing evidence-based interventions to enhance outcomes for patient-family member dyads with lung cancer.
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Affiliation(s)
- Mary E Cooley
- Dana-Farber Cancer Institute, Boston, MA 02115, USA.
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Cancer patients’ experiences with and perceived outcomes of yoga: results from focus groups. Support Care Cancer 2013; 21:1861-70. [DOI: 10.1007/s00520-013-1728-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 01/28/2013] [Indexed: 10/27/2022]
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Buffart LM, van Uffelen JGZ, Riphagen II, Brug J, van Mechelen W, Brown WJ, Chinapaw MJM. Physical and psychosocial benefits of yoga in cancer patients and survivors, a systematic review and meta-analysis of randomized controlled trials. BMC Cancer 2012. [PMID: 23181734 PMCID: PMC3571972 DOI: 10.1186/1471-2407-12-559] [Citation(s) in RCA: 187] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background This study aimed to systematically review the evidence from randomized controlled trials (RCTs) and to conduct a meta-analysis of the effects of yoga on physical and psychosocial outcomes in cancer patients and survivors. Methods A systematic literature search in ten databases was conducted in November 2011. Studies were included if they had an RCT design, focused on cancer patients or survivors, included physical postures in the yoga program, compared yoga with a non-exercise or waitlist control group, and evaluated physical and/or psychosocial outcomes. Two researchers independently rated the quality of the included RCTs, and high quality was defined as >50% of the total possible score. Effect sizes (Cohen’s d) were calculated for outcomes studied in more than three studies among patients with breast cancer using means and standard deviations of post-test scores of the intervention and control groups. Results Sixteen publications of 13 RCTs met the inclusion criteria, of which one included patients with lymphomas and the others focused on patients with breast cancer. The median quality score was 67% (range: 22–89%). The included studies evaluated 23 physical and 20 psychosocial outcomes. Of the outcomes studied in more than three studies among patients with breast cancer, we found large reductions in distress, anxiety, and depression (d = −0.69 to −0.75), moderate reductions in fatigue (d = −0.51), moderate increases in general quality of life, emotional function and social function (d = 0.33 to 0.49), and a small increase in functional well-being (d = 0.31). Effects on physical function and sleep were small and not significant. Conclusion Yoga appeared to be a feasible intervention and beneficial effects on several physical and psychosocial symptoms were reported. In patients with breast cancer, effect size on functional well-being was small, and they were moderate to large for psychosocial outcomes.
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Affiliation(s)
- Laurien M Buffart
- EMGO Institute for Health and Care Research, Department of Epidemiology and Biostatistics, VU University Medical Center, Van der Boechorststraat 7, Amsterdam, 1081 BT, The Netherlands.
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Husebø AML, Dyrstad SM, Søreide JA, Bru E. Predicting exercise adherence in cancer patients and survivors: a systematic review and meta-analysis of motivational and behavioural factors. J Clin Nurs 2012; 22:4-21. [DOI: 10.1111/j.1365-2702.2012.04322.x] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/23/2012] [Indexed: 11/27/2022]
Affiliation(s)
- Anne M Lunde Husebø
- Department of Health Studies, University of Stavanger and Research Department, Stavanger University Hospital; Stavanger; Norway
| | - Sindre M Dyrstad
- Department of Education and Sports Science; University of Stavanger; Stavanger; Norway
| | | | - Edvin Bru
- Department of Educational Psychology; University of Stavanger; Stavanger; Norway
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Mishra SI, Scherer RW, Geigle PM, Berlanstein DR, Topaloglu O, Gotay CC, Snyder C. Exercise interventions on health-related quality of life for cancer survivors. Cochrane Database Syst Rev 2012; 2012:CD007566. [PMID: 22895961 PMCID: PMC7387117 DOI: 10.1002/14651858.cd007566.pub2] [Citation(s) in RCA: 360] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Cancer survivors experience numerous disease and treatment-related adverse outcomes and poorer health-related quality of life (HRQoL). Exercise interventions are hypothesized to alleviate these adverse outcomes. HRQoL and its domains are important measures for cancer survivorship. OBJECTIVES To evaluate the effectiveness of exercise on overall HRQoL and HRQoL domains among adult post-treatment cancer survivors. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, MEDLINE, EMBASE, CINAHL, PsycINFO, PEDRO, LILACS, SIGLE, SportDiscus, OTSeeker, and Sociological Abstracts from inception to October 2011 with no language or date restrictions. We also searched citations through Web of Science and Scopus, PubMed's related article feature, and several websites. We reviewed reference lists of included trials and other reviews in the field. SELECTION CRITERIA We included all randomized controlled trials (RCTs) and controlled clinical trials (CCTs) comparing exercise interventions with usual care or other nonexercise intervention to assess overall HRQoL or at least one HRQoL domain in adults. Included trials tested exercise interventions that were initiated after completion of active cancer treatment. We excluded trials including people who were terminally ill, or receiving hospice care, or both, and where the majority of trial participants were undergoing active treatment for either the primary or recurrent cancer. DATA COLLECTION AND ANALYSIS Five paired review authors independently extracted information on characteristics of included trials, data on effects of the intervention, and assessed risk of bias based on predefined criteria. Where possible, meta-analyses results were performed for HRQoL and HRQoL domains for the reported difference between baseline values and follow-up values using standardized mean differences (SMD) and a random-effects model by length of follow-up. We also reported the SMDs between mean follow-up values of exercise and control group. Because investigators used many different HRQoL and HRQoL domain instruments and often more than one for the same domain, we selected the more commonly used instrument to include in the SMD meta-analyses. We also report the mean difference for each type of instrument separately. MAIN RESULTS We included 40 trials with 3694 participants randomized to an exercise (n = 1927) or comparison (n = 1764) group. Cancer diagnoses in study participants included breast, colorectal, head and neck, lymphoma, and other. Thirty trials were conducted among participants who had completed active treatment for their primary or recurrent cancer and 10 trials included participants both during and post cancer treatment. Mode of the exercise intervention included strength training, resistance training, walking, cycling, yoga, Qigong, or Tai Chi. HRQoL and its domains were measured using a wide range of measures.The results suggested that exercise compared with control has a positive impact on HRQoL and certain HRQoL domains. Exercise resulted in improvement in: global HRQoL at 12 weeks' (SMD 0.48; 95% confidence interval (CI) 0.16 to 0.81) and 6 months' (0.46; 95% CI 0.09 to 0.84) follow-up, breast cancer concerns between 12 weeks' and 6 months' follow-up (SMD 0.99; 95% CI 0.41 to 1.57), body image/self-esteem when assessed using the Rosenberg Self-Esteem scale at 12 weeks (MD 4.50; 95% CI 3.40 to 5.60) and between 12 weeks' and 6 months' (mean difference (MD) 2.70; 95% CI 0.73 to 4.67) follow-up, emotional well-being at 12 weeks' follow-up (SMD 0.33; 95% CI 0.05 to 0.61), sexuality at 6 months' follow-up (SMD 0.40; 95% CI 0.11 to 0.68), sleep disturbance when comparing follow-up values by comparison group at 12 weeks' follow-up (SMD -0.46; 95% CI -0.72 to -0.20), and social functioning at 12 weeks' (SMD 0.45; 95% CI 0.02 to 0.87) and 6 months' (SMD 0.49; 95% CI 0.11 to 0.87) follow-up. Further, exercise interventions resulted in decreased anxiety at 12 weeks' follow-up (SMD -0.26; 95% CI -0.07 to -0.44), fatigue at 12 weeks' (SMD -0.82; 95% CI -1.50 to -0.14) and between 12 weeks' and 6 months' (SMD -0.42; 95% CI -0.02 to -0.83) follow-up, and pain at 12 weeks' follow-up (SMD -0.29; 95% CI -0.55 to -0.04) when comparing follow-up values by comparison group.Positive trends and impact of exercise intervention existed for depression and body image (when analyzing combined instruments); however, because few studies measured these outcomes the robustness of findings is uncertain.No conclusions can be drawn regarding the effects of exercise interventions on HRQoL domains of cognitive function, physical functioning, general health perspective, role function, and spirituality.Results of the review need to be interpreted cautiously owing to the risk of bias. All the trials reviewed were at high risk for performance bias. In addition, the majority of trials were at high risk for detection, attrition, and selection bias. AUTHORS' CONCLUSIONS This systematic review indicates that exercise may have beneficial effects on HRQoL and certain HRQoL domains including cancer-specific concerns (e.g. breast cancer), body image/self-esteem, emotional well-being, sexuality, sleep disturbance, social functioning, anxiety, fatigue, and pain at varying follow-up periods. The positive results must be interpreted cautiously due to the heterogeneity of exercise programs tested and measures used to assess HRQoL and HRQoL domains, and the risk of bias in many trials. Further research is required to investigate how to sustain positive effects of exercise over time and to determine essential attributes of exercise (mode, intensity, frequency, duration, timing) by cancer type and cancer treatment for optimal effects on HRQoL and its domains.
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Differential effects of exercise on cancer-related fatigue during and following treatment: a meta-analysis. Am J Prev Med 2012; 43:e1-24. [PMID: 22813691 DOI: 10.1016/j.amepre.2012.04.027] [Citation(s) in RCA: 137] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Revised: 02/24/2012] [Accepted: 04/06/2012] [Indexed: 12/11/2022]
Abstract
CONTEXT Exercise-induced improvements in cancer-related fatigue may be moderated differentially in patients during and following treatment. These effects have not been reviewed systematically. In accordance with PRISMA guidelines, the population effect size for exercise training on cancer-related fatigue during and following treatment was estimated and the extent to which the effect is differentiated across the time course of treatment and recovery was determined. EVIDENCE ACQUISITION Articles published before August 2011 were retrieved using Google Scholar, MEDLINE, PsycINFO, PubMed, and Web of Science databases. Seventy studies involving 4881 cancer patients during or following treatment were selected. Articles included a cancer-related fatigue outcome measured at baseline and post-intervention and randomized allocation to exercise or non-exercise comparison. From August to October 2011, Hedges' d effect sizes were computed, study quality was evaluated, and random effects models were used to estimate sampling error and population variance. EVIDENCE SYNTHESIS Exercise significantly reduced cancer-related fatigue by a mean effect Δ (95% CI) of 0.32 (0.21, 0.43) and 0.38 (0.21, 0.54) during and following cancer treatment, respectively. During treatment, patients with lower baseline fatigue scores and higher exercise adherence realized the largest improvements. Following treatment, improvements were largest for trials with longer durations between treatment completion and exercise initiation, trials with shorter exercise program lengths, and trials using wait-list comparisons. CONCLUSIONS Exercise reduces cancer-related fatigue among patients during and following cancer treatment. These effects are moderated differentially over the time course of treatment and recovery. Exercise has a palliative effect in patients during treatment and a recuperative effect post-treatment.
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Shang J, Wenzel J, Krumm S, Griffith K, Stewart K. Who will drop out and who will drop in: exercise adherence in a randomized clinical trial among patients receiving active cancer treatment. Cancer Nurs 2012; 35:312-22. [PMID: 22228393 PMCID: PMC3326216 DOI: 10.1097/ncc.0b013e318236a3b3] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Adherence has significantly affected the efficacy of a randomized clinical trial (RCT) to test exercise interventions. OBJECTIVE The aims of this study were to analyze exercise-related adherence patterns among patients receiving active cancer treatment and to identify factors related to exercise adherence and contamination in both the intervention and control groups. METHODS This is a secondary analysis of data from an RCT of a home-based walking intervention for patients receiving active cancer treatment. Hierarchical Poisson regression analysis was used to identify factors related to exercise adherence and exercise contamination in the exercise intervention and control groups. RESULTS A total of 126 patients finished the study. Exercise adherence rate in the intervention group was 32.35%, whereas exercise contamination rate in the control group was 12.07%. Independent predictors of adherence for the exercise group were baseline physical fitness, pretreatment fatigue level, treatment-related mood disturbance, and marital status (P < .01); exercise history significantly predicted exercise contamination (P < .00) in the control group. CONCLUSION Adherence remains an issue in an exercise RCT among patients on active cancer treatment. Adherence is related to symptom, physical function, and exercise history. IMPLICATIONS FOR PRACTICE Exercise researchers should consider stratifying samples based on pretreatment variables found to be significantly associated with outcome variables in this study to reduce confounding effects. Oncology clinicians can use the study findings to appropriately tailor strategies to encourage exercise adherence among patients receiving active cancer treatment so that these patients can receive the known benefits of exercise.
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Affiliation(s)
- Jingjing Shang
- School of Nursing, Columbia University, New York, NY 10032, USA.
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Ross Zahavich AN, Robinson JA, Paskevich D, Culos-Reed SN. Examining a therapeutic yoga program for prostate cancer survivors. Integr Cancer Ther 2012; 12:113-25. [PMID: 22740082 DOI: 10.1177/1534735412446862] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND In the earlier stages of prostate cancer, effective treatments have created a need for research to focus on practices that may improve quality of life throughout survivorship. Physical activity is a significant supportive care management strategy for prostate cancer survivors, though the optimal modality is not yet understood. HYPOTHESES The authors hypothesized that yoga would be a feasible physical activity option for prostate cancer survivors and their support persons and that the incorporation of social support would increase physical activity adherence. METHODS This 14-week feasibility study involved a 7-week class-based yoga program (adherence phase), followed by 7 weeks of self-selected physical activity (maintenance phase). Demographic information, physical activity behavior, quality of life, fatigue, stress, mood, and fitness variables were assessed at 3 time points. Prostate cancer survivors' perceived social support was rated during yoga and after yoga. RESULTS Class attendance was 6.1 and 5.8 for prostate cancer survivors (n = 15) and their support persons (n = 10), respectively, for the 7 classes. Levels of perceived social support were higher for those who brought a support person. Significant improvements with regard to stress, fatigue, and mood before and after yoga class (all Ps < .05) were reported by all participants. No clinically significant changes were noted on prostate cancer survivor's quality of life or fatigue over the course of the 14-week study. CONCLUSIONS Yoga is a feasible physical activity option for prostate cancer survivors. The program had a promising uptake rate, high program adherence rate, and there were acute program benefits with regard to stress, fatigue, and mood for all participants. Future examination is warranted with regard to chronic benefits and group cohesion influences on levels of perceived social support.
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Mediating effects of body image satisfaction on exercise behavior, depressive symptoms, and gestational weight gain in pregnancy. Ann Behav Med 2012; 42:381-90. [PMID: 22015436 DOI: 10.1007/s12160-011-9300-2] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
Abstract
BACKGROUND Body image satisfaction in pregnancy may have an important influence on maternal biopsychosocial outcomes. PURPOSE This study aims to examine the mediating influence of trimesters 2 and 3 body image satisfaction on trimesters 2 and 3 depressive symptoms, exercise behavior, and gestational weight gain. METHODS Pregnant women (N = 151; mean age = 30) prospectively completed study measures via mail during their 1st, 2nd, and 3rd trimesters. RESULTS As predicted, trimesters 2 and 3 body image satisfaction mediated the relationship between trimester 1 body image satisfaction and trimester 2 depressive symptoms and the relationship between trimester 2 body image satisfaction and trimester 3 depressive symptoms. In contrast to the hypothesis, no mediation was observed for the relationship between body image satisfaction and exercise behavior or gestational weight gain. CONCLUSIONS These preliminary findings demonstrate that body image satisfaction is an important psychological determinant of depressive symptoms in pregnancy. Promoting healthy body image may be a non-pharmacological strategy that offers protective effects against depressive symptoms during pregnancy.
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Theory-based predictors of follow-up exercise behavior after a supervised exercise intervention in older breast cancer survivors. Support Care Cancer 2012; 20:2511-21. [PMID: 22252545 DOI: 10.1007/s00520-011-1360-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Accepted: 12/26/2011] [Indexed: 10/14/2022]
Abstract
PURPOSE Supervised exercise interventions can elicit numerous positive health outcomes in older breast cancer survivors. However, to maintain these benefits, regular exercise needs to be maintained long after the supervised program. This may be difficult, as in this transitional period (i.e., time period immediately following a supervised exercise program), breast cancer survivors are in the absence of on-site direct supervision from a trained exercise specialist. The purpose of the present study was to identify key determinants of regular exercise participation during a 6-month follow-up period after a 12-month supervised exercise program among women aged 65+ years who had completed adjuvant treatment for breast cancer. METHODS At the conclusion of a supervised exercise program and 6 months later, 69 breast cancer survivors completed surveys examining their exercise behavior and key constructs from the Transtheoretical Model. RESULTS After adjusting for weight status and physical activity at the transition point, breast cancer survivors with higher self-efficacy at the point of transition were more likely to be active 6 months after leaving the supervised exercise program (odds ratio [95% confidence interval, 1.10 [1.01-1.18]). Similarly, breast cancer survivors with higher behavioral processes of change use at the point of transition were more likely to be active (odds ratio [95% confidence interval], 1.13 [1.02-1.26]). CONCLUSION These findings suggest that self-efficacy and the behavioral processes of change, in particular, play an important role in exercise participation during the transition from a supervised to a home-based program among older breast cancer survivors.
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Yuen HK, Marlow NM, Reed SG, Mahoney S, Summerlin LM, Leite R, Slate E, Silver RM. Effect of orofacial exercises on oral aperture in adults with systemic sclerosis. Disabil Rehabil 2011; 34:84-9. [PMID: 21951278 DOI: 10.3109/09638288.2011.587589] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
PURPOSE To examine the effect of a home orofacial exercise program on increasing oral aperture among adults with systemic sclerosis (SSc). METHOD Forty-eight adults with SSc were assigned randomly to the multifaceted oral-health intervention or usual dental care control group. Participants with an oral aperture of <40 mm in the intervention group received an orofacial exercise program, which included daily manual mouth-stretching and oral-augmentation exercises twice a day with a total of 6 minutes for 6 months. The outcome measure was oral aperture which was measured at baseline, 3-months, and 6-months intervals. RESULTS A significantly larger increase in oral aperture for participants received the orofacial exercise program was found when compared to those in the usual care at 3 months (P = 0.01), but not at 6-months evaluation. Participants' adherence rate to the exercise program was low (48.9%). CONCLUSIONS The orofacial exercise program intervention for adults with SSc and microstomia did not show significant improvement at 6 months. In addition to the low exercise adherence rate, insufficient frequencies, repetitions, and durations of the orofacial exercises may contribute to these results.
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Affiliation(s)
- Hon K Yuen
- University of Alabama at Birmingham, Birmingham, AL, USA.
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Speed-Andrews AE, Rhodes RE, Blanchard CM, Culos-Reed SN, Friedenreich CM, Belanger LJ, Courneya KS. Medical, demographic and social cognitive correlates of physical activity in a population-based sample of colorectal cancer survivors. Eur J Cancer Care (Engl) 2011; 21:187-96. [PMID: 21902736 DOI: 10.1111/j.1365-2354.2011.01290.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Physical activity (PA) improves quality of life in colorectal cancer survivors (CRC) and may reduce the risk of disease recurrence and early death. Few studies, however, have examined the correlates of PA in CRC survivors. Using the Alberta Cancer Registry, 2000 randomly selected CRC survivors were mailed a self-reported questionnaire assessing medical, demographic, behavioural and social cognitive variables from the theory of planned behaviour (TPB). Of the 600 survivors who responded, 33% were meeting public health PA guidelines and almost half were completely sedentary. Higher PA was reported by survivors who were younger, unmarried, better educated, wealthier, employed, non-smokers, social drinkers, not treated with radiation therapy, disease-free, in better health and less comorbidity. In multivariate path analysis, these variables were not directly associated with PA after controlling for the TPB variables. The TPB explained 34% (P < 0.001) of the variance in PA behaviour with direct associations for intention (β= 0.22; P= 0.015) and planning (β= 0.18; P= 0.001). Intention, in turn, had 62% (P < 0.001) of its variance explained by perceived behavioural control (β= 0.43; P < 0.001), affective attitude (β= 0.25; P < 0.001) and instrumental attitude (β= 0.15; P < 0.001). The TPB may be a useful framework for developing population-based interventions to increase PA in CRC survivors.
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Affiliation(s)
- A E Speed-Andrews
- Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada.
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Courneya KS, Stevinson C, McNeely ML, Sellar CM, Friedenreich CM, Peddle-McIntyre CJ, Chua N, Reiman T. Predictors of follow-up exercise behavior 6 months after a randomized trial of supervised exercise training in lymphoma patients. Psychooncology 2011; 21:1124-31. [PMID: 21766483 DOI: 10.1002/pon.2010] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2011] [Revised: 05/09/2011] [Accepted: 05/20/2011] [Indexed: 12/19/2022]
Abstract
OBJECTIVES Supervised exercise is beneficial for lymphoma patients, but it needs to be maintained to optimize long-term benefits. Here, we report the predictors of follow-up exercise behavior 6 months after a randomized controlled trial in lymphoma patients. METHODS Lymphoma patients were randomly assigned to 12 weeks of supervised aerobic exercise (n = 60) or usual care (n = 62). At baseline and post-intervention, data were collected on demographic, medical, health-related fitness, quality of life, and motivational variables. At 6-month follow-up, participants were mailed a questionnaire that assessed exercise behavior and were categorized as meeting or not meeting public health exercise guidelines. RESULTS At 6-month follow-up, 110 participants (90.2%) responded, of which 61 (55.5%) were meeting public health exercise guidelines. In univariate analyses, 16 variables predicted 6-month follow-up exercise behavior. In a stepwise regression analysis, five variables entered the model and explained 38% (p < 0.001) of the variance including the following: accepting a post-intervention exercise prescription (β = 0.33; p < 0.001), achieving a higher peak power output at post-intervention (β = 0.28; p = 0.001), experiencing a larger positive change in perceived behavioral control (β = 0.18; p = 0.028), having Hodgkin lymphoma (β = 0.19; p = 0.025), and having a stronger post-intervention intention (β = 0.18; p = 0.034). CONCLUSION Exercise behavior in lymphoma patients 6 months after a randomized trial was predicted by a wide range of demographic, medical, health-related fitness, quality of life, and motivational variables. These findings may help facilitate the uptake of self-directed exercise after short-term supervised exercise in lymphoma patients.
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Yuen HK, Holthaus K, Kamen DL, Sword DO, Breland HL. Using Wii Fit to reduce fatigue among African American women with systemic lupus erythematosus: a pilot study. Lupus 2011; 20:1293-9. [PMID: 21700656 DOI: 10.1177/0961203311412098] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Fatigue and physical deconditioning are common, difficult to treat conditions among patients with systemic lupus erythematosus (SLE). The aim of this pilot study was to evaluate the effectiveness of a home-based exercise program using the Wii Fit system in patients with SLE. Fifteen sedentary African American women with SLE experiencing moderate to severe fatigue participated in a home exercise program using the Wii Fit 3 days a week for 30 minutes each for 10 weeks. A one-group pretest-post test design was used to evaluate the effectiveness of this program. Primary outcome measure was severity of fatigue. Secondary outcome measures were body weight, waist circumference, fatigue-related symptoms of distress, activity level, and physical fitness. At the completion of the 10-week Wii Fit exercise program, participants perceived fatigue severity as measured by the Fatigue Severity Scale to be significantly decreased (p = 0.002), and body weight and waist circumference were significantly reduced (p = 0.01). In addition, anxiety level, as measured by Hospital Anxiety and Depression Scale, and overall intensity of total pain experience, as measured by Short-form of the McGill Pain Questionnaire, were also significantly reduced (p < 0.05). Findings provide preliminary evidence that the Wii Fit motivates this population to exercise, which leads to alleviation of fatigue and reduced body weight, waist circumference, anxiety level, and overall intensity of total pain experience.
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Affiliation(s)
- H K Yuen
- Department of Occupational Therapy, School of Health Professions, University of Alabama at Birmingham, 1530 3rd Avenue South, Birmingham, AL 35294, USA.
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Abstract
Colorectal cancer survivorship begins at diagnosis and continues throughout life. After diagnosis, survivors face the possibility of second cancers, long-term effects of cancer treatment, and comorbid conditions. Interventions that can provide primary, secondary, and tertiary prevention in this population are important. Physical activity has been shown to decrease colon cancer incidence and recurrence risk as well as improve quality of life and noncancer health outcomes including cardiovascular fitness in colon cancer survivors. The data are less robust for rectal cancer incidence and recurrence, although improvements in quality of life and health outcomes in rectal cancer survivors are also seen. Potential mechanisms for this benefit may occur through inflammatory or insulin-like growth factor pathways. The issues of colorectal cancer survivorship and the impact of physical activity on these issues are reviewed, with discussion of possible biologic mechanisms, barriers to physical activity intervention studies, and future research directions for physical activity in this burgeoning survivor population.
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