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    The value of late potential anaysis as a reperfusion criterion in acute myocardial infarction
    (2000) Iltümür K.; Kaymak H.; Ülgen M.S.; Temamoğullari A.V.; Karabulut A.; Karadede A.; Alan S.
    Various methods are available to evaluate reperfusion following thrombolytic treatment (TT) in Acute Myocardial Infarction (AMI). A few authors reported an inverse correlation between late potential (LP) positiveness and reperfusion in signal averaged ECG studies. Current prospective study was planned to investigate the value of LP analysis as a criterion of reperfusion following TT in AMI. METHODS:Ninety-two AMI patients (76 males and 16 females, with an average age of ± years) who were admitted to our clinics in the first twelve hours of pain initiation and were exposed AMI first time were enrolled. All patients had TT (TPA, n=31 or Streptokinase, n=61). Their clinical and labaratory parameters were recorded. RESULTS:Infarct related vessel was demonstrated angiographically in 69 patients (75%). Twenty-three (25%) had an occluded infarct related vessel. The LP incidence was quite low in cases with a patent infarct related vessel (7%) whereas it was higher in those with an occluded vessel (80%)(p<0.0001).Sensivity, specificity, positive and negative predictive values of LP analysis to put forward infarct related vessel patency were 95%, 80%, 92% and 87%, respectively. CONCLUSION: LP analysis with signal-averaged ECG might be used as a reperfusion criterion in AMI cases following TT.