Myoglobin, creatine kinase MB, troponin T, and troponin I — rapid bedside assays in patients with acute chest pain

  • K. Penttilä
  • H. Koukkunen
  • A. Kemppainen
  • M. Halinen
  • T. Rantanen
  • K. Pyörälä
  • I. Penttilä


Three new rapid, qualitative bedside immunoassays were evaluated in the diagnosis of patients with acute chest pain. The subjects, 122 patients in group 1 (bedside tests for myoglobin, creatine kinase MB) and 233 patients in group 2 (bedside tests for troponin I and sensitive troponin T) were admitted to hospital with acute chest pain for less than 12 h. The bedside tests were performed on admission, and 2, 4, and 6 h later. The correlation between the two parts of the rapid creatine kinase MB/myoglobin test during the first 12 h after the onset of chest pain was moderate in all patients (κ=0.401, 95% confidence interval 0.321–0.483). The highest correlation was seen with the patients with definite and probable myocardial infarction. The correlations were smaller but significant also in other diagnostic groups (unstable angina pectoris, prolonged chest pain, and non-cardiac chest pain). The correlation between the rapid sensitive test for troponin T and rapid test for troponin I was significant in all groups (κ=0.776, 95% confidence interval 0.711–0.841). The myoglobin part of the rapid creatine kinase MB/myoglobin test may be too non-specific for clinical diagnostic purposes [in non-infarct patients the myoglobin part was significantly more often positive than creatine kinase MB or troponin tests (P<0.001)].

Key words

Cardiac marker Immunochomatography Myocardial infarction 


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Copyright information

© Springer-Verlag 1999

Authors and Affiliations

  • K. Penttilä
    • 1
  • H. Koukkunen
    • 2
  • A. Kemppainen
    • 2
  • M. Halinen
    • 2
  • T. Rantanen
    • 1
  • K. Pyörälä
    • 2
  • I. Penttilä
    • 1
  1. 1.Department of Clinical ChemistryKuopio University HospitalKuopioFinland
  2. 2.Department of MedicineKuopio University HospitalKuopioFinland

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