European Medical Physics and Engineering conference EMPEC (Contributo in atti di convegno)

Type
Label
  • European Medical Physics and Engineering conference EMPEC (Contributo in atti di convegno) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bortolan, G.;Christov, I.;Simova, I.;Dimitrov, N.;Jekova, I.;Krasteva, V. (2012)
    European Medical Physics and Engineering conference EMPEC
    in Computing in Cardiology 2012, Krakow (Poland)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bortolan, G.;Christov, I.;Simova, I.;Dimitrov, N.;Jekova, I.;Krasteva, V. (literal)
Pagina inizio
  • 613 (literal)
Pagina fine
  • 616 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • Computing in Cardiology 2012 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1: Institute of Biomedical Engineering ISIB-CNR, Padova, Italy; 2, 5, 6: Institute of Biophysics and Biomedical Engineering, Bulg. Acad. of Sci, Sofia, Bulgaria; 3: Department of Noninvasive Cardiovascular Imaging and Functional Diagnostics, National Cardiology Hospital, Sofia, Bulgaria; 4: University Hospital \"St Ekaterina\", Sofia, Bulgaria. (literal)
Titolo
  • European Medical Physics and Engineering conference EMPEC (literal)
Abstract
  • The aim of the study is to investigate whether and how QRS-complex and T-wave heterogeneity is influenced by different cardiac risk factors and clinical data. Digital ECG during stress test was acquired in 106 patients (age 63±10 years, 45 males). Two indices obtained by Principal Component Analysis (PCA): complexity (PCA1) and non-linear components (PCA2) were used for the analysis of the heterogeneity of the different clinical groups. Mean, max, and standard deviation values were examined in the study. Significant difference (p<0.01÷0.05) between PCA1 of QRS (PCA1_QRS) was found between subgroups of patients defined according to the presence or absence of angina pectoris, diabetes mellitus, stroke and smokers. Significant difference for PCA2_QRS was obtained in the presence of angiographically significant coronary artery disease, diabetes mellitus, positive stress test and triglycerides. For the T wave significant difference was found respectively for PCA1_T in: myocardial infarction, angiographically significant coronary artery disease and gender and for PCA2_T in: angiographically significant coronary artery disease, percutaneous coronary intervention and gender. (literal)
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