Chronic total occlusion- Percutaneous coronary intervention (CTO-PCI) experience in a single, multi-operator Tunisian center : A Five-Year Report

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Published Jan 2, 2025
https://doi.org/10.62438/tunismed.v103i1.4940
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Vol. 103 No. 1 (2025): Tunis Med Jan 2025

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Hakim Lamine
Department of Cardiology , Habib Thameur university hospital, Tunis. Faculty of medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
https://orcid.org/0009-0002-5429-7842
Hela Bouzidi
Department of Cardiology , Habib Thameur university hospital, Tunis. Faculty of medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
Slim Hammami
Department of Cardiology , Habib Thameur university hospital, Tunis. Faculty of medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
Syrine Saidane
Department of Cardiology , Habib Thameur university hospital, Tunis. Faculty of medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
Skander Iddir
Department of Cardiology , Habib Thameur university hospital, Tunis. Faculty of medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
Sondos Kraeim
Department of Cardiology , Habib Thameur university hospital, Tunis. Faculty of medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia

Abstract

Introduction: In recent years, advancements in chronic total occlusion (CTO) percutaneous coronary intervention (PCI) have been notable, improving procedural techniques, imaging, and management of complications.


Aim: We sought to assess the performance and the practice of a high-volume Tunisian PCI center in treating patients with a CTO.


Methods: We 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.


Results: The 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.


Conclusion: In a single-center setting with a conservative CTO cohort, acceptable PCI success rates were achieved. We highlighted the positive impact .....(abstract truncated at 250 words).

Keywords:

Chronic total occlusion, Percutaneous coronary intervention, Experience, Tunisia

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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