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Vicente Campos, Davinia

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Davinia

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Vicente Campos

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Ciencias de la Salud

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2017 - 20192
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Author: Vicente Campos, Davinia × End date: 2019 × Start date: 2014 × Keyword: Coronary artery disease ×

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    Mechanical efficiency of high versus moderate intensity aerobic exercise in coronary heart disease patients: A randomized clinical trial.
    (Cardiology Journal, 2019) Villelabeitia Jaureguizar, Koldobika; Vicente Campos, Davinia; Berenguel Senen, Alejandro; Hernández Jiménez, Verónica; Ruiz Bautista, Lorena; Barrios Garrido-Lestache, María Elvira; López Chicharro, José
    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)
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    Effects of high-intensity interval versus continuous exercise training on post-exercise heart rate recovery in coronary heart-disease patients.
    (International Journal of Cardiology, 2017) Villelabeitia Jaureguizar, Koldobika; Vicente Campos, Davinia; Berenguel Senen, Alejandro; Hernández Jiménez, Verónica; Barrios Garrido-Lestache, María Elvira; López Chicharro, José
    Background: Heart rate recovery (HRR) has been considered a prognostic and mortality indicator in both healthy and coronary patients. Physical exercise prescription has shown improvements in VO2peak and HRR, but most of the studies have been carried out applying continuous training at a moderate intensity, being very limited the use of protocols of high intensity interval training in coronary patients. We aimed to compare the effects of a moderate continous training (MCT) versus a high intensity interval training (HIIT) programme on VO2 peak and HRR. Methods: Seventy three coronary patients were assigned to either HIIT or MCT groups for 8 weeks. Incremental exercise tests in a cycloergometer were performed to obtain VO2peak data and heart rate was monitored during and after the exercise test to obtain heart rate recovery data. Results: Both exercise programmes significantly increase VO2peak with a higher increase in the HIIT group (HIIT: 4.5± 4.46 ml/kg/min vs MCT: 2.46±3.57 ml/kg/min; P=0.039). High intensity interval training resulted in a significantly increase in HRR at the first and second minute of the recovery phase (15,44±7,04 vs 21,22 ±6,62, P <0,0001 and 23,73±9,64 vs 31,52±8,02, p <0,0001, respectively). Conclusions: The results of our research show that the application of HIIT to patients with chronic ischemic heart disease of low risk resulted in an improvement in VO2peak, and also improvements in post-exercise heart-rate recovery, compared with continuous training.