期刊
INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING
卷 36, 期 7, 页码 1261-1269出版社
SPRINGER
DOI: 10.1007/s10554-020-01824-6
关键词
Echocardiography; Pulmonary hypertension; Functional tricuspid valve regurgitation
Functional tricuspid regurgitation (FTR) is associated with prognosis for various heart diseases, but its association with pulmonary hypertension (PH) remains unclear. We studied 111 PH patients. Mid-term follow-up echocardiography was performed 7.1 +/- 4.1 months after PH-specific therapy. The severity of FTR was graded as none or trace, mild, moderate, or severe, while more than moderate TR was defined as significant. Moreover, mid-term improvement in FTR after therapy was defined as an improvement in severity of FTR by a grade of 1 or more. Long-term follow-up to determine the primary endpoint of death or hospitalization for heart failure lasted 39 +/- 14 months. Mid-term improvement in FTR after PH-specific treatment was observed in 25 patients (23%), and the primary end points occurred in 27 patients (24%) during the long-term follow-up. The Kaplan-Meier curve indicated that the non-FTR group showed more favorable long-term outcomes than the FTR group (log-rank P = 0.008). It further indicated that patients with mid-term improvement in FTR also had more favorable long-term outcomes than those without such improvement (log-rank P = 0.03). When divided into four sub-groups based on combined assessment of baseline FTR and mid-term improvement in FTR, long-term outcomes for patients without mid-term improvement in their baseline FTR were worse than for the other sub-groups (log-rank P = 0.02). Multiple regression analysis showed that a relative change in tricuspid annular diameter at the mid-term follow-up after PH-specific therapy was the only independent determinant parameters for mid-term improvement in FTR. FTR appears to be a valuable factor for predicting long-term outcomes for PH patients, and combined assessment of baseline FTR and mid-term improvement in FTR after PH-specific therapy may have clinical implications for better management of such patients.
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