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Revista mexicana de cardiología

versión impresa ISSN 0188-2198

Resumen

SANCHEZ-LEZAMA, Francisco et al. Mean pulmonary pressure estimation by echocardiography: three equations comparison. Rev. Mex. Cardiol [online]. 2015, vol.26, n.3, pp.108-112. ISSN 0188-2198.

Background: Mean pulmonary arterial pressure (PAP) estimation is possible by echocardiography through the pulmonary acceleration time measurement using mathematical equations; also, using the systolic pulmonary arterial pressure calculated from de tricuspid gradient assessed by continuous Doppler is a good method, having a 0.7 correlation with the catheter hemodynamic studies. Objective: To compare three different equations and define its usefulness on mean pulmonary arterial pressure estimation. Material and methods: From 4,000 echocardiograms performed, a sample of 187 studies were obtained; we used three different equations to calculate mean PAP, a cutoff of ≥ 25 mmHg was used as high PAP. Results: 187 patients aged 54.5 ± 22.6 years; corresponding to 87 men (46.5%) and 100 women (53.5%). Equation 1, with 50 cases (26.7%) with PAH were detected; 69 cases (36.8%) with equation 2; and only 23 patients (12.3%) with equation 3. Conclusions: Equations 1 and 2 are useful as screening, while equation 3 has higher degree of discrimination.

Palabras llave : Pulmonary artery pressure; echocardiography; equations.

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