Angioplastie coronaire des occlusions totales chroniques : Une expérience monocentrique de 5 ans
DOI :
https://doi.org/10.62438/tunismed.v104i02.6457Mots-clés :
Occlusion chronique totale, Intervention coronaire percutanée, Pronostic, Succès technique.Résumé
Introduction : Les occlusions totales chroniques (CTO) sont fréquentes (15-30%) mais leur désocclusion ne présente que 10% des interventions coronaires percutanées (ICP). Les données tunisiennes sont rares. Cette étude vise à combler cette lacune en analysant les résultats à court et long terme.
Méthodes :Étuderétroprospective monocentrique, entre 2018 et 2023. Le critère principal de jugement était le succès technique, les complications et les échecs de la lésion cible à 12 mois. Le critère secondaire était d'identifier les facteurs associés à l'échec technique.
Résultats : 115 patients, 122 lésions CTO, 133 procédures. Age moyen 62±14,4 ans. Genre-Ratio=6. Le J-CTO score était 1,47±1,12. L’injection controlatérale (43,6%) et l’utilisation de microcathéters (50,4%) étaient sous-utilisées. Le nombre du guide était de 2,35±1,1 par procédure. L'approche antérograde, rétrograde et hybride étaient de 85%, 9,0% et 6,0%, respectivement. Le taux de succès technique était de 69,2% (133 procédures) et procédural de 73,0% (115 patients). Le taux de complications majeures était à 3%. À 12 mois, la mortalité cardiovasculaire était de 7,0% non influencée par le résultat procédural. L'échec de la lésion cible était de 9,4%. Les facteurs associés à l'échec technique étaient l'implication de bifurcations (OR=5,83 [1,69–20,10]; p=0,005), l'utilisation de plus de 4 guides (OR=6,83 [1,63–28,65]; p=0,009), les CTO de-novo (OR=8,43 [1,94–36,55]; p=0,004), les tentatives précédentes (OR=8,87 [1,82–43,62]; p=0,007), et la non-utilisation de microcathéter (OR=11,39 [3,53–36,77]; p=0,001).
Conclusion : Ce registre confirme des résultats immédiats satisfaisants de l’ICP de CTO. La survie à 12 mois était indépendante du résultat procédural.
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