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. 2007 Feb;24(2):118-25.
doi: 10.1111/j.1540-8175.2007.00365.x.

Right heart function and scleroderma: insights from tricuspid annular plane systolic excursion

Chiu-Yen Lee  1 , Shu-Mei Chang, Shih-Hung Hsiao, Jui-Cheng Tseng, Shih-Kai Lin, Chun-Peng Liu
Affiliations

Right heart function and scleroderma: insights from tricuspid annular plane systolic excursion

Chiu-Yen Lee et al. Echocardiography. 2007 Feb.

Abstract

Objective: The purpose of this study was to evaluate the use of echocardiographic parameters as predictors of rehospitalization in scleroderma patients.

Methods: Echocardiographic studies were conducted in 38 patients with systolic scleroderma (SSc) to assess cardiopulmonary function. Forty-five age-matched volunteers without any sign of heart failure served as the control group. Transmitral flow pattern, tricuspid annular plane systolic excursion (TAPSE), left ventricular ejection fraction (LVEF), and right ventricular ejection fraction (RVEF) were evaluated. All patients were subsequently followed for one year.

Results: Peak transmitral early-diastolic velocity (mitral E) and TAPSE measurements were significantly different between SSc and control patients (mitral E: 74.1 +/- 16.3 vs. 83.5 +/- 17.0 cm/s with P = 0.012; TAPSE: 2.4 +/- 0.43 vs. 1.9 +/- 0.39 cm with P < 0.0001). LVEF was similar, but RVEF was lower in the SSc group (LVEF: 61.7 +/- 9.7 vs. 61.7 +/- 5.8% with P = 0.962; RVEF: 49.6 +/- 6.8 vs. 39.2 +/- 6.7% with P < 0.0001). A strong correlation was found between TAPSE and RVEF. A TAPSE less than 1.96 cm indicted a RVEF less than 40% with a sensitivity of 81% and specificity of 78%. Contrary to expectation, pulmonary artery systolic pressure (PASP) did not correlate well with RV function (r = 0.261, r2= 0.068, P = 0.016). Finally, the frequency of rehospitalization was inversely correlated with RVEF and TAPSE in SSc patients.

Conclusions: We can predict the rehospitalization rate of SSc patients by TAPSE and RVEF, suggesting the involvement of heart, skin, lung, and other organs in scleroderma patients.

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