Ressincronização: Clínica x Eco ou Clínica + Eco?


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Aqui
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The clinical and echocardiographic responses to CRT were defined based on clinical improvement (≥1 NYHA class) and LV reverse remodelling (reduction in LV end-systolic volume ≥15%) at 6-month follow-up, respectively.
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only echocardiographic response to CRT was independently associated with superior survival (hazard ratio: 0.38; 95% CI: 0.27–0.50; P < 0.001).
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A complete two-dimensional and colour Doppler echocardiographic examination was performed. LV end-diastolic (LVEDV) and LVESV were calculated using Simpson’s biplane method of discs. The LV ejection fraction was calculated and expressed as a percentage.
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Conclusion In a large population of heart failure patients treated with CRT, the reduction in LV end-systolic volume at the mid-term follow-up demonstrated to be a better predictor of long-term survival than improvement in the clinical status.
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Frequentemente criticamos a metodologia de Simpson para avaliar vantagens da ressincronização. Aqui usaram o volume sistólico final para encontrar benefício. Ainda aguardamos estudos com 3D e volume verdadeiro para acreditarmos.

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