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Diagnostic value of stress echocardiography for the detection of restenosis after PTCA

Authors
Journal
International Journal of Cardiology
0167-5273
Publisher
Elsevier
Publication Date
Volume
98
Issue
2
Identifiers
DOI: 10.1016/j.ijcard.2004.02.012
Keywords
  • Stress Echocardiography
  • Dipyridamole Echocardiography
  • Exercise Echocardiography
  • Dobutamine Echocardiography
  • Restenosis
  • Ptca
  • Angioplasty
Disciplines
  • Biology
  • Medicine
  • Pharmacology

Abstract

Abstract Stress echocardiography (SE) has become a widely accepted clinical tool for the non-invasive diagnosis of coronary artery disease (CAD). Previous studies have confirmed that SE has superior diagnostic value compared to exercise ECG testing. SE has also emerged as a cost-effective alternative to nuclear imaging techniques in patients where symptoms and/or conventional ECG stress testing have provided ambiguous results. Several studies have investigated the value of SE to detect significant restenosis after PTCA. However, in these studies, different methods have been used to induce cardiovascular stress such as physical exercise by bicycle or treadmill, pharmacologic stress testing (with dipyridamole or dobutamine) or transoesphageal atrial pacing. This review evaluates the published database of SE to detect restenosis in patients after successful PTCA. It includes 13 studies with a total of 989 patients performed at 3–6 months after the primary intervention. The diagnostic value, utility and limitations of SE is presented and discussed. The data show that SE has a high diagnostic value for detecting significant restenosis after PTCA. Mean sensitivity of SE was 74% (CI 69–79%), mean specificity was 87% (CI 84–89%). The positive predictive value (PPV) of SE was 83%, the overall negative predictive value (NPV) 97%. We conclude that, in the follow-up of patients after PTCA, SE has distinct advantages over other non-invasive methods and is a recommended method for the detection of those to be considered for repeat angiography.

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