Supplemental Digital Content 1:
Supplementary Table S1: Baseline Characteristics and Interventions of Included Studies.
Study Year Design Centers, n Location Period Patients, n Age,
years
Male,
%
BMI, kg/m2
Diabetes,
%
Hypertension,
%
Dyslipidemia,
%
Finn.M.T14 2018 Non-RCT 1 US 2014-2016 157 64±9 87 NA 32 92 96
Sabbah.M15 2018 Non-RCT 1 Japan 2011-2012 157 69 86 25±4 10 19 16
Karacsonyi.J16 2018 RCT 11 US 2015-2017 246 66±10 82 31±7 37 88 89
Tajti.P1 2018 Non-RCT 20 US/Europe/Russia 2012-2017 3055 65±10 85 31±6 43 92 90
Hasegawa.K17 2017 Non-RCT 30 Japan 2012 323 NA NA NA NA NA NA
Song.L18 2017 Non-RCT 1 US 2014-2016 219 64±10 84 NA 36 93 96
Maeremans.J19 2017 Non-RCT 17 UK 2014-2015 1165 66±10 86 NA 26 61 67
Danek.Ba26 2016 Non-RCT 11 US 2012-2015 1288 66±10 84 NA 45 90 94
Azzalini.L20 2016 Non-RCT 3 Italy/Canada/Spain 2010-2016 792 NA NA NA NA NA NA
Wilson.WM21 2016 Non-RCT 7 UK 2012-2014 1156 65±10 79 29±5 25 NA NA
Muramatsu.T22 2014 Non-RCT 27 Japan 2010-2011 156 65±10 88 NA 35 67 71
Godino.C23] 2012 Non-RCT 1 Italy 2005-2008 355 61±9 87 NA 30 73 71
Tanaka.H24 2010 Non-RCT 1 Japan 2005-2009 159 NA NA NA NA NA NA
Rathore.S25 2009 Non-RCT 1 Japan 2002-2008 358 65±10 85 NA 38 62 42
Study
Prior MI,
%
Prior PCI,
%
Prior CABG,
%
LVEF,
%
In-stent occlusion,
%
Target CTO vessel
Retrograde,
%
Prior CTO attempt,
%
DR techniques Outcomes included in meta-analysis LAD,
%
LCX,
%
RCA,
%
Finn.M.T14 33 70 35 53 NA 34 20 46 25 20 Crossboss/Stringray/rCART
Perforation; PMI; uTVR; J- CTO score; CTO occlusion length; Fluoroscopy time;
Contrast volume
Sabbah.M15 65 NA 4 NA NA 40 15 45 36 14 CART/rCART
Perforation; PMI; uTVR;
Mortality; CTO occlusion length; Fluoroscopy time;
Contrast volume
Karacsonyi.J16 43 NA 26 52 23 19 16 64 17 19 Crossboss
Perforation; PMI; Stroke;
uTVR; Mortality
Tajti.P1 46 65 32 54 17 24 20 55 24 20 NA
Perforation; PMI; Stroke;
uTVR; Mortality
Hasegawa.K17 NA NA NA NA NA NA NA NA 25 NA rCART
Perforation; PMI; uTVR;
Mortality; Fluoroscopy time;
Contrast volume
Song.L18 34 69 33 16(EF<40%) NA 29 21 49 28 21 Crossboss/Stringray/rCART
Perforation; PMI; Stroke;
uTVR; Mortality; J-CTO score;
CTO occlusion length;
Fluoroscopy time; Contrast volume
Maeremans.J19 38 56 17 9(EF<55%) NA NA NA NA 25 NA Crossboss/Stringray/rCART J-CTO score
Danek.Ba26 42 65 34 28(EF<55%) 14 23 20 57 NA 18 ADR (CrossBoss54%)
J-CTO score; CTO occlusion length; Fluoroscopy time;
Contrast volume
Azzalini.L20 NA NA NA NA NA 28 20 52 33 NA
ADR (CrossBoss/Stingray42%);
RDR (rCART84%)
Perforation; Stroke; uTVR;
Mortality; J-CTO score
Wilson.WM21 55 63 21 33(EF<55%) 8 27 17 56 31 27
ADR (CrossBoss and Stingray);
RDR (rCART84%)
Perforation; PMI; uTVR;
Mortality
Muramatsu.T22 40 NA 11 NA NA 29 12 59 63 20 rCART
Perforation; PMI; uTVR;
Mortality; CTO occlusion length
Godino.C23 51 50 21 53±9 12 29 25 46 NA 18 Guided-STAR Perforation; PMI
Tanaka.H24 NA NA NA NA NA NA NA NA 100 NA r-CART PMI; Stroke; uTVR; Mortality
Rathore.S25 90 30 14 NA NA 31 16 48 0 NA CART
Perforation; PMI; uTVR;
Mortality; CTO occlusion length; Fluoroscopy time