Comparison of outcomes of percutaneous coronary intervention on proximal versus non-proximal left anterior descending coronary artery, proximal left circumflex, and proximal right coronary artery: A cross-sectional study
2007

Comparing Outcomes of Heart Procedures on Different Coronary Arteries

Sample size: 785 publication 10 minutes Evidence: moderate

Author Information

Author(s): Alidoosti Mohammad, Salarifar Mojtaba, Zeinali Ali Mohammad Haji, Kassaian Seyed Ebrahim, Dehkordi Maria Raissi

Primary Institution: Tehran Heart Center, Medical Sciences/University of Tehran

Hypothesis

Does the location of lesions in coronary arteries affect the outcomes of percutaneous coronary intervention?

Conclusion

Long-term outcomes of PCI on proximal LAD are similar to those on proximal LCX/RCA and non-proximal LAD, despite better angiographic success rates in proximal LAD.

Supporting Evidence

  • Patients with proximal LAD had better angiographic success rates compared to other groups.
  • Long-term outcomes were similar across all groups despite the higher risk associated with proximal LAD lesions.
  • Drug-eluting stents were used more frequently in the proximal LAD group.

Takeaway

Doctors looked at how well heart procedures work on different parts of the heart's arteries. They found that even though one part usually has more problems, the results are similar when using new techniques.

Methodology

The study compared outcomes of PCI on proximal LAD versus proximal LCX/RCA and non-proximal LAD in a cohort of 785 patients, excluding those with certain complications.

Limitations

The study had a relatively small sample size of patients who developed complications, making it difficult to determine predictors of MACE.

Participant Demographics

Patients included were undergoing PCI, with exclusions for cardiogenic shock, primary PCI, total occlusions, and multivessel or multi-lesion PCI.

Statistical Information

P-Value

p<0.05

Confidence Interval

95% CI = 0.19–3.89

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2261-7-7

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