Video Experimental Relacionado

Updated: Mar 8, 2026

A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement

A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement

Published on: February 22, 2022

Entrenamiento a intervalos de alta intensidad en pacientes con insuficiencia cardíaca con fracción de eyección

Øyvind Ellingsen¹, Martin Halle², Viviane Conraads²

¹From St. Olavs Hospital, Trondheim University Hospital, Norway (Ø.E., A.S., H.D., V.V., T.K.); K.G. Jebsen Center for Exercise in Medicine, Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway (Ø.E., H.D., T.K.); Department of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Germany (M.H., J.W.C., A.P.); DZHK (German Center for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany (M.H.); Else-Kröner-Fresenius Prevention Center, Klinikum rechts der Isar, Munich, Germany (M.H.); Antwerp University Hospital, Edegem, Belgium (V.C., E.M.V.C., P.B.); University of Antwerp, Belgium (V.C., E.M.V.C., P.B.); Department of Circulation and Medical Imaging (A.S., T.H.) and Department of Laboratory Medicine, Children's and Women's Health (V.V.), NTNU-Norwegian University of Science and Technology, Trondheim, Norway; Department of Medicine, Levanger Hospital, Nord-Trøndelag Hospital Trust, Norway (H.D.); Centre Hospitalier de Luxembourg, Luxembourg (C.D., P.F.); Department of Cardiology, Stavanger University Hospital, Norway (A.- I.L., T.V.); Department of Clinical Science, University of Bergen, Norway (A.-I.L., T.V.); Ålesund Hospital, Møre og Romsdal Health Trust, Norway (T.H.); Cardiac Rehabilitation Division, Salvatore Maugeri Foundation IRCCS, Scientific Institute of Veruno, Italy (A.M.); Division of Cardiovascular Medicine, Stanford Center for Inherited Cardiovascular Disease, CA (J.W.C.); Department of Cardiology, Herzzentrum, Universität Leipzig, Germany (E.W., N.M., F.W., R. Höllriegel, A.L.); Department of Cardiology, Bispebjerg Hospital, University of Copenhagen, Denmark (T.M.-H., M.S., E.P.); University of Oslo, Rikshospitalet University Hospital, Norway (J.K.); Department of Cardiology and Angiology, Klinikum Links der Weser, Bremen, Germany (R. Hambrecht); and Department of Cardiology, Angiology and Intensive Care, Klinikum Lippe, Detmold, Germany (S.G.). oyvind.ellingsen@ntnu.no.

|January 14, 2017

Resumen

El entrenamiento a intervalos de alta intensidad (HIIT) y el entrenamiento continuo moderado (MCT) no diferían en la mejora de la insuficiencia cardíaca con fracción de eyección reducida. Ninguno de los ejercicios mejoró la remodelación cardíaca o la capacidad aeróbica a largo plazo.

Área de la Ciencia:

Cardiología
Fisiología del ejercicio
Tratamiento de la insuficiencia cardíaca

Sus antecedentes:

Estudios pequeños anteriores sugirieron que el entrenamiento a intervalos de alta intensidad (HIIT) supera el entrenamiento continuo moderado (MCT) para la insuficiencia cardíaca con fracción de eyección reducida (HFrEF).
Este ensayo multicéntrico tuvo como objetivo comparar las recomendaciones de HIIT, MCT y ejercicio regular en pacientes con HFrEF.

Objetivo del estudio:

Para comparar la eficacia de 12 semanas de HIIT supervisado frente a MCT en pacientes con HFrEF.
Evaluar el impacto en la remodelación del ventrículo izquierdo y la capacidad aeróbica.

Principales métodos:

261 pacientes con HFrEF (LVEF ≤35%, clase NYHA II-III) fueron asignados al azar a HIIT, MCT o recomendación de ejercicio regular (RRE).
Las intervenciones duraron 12 semanas, con seguimiento a las 52 semanas. El objetivo primario fue el cambio en el diámetro diastólico terminal del ventrículo izquierdo.

Principales resultados:

No hay diferencia significativa en el cambio del diámetro diastólico terminal del ventrículo izquierdo entre HIIT y MCT.
Tanto el HIIT como el MCT mejoraron la absorción máxima de oxígeno en comparación con el RRE, pero no hubo diferencias significativas entre el HIIT y el MCT.
Los beneficios observados no se mantuvieron a las 52 semanas de seguimiento. La adherencia varió, y muchos pacientes no cumplieron con los objetivos de intensidad prescritos.

Conclusiones:

El HIIT no es superior al MCT para mejorar la remodelación cardíaca o la capacidad aeróbica en pacientes con HFrEF.
La viabilidad y la eficacia a largo plazo de HIIT en esta población requieren más investigación.

Palabras clave:

ejercicio insuficiencia cardíaca

Más Videos Relacionados

Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training

Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training

Published on: October 10, 2019

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

Published on: October 18, 2024

Videos de Conceptos Relacionados

Heart Failure VI: Adjunct Therapies

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.

Heart Failure V: Medical Management

Heart Failure V: Medical Management

Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...

Exercise and Cardiovascular Response

Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...

Heart Failure IV: Classification and Diagnostic Evaluation

Heart Failure IV: Classification and Diagnostic Evaluation

Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...

Heart Failure Drugs: Inotropic Agents

Heart Failure Drugs: Inotropic Agents

Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...

Heart Failure II: Pathophysiology

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...