Journal of vector borne diseases · 2011
Does electrocardiography at admission predict outcome in Crimean -Congo hemorrhagic fever?
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Yilmaz Mehmet Birhan, Engin Aynur, Bektasoglu Gokhan, Zorlu Ali, Ege Meltem Refiker, Bakir Mehmet, Dokmetas Ilyas
Аннотация
BACKGROUND & OBJECTIVES: Crimean - Congo hemorrhagic fever is an acute viral hemorrhagic fever with considerable mortality. Despite increasing knowledge about hemorrhagic fever viruses, the pathogenesis of Crimean -Congo hemorrhagic fever and causes of death were not well described. We aimed to evaluate whether there were electrocardiographic parameters designating mortality among these patients.
STUDY DESIGN: This retrospective study was performed among confirmed Crimean -Congo hemorrhagic fever cases in Turkey. Electrocardiography was available in 49 patients within 24 h of hospitalization. All electrocardiograms were evaluated by two expert cardiologists according to Minnesota coding system.
RESULTS: Among patients with available electrocardiograms, there were 31 patients who survived, and 18 patients who died of Crimean - Congo hemorrhagic fever. Both groups were similar in terms of age, sex, body temperature, heart rate, and blood parameters. T-wave changes and bundle branch block were more frequently encountered among those who died. Presence of T-wave negativity or bundle branch block in this cohort of patients with Crimean -Congo hemorrhagic fever predicted death with a sensitivity of 72.7%, specificity of 92.6%, positive predictive value of 88.9%, negative predictive value of 80.6%.
CONCLUSIONS: We think within the light of our findings that simple electrocardiography at admission may help risk stratification among Crimean-Congo hemorrhagic fever cases.
STUDY DESIGN: This retrospective study was performed among confirmed Crimean -Congo hemorrhagic fever cases in Turkey. Electrocardiography was available in 49 patients within 24 h of hospitalization. All electrocardiograms were evaluated by two expert cardiologists according to Minnesota coding system.
RESULTS: Among patients with available electrocardiograms, there were 31 patients who survived, and 18 patients who died of Crimean - Congo hemorrhagic fever. Both groups were similar in terms of age, sex, body temperature, heart rate, and blood parameters. T-wave changes and bundle branch block were more frequently encountered among those who died. Presence of T-wave negativity or bundle branch block in this cohort of patients with Crimean -Congo hemorrhagic fever predicted death with a sensitivity of 72.7%, specificity of 92.6%, positive predictive value of 88.9%, negative predictive value of 80.6%.
CONCLUSIONS: We think within the light of our findings that simple electrocardiography at admission may help risk stratification among Crimean-Congo hemorrhagic fever cases.