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  • Intravascular lithotripsy i...
    Kostantinis, Spyridon; Simsek, Bahadir; Karacsonyi, Judit; Davies, Rhian E.; Benton, Stewart; Nicholson, William; Rinfret, Stephane; Jaber, Wissam A.; Raj, Leah; Sandesara, Pratik B.; Alaswad, Khaldoon; Basir, Mir Babar; Megaly, Michael; Khatri, Jaikirshan J.; Young, Laura D.; Jaffer, Farouc A.; Abi Rafeh, Nidal; Patel, Mitul P.; Kerrigan, Jimmy L.; Haddad, Elias V.; Dattilo, Phil; Sandoval, Yader; Schimmel, Daniel R.; Sheikh, Abdul M.; ElGuindy, Ahmed M.; Goktekin, Omer; Mastrodemos, Olga C.; Rangan, Bavana V.; Burke, M. Nicholas; Brilakis, Emmanouil S.

    Catheterization and cardiovascular interventions, October 1, 2022, 2022-10-00, 20221001, Letnik: 100, Številka: 4
    Journal Article

    Background The use of intravascular lithotripsy (IVL) in chronic total occlusion (CTO) percutaneous coronary intervention (PCI) has received limited study. Methods We analyzed the baseline clinical and angiographic characteristics and procedural outcomes of 82 CTO PCIs that required IVL at 14 centers between 2020 and 2022. Results During the study period, IVL was used in 82 of 3301 (2.5%) CTO PCI procedures (0.4% in 2020 and 7% in 2022; p for trend < 0.001). Mean patient age was 69 ± 11 years and 79% were men. The prevalence of hypertension (95%), diabetes mellitus (62%), and prior PCI (61%) was high. The most common target vessel was the right coronary artery (54%), followed by the left circumflex (23%). The mean J‐CTO and PROGRESS‐CTO scores were 2.8 ± 1.1 and 1.3 ± 1.0, respectively. Antegrade wiring was the final successful crossing strategy in 65% and the retrograde approach was used in 22%. IVL was used in 10% of all heavily calcified lesions and 11% of all balloon undilatable lesions. The 3.5 mm lithotripsy balloon was the most commonly used balloon (28%). The mean number of pulses per lithotripsy run was 33 ± 32 and the median duration of lithotripsy was 80  (interquartile range: 40−103) seconds. Technical and procedural success was achieved in 77 (94%) and 74 (90%) cases, respectively. Two (2.4%) Ellis Class 2 perforations occurred after IVL use and were managed conservatively. Conclusion IVL is increasingly being used in CTO PCI with encouraging outcomes.