36 research outputs found

    Mechanical efficiency of high versus moderate intensity aerobic exercise in coronary heart disease patients: A randomized clinical trial

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    Background: Mechanical efficiency (ME) refers to the ability of an individual to transfer energy consumed by external work. A decreased ME, could represent an increased energy cost during exercise and may, therefore, be limited in terms of physical activity. This study aimed to compare the influence of two different exercise protocols: moderate continuous training (MCT) versus high intensity interval training (HIIT), as part of a cardiac rehabilitation program on ME values among coronary patients.  Methods: One hundred and ten coronary patients were assigned to either HIIT or MCT groups for 8 weeks. Incremental exercise tests in a cycle ergometer were performed to obtain VO2peak. Net energy expenditure (EE) and ME were obtained at intensities corresponding to the first (VT1) and second (VT2) ventilatory thresholds, and at VO2peak. Results: Both exercise programs significantly increase VO2peak with a higher increase in the HIIT group (2.96 ± 2.33 mL/kg/min vs. 3.88 ± 2.40 mL/kg/min, for patients of the MCT and HIIT groups, respectively, p < 0.001). The ME at VO2peak and VT2 only significantly increased in the HIIT group. At VT1, ME significantly increased in both groups, with a greater increase in the HIIT group (2.20 ± ± 6.25% vs. 5.52 ± 5.53%, for patients of the MCT and HIIT groups, respectively, p < 0.001).  Conclusions: The application of HIIT to patients with chronic ischemic heart disease of low risk re- sulted in a greater improvement in VO2peak and in ME at VT1, than when MCT was applied. Moreover, only the application of HIIT brought about a significant increase in ME at VT2 and at VO2peak.

    Mechanical efficiency of high versus moderate intensity aerobic exercise in coronary heart disease patients: A randomized clinical trial.

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    Background: Mechanical efficiency (ME) refers to the ability of an individual to transfer energy consumed by external work. A decreased ME, could represent an increased energy cost during exercise and may, therefore, be limited in terms of physical activity. This study aimed to compare the influence of two different exercise protocols: moderate continuous training (MCT) versus high intensity interval training (HIIT), as part of a cardiac rehabilitation program on ME values among coronary patients. Methods: One hundred and ten coronary patients were assigned to either HIIT or MCT groups for 8 weeks. Incremental exercise tests in a cycle ergometer were performed to obtain VO2peak. Net energy expenditure (EE) and ME were obtained at intensities corresponding to the first (VT1) and second (VT2) ventilatory thresholds, and at VO2peak. Results: Both exercise programs significantly increase VO2peak with a higher increase in the HIIT group (2.96 ± 2.33 mL/kg/min vs. 3.88 ± 2.40 mL/kg/min, for patients of the MCT and HIIT groups, respectively, p < 0.001). The ME at VO2peak and VT2 only significantly increased in the HIIT group. At VT1, ME significantly increased in both groups, with a greater increase in the HIIT group (2.20 ± ± 6.25% vs. 5.52 ± 5.53%, for patients of the MCT and HIIT groups, respectively, p < 0.001). Conclusions: The application of HIIT to patients with chronic ischemic heart disease of low risk resulted in a greater improvement in VO2peak and in ME at VT1, than when MCT was applied. Moreover, only the application of HIIT brought about a significant increase in ME at VT2 and at VO2peak. (Cardiol J 2019; 26, 2: 130–137)post-print251 K

    El impacto de los planes de igualdad en las empresas

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    El Ministerio de Igualdad, actual Ministerio de Sanidad, Política Social e Igualdad, a través del Instituto de la Mujer, concedió el año 2009 una subvención para la realización del proyecto El impacto de los planes de igualdad en las empresas (i-PIEM) (no. de referencia 4/09), que se ha llevado a cabo durante el período 2010-2012. El proyecto ha sido desarrollado por el Grupo de Investigación Antígona del Departamento de Ciencia Política y Derecho Público de la Universidad Autónoma de Barcelona, bajo la dirección científica de la profesora Dra.Encarna Bodelón González.El objetivo general de la investigación ha sido mostrar el impacto que está teniendo la aplicación de los planes de igualdad en el ámbito de las empresas. Para alcanzar dicho objetivo se emplearon diferentes metodologías de investigación, resultado de ello, se presenta esta memoria final del proyecto i-PIEM.Como principales resultados del proyecto se ha creado una página web (http://planesdeigualdad.uab.cat) con informaciones diversas en torno a los planes de igualdad en las empresas, también se realizaron unas jornadas de reflexión, y con la colaboración de los participantes en dichas jornadas se elaboró un libro. Por último, cabe agradecer al Instituto de la Mujer la subvención concedida para la realización de este proyecto, así como la participación de todas las personas que colaboraron en la investigación a través de las entrevistas y/o en los grupos de discusión

    Pancreatic metastases from renal cell carcinoma. Postoperative outcome after surgical treatment in a Spanish multicenter study (PANMEKID)

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    Background: Renal Cell Carcinoma (RCC) occasionally spreads to the pancreas. The purpose of our study is to evaluate the short and long-term results of a multicenter series in order to determine the effect of surgical treatment on the prognosis of these patients. Methods: Multicenter retrospective study of patients undergoing surgery for RCC pancreatic metastases, from January 2010 to May 2020. Variables related to the primary tumor, demographics, clinical characteristics of metastasis, location in the pancreas, type of pancreatic resection performed and data on short and long-term evolution after pancreatic resection were collected. Results: The study included 116 patients. The mean time between nephrectomy and pancreatic metastases' resection was 87.35 months (ICR: 1.51-332.55). Distal pancreatectomy was the most performed technique employed (50 %). Postoperative morbidity was observed in 60.9 % of cases (Clavien-Dindo greater than IIIa in 14 %). The median follow-up time was 43 months (13-78). Overall survival (OS) rates at 1, 3, and 5 years were 96 %, 88 %, and 83 %, respectively. The disease-free survival (DFS) rate at 1, 3, and 5 years was 73 %, 49 %, and 35 %, respectively. Significant prognostic factors of relapse were a disease free interval of less than 10 years (2.05 [1.13-3.72], p 0.02) and a history of previous extrapancreatic metastasis (2.44 [1.22-4.86], p 0.01). Conclusions: Pancreatic resection if metastatic RCC is found in the pancreas is warranted to achieve higher overall survival and disease-free survival, even if extrapancreatic metastases were previously removed. The existence of intrapancreatic multifocal compromise does not always warrant the performance of a total pancreatectomy in order to improve survival. (C) 2021 The Authors. Published by Elsevier Ltd

    Repeated pancreatic resection for pancreatic metastases from renal cell Carcinoma: A Spanish multicenter study (PANMEKID)

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    Background and objectives: Recurrent isolated pancreatic metastasis from Renal Cell Carcinoma (RCC) after pancreatic resection is rare. The purpose of our study is to describe a series of cases of relapse of pancreatic metastasis from renal cancer in the pancreatic remnant and its surgical treatment with a repeated pancreatic resection, and to analyse the results of both overall and disease -free survival. Methods: Multicenter retrospective study of patients undergoing pancreatic resection for RCC pancreatic metastases, from January 2010 to May 2020. Patients were grouped into two groups depending on whether they received a single pancreatic resection (SPS) or iterative pancreatic resection. Data on short and long-term outcome after pancreatic resection were collected. Results: The study included 131 pancreatic resections performed in 116 patients. Thus, iterative pancreatic surgery (IPS) was performed in 15 patients. The mean length of time between the first pancreatic surgery and the second was 48.9 months (95 % CI: 22.2-56.9). There were no differences in the rate of postoperative complications. The DFS rates at 1, 3 and 5 years were 86 %, 78 % and 78 % vs 75 %, 50 % and 37 % in the IPS and SPS group respectively (p = 0.179). OS rates at 1, 3, 5 and 7 years were 100 %, 100 %, 100 % and 75 % in the IPS group vs 95 %, 85 %, 80 % and 68 % in the SPS group (p = 0.895). Conclusion: Repeated pancreatic resection in case of relapse of pancreatic metastasis of RCC in the pancreatic remnant is justified, since it achieves OS results similar to those obtained after the first resection

    Treatment with tocilizumab or corticosteroids for COVID-19 patients with hyperinflammatory state: a multicentre cohort study (SAM-COVID-19)

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    Objectives: The objective of this study was to estimate the association between tocilizumab or corticosteroids and the risk of intubation or death in patients with coronavirus disease 19 (COVID-19) with a hyperinflammatory state according to clinical and laboratory parameters. Methods: A cohort study was performed in 60 Spanish hospitals including 778 patients with COVID-19 and clinical and laboratory data indicative of a hyperinflammatory state. Treatment was mainly with tocilizumab, an intermediate-high dose of corticosteroids (IHDC), a pulse dose of corticosteroids (PDC), combination therapy, or no treatment. Primary outcome was intubation or death; follow-up was 21 days. Propensity score-adjusted estimations using Cox regression (logistic regression if needed) were calculated. Propensity scores were used as confounders, matching variables and for the inverse probability of treatment weights (IPTWs). Results: In all, 88, 117, 78 and 151 patients treated with tocilizumab, IHDC, PDC, and combination therapy, respectively, were compared with 344 untreated patients. The primary endpoint occurred in 10 (11.4%), 27 (23.1%), 12 (15.4%), 40 (25.6%) and 69 (21.1%), respectively. The IPTW-based hazard ratios (odds ratio for combination therapy) for the primary endpoint were 0.32 (95%CI 0.22-0.47; p < 0.001) for tocilizumab, 0.82 (0.71-1.30; p 0.82) for IHDC, 0.61 (0.43-0.86; p 0.006) for PDC, and 1.17 (0.86-1.58; p 0.30) for combination therapy. Other applications of the propensity score provided similar results, but were not significant for PDC. Tocilizumab was also associated with lower hazard of death alone in IPTW analysis (0.07; 0.02-0.17; p < 0.001). Conclusions: Tocilizumab might be useful in COVID-19 patients with a hyperinflammatory state and should be prioritized for randomized trials in this situatio

    Clonal chromosomal mosaicism and loss of chromosome Y in elderly men increase vulnerability for SARS-CoV-2

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    The pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2, COVID-19) had an estimated overall case fatality ratio of 1.38% (pre-vaccination), being 53% higher in males and increasing exponentially with age. Among 9578 individuals diagnosed with COVID-19 in the SCOURGE study, we found 133 cases (1.42%) with detectable clonal mosaicism for chromosome alterations (mCA) and 226 males (5.08%) with acquired loss of chromosome Y (LOY). Individuals with clonal mosaic events (mCA and/or LOY) showed a 54% increase in the risk of COVID-19 lethality. LOY is associated with transcriptomic biomarkers of immune dysfunction, pro-coagulation activity and cardiovascular risk. Interferon-induced genes involved in the initial immune response to SARS-CoV-2 are also down-regulated in LOY. Thus, mCA and LOY underlie at least part of the sex-biased severity and mortality of COVID-19 in aging patients. Given its potential therapeutic and prognostic relevance, evaluation of clonal mosaicism should be implemented as biomarker of COVID-19 severity in elderly people. Among 9578 individuals diagnosed with COVID-19 in the SCOURGE study, individuals with clonal mosaic events (clonal mosaicism for chromosome alterations and/or loss of chromosome Y) showed an increased risk of COVID-19 lethality

    Innovación, desarrollo tecnológico y gestión : una construcción desde la investigación

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    Libro que compila investigaciones de carácter aplicadas y descriptivas en materia de innovación y desarrollo tecnológico, gestión organizacional y empresarial orientada a productividad, rentabilidad, competitividad y sostenibilidadBook that compiles researches of applied and descriptive character in the matter of innovation and technological development, organizational and business management oriented to productivity, profitability, competitiveness and sustainabilityCapítulo 1. Material compuesto para la construcción a partir de la celulosa del papel y cartón reciclado / Carlos Arturo Tamayo S; Nicolás Montero Camacho; Fredy Antonio Herrera -- Capítulo 2. Tecnologías de conservación para base de sopa de frijol rojo (phaseolus vulgaris) y vegetales / Yaceris Castro Escorcia; Teresa Altamar Pérez; Enedys Florez Cortés; Ángela Ortiz Ruiz. Capítulo 3. Utilización de harina compuesta de frijol caupi (vigna unguiculata) en masas para alimentos congelados / Marcela Villalba Cadavid; Matilde Rodríguez Muñoz; Beatriz Fernández; Juan Mendoza Combatt -- Capítulo 4. Elaboración de biorrecubrimiento comestible para carne de hamburguesa como alternativa de conservación y condimento natural / Camila Andrea Ubaque Beltrán. CAPÍTULO 5. Identificación de alternativas de industrialización de productos y subproductos agroindustriales en nuevos materiales bio poliméricos / Luz Henao Díaz; Deya Pérez Zúñiga; Herold Arango Gómez. Capítulo 6. SCADA inalámbrico para monitoreo de sistemas de energía solar / Nelson Giovanni Agudelo Cristancho; Juan Carlos Amezquita Tovar; Ángela María Montoya Castro. -- Capítulo 7. Evaluación de la calidad del agua para consumo humano del corregimiento de Jaraquiel, Montería, Córdoba / Carlos Burgos Galeano; Álvaro Aleán Vásquez; Paula Estrada Palencia -- Capítulo 8. Optimización del sistema de abastecimiento de agua en la comunidad de Jaraquel, Montería Colombia / Carlos Burgos Galeano; Pedro Ramos Tejada; Paula Estrada Palencia; Jhon Sánchez Correa. -- Capítulo 9. Ejecución y sostenibilidad de proyectos productivos en la microrregión cafetera del municipio de Ciénaga, Magdalena / Sugey Issa Fontalvo; Eduardo Robles Panetta; Freddy González Castillo. -- Capítulo 10. Aplicación del método cualitativo por puntos para determinar aspirante favorito a cargos directivos en IES / Zamir Martelo Ballesteros; Raúl Martelo Gómez; Luis Tovar Garrido; Natividad Villabona Gómez; David Franco Borré. -- Capítulo 11 Responsabilidad social en comunidades indígenas orientada al diseño de automatización de válvulas del gasoducto Riohacha-Maicao / Gelvis Melo Freile; César Rivera Romero; Jesús García Guiliany. -- Capítulo 12 Fortalecimiento de la gestión económica de las Mipymes a través de la consultoría / Gloria Amparo Acosta Romero; Mónica Andrade Ríos; Karen Roxana Sánchez. -- Capítulo 13. El compromiso como valor en la responsabilidad social universitaria / Maura Quintero Gutiérrez, Dubys Villarreal Torres; Jesús García Guiliany; Annherys Paz Marcano; Marieth Orcasitas Peñaloza. -- Capítulo 14. Educación financiera como alternativa de desarrollo económico y social para el distrito de Riohacha / Henitzo Martínez Pinedo; Darcy Luz Mendoza; Martha Jaramillo Acosta; Edwin Salas Solano. -- Capítulo 15. Tecnologías de información y comunicación en proceso contable y financiero en pymes del sector turístico / Martha Josefina Castrillón Rois; Edilberto Rafael Santos Moreno; Lorena Esther Gómez Bermúdez; Génesis Barros González. -- Capítulo 16. Aplicación de brainstorming y problem trees para determinar factores que inciden en enseñanza del inglés / Jesús Llerena; Raúl J. Martelo; Jhon Cuesta; Javier Pinedo; David Franco.-- Capítulo 17. Incidencia del marketing en las microempresas del sector comercio en Rionegro Antioquia: conceptualización / Santiago Álzate Carmona; María Yamile Mazo Gil; Leidy García Jaramillo. -- Capítulo 18. Turismo en el Cabo de la Vela: un acercamiento entre los imaginarios turísticos de los visitantes y la creencia de Jepirra, territorio sagrado / María Laura Aponte Aarón; Esmerlis Camargo Torres. -- Capítulo 19. Caracterización de la actividad turística en buenaventura y su integración con las comunidades locales / Víctor Cándelo Aragón; Henry Orobio García; Luis Montaño Aguilar. -- Capítulo 20. Plataforma de comercialización electrónica de un centro de abastos / Karen Ávila Suarez; Mauro Reyes Ortiz. -- Capítulo 21. El teletrabajo en la gestión administrativa / Estefanía Sandoval Cruz; René Alexander Guerrero Vergel. -- Capítulo 22. Gestión del conocimiento y alianzas estratégicas en los procesos de innovación tecnológica / Elder Rivero Gutiérrez; Fátima Bolaño Mendoza. -- Capítulo 23. Competitividad e innovación en el aprendiz SENA: perspectivas de formación / Elizabeth Tuberquia Vanegas; René Alexander Guerrero Vergel. -- Capítulo 24. Bomba de riego por goteo solar, una alternativa para aumentar la eficiencia energética en las unidades acuícolas / Sergio Gabriel Brito Brito; Daldo Ricardo Araujo Vidal; Nicolás Annicharico Jiménez. -- Capítulo 25. Herramienta digital de consultas contables y tributarias para unidades productivas creadas en el fondo emprender / Elkin Fuentes Jiménez; Alda Pérez Campuzano; Marieth Orcasitas Peñaloza; Olga Elena Guerra ArmentaPrimera ediciónna347 página
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