Supplemental Table 1 – Part 1: Characteristics of selected publications reporting at least one CTO complication Year Author Journal Location Procedure Dates 2011 Galassi AR (1) Catheter Cardiovasc Interv Italy 3/2009 - 6/2010 2011 Jolicoeur EM (2) Catheter Cardiovasc Interv USA (Duke) 1/1/1999 - 12/31/2008 2011 Garcia-Garcia HM (3) EuroIntervention Netherlands, Italy 2/2006 - 6/2007 2011 Galassi HR (4) EuroIntervention Europe (multicenter) 1/2008 - 12/2008 2011 Borgia F (5) Int J Cardiol UK 4/2003 - 7/2009 2011 Wu CJ (6) Int Heart J Taiwan 5/2006 - 5/2010 2011 Werner GS (7) EuroIntervention Germany 7/2008 - 6/2009 2011 Tomasello SD (8) J Interv Cardiol Italy (Ferrarotto) 10/2005 - 6/2009 2011 Liu W (9) J Interv Cardiol Japan (Toho University) 1/2003 - 5/2009 2011 Ramcharitar S (10) EuroIntervention Netherlands 2/2004 - 5/2008 2011 Park Y (11) Int J Cardiol Korea (Gyeongsang National University Hospital) 1/2005 - 9/2008 2010 Yang CH (12) Chang Gung Med J Taiwan (Chang Gung Memorial) 2/1998 - 12/2003 2010 Al-Lamee R (13) American Journal of Cardiology Italy (San Raffaele) 5/2002 - 7/2009 2010 Werner GS (14) EuroIntervention Germany (ALKK Multicenter Registry) 1/2006 - 12/2006 2010 Matsukage (15) Catheter Cardiovasc Interv Japan (Tokai University, PIKACHU Registry) 4/2008 - 3/2009 2010 Ge L (16) Chinese Medical Journal China (Zhongshan Hospital) 7/2005 - 11/2009 J Interv Cardiol Revista espanola de cardiologia China (Grantham Hospital) 1/2005 - 10/2007 2010 2010 Jim MH (17) Fernandez-Diaz JA (18) Spain (Hospital Universitario Puerta de Hierro) 12/2007 - 10/2009 2010 Galassi AR (19) J Interv Cardiol Italy (Ferrarotto) 5/2007 - 2/2009 2010 Rathore S (20) JACC Cardiovasc Interv Japan (Toyohashi Heart Center) 3/2007 - 9/2008 2010 Morino Y (21) JACC Cardiovasc Interv Japan (Multicenter Registry) 4/2006 - 11/2007 2010 Lee NH (22) Int J Cardiol Korea (SoonChunHyang University) 7/2006 - 4/2008 2009 Chen SL (23) Chinese Medical Journal China (Multicenter) 1/2004 - 5/2005 2009 Rathore S (24) Circ Cardiovasc Interv Japan (Toyohashi Heart Center) 1/2002 - 8/2008 2009 Chung SH (25) Korean Circulation Journal Korea (Dong-A University) 2/2007 - 7/2008 2009 Park CS (26) Korean Circulation Journal Korea (Catholic University of Korea) 1/2006 - 7/2007 2009 Kimura M (27) JACC Cardiovasc Interv Japan, Germany, UK (Multicenter CART Registry) 10/2005 - 4/2008 2009 Thompson CA (28) JACC Cardiovasc Interv USA (Yale, St Joseph's) 1/2005 - 3/2008 2009 Rathore S (29) JACC Cardiovasc Interv Japan (Toyohashi Heart Center) 1/2001 - 7/2008 2009 Rathore S (30) Catheter Cardiovasc Interv UK (Liverpool Heart and Chest Hospital) 1/2003 - 12/2005 2009 Paizis I (31) EuroIntervention Greece (Onassis Cardiac Surgery Centre) 1/2004 - 2/2007 2009 Hsu JT (32) Catheter Cardiovasc Interv Taiwan (Kusatsu Heart Center) 3/2006 - 12/2007 2008 Sianos G (33) EuroIntervention Europe (multicenter) 2/2005 - 12/2007 2008 Tiroch K (34) Catheter Cardiovasc Interv USA (multicenter, FACTOR Study) 1/2005 - 7/2006 2008 Carlino M (35) Catheter Cardiovasc Interv Italy (San Raffaele) 1/2005 - 10/2007 2008 Mitsudo K (36) J Invasive Cardiol Japan (Multicenter, CONQUEST Trial) 1/2003 - 3/2004 2008 de Labriolle A (37) Am J Cardiol USA (Washington Hospital Center) 1/2003 - 9/2005 2008 Valenti R (38) Eur Heart J Italy (Careggi Hospital) 1/2003 - 12/2006 2008 Chamie D (39) Catheter Cardiovasc Interv Brazil (Sao Paolo, RAPID-CTO study) 3/2006 - 11/2006 2008 Han YL (40) Chin Med J (Engl) China (General Hospital of Shenyang Military Command) 7/2000 - 10/2007 2008 Barlis P (41) Catheter Cardiovasc Interv UK (Royal Brompton Hospital) 5/2003 - 10/2006 2008 Biondi-Zoccai GG (42) Int J Cardiol Italy (University of Turin) 1/2003 - 2/2007 2008 Saito S (43) Catheter Cardiovasc Interv Japan (ShonanKamakura General Hospital) 1/2006 - 1/2007 2008 Suzuki S (44) Catheter Cardiovasc Interv Japan (Teikyo University) 10/2005 - 9/2006 2007 Prasad A (45) J Am Coll Cardiol USA (Mayo) 10/1/1979 - 7/31/2005 2007 Di Mario C (46) EuroIntervention UK (Royal Brompton Hospital) 4/2005 - 4/2007 2007 Aziz S (47) Catheter Cardiovasc Interv UK (Royal Blackburn Hospital) 1/2000 - 6/2004 2007 Werner GS (48) Clin Res Cardiol Germany 2/2002 - 6/2004 2006 Kim JY (49) Yonsei Med J Korea (Yonsei University) 3/2000 - 10/2003 2006 Drozd J (50) Kardiol Pol Poland (Medical University in Poland) 1/1996 - 12/2003 2006 Han YL (51) Chin Med J (Engl) China (Shenyang General Hospital) 6/1995 - 12/2005 2006 Melzi G (52) Catheter Cardiovasc Interv Italy (San Raffaele) 11/2003 - 11/2004 2005 Abbas AE (53) Am J Cardiol USA (William Beaumont Hospital) 1/2002 - 12/2003 2005 Drozd J (54) Kardiol Pol Poland (Medical University in Poland) 1/1996 - 12/2003 2005 Dong S (55) J Interv Cardiol Israel (Hadassah Medical Center) 1/1997 - 12/1999 2004 Baim DS (56) Am J Cardiol USA (Multicenter, GREAT Study) NA 2004 Hoye A (57) Catheter Cardiovasc Interv Netherlands (Thoraxcentre) NA 2004 Sheiban I (58) J Invasive Cardiol Italy (University of Torino) 1/2000 - 6/2002 2003 Olivari Z (59) J Am Coll Cardiol Italy (Multicenter) 1/1999 - 1/2000 2002 Mathew OP (60) J Assoc Physicians India India (Military Hospital in Pune) 1/1999 - 3/2001 2001 Suero JA (61) J Am Coll Cardiol USA (Mid America Heart Institute) 6/1980 - 12/1999 2000 Sheiban I (62) Int J Cardiovasc Intervent Italy (University of Torina, San Raffaele) 1/1998 - 12/2000 2000 Serruys PW (63) Eur Heart J Europe (multicenter, TOTAL trial) 5/1995 - 6/1997 2000 Lefevre T (64) Am J Cardiol France (Institut Cardiovascularie Paris) NA 2000 Noguchi T (65) Catheter Cardiovasc Interv Japan (National Cardiovascular Center) 1986-1996 Supplemental Table 1 – Part 2: Patient demographics and angiographic characteristics of selected publications Year Author Number of Patients Number of Lesions Age Male Sex Prior CABG LAD LCx RCA LM Graft Other Number Retrograde 2011 Galassi AR (1) 225 225 61.2 209 32 69 34 122 0 0 0 33 2011 Jolicoeur EM (2) 346 346 59.2 254 75 104 100 142 0 0 0 . 2011 Garcia-Garcia HM (3) 80 80 64.1 68 8 14 17 49 0 0 0 0 2011 Galassi HR (4) 1914 1983 64.1 1627 285 589 385 993 6 10 0 234 2011 Borgia F (5) 302 302 64 248 52 99 54 148 1 0 0 78 2011 Wu CJ (6) 85 85 59.7 80 6 34 1 50 0 0 0 85 2011 Werner GS (7) 42 42 66.3 36 17 9 9 24 0 0 0 0 2011 Tomasello SD (8) 303 328 61 272 33 118 63 147 0 0 0 42 2011 Liu W (9) 116 120 65 102 9 54 26 38 0 2 0 7 2011 Ramcharitar S (10) 43 43 67.1 33 6 18 17 8 0 0 0 . 2011 Park Y (11) 31 32 61 24 1 . . . . . . . 2010 Yang CH (12) 419 419 61.5 358 . 176 94 148 0 1 0 . 2010 Al-Lamee R (13) 34 34 64.6 30 34 0 0 0 0 34 0 0 2010 Werner GS (14) 674 714 67 508 85 219 177 293 4 21 0 . 2010 Matsukage (15) 141 141 69 113 7 58 33 50 0 0 0 3 2010 Ge L (16) 42 42 62.8 41 2 24 0 14 3 1 0 42 22 22 73 15 22 0 0 0 0 22 0 0 2010 2010 Jim MH (17) Fernandez-Diaz JA (18) 9 9 66.9 7 . 2 0 7 0 0 0 9 2010 Galassi AR (19) 171 178 60.8 157 18 . . . . . . . 2010 Rathore S (20) 31 31 62.4 26 9 4 2 25 0 0 0 31 2010 Morino Y (21) 498 528 66.9 406 48 190 101 234 3 0 0 136 2010 Lee NH (22) 22 24 56 17 0 9 2 13 0 0 0 24 2009 Chen SL (23) 152 152 64.4 114 . 63 30 59 0 0 0 . 2009 Rathore S (24) 157 157 65 134 28 50 12 93 1 1 0 157 2009 Chung SH (25) 28 31 63.4 20 0 16 1 14 0 0 0 31 2009 Park CS (26) 134 136 . . . . . . . . . . 2009 Kimura M (27) 224 224 61.3 193 39 54 9 156 3 2 0 224 2009 Thompson CA (28) 636 636 64.6 511 171 166 182 281 7 0 0 . 2009 Rathore S (29) 806 904 65.5 748 114 267 201 355 5 2 74 . 2009 Rathore S (30) 468 468 64.4 380 15 187 108 173 0 0 0 . 2009 Paizis I (31) 106 106 59 94 . 45 20 41 0 0 0 . 2009 Hsu JT (32) 96 119 65 93 7 32 33 54 0 0 0 50 2008 Sianos G (33) 175 175 61.4 154 19 37 12 125 1 0 0 175 2008 Tiroch K (34) 125 125 62.8 105 24 39 23 63 0 0 0 0 2008 Carlino M (35) 68 68 61.5 65 26 1 13 54 0 0 0 . 2008 Mitsudo K (36) 110 116 66.3 89 10 41 35 39 0 1 0 . 2008 de Labriolle A (37) 172 172 61.4 131 22 53 45 73 1 0 0 . 2008 Valenti R (38) 486 527 68.1 395 53 151 92 220 0 8 56 0 2008 Chamie D (39) 16 16 56.3 9 . 7 1 8 0 0 0 0 2008 Han YL (40) 152 164 62.9 112 . 64 39 61 0 0 0 . 2008 Barlis P (41) 202 203 64.4 154 23 64 42 96 1 0 0 . 2008 Biondi-Zoccai GG (42) 17 17 67 16 7 1 3 11 2 0 0 17 2008 Saito S (43) 45 45 64 38 . 11 3 31 0 0 0 45 2008 Suzuki S (44) 72 72 68.9 64 . . . . . . . . 2007 Prasad A (45) 1262 1277 63.2 957 208 466 352 459 0 0 0 . 2007 Di Mario C (46) 17 17 65.3 16 . 6 0 11 0 0 0 17 2007 Aziz S (47) 543 570 58.8 421 25 233 107 230 0 0 0 . 2007 Werner GS (48) 34 34 . . . . . . . . . . 2006 Kim JY (49) 85 87 61.6 56 . 45 11 31 0 0 0 . 2006 Drozd J (50) 459 459 57.3 369 . . . . . . . . 2006 Han YL (51) 1263 1596 60 1037 . 569 305 543 7 0 172 . 2006 Melzi G (52) 28 30 61.9 25 4 4 5 21 0 0 0 . 2005 Abbas AE (53) 289 313 63.5 234 85 104 46 133 0 0 30 . 2005 Drozd J (54) 460 460 57.2 376 . 203 94 160 3 0 0 . 2005 Dong S (55) 253 283 62.7 235 52 81 87 104 0 0 11 . 2004 Baim DS (56) 113 113 62.4 93 30 29 18 66 0 0 0 . 2004 Hoye A (57) 27 29 . 20 2 9 3 17 0 0 0 . 2004 Sheiban I (58) 89 89 61 64 44 41 9 39 0 0 0 . 2003 Olivari Z (59) 376 390 58.3 323 19 156 86 147 1 0 0 . 2002 Mathew OP (60) 80 80 46.7 72 . 40 12 28 0 0 0 . 2001 Suero JA (61) 2007 2074 60.6 1570 357 752 583 729 10 0 0 . 2000 Sheiban I (62) 62 62 61 42 16 25 16 21 0 0 0 . 2000 Serruys PW (63) 303 303 58.7 248 22 117 37 149 0 0 0 . 2000 Lefevre T (64) 88 88 59.3 73 . . . . . . . . 2000 Noguchi T (65) 226 226 61 179 . 107 28 86 0 5 0 . CABG, coronary artery bypass graft surgery; LAD, left anterior descending; LCx, left circumflex; RCA, right coronary artery; LM, left main Supplemental Table 1 – Part 3: Outcomes from selected publications Year Author Deaths Emergent CABG Stroke Overall MI Q Wave MI Overall Perforations Tamponade Stent Thrombosis Vascular Major Bleed 2011 Galassi AR (1) 0 0 0 4 1 9 1 0 0 0 2011 Jolicoeur EM (2) 0 0 0 11 0 8 2 0 . . 2011 Garcia-Garcia HM (3) 0 0 0 2 0 3 1 . . . 2011 Galassi HR (4) 7 3 1 26 3 53 11 1 14 0 2011 Borgia F (5) 0 0 2 6 0 . 1 . . 0 2011 Wu CJ (6) 0 0 0 2 0 2 3 1 0 0 2011 Werner GS (7) 0 0 0 2 0 0 0 0 0 . 2011 Tomasello SD (8) 0 0 0 13 . 15 1 0 . . 2011 Liu W (9) 1 0 0 0 0 3 1 0 0 0 2011 Ramcharitar S (10) 0 1 0 . . 2 2 . . . 2011 Park Y (11) 0 0 0 6 0 2 0 0 . . 2010 Yang CH (12) 3 1 0 11 0 16 6 0 . 2 2010 Al-Lamee R (13) 0 0 0 1 . 1 0 0 . . 2010 Werner GS (14) 2 0 1 3 . . . . 7 . 2010 Matsukage (15) 0 0 0 0 0 2 0 0 . 0 2010 Ge L (16) 0 0 0 3 0 1 1 0 . . 0 0 0 2 . 1 0 . . . 2010 2010 Jim MH (17) Fernandez-Diaz JA (18) 0 0 0 0 0 0 0 . . . 2010 Galassi AR (19) 0 0 0 4 0 6 2 . . . 2010 Rathore S (20) 0 0 0 . . 3 0 . . . 2010 Morino Y (21) 2 0 0 11 1 36 2 0 2 8 2010 Lee NH (22) 0 0 0 0 0 . 1 0 . . 2009 Chen SL (23) 3 0 0 . 4 5 4 3 . . 2009 Rathore S (24) 0 1 0 6 1 6 1 . . . 2009 Chung SH (25) 1 0 0 . . . 0 . . . 2009 Park CS (26) 1 0 0 0 0 . . . . . 2009 Kimura M (27) 1 1 0 10 2 7 1 . . . 2009 Thompson CA (28) 0 0 0 18 . 6 . . . . 2009 Rathore S (29) 5 2 0 27 5 103 6 7 . . 2009 Rathore S (30) 1 3 0 17 . . . . 1 1 2009 Paizis I (31) 0 0 0 12 . 0 0 . 3 . 2009 Hsu JT (32) 0 0 0 6 . 12 . . . . 2008 Sianos G (33) 0 0 1 7 0 0 0 . . . 2008 Tiroch K (34) 0 1 0 6 1 2 1 . . . 2008 Carlino M (35) 0 0 0 7 0 5 0 0 . . 2008 Mitsudo K (36) 0 0 0 0 0 9 2 . . . 2008 de Labriolle A (37) 0 1 0 . 0 3 1 1 . . 2008 Valenti R (38) 0 0 0 21 0 . 2 . . 18 2008 Chamie D (39) 0 0 0 0 0 1 0 . . . 2008 Han YL (40) 0 0 0 0 0 1 0 . . . 2008 Barlis P (41) 1 0 0 5 0 . 0 . . . 2008 Biondi-Zoccai GG (42) 0 0 0 1 0 . . . . . 2008 Saito S (43) 0 0 0 0 0 1 1 0 . . 2008 Suzuki S (44) 0 0 0 . . . . . . . 2007 Prasad A (45) 12 14 0 104 30 . 9 . . . 2007 Di Mario C (46) 0 0 0 0 0 . 0 . . . 2007 Aziz S (47) 3 0 4 32 0 . . . . . 2007 Werner GS (48) 0 0 0 . . 3 0 . . . 2006 Kim JY (49) 0 0 0 1 0 2 . . 0 0 2006 Drozd J (50) 1 1 0 2 1 5 1 . 3 . 2006 Han YL (51) 3 1 0 . . 9 3 6 . . 2006 Melzi G (52) 0 0 0 1 . 1 0 . . . 2005 Abbas AE (53) 0 1 0 1 0 4 0 . . 3 2005 Drozd J (54) 1 1 0 . 1 8 1 . 2 . 2005 Dong S (55) 1 0 0 4 . 4 0 . . . 2004 Baim DS (56) 0 0 0 6 0 3 3 . . . 2004 Hoye A (57) 0 0 0 0 0 . 0 . . . 2004 Sheiban I (58) 0 2 0 4 0 3 2 0 0 . 2003 Olivari Z (59) 1 2 0 17 1 8 0 2 . . 2002 Mathew OP (60) 0 0 0 1 1 0 0 0 Suero JA (61) 27 1 15 0 2001 1 48 10 . . 30 34 . 2000 Sheiban I (62) 0 0 0 0 0 1 0 0 . . 2000 Serruys PW (63) 0 0 0 17 . 36 0 . . . 2000 Lefevre T (64) 0 0 0 . . 6 0 . . . 2000 Noguchi T (65) 0 0 1 3 . . . . . . CABG, coronary artery bypass graft surgery; MI, myocardial infarction Supplemental Table 2. Cumulative proportion and 95% confidence intervals for overall cohort Outcome Cumulative Rate Cumulative Proportion Cumulative Proportion % 95% CI Angiographic Success 14414/18828 76.6 75.9 - 77.2 MACE 500/15718 3.2 2.9 – 3.5 Death 77/18061 0.4 0.3 – 0.5 Emergent coronary artery bypass graft 52/18061 0.3 0.2 – 0.4 Stroke 11/18061 < 0.01 0 – 0.1 Myocardial infarction 490/15718 3.1 2.9 – 3.4 Q Wave myocardial infarction 61/13353 0.5 0.3 – 0.6 Coronary perforation (per lesion) 418/12254 3.4 3.1 – 3.7 Tamponade 74/13103 0.6 0.4 – 0.7 Acute Stent thrombosis 51/9338 0.6 0.4 – 0.7 Vascular complication 66/7308 0.9 0.7 – 1.1 Major bleed 32/5108 0.6 0.4 – 0.9 Contrast nephropathy 165/4796 3.4 2.9 – 4.0 Radiation injury 3/2857 0.1 0 – 0.3 surgery MACE, major adverse cardiac events Supplemental Table 3. Cumulative proportion and 95% confidence intervals for retrograde cohort Outcome Cumulative Rate Cumulative Proportion Cumulative Proportion % 95% CI Angiographic Success 707/886 80.0 75.9 - 77.2 MACE 31/853 3.6 2.5 – 5.1 Death 1/884 0.1 0 – 0.6 Emergent coronary artery bypass graft 1/884 0.1 0 – 0.6 Stroke 1/884 0.1 0 – 0.6 Myocardial infarction 28/853 3.3 2.2 – 4.7 Q Wave myocardial infarction 2/803 0.2 0 – 0.9 Coronary perforation (per lesion) 31/828 3.7 2.6 – 5.3 Tamponade 9/817 1.1 0.5 – 2.1 Acute Stent thrombosis 1/428 0.2 0 – 1.3 Contrast nephropathy 6/378 1.6 0.6 – 3.4 Radiation injury 1/293 0.3 0 – 1.9 surgery MACE, major adverse cardiac events Supplemental Figure 1. Funnel plot for angiographic success rate Supplemental Figure 2. Funnel plot for death rate References 1. 2. 3. 4. 5. 6. 7. 8. Galassi AR, Tomasello SD, Costanzo L et al. Mini-STAR as bail-out strategy for percutaneous coronary intervention of chronic total occlusion. 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