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Research Article

Early and long-term prognosis in patients with remaining chronic total occlusions after revascularization attempt. A cohort study from the SKEJ-CTO registry

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Pages 17-24 | Received 02 Sep 2022, Accepted 17 Nov 2022, Published online: 25 Nov 2022

Figures & data

Figure 1. Study definitions. The cohort consisted of 608 patients presenting with ≥1 CTO (CTO definitions) and underwent CTO PCI at Aarhus University Hospital 2009–2019 (index procedure). It was stratified due to the presence of remaining CTO(s) after index procedure (green and red boxes).

Figure 1. Study definitions. The cohort consisted of 608 patients presenting with ≥1 CTO (CTO definitions) and underwent CTO PCI at Aarhus University Hospital 2009–2019 (index procedure). It was stratified due to the presence of remaining CTO(s) after index procedure (green and red boxes).

Figure 2. Study flow-chart.

Figure 2. Study flow-chart.

Table 1. Patient characteristics.

Table 2. Anatomical and procedural characteristics.

Table 3. 30-day safety outcome.

Figure 3. Main long-term outcome: Kaplan Meier estimates illustrating differences in (A) all-cause mortality and (B) MACCE in patients with all CTOs opened (green) versus with remaining CTOs post index procedure (red). Landmark analyses illustrates difference in (C) all-cause mortality and (D) MACCE between the groups from Day 30 until after 8 years of follow-up. Adjusted HRs are shown on each chart.

Figure 3. Main long-term outcome: Kaplan Meier estimates illustrating differences in (A) all-cause mortality and (B) MACCE in patients with all CTOs opened (green) versus with remaining CTOs post index procedure (red). Landmark analyses illustrates difference in (C) all-cause mortality and (D) MACCE between the groups from Day 30 until after 8 years of follow-up. Adjusted HRs are shown on each chart.

Table 4. Long-term main outcomes.

Supplemental material

Supplemental Material

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Data availability statement

Data of the current study cannot be shared due to restrictions.