Table 2 Procedural data of patients with Dunning dissections treated by percutaneous coronary intervention. aelective CTO with puncture of two vessels. CTO chronic total occlusion, F french, SD standard deviation
From: Follow-up of iatrogenic aorto-coronary "Dunning" dissections by cardiac computed tomography imaging
Dunning dissections, n (%) | |
Type I | 3 (38) |
Type II | 1 (13) |
Type III | 4 (50) |
Revascularized vessel, n (%) | |
Left main trunk (LMT) and Left anterior descending (LAD) | 1 (13) |
Right coronary artery (RCA) | 7 (88) |
Multivessel disease | 8 (100) |
Chronic total occlusion CTO) | 3 (38) |
Arterial access, n (%) | |
6 F | 7 (88) |
7 F | 1 (13) |
Radial | 1 (13) |
Brachiala | 2 (25) |
Femorala | 6 (75) |
Antithrombotic treatment, n (%) | |
Acetylsalicylacid | 8 (100) |
Heparin | 8 (100) |
Clopidogrel | 6 (75) |
Prasugrel | 2 (25) |
Abciximab | 2 (25) |
Vitamin K antagonists | 2 (25) |
Non compliant (NC) balloon, n (%) | 3 (38) |
Procedural data, median (IQR) | |
Maximum dilation pressure (atm) | 18.0 (17.0–20.0) |
Maximum balloon diameter (mm) | 3.0 (3.0–3.5) |
Maximum balloon length (mm) | 15.0 (15.0–16.3) |
Total stent length (mm) | 30.5 (24.8–59.5) |
Coronary angiography data, median (IQR) | |
Procedure time (min) | 80.5 (63.5–108.3) |
Total fluoroscopy time (min) | 19.4 (12.6–30.3) |
Total contrast volume (ml) | 255.0 (158.5–341.3) |
Total radiation exposure (Gycm2) | 62.0 (42.3–177.3) |
CT-data, median (IQR) | |
Radiation-Dose (mSV) | 1.9 (1.7–2.0) |
Dose length product (mGy x cm) | 133.2 (121.0–142.3) |
Total contrast volume (ml) | 90 (90.0–90.0) |