Comparison of adenosine and treadmill exercise thallium-201 stress tests for the detection of coronary artery disease

被引用文献1件
  • ABE S
    The First Department of Internal Medicine, Yamagata University School of Medicine
  • TAKEISHI YASUCHIKA
    The First Department of Internal Medicine, Yamagata University School of Medicine
  • CHIBA JUNYA
    The First Department of Internal Medicine, Yamagata University School of Medicine
  • IKEDA KOZUE
    The First Department of Internal Medicine, Yamagata University School of Medicine
  • TOMOIKE HITONOBU
    The First Department of Internal Medicine, Yamagata University School of Medicine

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To determine the clinical usefulness of adenosine Tl-201 imaging for the evaluation of coronary artery disease, 22 patients with suspected coronary artery disease who underwent adenosine and exercise Tl-201 single photon emission computed tomography (SPECT) were studied. The peak levels of heart rate (83 vs 123 bpm, p< 0.001), systolic blood pressure (124 vs 164 mmHg, p< 0.001), diastolic blood pressure (70 vs 86 mmHg, p< 0.01) and rate pressure products (10220 vs 20410 bpm × mmHg, p< 0.001) were markedly smaller during adenosine infusion than during exercise. Segmental agreements between adenosine and exercise tests were 90% (218 of 242 segments) regarding the presence of perfusion defects and 89% (215 of 242 segments) regarding the presence of redistribution. Regional Tl-201 defects during adenosine testing were closely correlated with those of exercise testing. Adenosine and exercise tests showed similar sensitivities for the identification of individual coronary stenosis (85% vs 78%). However, in patients who were unable to perform adequate exercise (maximal heart rate < 120 bpm), the sensitivity of adenosine imaging tended to be higher than that of exercise imaging (92% vs 69%, p=0.07) Adenosine Tl-201 imaging is an alternative to the exercise test for assessing the severity and loci of coronary artery disease, especially in patients who are unable to perform adequate physical exercise.

収録刊行物

  • Jpn Circ J

    Jpn Circ J 57 1111-1119, 1993

    社団法人日本循環器学会

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