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Minor segmental wall motion abnormalities detected in patients with Chagas' disease have adverse prognostic implications

Pazin-Filho, A ; Romano, M.M.D ; Almeida-Filho, O.C ; Furuta, M.S ; Viviani, L.F ; Schmidt, A ; Marin-Neto, J.A ; Maciel, B.C

Brazilian Journal of Medical and Biological Research, 01 April 2006, Vol.39(4), pp.483-487 [Tạp chí có phản biện]

ISSN: 1414-431X ; E-ISSN: 1414-431X ; DOI: 10.1590/S0100-879X2006000400008

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  • Nhan đề:
    Minor segmental wall motion abnormalities detected in patients with Chagas' disease have adverse prognostic implications
  • Tác giả: Pazin-Filho, A ; Romano, M.M.D ; Almeida-Filho, O.C ; Furuta, M.S ; Viviani, L.F ; Schmidt, A ; Marin-Neto, J.A ; Maciel, B.C
  • Chủ đề: Biology ; Medicine, Research & Experimental ; Echocardiography ; Chagas' Disease ; Left Ventricular Function ; Indeterminate Form of Chagas' Disease ; Medicine ; Biology
  • Là 1 phần của: Brazilian Journal of Medical and Biological Research, 01 April 2006, Vol.39(4), pp.483-487
  • Mô tả: Recent data from our laboratory have shown that patients with the indeterminate form of Chagas' disease can have impairment of left ventricular contractility, as evaluated by the slope of the left ventricle end-systolic pressure-dimension relationship. We also showed that Chagas' disease patients with minimal baseline wall motion abnormalities detected by two-dimensional echocardiography have more intense contractility impairment when compared to patients with the indeterminate form of the disease without this abnormality. The prognostic implications of these findings have not been established. We evaluated 59 patients (37-76 years, mean = 55 years) with different clinical forms of Chagas' disease, who had normal left ventricular global systolic function at baseline (57.6 ± 6.9%) and who had at least one additional echo during clinical follow-up (0.4-17.6; mean 4.6 years). Group 1 consisted of 14 patients with minor baseline left ventricle wall motion abnormalities and group 2 consisted of 45 patients without these abnormalities. During follow-up, global left ventricle systolic function deterioration was observed in 10 group 1 patients (71.4%) and in only 10 group 2 patients (22.2%; P < 0.005). Age and duration of follow-up were not independent determinants of left ventricular function deterioration in these patients. The present data indicate that mild segmental left ventricular wall motion abnormalities are associated with worsening of systolic function in Chagas' disease patients who have normal baseline global systolic performance.
  • Ngôn ngữ: Portuguese
  • Số nhận dạng: ISSN: 1414-431X ; E-ISSN: 1414-431X ; DOI: 10.1590/S0100-879X2006000400008

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