Our study, although small, showed that the resistance exercise group had significantly better function, as measured by total ALS Functional Rating Scale and upper and lower extremity subscale scores, and quality of life without adverse effects as compared with subjects receiving usual care.
(1)H MR spectroscopic imaging measures of the primary motor cortex N-acetyl-aspartate (NAA) concentration and ratio of NAA to creatine, central motor conduction time to the tibialis anterior, and motor unit number estimation significantly differed between ALS, its subsets, and control subjects, suggesting they have potential to provide insight into the pathobiology of these disorders.
Background and Context: The Virtual Health Library (VHL) is a space for integration of information sources collectively produced and organized into geographic, thematic, biographical or institutional instances.Aim: The creation of the VHL Prevention and Cancer Control aims at developing an open and collaborative space for the management of scientific and technical information regarding this subject. Information sources offer subsidies to managers and health professionals in decision making, training and public policy formulation.Strategy/Tactics: Aiming at promoting knowledge management in the area of cancer control in Brazil, the Ministry of Health created within its institutional VHL, a thematic area dedicated to it. However, the project met greater proportions and it became essential to develop a thematic VHL instance on prevention and cancer control which could function as a national information reference.Programme/Policy Process: Once a VHL develops its activities through a cooperative network of institutions which are users and producers of information, it was essential to structure such a network within the field of cancer control and develop a governance model that could allow its sustainable operation. The model is composed of Executive Secretary, Advisory Committee, Executive Committee and Responsibility Matrix. The institutions which are part of this collaborative network have been selected in order to represent the regional diversity present in Brazil and also the diverse profiles of institutions related to cancer control, such as research, academia, government, scientific societies and organizations representing patients. Outcomes/What was learned:The development of VHL Prevention and Control of Cancer has been a success and the institutions that are part of the collaborative network are enriching the library databases with its scientific production. The experience of VHL Prevention and Cancer Control shows that having governance structures clearly defined from the beginning facilitates the collaborative work. Background and Context:Australia was the first country in the world to introduce a fully funded, population based HPV vaccination program. The HPV vaccine has the potential to decrease 70-80% of cervical cancers in Australia, in addition to other HPV-related cancers and diseases. To achieve maximum population health benefit, high vaccine coverage of HPV-naïve teenagers is required.Aim: Cancer Council Victoria (CCV) has undertaken a Victorian government funded project to address low human papillomavirus (HPV) immunisation coverage rates in the school-based immunisation program. Statewide, uptake of the vaccine has been good with 72% of Victorian schoolgirls aged 12-13 years having the three dose vaccine. However, coverage rates across local government areas (LGA) vary considerably (43-100%). Strategy/Tactics:Partnering with school-based immunisation providers is essential to addressing low HPV immunisation rates and was a key strategy for this project.Programme/Policy Process: Over a three-year ...
Background - Fatigue is one of the most common and disabling complaints in patients with breast cancer and can effectively be reduced by physical exercise, with small to moderate effect sizes. To identify heterogeneity in responses to exercise and to further personalize exercise prescriptions, moderators of exercise effects on fatigue should be investigated. However, most randomized controlled trials (RCTs) are not adequately powered for such analyses. Therefore we conducted meta-analyses using the individual patient data of several exercise RCTs. The aim is to investigate the effect and moderators of physical exercise on cancer-related fatigue in patients with breast cancer. Methods - Within the Predicting OptimaL cAncer RehabIlitation and Supportive care (POLARIS) consortium, principal investigators of 34 exercise RCTs worldwide have shared their individual patient data. Twenty-two of these RCTs included patients with breast cancer with a total sample size of 3,061. Different questionnaires to assess level of fatigue were used, which was acknowledged by using z-scores in the analysis. A one-step individual patient data meta-analysis, using a linear mixed-effect model adjusted for baseline fatigue, with a random intercept on study (to account for study clustering) was undertaken to investigate effect of exercise on fatigue. The result, a between-group difference in z-scores, corresponds to a Cohen's d effect size. An interaction term was included in the model to assess potential moderators including demographic (age, marital status, education), clinical (body mass index, presence of distant metastasis), intervention-related (intervention timing, delivery mode and duration), and exercise-related (exercise type, frequency, intensity, duration) characteristics. Results – Exercise significantly reduced fatigue reported by women with breast cancer (β= -0.15, 95% CI -0.21;-0.09). This effect did not differ significantly between patients with different demographic and clinical characteristics (p-valuesinteraction >0.05). Also, neither timing (during or post-treatment) and duration of the intervention, nor exercise-related factors moderated intervention effects on fatigue. Supervised exercise had significantly larger effects on fatigue than unsupervised exercise (βdifference= -0.17, 95%CI -0.28;-0.05). Compared to the control group, supervised exercise significantly improved fatigue (β = -0.21, 95%CI = -0.28;-0.14), while unsupervised exercise did not (β = -0.04, 95%CI = -0.14;0.06). Conclusion – Exercise significantly reduces fatigue in patients with breast cancer across subgroups formed on the basis of age, marital status, education level, body mass index, and presence of distant metastasis. The effect of exercise is significantly larger when performed under supervision. Hence, exercise, and preferably supervised exercise, represents a viable intervention for the prevention and treatment of fatigue among patients with breast cancer. Citation Format: van Vulpen JK, Sweegers MG, Kalter J, Peeters PH, Courneya KS, Newton RU, Aaronson NK, Jacobsen PB, Steindorf K, Stuiver MM, Hayes S, Mesters I, Knoop H, Goedendorp M, Mutrie N, Thorsen L, Schmidt M, Sonke GS, Bohus M, James EL, Oldenburg HS, Velthuis MJ, Nollet F, Wenzel J, Wiskemann J, Galvão DA, Chinapaw MJ, Irwin ML, Griffith KA, van Weert E, Daley AJ, McConnachie A, Schulz K-H, Short CE, Plotnikoff RC, Potthoff K, van Beurden M, van Harten WH, Schmitz KH, Winters-Stone KM, Taaffe DR, van Mechelen W, Kersten M-J, Verdonck-de Leeuw IM, Brug J, Buffart LM, May AM. Effect and moderators of exercise on fatigue in patients with breast cancer: Meta-analysis of individual patient data [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P6-12-06.
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