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[Ischemic J wave changes before and post percutaneous coronary intervention in patients with coronary artery disease]

Wu-yi Guo1, Bao Li, Na Guo

  • 1Shanxi Cardiovascular Hospital, Taiyuan 030024, China. octwhy@sina.com

Zhonghua Xin Xue Guan Bing Za Zhi
|December 24, 2010
PubMed

Insights

Percutaneous coronary intervention (PCI) did not change the number of lead groups with ischemic J waves in coronary heart disease (CHD) patients. However, PCI reduced the amplitude of these J waves, indicating an improvement in ischemic J waves post-procedure.

Area of Science:

  • Cardiology
  • Electrocardiography
  • Interventional Cardiology

Context:

  • Coronary heart disease (CHD) poses significant risks.
  • Ischemic J waves on ECG can indicate myocardial injury.
  • Percutaneous coronary intervention (PCI) is a common treatment for CHD.

Purpose:

  • To investigate the incidence and characteristics of ischemic J waves before and after PCI in CHD patients.
  • To analyze changes in J wave amplitude and number of affected leads post-PCI.

Summary:

  • A study analyzed 12-lead ECGs from 117 CHD patients before and after PCI.
  • The number of lead groups with J waves remained similar, but the incidence of small J waves increased, while large and enormous J waves decreased post-PCI.
  • Specifically, J wave amplitude showed a reduction after PCI.

Impact:

  • PCI may improve the characteristics of ischemic J waves in CHD patients.
  • This suggests a potential benefit of PCI beyond revascularization.
  • Further research can explore the prognostic value of these J wave changes.
Abstract

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