• P Guerre-Berthelot, P Crama, F Prima, C Oddoze, A Branchereau, F Gouin, and J P Auffray.
• Département d'anesthésie et réanimation, hôpital Sainte-Marguerite, Marseille, France.
• Ann Fr Anesth Reanim. 1997 Jan 1;16(8):950-4.

ObjectiveTo compare the incidence of myocardial damages diagnosed following vascular surgery using the cardiac troponin I measurement technique and conventional methods.Study DesignProspective epidemiological study.PatientsFifty-four patients who underwent surgery for either aneurysmal disease in 28 cases or occlusive aortic disease in 26 cases.MethodsPlasma concentration of cardiac troponin I (significant at a concentration > 1.5 ng.mL-1) was measured by immunoenzymofluorimetry on the second and fifth postoperative days. Conventional monitoring methods included daily electrocardiogram (ECG), enzymatic assay of total-PCK, and measurement of plasma levels of the MB isoenzyme of phosphokinase creatine (MB-PCK) (significant at > 1 ng.mL-1 and RI > 1.5).ResultsThe cardiac troponin I measurement technique allowed the diagnosis of minor myocardial damages during the postoperative period in five patients, whereas with the conventional methods (clinical signs. ECG, and MB-PCK) only three myocardial lesions were diagnosed.ConclusionThe cardiac troponin I measurement technique allows diagnosis of minor myocardial damages following vascular surgery. Conventional methods underestimate the incidence of these damages.

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