ArticleLa Tunisie medicale2025
Chronic total occlusion- Percutaneous coronary intervention (CTO-PCI) experience in a single, multi-operator Tunisian center : A Five-Year Report.
Article in La Tunisie medicale, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionIn recent years, advancements in chronic total occlusion (CTO) percutaneous coronary intervention (PCI) have been notable, improving procedural techniques, imaging, and management of complications.
aimWe sought to assess the performance and the practice of a high-volume Tunisian PCI center in treating patients with a CTO.
methodsWe retrospectively evaluated data from consecutive CTO patients who underwent percutaneous revascularization from October 2019 to January 2024 at the cardiology department of Habib Thameur Teaching Hospital, Tunisia. Operators' experience and CTO-PCI volume were also documented.
resultsThe cohort consisted of 58 patients, predominantly male (86.2%), with an average age of 59.8±9.6 years. The right coronary artery was the most common CTO site (56.9%). The antegrade approach was adopted in 96.5% of the cases, with the antegrade wiring (AW) being the preferred technique (81%). Key procedural characteristics included the use of multiple access sites and dual coronary injection in 44.8% of the cases, multiple guidewires in 50%, additional support modality in 68.9% and drug-eluting stents in all instances. The procedural success rate was 75.9%, with an in-hospital adverse outcome rate of 13.8% and a major adverse cardiac event (MACE) rate of 3.4%. A significant impact of operator experience and volume on success rates (85.3% vs 62.5%, p=0.04) and adverse outcomes (25% vs 5.8%, p=0.03) was observed, with trained operators and higher-volume practitioners achieving better results.
conclusionIn a single-center setting with a conservative CTO cohort, acceptable PCI success rates were achieved. We highlighted the positive impact of CTO training programs and PCI procedures volume on the overall outcomes.
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