![]() ![]() Especially for CAD patients, compared with MICT, HIIT is more predominant on exercise capacity and quality of life. And, the severity of anxiety and depression are markedly declined after HIIT (Beauchamp et al., 6 Weston et al., 18). To be specific, a maximal or symptom-limited exercise test with the highest heart rate ranging from 85%–100% is the most common HIIT method.Īs for the intervention effects of the 2 approaches, systematic reviews indicate HIIT improved cardiopulmonary function, blood glucose, lipid and cholesterol profiles and some inflammatory markers in patients with chronic disease (Perrier-Melo et al., 18 Qiu et al., 18 Wen et al., 18). Therefore, the HIIT is referred as an alternative cardiac rehabilitation to medium/low-intensity activities, which is short-time high oxygen-consumption exercise interphase with periods of low-intensity training or rest for recovery (Norton et al., 18). More importantly, the long period and complexity of exercise lead to patients giving up these activities (Reichert et al., 18). In spite of these advantages, around 30% adults fail to meet the demand because of lacking of time and hard to persist (Hallal et al., 14). It is recommended that moderate-intensity continuous training(MICT) at the intensity of 50%–75% heart rate (Gayda et al., 12) or vigorous-intensity interval exercise are both beneficial to maintain people's health and prevent from the occurrence of disease (Norton et al., 18 WHO, 18). Furthermore, safe exercise at different intensity can affect the training endurance, oxygen capacity and intervention effects (Che & Wang, 7). The World Health Organization deems that exercise-based cardiac rehabilitation can influence patient's physical, psychological and social condition, benefit their quality of life and control potential complications (WHO, 18). Additionally, effective cardiac rehabilitation can be viewed as another improvement of prognosis, which is a form of comprehensive and long-term exercise composed of risk factor analysis, physical activities, mental support, life-style behaviour interventions (Olsen et al., 18 Perk et al., 18 Zhang & Chang, 18). ![]() Although PCI plays a significant role in decreasing the rate of vascular restenosis and recurrent ischaemia, the use of antithrombotic remains an intractable clinical problem on account of the complicated vascular endothelial condition, chronic atherosclerotic disease, etc. Percutaneous coronary intervention (PCI) has become the most effective treatment of coronary artery disease (CAD). Underline the role of cardiovascular nurses in promoting evidence-based cardiac rehabilitation.Provide advice on cardiac rehabilitation for post-PCI patients.More researches with rigorous methods are warranted to explore the controversy about lipid profiles. Nevertheless, HIIT has no advantage for adjusting heart rate. ![]() Summarily, HIIT programme appears to be favourable for CAD patients after PCI by improving cardiopulmonary function, such as LVEF and VO 2peak, as well as reducing late luminal loss in per stented arteries. But HIIT had no prominent effect on improving heart rate (SMD = −0.04, 95%CI, I 2 = 0%). HIIT programme had a statistically significant effect on raising left ventricular ejection function (LVEF) (SMD = 0.38, 95%CI, I 2 = 3%), VO 2peak (SMD = 0.94, 95%CI, I 2 = 0%), as well as improving the serum level of high-density lipoprotein (SMD = 0.55, 95%CI, I 2 = 0%) and late luminal loss (SMD = −0.65, 95%CI, I 2 = 0%). Six RCTs (247 patients) met the criteria. Standard Mean difference (SMD) and 95% confidence intervals (CI) were performed to summarize the effect sizes. Randomized controlled trials (RCTs) focusing on HIIT programme in patients after PCI were searched in Cochrane Library, Web of Science Core Collection, EMbase, PubMed, China National Knowledge Infrastructure (CNKI) and SinoMed from the inception to 24 March 2020. DesignĪ systematic review and meta-analysis were conducted according to the Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA)2009 Checklist. The hypothesis was that HIIT would help patients after percutaneous coronary intervention (PCI) improve cardiopulmonary function, lipid profiles and in-stent restenosis. To evaluate whether high-intensity interval training (HIIT) was superior to low-intensity training or usual care among patients after percutaneous coronary intervention. ![]()
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