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Comparative Study
. 2003 Dec;110(6):1405-14.

[The diagnostic value of stress dobutamine echocardiography in stable coronary artery diseases]

[Article in Polish]
Affiliations
  • PMID: 15052935
Comparative Study

[The diagnostic value of stress dobutamine echocardiography in stable coronary artery diseases]

[Article in Polish]
Michał Lewandowski et al. Pol Arch Med Wewn. 2003 Dec.

Abstract

The relation of stress dobutamine echocardiography test results to angiographic features was assessed in 551 patients with chest pain regarded as definite or probable stable angina pectoris. The indications for catheterization in each patient were determined at the discretion of the attending physician. All patients underwent diagnostic coronary angiography (clinically important coronary artery disease was defined as > 50 per cent narrowing of the diameter of at least one major vessel or > or = 50 per cent of the left main coronary artery) and stress dobutamine echocardiography (DSE): Ischemia was defined as new or worsening wall motion abnormalities using a 16-segment model. Sensitivity and specificity of DSE was calculated: 85% and 69% respectively for the entire group, 79% and 71% in women, 87% and 66% in men and compared with diagnostic value of the electrocardiographic exercise test (EE) in the same population. Sensitivity and specificity of the EE was respectively: 93% and 21% for the entire group, 91% and 16% in women, 94% and 27% in men.

Conclusions: 1. DSE has comparable sensitivity but significantly higher specificity than EE. 2. Variables determining false positive result of DSE are as follows: mean maximal heart rate, reached % of the target heart rate and wall motion abnormalities present in single segment. 3. Variables determining false negative results are: sex (male) and one vessel disease. 4. Treatment with beta-adrenolytic agents increases incidence of nondiagnostic results of DSE.

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