Objective:To evaluate right ventricular function in patients with atrial fibrillation (AF) and functional tricuspid regurgitation (FTR) using three-dimensional volumetric quantitative analysis combined with two-dimensional speckle tracking imaging (2D-STI). Methods: Eighty AF patients were selected and divided into the non-significant FTR group (group A, n=40) and the significant FTR group (group B, n=40) according to the degree of tricuspid regurgitation. A total of 35 normal people were selected as the control group. The clinical data and transthoracic echocardiography parameters and right ventricular function parameters of the three groups were compared to explore the differences in right ventricular function of patients with different degrees of AF and FTR, and to provide the basis for clinical prediction of right ventricular function. Results: Differences in right atrial diameter (RAD) and right ventricular diameter (RVD) of the three groups were statistically significant (P＜0.05). Compared among the three groups on absolute value of RVEF and RVGLS, group B had the smallest values, group A was the second, group C was the highest, and the difference was statistically significant (P＜0.05). Differences in fraction of right ventricular area change (RVFAC), Tei, and tricuspid annular plane systolic excursion (TAPSE) of the three groups were statistically significant (P＜0.05). Differences in tricuspid annular peak systolic velocity (TAPSV) (S') of the three groups was not statistically significant (P＞0.05). Pearson correlation analysis showed that Tei index, RVD, and atrial fibrillation time were positively correlated with the area of regurgitation (r= 0.411, 0.327, 0.245) (P＜0.05), TAPSE, FAC, RVGLS absolute value and RVEF were negatively correlated with the area of regurgitation (r=-0.542, -0.518, -0.719, -0.705) (P＜0.05). Conclusion: The right ventricular function of the non-significant FTR group (group A) has been damaged, and the right ventricular damage is further aggravated with the aggravation of FTR. The three-dimensional volume quantitative analysis of the right ventricle combined with 2D-STI can effectively evaluate the right ventricular systolic function of AF patients with FTR, which could provide basis for clinical diagnosis and prognosis.
DING Jing
,
LIU Biaohu
,
JI Wenyan
,
TAO Shanqiang
,
LIAN Feifei
,
YANG You
. Evaluation of right ventricular function in patients with functional tricuspid regurgitation in atrial fibrillation by three-dimensional volume quantitative analysis combined with a two-dimensional speckle tracking technique[J]. Journal of Baotou Medical College, 2024
, 40(7)
: 36
-40
.
DOI: 10.16833/j.cnki.jbmc.2024.07.006
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