Outcomes of Patients Undergoing PCI of Ostial Coronary Lesions: A Single-Center Study

Lior Zornitzki, Aviram Hochstadt, Itamar Loewenstein, Johnathan Erez, Atalia Wenkert, Yonatan Moshkovits, Ella Toledano, Ehud Chorin, Jeremy Ben-Shoshan, Amir Halkin, Samuel Bazan, Yaron Arbel, Ariel Finkelstein, Shmuel Banai, Maayan Konigstein*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Ostial coronary lesions are a subset of proximal coronary lesions, which are relatively more difficult to treat and were associated with worse clinical outcomes in the early percutaneous coronary intervention (PCI) era. Data regarding the outcomes of ostial lesions' PCI in the contemporary era are lacking. Methods: We conducted a single-center, all-comer, prospective registry study, enrolling patients undergoing PCI with the use of contemporary drug-eluting stents (DES) between July 2016 and February 2018. Included in the present analysis were only patients treated for proximal lesions. Clinical outcomes were compared between patients undergoing PCI of ostial versus proximal nonostial lesions. The primary endpoint was target vessel revascularization (TVR). Secondary endpoints included target lesion revascularization (TLR) and major cardiovascular adverse events (MACE) at 12 months. Results: A total of 334 (84.7% male, 67.3 ± 10.7 years) patients were included, of which 91 patients were treated for ostial lesions and 243 were treated for proximal nonostial lesions. Baseline and procedural characteristics were similar between the two groups. At 12 months, TVR and TLR were numerically higher among patients undergoing PCI of ostial versus nonostial lesions without reaching statistical significance (5.5% vs. 3.3%; p = 0.35 and 4.4% vs. 2.5%; p = 0.47, respectively). The rate of MACE was similar between the two groups. Conclusion: In patients undergoing PCI with the use of contemporary DES, clinical outcomes were similar among patients treated for ostial compared to proximal nonostial lesions. Larger studies are required to further evaluate the performance of contemporary DES in this subset of lesions.

Original languageEnglish
Pages (from-to)367-374
Number of pages8
JournalCardiology
Volume147
Issue number4
DOIs
StatePublished - 1 Oct 2022

Keywords

  • Interventional cardiology
  • Major cardiovascular adverse events
  • Ostial lesions
  • Outcomes
  • Percutaneous coronary intervention
  • Target lesion revascularization
  • Target vessel revascularization

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