Longitudinal observational study shows HIIT improves cardiac function and quality of life in heart failure patients, indicating its potential role in treatment.
Key Points
Long-term HIIT significantly improves cardiac function and quality of life among heart failure patients.
Participants showed significant improvements in KCCQ-12 and DASI scores, highlighting better functional capacity.
Regression analysis identified HIIT, age, gender, and comorbidities as key predictors of symptom severity.
Female participants reported better outcomes from HIIT compared to male participants despite worse symptoms.