Appraises and critiques the strategy and relevance of the literature review to the study employed by the author "We searched PubMed and Embase for randomized controlled trials that examined the impact of HBI in HF. A random-effects meta-analysis was performed using R. Result: Total 17/409 articles (3214 patients) met our inclusion criteria. The pooled estimate showed HBI was associated with a reduction in readmission rates and mortality (22 and 16% respectively; p < 0.05). Subgroup analysis conf