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Clinical Outcomes Following Simple or Complex Stenting for Coronary Bifurcation Lesions: A Meta-Analysis

Qun Zhang1,2,3, Hengshan Huan1,4, Yu Han1,2,3

  • 1Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.

Clinical Medicine Insights. Cardiology
|August 19, 2022
PubMed

Insights

Simple stenting strategies for coronary bifurcation lesions significantly reduce long-term major adverse cardiac events (MACEs). This meta-analysis found simple strategies to be superior to complex ones over a 5-year period.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Technology

Background:

  • Coronary artery disease treatment involves stent placement, particularly for challenging bifurcation lesions.
  • Both simple and complex stenting techniques exist, but their comparative long-term efficacy is not well-established.

Purpose of the Study:

  • To compare the long-term clinical outcomes of simple versus complex stenting strategies in patients with coronary bifurcation lesions.

Main Methods:

  • A meta-analysis of 11 randomized controlled trials involving 2494 patients.
  • Included trials were identified through comprehensive searches of PubMed, EMBASE, and Cochrane Central Register of Controlled Trials.
  • Outcomes were assessed at 6 months, 1 year, and 5 years, with major adverse cardiac events (MACEs) as the primary endpoint.

Main Results:

  • The simple stenting strategy showed a trend towards lower MACEs at 1 year (OR 0.61, P=.08).
  • A statistically significant reduction in MACEs was observed at 5 years with the simple strategy compared to the complex strategy (OR 0.69, P=.01).
  • No significant heterogeneity was detected across the included studies (I²=0% for all time points).

Conclusions:

  • The simple stenting strategy is associated with a lower incidence of long-term major adverse cardiac events in patients with coronary bifurcation lesions.
  • This finding suggests that simpler approaches may offer superior long-term prognosis for this patient population.
Abstract

Keywords:
Coronary bifurcation lesionslong-term prognosismajor adverse cardiac eventsstent strategy

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