Predictors of success in primary retrograde strategy in chronic total occlusion percutaneous coronary intervention: insights from the PROGRESS-chronic total occlusion registry

Bahadir Simsek, Spyridon Kostantinis, Judit Karacsonyi, Khaldoon Alaswad, Dimitri Karmpaliotis, Amirali Masoumi, Farouc A. Jaffer, Darshan Doshi, Jaikirshan Khatri, Paul Poommipanit, Sevket Gorgulu, Nidal Abi Rafeh, Omer Goktekin, Oleg Krestyaninov, Rhian Davies, Ahmed ElGuindy, Elias V. Haddad, Jimmy Kerrigan, Mitul Patel, Raj H. ChandwaneyOlga C. Mastrodemos, Salman Allana, Bavana V. Rangan, Emmanouil S. Brilakis

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Background: An upfront (primary) retrograde strategy is often used in complex chronic total occlusion (CTO) percutaneous coronary intervention (PCI). Methods: We examined the clinical, angiographic characteristics, and procedural outcomes of CTO PCIs that were approached with a primary retrograde strategy in the Prospective Global Registry for the Study of CTO Intervention (PROGRESS-CTO, NCT02061436). Results: Of 10,286 CTO PCIs performed between 2012 and 2022, a primary retrograde strategy was used in 1329 (13%) with an initial technical success of 66%, and a final success of 83%. Patients who underwent successful versus unsuccessful primary retrograde cases had similar characteristics: age (65 ± 10 vs. 65 ± 9, years, p = 0.203), men (83% vs. 87%, p = 0.066), prior PCI (71% vs. 71%, p = 0.809), and prior coronary artery bypass graft surgery (52% vs. 53%, p = 0.682). The PROGRESS-CTO score (1.3 ± 0.9 vs. 1.6 ± 0.9, p < 0.001), air kerma radiation (3.9 ± 2.8 vs. 3.4 ± 2.6, gray, p = 0.013), and contrast use (294 ± 148 ml vs. 248 ± 128, ml, p < 0.001) were higher in the unsuccessful group, whereas the presence of interventional collaterals (95% vs. 72%, p < 0.001) and Werner collateral connection grade 2 (43% vs. 31%, p < 0.001) were higher in the successful group. On multivariable logistic regression analysis, the only variable associated with a successful primary retrograde strategy was the presence of interventional collaterals: odds ratio: 6.52 (95% confidence intervals; 3.5–12.1, p < 0.001). Conclusion: Presence of interventional collaterals is independently associated with higher success rates with a primary retrograde strategy in CTO PCI.

Original languageEnglish (US)
Pages (from-to)19-27
Number of pages9
JournalCatheterization and Cardiovascular Interventions
Volume100
Issue number1
DOIs
StatePublished - Jul 1 2022
Externally publishedYes

Keywords

  • chronic total occlusion
  • percutaneous coronary intervention
  • predictors of success
  • primary retrograde strategy
  • technical success

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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