Table 4 The largest 15 clusters of keywords regarding prognosis of CHD after PCI
Cluster ID | Size | Mean (cite year) | LLR | LSI |
|---|---|---|---|---|
#0 | 141 | 2013 | Optical coherence tomography | Percutaneous coronary intervention |
#1 | 120 | 2015 | Dual antiplatelet therapy | Optical coherence tomography |
#2 | 113 | 2009 | Bleeding | Coronary artery disease |
#3 | 109 | 2007 | Clopidogrel | Acute coronary syndrome |
#4 | 109 | 2003 | Thrombus aspiration | Myocardial infarction |
#5 | 107 | 2007 | Stent thrombosis | ST-segment elevation |
#6 | 101 | 2012 | SYNTAX score | Major coronary arteries |
#7 | 97 | 2014 | Fractional flow reserve | Fractional flow reserve |
#8 | 97 | 2012 | Chronic total occlusion | Chronic total occlusion |
#9 | 95 | 2003 | Troponin | Ventricular hypertrophy |
#10 | 84 | 2013 | Cardiogenic shock | Multivessel coronary artery disease |
#11 | 83 | 2005 | Myocardial infarction | Platelet aggregation inhibitors |
#12 | 82 | 2001 | Restenosis | Coronary stent |
#13 | 73 | 2002 | Contrast-induced nephropathy | Risk assessment |
#14 | 73 | 2011 | Microvascular obstruction | Antiplatelet drug |