37 results on '"Viamonte S"'
Search Results
2. Impact of a cardio-oncology rehabilitation framework among high cardiovascular risk cancer survivors: results from the CORE trial
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Viamonte, S, primary, Joaquim, A, additional, Alves, A J, additional, Vilela, E, additional, Capela, A, additional, Ferreira, C, additional, Teixeira, M, additional, Guedes, H, additional, Rato, N, additional, Duarte, B, additional, Tavares, A, additional, Santos, M, additional, and Ribeiro, F, additional
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- 2023
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3. 264P Impact of a cardio-oncology rehabilitation framework among high cardiovascular risk breast cancer survivors
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Guedes, H., primary, Meixedo, A.S., additional, Marques, C.P., additional, Silva, S.C., additional, Leao, I.I.L., additional, Vilela, E., additional, Teixeira, M., additional, Duarte, B., additional, Rato, N., additional, Tavares, A., additional, Santos, M., additional, Ribeiro, F., additional, Capela, A.F. Baptista, additional, Alves, A., additional, Joaquim, A., additional, and Viamonte, S., additional
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- 2023
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4. Electrical properties in polyester resins: comparison of the use of carbon nanotubes (CNT) and carbon black (CB)
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Crespo, A., primary, Monje, B., additional, Llorens, R., additional, Viamonte, S., additional, and Lardiés, N., additional
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- 2022
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5. 1682P Effects of a walking football program on muscle strength and balance of androgen deprived prostate cancer patients: The Prostata_Move trial
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Capela, A.F. Baptista, primary, Antunes, P., additional, Coelho, A., additional, Amorim, R., additional, Custodio, S., additional, Amarelo, A., additional, Silva, J., additional, Vilela, E., additional, Tavares, A.J., additional, Costa, T., additional, Garcia, C., additional, Catarino, J., additional, Travassos, B., additional, Mendes, R., additional, Joaquim, A., additional, Teixeira, M., additional, Viamonte, S., additional, Figueiredo, P., additional, Brito, J., additional, and Alves, A., additional
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- 2021
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6. Evaluation of the application of not traumatic linking and learning techniques in two races of horses
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Paz, Sergio Alexis, Abbiati, Nidia Nora, Topayan, María Victoria, Refojo, Daniela, Harbar, A., Viamonte, S., and Azcurra, Miriam
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Técnicas de Vinculación y Aprendizaje no Traumáticas ,Ciencias Veterinarias ,Equinos - Abstract
Existe un conjunto de prácticas que permiten la familiarización del potrillo con el entorno, además de facilitar la detección y el diagnóstico de enfermedades, malformaciones y/o lesiones posparto (Gónzalez del Pino et al, 2009). Se conocen como Técnicas de Vinculación y Aprendizaje no Traumáticas (TVANT) y son realizadas mediante un contacto diario, tanto con el potrillo como con su madre, implicando una revisión habitual a cada individuo desde el día 7 al 14 desde el nacimiento. Nuestra experiencia en raza Criolla ha mostrado que las TVANT producen resultados satisfactorios (Abbiati et al, 2016). El objetivo de este trabajo fue comparar la duración del proceso para las razas Criolla y Silla Argentino en las maniobras de las TVANT., Facultad de Ciencias Veterinarias
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- 2017
7. P4906Impact of cardiac rehabilitation in obese patients with coronary artery disease
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Silveira, I., primary, Sousa, M.J., additional, Brochado, B., additional, Barreira, A., additional, Magalhaes, S., additional, Viamonte, S., additional, Preza-Fernandes, J., additional, Luz, A., additional, and Torres, S., additional
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- 2017
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8. Programas de reabilitação na artroplastia metacarpofalângica
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Magalhães, S., Castro, H., Amorim, S., Viamonte, S., and Silva, C.
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rheumatoid arthritis ,Artroplastia metacarpofalângicas ,reabilitação ,Metacarpophalangeal arthroplasty ,artrite reumatoide ,rehabilitation - Abstract
A artroplastia metacarpofalângica com implante de silicone é a cirurgia de substituição articular mais comum ao nível da mão nos doentes com Artrite Reumatoide. Outros procedimentos estão disponíveis, nomeadamente a artroplastia de recessão e a artroplastia com componentes metálico e/ou polietileno. No entanto, os implantes de Swanson mantêm-se o gold standard deste tipo de cirurgia conferindo um maior grau de estabilidade em relação a outros tipos de artroplastias. A ação que o tratamento fisiátrico exerce nas estruturas abarticulares, tanto pelo alívio álgico como pela flexibilização articular e fortalecimento dos músculos naturalmente amiotrofiados pelo processo crónico é essencial. Um programa de reabilitação adequado e individualizado terá implicações essenciais na funcionalidade atingida. Os autores efetuaram uma breve revisão dos diferentes procedimentos cirúrgicos e propõem para cada tipo de prótese usada um programa de reabilitação pré e pós cirúrgicos. Metacarpophalangeal arthroplasty with silicone implant is the most common joint replacement at the hand in patients with rheumatoid arthritis. Other procedures are available, including recession arthroplasty and arthroplasty with metal and / or polyethylene components. However, Swanson implants remain the gold standard conferring a greater degree of stability compared to other arthroplasties. The rehabilitation program effects on abarticular structures, chronically affected, namely, pain relief, flexibilisation and strengthening of the atrophied muscles is essential to treat these patients. A proper and individualized rehabilitation program will have important implications on functionality achieved. The authors conducted a brief review of the different surgical procedures and proposed for each type of prosthesis a pre and post surgical rehabilitation program.
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- 2013
9. Who are the non-responder patients to cardiac rehabilitation?
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Anjo, D., primary, Santos, M., additional, Rodrigues, P., additional, Sousa, M., additional, Brochado, B., additional, Viamonte, S., additional, Preza Fernandes, J., additional, Lopes Gomes, J., additional, Hipolito Reis, A., additional, and Torres, S., additional
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- 2013
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10. Cardiac rehabilitation: does age matter?
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Rodrigues, P., primary, Santos, M., additional, Sousa, M. J., additional, Anjo, D., additional, Brochado, B., additional, Barreira, A., additional, Viamonte, S., additional, Preza-Fernandes, J., additional, Palma, P., additional, and Torres, S., additional
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- 2013
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11. Cardiac rehabilitation: improving the prognosis of ischemic heart disease
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Rodrigues, P., primary, Santos, M., additional, Anjo, D., additional, Sousa, M. J., additional, Brochado, B., additional, Barreira, A., additional, Viamonte, S., additional, Preza-Fernandes, J., additional, Palma, P., additional, and Torres, S., additional
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- 2013
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12. Exercise prescription in oncology patients: General principles
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Azevedo, M.J., primary, Viamonte, S., additional, and Castro, A., additional
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- 2013
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13. What factors determine the levels of physical activity after Cardiac Rehabilitation Program?,Que fatores determinam os níveis de atividade física após Programa de Reabilitação Cardíaca?
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Soares, D., Viamonte, S., Magalhães, S., Ribeiro, M. M., Barreira, A., Fernandes, P., and Severo Torres
14. What factors determine the levels of physical activity after Cardiac Rehabilitation Program? | Que fatores determinam os níveis de atividade física após Programa de Reabilitação Cardíaca?
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Soares, D., Viamonte, S., Sandra Magalhães, Ribeiro, M. M., Barreira, A., Fernandes, P., and Torres, S.
15. 21 (PB-2) Poster Spotlight - Effects of a physical exercise program on quality of life, physical fitness and circulating biomarkers of breast cancer survivors – the MAMA_MOVE Gaia After Treatment trial.
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Joaquim, A., Amarelo, A., Antunes, P., Garcia, C., Leão, I., Vilela, E., Duarte, B., Vieira, M., Afreixo, V., Góis, A., Soares, A., Ferreira, H., Guerra, I., Afonso, A., Geraldes, V., Capela, A., Viamonte, S., Domingues, R., Helguero, L., and Alves, A.
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BREAST tumors , *CANCER patients , *CONFERENCES & conventions , *QUALITY of life , *PHYSICAL fitness , *BIOMARKERS - Published
- 2024
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16. Effect of Arm-Ergometry Versus Treadmill Supervised Exercise on Cardiorespiratory Fitness and Walking Distances in Patients With Peripheral Artery Disease: The ARMEX Randomized Clinical Trial.
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Magalhães S, Santos M, Viamonte S, Ribeiro F, Martins J, Schmidt C, Martinho-Dias D, and Cyrne-Carvalho H
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- Humans, Male, Female, Aged, Single-Blind Method, Oxygen Consumption physiology, Middle Aged, Arm physiopathology, Walk Test methods, Peripheral Arterial Disease physiopathology, Peripheral Arterial Disease rehabilitation, Peripheral Arterial Disease therapy, Walking physiology, Exercise Therapy methods, Cardiorespiratory Fitness physiology, Exercise Test methods
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Purpose: To compare arm-ergometry and treadmill supervised exercise training on cardiorespiratory fitness and walking distances in patients with peripheral artery disease (PAD)., Methods: ARMEX was a single-center, single-blinded, parallel group, non-inferiority trial enrolling symptomatic patients with PAD. Patients were randomized (1:1 ratio) to a 12-wk arm-ergometry (AEx) or standard treadmill (TEx) supervised exercise training protocol. The powered primary end point was the change in peak oxygen uptake (VO 2 ) at 12 wk, measured on a treadmill cardiopulmonary exercise test (CPX). Secondary outcomes included changes in VO 2 at the first ventilatory threshold (VT-1), ventilatory efficiency (ratio of minute ventilation [VE] to carbon dioxide production [VCO 2 ], VE/VCO 2 ), walking distances by CPX and 6-min walking test (6MWT), and self-reported walking limitations., Results: Fifty-six patients (66 ± 8 yr; 88% male) were randomized (AEx, n = 28; TEx, n = 28). At 12 wk, VO 2peak change was not significantly different between groups (0.75 mL/kg/min; 95% CI, -0.94 to 2.44; P = .378), despite a significant increase only in AEx. VO 2 at VT-1 improved in both groups without between-group differences, and VE/VCO 2 slope improved more in AEx. The TEx attained greater improvements in walking distance by CPX (121.08 m; 95% CI, 24.49-217.66; P = .015) and 6MWT (25.08 m; 95% CI, 5.87-44.29; P = .012) and self-perceived walking distance., Conclusions: Arm-ergometry was noninferior to standard treadmill training for VO 2peak , and treadmill training was associated with greater improvements in walking distance. Our data support the use of treadmill as a first-line choice in patients with PAD to enhance walking capacity, but arm-ergometry could be an option in selected patients., Competing Interests: The authors declare no conflicts of interest or financial support., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2024
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17. Effects of a Physical Exercise Program on Quality of Life and Physical Fitness of Breast Cancer Survivors: the MAMA_MOVE Gaia After Treatment Trial.
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Joaquim A, Amarelo A, Antunes P, Garcia C, Leão I, Vilela E, Teixeira M, Duarte B, Vieira M, Afreixo V, Capela A, Viamonte S, Costa H, Helguero LA, and Alves A
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- Humans, Female, Middle Aged, Adult, Health Status, Aged, Cardiorespiratory Fitness physiology, Exercise, Breast Neoplasms, Quality of Life, Physical Fitness physiology, Cancer Survivors psychology, Exercise Therapy methods
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To assess the effects of a group class physical exercise program on health-related quality of life (HRQOL), physical fitness and activity, and safety in early breast cancer women after treatment, a double-phase trial [16-week control phase (CP) followed by a 16-week intervention phase (IP)] was designed. Outcomes were evaluated at baseline (T1), 8 (T2) and 16 (T3) weeks (CP), and 24 (T4) and 32 (T5) weeks (IP). The primary endpoint was global health status. Out of 82 enrolled patients, 37 completed the IP. Global health status decreased (-10,1; 95% CI -19.8 to -0.4; p = 0.040) during the CP and stabilized during the IP. Physical and sexual functioning increased during the IP ( p = 0.008; p = 0.017), while cardiorespiratory fitness increased in the CP ( p = 0.004). Upper limb strength and lower limb functionality increased during both phases [CP: p < 0.0001, p = 0.001 (surgical and nonsurgical arm), p = 0.028; IP: p < 0.0001, p = 0.002, p = 0.009]. Body mass index decreased in the IP ( p = 0.026). Waist circumference increased in the CP ( p = 0.001) and decreased in the IP ( p = 0.010); sedentary behaviours and moderate and vigorous physical activity did not change. Adherence to 70% of the sessions was reported in 54% of patients. No serious adverse events related to the intervention were reported. In conclusion, the physical exercise program was able to prevent the decline in global health status and to improve other domains of HRQOL and physical fitness. As physical exercise is not the standard of care in many countries, the implementation of group class programs might be an option.
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- 2024
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18. Exercise Training Benefits Health-Related Quality of Life and Functional Capacity during Breast Cancer Chemotherapy: A Randomized Controlled Trial.
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Antunes P, Joaquim A, Sampaio F, Nunes C, Ascensão A, Vilela E, Teixeira M, Oliveira J, Capela A, Amarelo A, Leão I, Marques C, Viamonte S, Alves A, and Esteves D
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- Humans, Female, Quality of Life psychology, Hand Strength, Health Status, Exercise, Breast Neoplasms drug therapy, Breast Neoplasms psychology
- Abstract
Purpose: To examine the effectiveness of a supervised exercise training program (SETP) on health-related quality of life (HRQoL) and functional capacity in women with breast cancer (BC) undergoing chemotherapy., Methods: Ninety-three women with early-stage BC were randomly allocated to a SETP plus usual care (exercise, n = 47) or usual care alone (UC, n = 46). The SETP included three sessions per week, combining aerobic and resistance training, conducted concurrently over the chemotherapy. The EORTC Cancer Quality-of-Life-Questionnaire-Core-30 (QLQ-C30) and the BC-specific module (QLQ-BR23) were used to assess HRQoL. Functional capacity was analyzed by maximum voluntary handgrip strength (MVHS) and by the 30-s chair sit-to-stand test (30-s CST). These endpoints were assessed at baseline (t0); middle (t1; after 8 or 12 wk of t0); and at the end of chemotherapy (t2; after 20 wk of t0). Mean changes from baseline were assessed by an intention-to-treat approach., Results: Mixed linear model analyses showed that Exercise group experienced less deterioration in several domains of QLQ-C30 at t2, including in global health status/QoL (Δ = 9.39 units; P = 0.034), QLQ-C30 summary score (Δ = 8.08 units; P < 0.001), physical (Δ = 15.14 units; P < 0.001), role ( Δ = 21.81 units; P < 0.001), cognitive (Δ = 9.16 units; P = 0.032) and social functioning (Δ = 11.67 units; P = 0.038), compared with the UC group. Similarly, Exercise group exhibited significant lower levels of fatigue (Δ = -20.19 units; P < 0.001) and appetite loss (Δ = -13.69 units; P = 0.034), compared with the UC group. Significant between-group differences were observed on MVHS of the tumor/surgery upper limb side (Δ = 2.64 kg; P < 0.001) and contralateral limb (Δ = 2.22 kg; P < 0.001), and on the 30-s CST score (Δ = 3.56repetitions; P < 0.001), favoring the Exercise group. No differences were observed on QLQ-BR23 domains., Conclusions: Exercise training was an effective complementary therapy to prevent the deterioration of HRQoL and functional capacity during chemotherapy in women with early-stage BC., (Copyright © 2023 by the American College of Sports Medicine.)
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- 2024
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19. Effect of physical exercise on immune, inflammatory, cardiometabolic biomarkers, and fatty acids of breast cancer survivors: results from the MAMA_MOVE Gaia After Treatment trial.
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Joaquim A, Góis A, Soares A, Garcia C, Amarelo A, Antunes P, Afreixo V, Geraldes V, Capela A, Viamonte S, Alves AJ, Ferreira HB, Guerra I, Afonso AI, Domingues MR, and Helguero LA
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- Humans, Female, Quality of Life, Fatty Acids, Exercise, Biomarkers, Cytokines, Breast Neoplasms therapy, Cancer Survivors, Cardiovascular Diseases
- Abstract
Purpose: Physical exercise has positive effects on clinical outcomes of breast cancer survivors such as quality of life, fatigue, anxiety, depression, body mass index, and physical fitness. We aimed to study its impact on immune, inflammatory, cardiometabolic, and fatty acids (FA) biomarkers., Methods: An exploratory sub-analysis of the MAMA_MOVE Gaia After Treatment trial (NCT04024280, registered July 18, 2019) was performed. Blood sample collections occurred during the control phase and at eight weeks of the intervention phase. Samples were subjected to complete leukocyte counts, cytokine, and cardiometabolic marker evaluation using flow cytometry, enzyme-linked immunoassays, and gas chromatography., Results: Ninety-three percent of the 15 participants had body mass index ≥ 25 kg/m
2 . We observed a decrease of the plasmatic saturated FA C20:0 [median difference - 0.08% (p = 0.048); mean difference - 0.1 (95%CI - 0.1, - 0.0)], positively associated with younger ages. A tendency to increase the saturated FA C18:0 and the ratio of unsaturated/saturated FA and a tendency to decrease neutrophils (within the normal range) and interferon-gamma were observed., Conclusions: Positive trends of physical exercise on circulating immune cells, inflammatory cytokines, and plasmatic FA were observed. Larger studies will further elucidate the implications of physical exercise on metabolism. These exploratory findings may contribute to future hypothesis-driven research and contribute to meta-analyses., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)- Published
- 2024
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20. Sixty years of the Bruce protocol: reappraising the contemporary role of exercise stress testing with electrocardiographic monitoring.
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Vilela EM, Oliveira C, Oliveira C, Torres S, Sampaio F, Primo J, Ribeiro J, Teixeira M, Oliveira M, Bettencourt N, Viamonte S, and Fontes-Carvalho R
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The cardiovascular response to exercise has long been a focus of interest. Over a century ago, the first descriptions of electrocardiographic changes occurring during exercise highlighted the possible relevance of this dynamic assessment. In this background, the inception of the Bruce protocol circa 60 years ago allowed for a major leap in this field by providing a standardized framework with which to address this issue, by means of an integrated and structured methodology. Since then, exercise stress testing with electrocardiographic monitoring (ExECG) has become one of the most widely appraised tests in cardiovascular medicine. Notably, past few decades have been profoundly marked by substantial advances in the approach to cardiovascular disease, challenging prior notions concerning both its physiopathology and overall management. Among these, the ever-evolving presentations of cardiovascular disease coupled with the development and implementation of several novel diagnostic modalities (both invasive and noninvasive) has led to a shifting paradigm in the application of ExECG. This technique, however, has continuously shown to be of added value across various momentums of the cardiovascular continuum, as depicted in several contemporary guidelines. This review provides a pragmatical reflexion on the development of ExECG, presenting a comprehensive overview concerning the current role of this modality, its challenges, and its future perspectives., (Copyright © 2023 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of PBJ-Associação Porto Biomedical/Porto Biomedical Society.)
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- 2023
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21. Effects of exercise training on cardiac toxicity markers in women with breast cancer undergoing chemotherapy with anthracyclines: a randomized controlled trial.
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Antunes P, Joaquim A, Sampaio F, Nunes C, Ascensão A, Vilela E, Teixeira M, Capela A, Amarelo A, Marques C, Viamonte S, Alves A, and Esteves D
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- Humans, Female, Anthracyclines adverse effects, Cardiotoxicity, Stroke Volume, Ventricular Function, Left, Exercise, Breast Neoplasms drug therapy
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Aims: Exercise training has been suggested to prevent anthracycline-related cardiac dysfunction, but clinicalbased evidence is scarce. We investigated the effects of a supervised exercise training programme (SETP) on cardiac toxicity markers in women with breast cancer (BC) receiving anthracycline-containing chemotherapy., Methods and Results: Ninety-three women with early-stage breast cancer were randomly allocated to a supervised exercise training programme (SETP) plus usual care group (Exercise, n = 47) or usual care alone group (UC, n = 46). The SETP consisted of three sessions per week, combining aerobic and resistance training, conducted concurrently across the anthracycline-containing chemotherapy length. The primary endpoint was the change in left ventricular ejection fraction (LVEF) from baseline to the end of anthracycline cycles. Secondary endpoints included global longitudinal strain (GLS) and other conventional echocardiographic parameters, cardiorespiratory fitness (estimated peak VO2), circulating biomarkers (NT-proBNP, hs-TnT), and safety of the SETP. The study endpoints were also assessed 3 months after the end of anthracycline cycles. All patients were prescribed four cycles of doxorubicin plus cyclophosphamide (AC). No significant between-group differences in LVEF change were seen at the end of AC [mean difference: 0.7%; 95% confidence interval (CI): -0.8, 2.3; P = 0.349] and 3 months after AC (1.1%; 95% CI: -0.5, 2.6; P = 0.196). Compared to the usual care (UC) group, the estimated peak VO2 increased in the Exercise group at the end of AC (1.6 mL O2·kg-1·min-1; 95% CI: 0.06, 3.1; P = 0.041) and 3 months after AC (3.1 mL O2·kg-1·min-1; 95% CI: 1.4, 4.7; P < 0.001). No between-group differences were found in the remaining secondary endpoints. No serious adverse events were observed during SETP., Conclusion: Exercise training was safe during chemotherapy and significantly improved cardiorespiratory fitness. No significant effects were seen on cardiac toxicity markers (LVEF or GLS) as compared to the usual care., Trial Registration: Mama Move Gaia on treatment trial ISRCTN32617901., Competing Interests: Conflict of interest: None declared., (© The Author(s) 2023. Published by Oxford University Press on behalf of the European Society of Cardiology. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
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- 2023
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22. Effects of walking football on adherence, safety, quality of life and physical fitness in patients with prostate cancer: Findings from the PROSTATA_MOVE randomized controlled trial.
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Capela A, Antunes P, Coelho CA, Garcia CL, Custódio S, Amorim R, Costa T, Vilela E, Teixeira M, Amarelo A, Silva J, Joaquim A, Viamonte S, Brito J, and Alves AJ
- Abstract
Aims: To analyze the feasibility and impact of a walking football (WF) program on quality of life (QoL), cardiorespiratory fitness (CRF), muscle strength, and balance program in men with prostate cancer under androgen deprivation therapy (ADT)., Methods: Fifty patients with prostate cancer (stages IIb-IVb) under ADT were randomized to a 16-week WF program plus usual care (n=25) or usual care control group (n=25). The WF program consisted of three 90-minute sessions per week. Recruitment, withdrawal, adherence, enjoyment rate, and safety of the intervention were recorded throughout the study. Cardiorespiratory fitness was assessed before and after the interventions, while handgrip strength, lower limb muscle strength, static balance, and QoL were assessed before, during (week 8), and after (week 16) the interventions. Adverse events during sessions were also recorded., Results: The WF group showed high levels of adherence (81.6 ± 15.9%) and enjoyment rate (4.5 ± 0.5 out of 5 points). In the intention-to-treat analysis, the WF group showed an improvement in chair sit-to-stand (p=0.035) compared to the control group. Within-group comparisons showed that handgrip strength in the dominant upper limb (p=0.024), maximal isometric muscle strength in the non-dominant lower limb (p=0.006), and balance in the dominant limb (p=0.009) improved over time in the WF group but not in the usual care group. The results obtained from the per-protocol analysis indicate that CRF improved significantly in the WF group as compared to the control group ( p =0.035). Within-group analysis revealed that CRF ( p =0.036), muscle strength in dominant ( p =0.006) and non-dominant ( p =0.001) lower limbs, and balance in the non-dominant lower limb ( p =0.023) improved after 16 weeks of WF, but not in the control group. One major traumatic injury (muscle tear) was reported with a complete recovery before the end of the intervention., Conclusion: This study suggests that WF is feasible, safe, and enjoyable in patients with prostate cancer under hormonal therapy. Furthermore, patients who adhere to the WF program can expect cardiorespiratory fitness, muscle strength, and balance improvements., Clinical Trials Registration: clinicaltrials.gov, identifier NCT04062162., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Capela, Antunes, Coelho, Garcia, Custódio, Amorim, Costa, Vilela, Teixeira, Amarelo, Silva, Joaquim, Viamonte, Brito and Alves.)
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- 2023
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23. Maximal Exercise Improves the Levels of Endothelial Progenitor Cells in Heart Failure Patients.
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Cavalcante S, Viamonte S, Cadilha RS, Ribeiro IP, Gonçalves AC, Sousa-Venâncio J, Gouveia M, Teixeira M, Santos M, Oliveira J, and Ribeiro F
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The impact of exercise on the levels of endothelial progenitor cells (EPCs), a marker of endothelial repair and angiogenesis, and circulating endothelial cells (CECs), an indicator of endothelial damage, in heart failure patients is largely unknown. This study aims to evaluate the effects of a single exercise bout on the circulating levels of EPCs and CECs in heart failure patients. Thirteen patients with heart failure underwent a symptom-limited maximal cardiopulmonary exercise test to assess exercise capacity. Before and after exercise testing, blood samples were collected to quantify EPCs and CECs by flow cytometry. The circulating levels of both cells were also compared to the resting levels of 13 volunteers (age-matched group). The maximal exercise bout increased the levels of EPCs by 0.5% [95% Confidence Interval, 0.07 to 0.93%], from 4.2 × 10
-3 ± 1.5 × 10-3 % to 4.7 × 10-3 ± 1.8 × 10-3 % ( p = 0.02). No changes were observed in the levels of CECs. At baseline, HF patients presented reduced levels of EPCs compared to the age-matched group ( p = 0.03), but the exercise bout enhanced circulating EPCs to a level comparable to the age-matched group (4.7 × 10-3 ± 1.8 × 10-3 % vs. 5.4 × 10-3 ± 1.7 × 10-3 %, respectively, p = 0.14). An acute bout of exercise improves the potential of endothelial repair and angiogenesis capacity by increasing the circulating levels of EPCs in patients with heart failure.- Published
- 2023
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24. Impact of physical exercise programs in breast cancer survivors on health-related quality of life, physical fitness, and body composition: Evidence from systematic reviews and meta-analyses.
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Joaquim A, Leão I, Antunes P, Capela A, Viamonte S, Alves AJ, Helguero LA, and Macedo A
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Background: Breast cancer is the most common cancer worldwide, and despite remarkable progress in its treatment, the survivors' quality of life is hampered by treatment-related side effects that impair psychosocial and physiological outcomes. Several studies have established the benefits of physical exercise in breast cancer survivors in recent years. Physical exercise reduces the impact of treatment-related adverse events to promote a better quality of life and functional outcomes., Aim: This study aims to provide an overview of systematic reviews and meta-analyses on the effect of physical exercise on the health-related quality of life, cardiorespiratory fitness, muscle strength, and body composition of breast cancer survivors., Methods: PubMed and Cochrane databases were searched for systematic reviews and meta-analyses from January 2010 to October 2022. The main focus was ascertaining the effectiveness of physical exercise in breast cancer survivors undergoing curative treatment (surgery and/or radiotherapy and/or chemotherapy). Two reviewers independently screened the literature, extracted the data, and assessed the risk of bias in the included studies., Results: A total of 101 studies were identified, and 12 were yielded for final analysis. The eligible studies included nine systematic reviews/meta-analyses, one meta-analysis/meta-regression, and two systematic reviews. The number of randomised clinical trials included in each review varied from 11 to 63, and the number of participants was from 214 to 5761. A positive and significant effect of different physical exercise interventions on health-related quality of life was reported in 83.3% (10 studies) of the eligible studies. Physical exercise also improved cardiorespiratory fitness (3 studies; 25%) and showed to be effective in reducing body weight (3 studies; 25%) and waist circumference (4 studies; 33.3%)., Conclusions: Our results suggest that physical exercise is an effective strategy that positively affects breast cancer survivors' quality of life, cardiorespiratory fitness, and body composition. Healthcare professionals should foster the adoption of physical exercise interventions to achieve better health outcomes following breast cancer treatments., Systematic Review Registration: https://inplasy.com/inplasy-2022-11-0053/, identifier INPLASY2022110053., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Joaquim, Leão, Antunes, Capela, Viamonte, Alves, Helguero and Macedo.)
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- 2022
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25. Acute Impact of Cancer Treatment on Head and Neck Cancer Patients: FIT4TREATMENT.
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Leão I, Garcia C, Antunes P, Campolargo A, Dias I, Coimbra E, Oliveira P, Zenha H, Costa H, Capela A, Viamonte S, Alves AJ, and Joaquim A
- Abstract
Head and neck cancer (HNC) treatment's toxicities impact several health domains. Exercise training (ET) may be beneficial. This prospective observational study (NCT04996147) aimed to analyse the acute impact of HNC curative multimodal treatment on health-related quality of life (HRQoL), nutritional status, physical and cognitive functions, and ET preferences. Eighteen patients with stage III/IV HNC were evaluated at baseline (T0), and 10 patients were evaluated at the end of treatment (T1), 7 of them after radical chemoradiotherapy (rCRT). At T0, the majority referred a good HRQoL on the EORTC QLQ-C30 questionnaire (median score: 70.8), were moderately malnourished or at risk of malnutrition (78%), recognized the benefits of an ET program, and were willing to participate (78%). After rCRT, there was worsening in HRQoL (75 vs. 50 score, p = 0.014), dysphagia severity (Eating Assessment Tool: 7 vs. 31, p = 0.027; Functional Oral Intake Scale: 6 vs. 4, p = 0.041), handgrip strength (dominant: 40.9 vs. 35.8 kgf, p = 0.027; nondominant: 37.2 vs. 33.9 kgf, p = 0.043), and nutritional status (Patient-Generated Subjective Global Assessment: 7 vs. 18, p = 0.028). HNC patients subjected to radical treatment represent a vulnerable population that might benefit from multimodal supportive care strategies including an ET program.
- Published
- 2022
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26. Reduced Levels of Circulating Endothelial Cells and Endothelial Progenitor Cells in Patients with Heart Failure with Reduced Ejection Fraction.
- Author
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Lopes J, Teixeira M, Cavalcante S, Gouveia M, Duarte A, Ferreira M, Simões MI, Conceição M, Ribeiro IP, Gonçalves AC, Schmidt C, de Jesus BB, Almeida R, Viamonte S, Santos M, and Ribeiro F
- Subjects
- Biomarkers, Hematopoietic Stem Cells, Humans, Stroke Volume, Cardiovascular Diseases, Endothelial Progenitor Cells, Heart Failure
- Abstract
Background: Endothelial dysfunction has been suggested as a potential mechanism contributing to the development and progression of heart failure (HF). Levels of circulating endothelial cells (CECs), endothelial progenitor cells (EPCs), and hematopoietic stem and progenitor cells (HSPCs) have been recognized as useful markers of vascular damage and endothelial repair in response to tissue injury., Aims: To evaluate the circulating levels of EPCs, CECs, and HSPCs among patients with HF with reduced ejection fraction (HFrEF)., Methods: In 82 individuals (42 patients with HFrEF and 42 age-matched subjects without established cardiovascular disease), peripheral blood was drawn and levels of EPCs, CECs, and HSPCs were quantified by flow cytometry., Results: Patients with HFrEF showed lower levels of circulating EPCs (5.28 × 10
-3 ± 6.83 × 10-4 % vs. 7.76 × 10-3 ± 4.91 × 10-4 %, p ≤0.001) and CECs (5.11 × 10-3 ± 7.87 × 10-4 % vs. 6.51 × 10-3 ± 5.21 × 10-4 %, p = 0.005) when compared to the age-matched group. Circulating levels of HSPCs were not significantly different between groups (p = 0.590). Additionally, the number of EPCs and CECs was significantly higher in HFrEF patients with overweight/obesity (n = 24) compared to patients with normal weight (n = 17)., Conclusion: Circulating levels of EPCs and CECs were significantly decreased in patients with HFrEF in comparison to age-matched subjects without established cardiovascular disease, suggesting that the levels of CECs and EPCs may be potential biomarkers of the cellular response to vascular injury in patients with HFrEF., (Copyright © 2022 Instituto Mexicano del Seguro Social (IMSS). Published by Elsevier Inc. All rights reserved.)- Published
- 2022
- Full Text
- View/download PDF
27. Current role and future perspectives of cardiac rehabilitation in coronary heart disease.
- Author
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Vilela EM, Ladeiras-Lopes R, Joao A, Braga J, Torres S, Viamonte S, Ribeiro J, Teixeira M, Nunes JP, and Fontes-Carvalho R
- Abstract
Ischaemic heart disease (IHD) is a major cause of morbidity and mortality worldwide. While there have been major advances in this field, these patients are still a higher risk subgroup. As such, strategies to mitigate risk and tailor secondary prevention measures are of the utmost relevance. Cardiac rehabilitation (CR), encompassing several domains including exercise training, cardiovascular risk factor optimization, nutritional and psychological assessments, as well as other ancillary interventions has shown to be one of the pillars in the contemporary management of patients with IHD. Indeed, CR is associated with several benefits in this population, ranging from functional capacity to improvements in outcomes. Whilst this, there are still several issues concerning the optimal application of CR which are still not fully ascertained, such as lack of referral and completion, as well as questions related to programme design (particularly among patients with multiple comorbidities). In this review, we aim at presenting a pragmatic overview on the current role of CR in the management of individuals with IHD, while also discussing some of the caveats in the current data, as well as future concepts which could help improve the uptake and personalization of this pivotal time-tested intervention., Competing Interests: Conflict-of-interest statement: All authors declare that there are no conflicts on interest., (©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.)
- Published
- 2021
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28. Glittre Activities Daily Living Test: Physiological responses in patients with heart failure.
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Almeida MP, Montanha T, Marques M, Silva PM, Viamonte S, Ribeiro F, and Santos M
- Published
- 2021
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29. Effects of exercise on endothelial progenitor cells in patients with cardiovascular disease: A systematic review and meta-analysis of randomized controlled trials.
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Cavalcante SL, Lopes S, Bohn L, Cavero-Redondo I, Álvarez-Bueno C, Viamonte S, Santos M, Oliveira J, and Ribeiro F
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- Aged, Female, Flow Cytometry, Humans, Male, Middle Aged, Cardiac Rehabilitation, Cardiovascular Diseases physiopathology, Cardiovascular Diseases therapy, Endothelial Progenitor Cells physiology, Exercise Therapy
- Abstract
The therapeutic potential of exercise training in the mobilization of endothelial progenitor cells (EPCs) into the peripheral blood in patients with cardiovascular disease is not yet clear. A systematic review and meta-analysis was performed in order to assess the effectiveness of exercise training in increasing the number of circulating EPCs in patients with cardiovascular disease. A literature search was conducted across the PubMed, Scopus, Web of Science and EBSCO databases, including the reference lists of relevant papers. The quality of randomized clinical trials was evaluated using the PEDro scale. The primary outcome data were circulating EPC levels. Six studies (236 participants) - three on heart failure (n=111), one on peripheral arterial disease (n=40) and two on coronary artery disease (n=85) - were included. There was an increase in EPC levels in the exercise training groups (effect size [ES]=0.57; 95% CI: 0.01-1.12), with considerable heterogeneity (I
2 =75.6%; p<0.001). In subgroup analyses, patients with heart failure showed a significant increase in EPCs in the exercise training groups (ES=0.52; 95% CI: 0.15-0.90), with low heterogeneity (I2 =0.0%; p=0.648), while no significant increase (ES=0.67; 95% CI: -0.70-2.04; I2 =91.2%; p<0.001) was observed in patients with arterial disease. The only study in patients with peripheral arterial disease showed a significant increase in EPC levels. This meta-analysis indicates that exercise training may be a therapeutic option to improve EPC levels and potentially to enhance endothelial function and repair in patients with heart failure., (Copyright © 2020. Publicado por Elsevier España, S.L.U.)- Published
- 2019
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30. [Predictors of changes in functional capacity on a cardiac rehabilitation program].
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Branco CF, Viamonte S, Matos C, Magalhães S, Cunha I, Barreira A, Fernandes P, and Torres S
- Subjects
- Aged, Cardiovascular Diseases, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Retrospective Studies, Risk Factors, Treatment Outcome, Cardiac Rehabilitation
- Abstract
Introduction: The effectiveness of cardiac rehabilitation programs (CRP) strongly influences the recovery of functional capacity (FC), resulting in improved prognosis and survival., Objective: To determine the cardiovascular risk factors that predict changes in FC in patients on CRP., Methods: We performed a cross-sectional descriptive retrospective study of patients who began a CRP between January 2008 and December 2013. The dependent variable was changes in FC estimated in metabolic equivalents (METs) achieved in stress testing at the beginning and end of the phase II program. The independent variables were age, gender, dyslipidemia, diabetes, smoking, body mass index, physical activity level and reason for referral to the CRP., Results: The sample included 1399 patients, of whom 1125 (80.4%) completed the program. FC improved in most patients (93%), with a mean gain of 1.45 ± 1.19 METs. Patients aged 45 -65 and over 65 years achieved a greater increase in FC compared with other age groups. Patients admitted to the CRP after coronary artery bypass graft surgery obtained a greater improvement in FC compared to patients with acute coronary syndrome. Non-diabetic patients benefited more than diabetic patients. No significant differences were seen between the groups in the other variables., Conclusion: This study highlights the need for new and individualized approaches in certain subgroups of patients on CRP., (Copyright © 2015 Sociedade Portuguesa de Cardiologia. Published by Elsevier España. All rights reserved.)
- Published
- 2016
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31. Cardiac Rehabilitation after an Acute Coronary Syndrome: The Impact in Elderly Patients.
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Rodrigues P, Santos M, Sousa MJ, Brochado B, Anjo D, Barreira A, Preza-Fernandes J, Palma P, Viamonte S, and Torres S
- Subjects
- Aged, Aged, 80 and over, Body Mass Index, Exercise Test, Female, Humans, Male, Middle Aged, Prospective Studies, Quality of Life, Risk Factors, Surveys and Questionnaires, Acute Coronary Syndrome rehabilitation, Cholesterol, HDL blood, Cholesterol, LDL blood, Exercise Therapy methods
- Abstract
Introduction: Cardiac rehabilitation (CR) has been shown to decrease mortality and morbidity, improve the control of risk factors and the quality of life of patients with coronary artery disease. However, the elderly are underrepresented in most studies and in real-life CR programs. Our goal was to evaluate the impact of CR after an acute coronary syndrome in the elderly population., Methods: A cutoff of 65 years was used to dichotomize age. Our main focus was on the effects of ambulatory supervised exercise training on several surrogate markers, namely total cholesterol, low- and high-density lipoprotein cholesterol, triglycerides, body mass index, fasting glucose, glycated hemoglobin, probrain natriuretic peptide, International Physical Activity Questionnaire score, maximal exercise capacity, chronotropic response index and heart rate recovery. We evaluated those variables at the beginning and at the end of phase II of the CR program (after 3 months) and repeated the treadmill test at 12 months., Results: A total of 548 patients with a recent acute coronary syndrome were enrolled; 37% were 65 years old or older. Both age groups had a statistically significant improvement in all the evaluated parameters. Interestingly, at 12 months both groups maintained the improvement in functional capacity seen immediately after 3 months., Conclusions: The benefits of CR in terms of functional capacity, metabolic profile and other prognostic parameters were significant in both younger and older patients. Therefore, all eligible patients should be referred to CR programs, irrespective of age., (© 2015 S. Karger AG, Basel.)
- Published
- 2015
- Full Text
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32. Cardiac rehabilitation in patients with type 2 diabetes mellitus and coronary disease: a comparative study.
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Toste S, Viamonte S, Barreira A, Fernandes P, Lopes Gomes J, and Torres S
- Subjects
- Cardiovascular Diseases, Female, Humans, Male, Middle Aged, Prospective Studies, Risk Factors, Cardiac Rehabilitation, Coronary Artery Disease complications, Coronary Artery Disease rehabilitation, Diabetes Mellitus, Type 2 complications, Diabetic Angiopathies rehabilitation, Diabetic Cardiomyopathies rehabilitation
- Abstract
Introduction and Aims: Diabetic patients have a 2-4 times higher risk of cardiovascular disease than non-diabetic individuals. The aims of this study are to evaluate the effects of a cardiac rehabilitation program (phase II) in patients with diabetes and coronary disease and to compare the results with regard to control of cardiovascular risk factors and improvement in functional capacity with coronary patients without diabetes., Methods: This was a prospective study of patients diagnosed with ischemic heart disease referred for a cardiac rehabilitation program between January 2009 and June 2013. The population was divided into two groups: diabetic and non-diabetic. Patients were assessed at the beginning of phase II and three months later and the following parameters were recorded: body mass index, waist circumference, lipid profile, blood glucose and glycated hemoglobin in diabetic patients, blood pressure, smoking, physical activity level (using the International Physical Activity Questionnaire) and functional capacity (on treadmill stress testing)., Results: The study population consisted of 682 patients (253 diabetic and 429 non-diabetic). Diabetic patients were significantly older, had a worse cardiovascular risk profile (higher prevalence of overweight, dyslipidemia, hypertension and sedentary lifestyle) and lower functional capacity. At the end of phase II, there was a statistically significant improvement (p<0.05) in all risk factors and functional capacity, which was similar in both groups, except for body mass index, triglycerides and functional capacity., Conclusions: Diabetic patients may benefit from a cardiac rehabilitation program and achieve comparable results to non-diabetic patients., (Copyright © 2013 Sociedade Portuguesa de Cardiologia. Published by Elsevier España. All rights reserved.)
- Published
- 2014
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33. The benefits of cardiac rehabilitation in coronary heart disease: a gender issue?
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Anjo D, Santos M, Rodrigues P, Brochado B, Sousa MJ, Barreira A, Viamonte S, Fernandes P, Reis AH, Lopes Gomes J, and Torres S
- Subjects
- Female, Humans, Middle Aged, Retrospective Studies, Risk Factors, Sex Factors, Coronary Artery Disease rehabilitation, Women's Health statistics & numerical data
- Abstract
Introduction and Objectives: Coronary heart disease is the leading cause of death in women worldwide and several studies have shown that they are under-represented in cardiac rehabilitation therapy. The objectives of this study were to assess the prevalence of women in a cardiac rehabilitation program and to assess their response to this intervention., Methods: This is a retrospective study of 858 patients who attended an exercise-based cardiac rehabilitation program after an acute coronary syndrome or elective percutaneous coronary intervention, between January 2008 and December 2012. The patients were analyzed by gender, and the impact of the intervention on cardiovascular risk factors and NT-proBNP was studied. In a subgroup of 386 patients the impact on functional capacity, resting heart rate, chronotropic index and heart rate recovery was also analyzed., Results: Only 24% of the 858 patients who attended the program were women. Women showed statistically significant improvements in all cardiovascular risk factors, NT-proBNP, functional capacity and heart rate recovery (p<0.05) after the program. There were also improvements in resting heart rate and chronotropic index, but these were not statistically significant (p=0.08 and p=0.40, respectively) and when the improvements in these two parameters were compared between genders, there was no statistically significant difference (p=0.33 and p=0.17, respectively)., Conclusions: Only 24% of the patients attending the program were women. We found that they benefited from cardiac rehabilitation therapy, with significant improvements in cardiovascular risk factors and in most of the prognostic markers studied., (Copyright © 2013 Sociedade Portuguesa de Cardiologia. Published by Elsevier España. All rights reserved.)
- Published
- 2014
- Full Text
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34. [What factors determine the levels of physical activity after cardiac rehabilitation program?].
- Author
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Soares D, Viamonte S, Magalhães S, Ribeiro MM, Barreira A, Fernandes P, and Torres S
- Subjects
- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Myocardial Ischemia physiopathology, Prospective Studies, Time Factors, Motor Activity, Myocardial Ischemia rehabilitation
- Abstract
Introduction: The Cardiac Rehabilitation Programs have gained tremendous importance in the prevention of cardiovascular disease and it's a challenge to ensure the practice of regular exercise during and after the supervised program. The aim of this study was to determine the factors that influence the physical activity habits at 12 months after the Cardiac Rehabilitation Program., Material and Methods: Prospective study, including 580 patients with ischemic heart disease who were consecutively oriented for Cardiac Rehabilitation Program at Cardiovascular Prevention and Rehabilitation Unit of Centro Hospitalar do Porto, between January 2008 and June 2011. Physical activity levels were measured with International Physical Activity Questionnaire which was calculated at the beginning of the program, 3 and 12 months later. The following variables were chosen and tested as potential determinants of physical activity habits of 12 months after program: age; sex; modifiable risk factors; functional capacity (achieved in treadmill stress test); laboratory analysis (HbA1c, lipid profile, C-Reactive Protein and Brain Natriuretic Peptide). A linear regression analysis was carried to identify the significant determinants and to find the best model adjustment., Results: Advanced age, female gender, functional capacity and low levels of physical activity prior to the Cardiac Rehabilitation Program, as well as a weak evolution of the International Physical Activity Questionnaire during the program were the best univariable predictors of a less favourable evolution of the International Physical Activity Questionnaire during 12 months of follow-up. A multivariable linear regression analysis showed that the best explanatory model included age, gender and evolution of the International Physical Activity Questionnaire during the supervised program (R2 Adj. = 0.318; f = 60.62, p < 0.001)., Conclusion: The identification of certain subgroups of patients with lower tendency toward physical activity is beneficial to enable timely and individualized strategies to maximize the therapeutic and preventive potential of the Cardiac Rehabilitation Programs.
- Published
- 2013
35. [Long-term effects of a cardiac rehabilitation program in the control of cardiovascular risk factors].
- Author
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Magalhães S, Viamonte S, Miguel Ribeiro M, Barreira A, Fernandes P, Torres S, and Lopes Gomes J
- Subjects
- Adult, Aged, Aged, 80 and over, Coronary Disease rehabilitation, Female, Follow-Up Studies, Humans, Male, Middle Aged, Prospective Studies, Risk Factors, Time Factors, Cardiovascular Diseases prevention & control
- Abstract
Introduction: Cardiac rehabilitation programs are designed to improve patients' functional capacity, as well as to educate them and to monitor their cardiovascular risk factors., Aim: The study aims to evaluate the effects of cardiac rehabilitation programs in patients with coronary disease over a 12-month follow-up period with regard to control of cardiovascular risk factors., Methods: This was a prospective study of patients diagnosed with coronary disease who completed an exercise-based cardiac rehabilitation program between January 2008 and December 2009 and who were not lost to follow-up. Patients were evaluated at an early stage (first medical consultation in phase II of the program) and 3, 6 and 12 months later, the following parameters being assessed: weight and body mass index, waist circumference, lipid profile, HbA1c in diabetic patients, blood pressure, smoking status and physical activity (using the International Physical Activity Questionnaire)., Results: In the sample of 256 patients (76.2% male, mean age 67 years), dyslipidemia proved to be the most prevalent risk factor (74.2%), followed by overweight (71.5%). There was a statistically significant improvement (p<0,05) in all risk factors studied at the end of phase II of the program, which was maintained at 6 and 12 months of follow-up, with the exception of body mass index (loss of statistical significance at 6-month assessment, p=0,92)., Conclusion: This study highlights the need for cardiac rehabilitation programs in the context of secondary prevention of cardiovascular disease and the importance of implementing strategies that promote long-term maintenance of their benefits., (Copyright © 2012 Sociedade Portuguesa de Cardiologia. Published by Elsevier España. All rights reserved.)
- Published
- 2013
- Full Text
- View/download PDF
36. Driving-Related Cognitive Performance in Older Adults with Pharmacologically Treated Cardiovascular Disease.
- Author
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Viamonte S, Vance D, Wadley V, Roenker D, and Ball K
- Abstract
The objective of this study was to determine if older drivers with pharmacologically treated hypertension and/or heart disease demonstrate impaired performance on established driving related cognitive measures. Data regarding self-reported demographic variables (i.e., age, sex, race, income, mental and physical health diagnoses, and prescription drug use) and performance on driving-related measures of cognitive function (i.e., Trail Making Test B; and Useful Field of View (UFOV® subtest 2) were gathered from 865 licensed drivers. No group cognitive performance differences were found among the treated hypertensives and the healthy control group, thus underscoring the importance of effective hypertension management. However, older adults with pharmacologically treated heart disease demonstrated poorer performance than older adults without heart disease on Trails B and UFOV® subtest 2. Although it is generally agreed that assessment and early intervention with regard to heart disease risk factors (i.e., cholesterol, tobacco smoking, obesity, etc.) beneficially affect physical health, the current results also indicate that addressing such risk factors prior to the development of heart disease may benefit cognitive function, as well.
- Published
- 2010
- Full Text
- View/download PDF
37. Change blindness, aging, and cognition.
- Author
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Rizzo M, Sparks J, McEvoy S, Viamonte S, Kellison I, and Vecera SP
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- Adult, Age Factors, Aged, Aged, 80 and over, Alzheimer Disease physiopathology, Alzheimer Disease psychology, Blindness, Cognition Disorders psychology, False Positive Reactions, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Photic Stimulation methods, Reaction Time physiology, Young Adult, Aging physiology, Aging psychology, Awareness, Cognition physiology, Visual Acuity physiology, Visual Perception physiology
- Abstract
Change blindness (CB), the inability to detect changes in visual scenes, may increase with age and early Alzheimer's disease (AD). To test this hypothesis, participants were asked to localize changes in natural scenes. Dependent measures were response time (RT), hit rate, false positives (FP), and true sensitivity (d'). Increased age correlated with increased sensitivity and RT; AD predicted even slower RT. Accuracy and RT were negatively correlated. Differences in FP were nonsignificant. CB correlated with impaired attention, working memory, and executive function. Advanced age and AD were associated with increased CB, perhaps due to declining memory and attention. CB could affect real-world tasks, like automobile driving.
- Published
- 2009
- Full Text
- View/download PDF
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