Original Article

Tricuspid annular plane systolic excursion (TAPSE) can predict the outcome of isolated tricuspid valve surgery in patients with previous cardiac surgery?

Xiaoning Sun, Hongqiang Zhang, Baier Aike, Shouguo Yang, Zhaohua Yang, Lili Dong, Fanshun Wang, Chunsheng Wang


Background: Isolated tricuspid valve replacement is rare when performed as a re-operation after a left side operation. It is important to know the factors that determine mortality and morbidity. Tricuspid Annular Plane Systolic Excursion (TAPSE) is a scoring system that is used with non-invasive Doppler echocardiography to determine right ventricular (RV) function. This study analyzed TAPSE scores and adverse outcomes of isolated tricuspid valve surgery in patients with previous cardiac surgery.
Methods: All patients who underwent tricuspid valve replacement between January 2014 and December 2015 were retrospectively reviewed. Patients having concomitant mitral or aortic valve surgery were excluded. These patients were divided into two groups: TAPSE >14 mm and TAPSE ≤14 mm. In-hospital outcomes were compared.
Results: A total of 26 patients with severe tricuspid valve regurgitation underwent tricuspid valve replacement. There were 5 males (19.2%) and 21 females (80.8%). The average age at operation was 54.77±9.61 years (range, 27–69 years). There were 16 patients in the TAPSE >14 mm group and 10 patients in the TAPSE ≤14 mm group. The BNP in the TAPSE >14 mm group was significant (TAPSE >14 mm 672.34±229.98 versus TAPSE ≤14 mm 1,054.79±684.69, P=0.03). The median cardiopulmonary bypass (CPB) time and red blood cell (RBC) transfusions in the two groups were not different. The need for prolonged ventilatory support (>48 h) in the two groups was also not different (TAPSE> 14 mm 91.2±12.31 vs. TAPSE ≤14 mm 39.00±36.80, P=0.46). Moreover, hospital stays were similar between the two groups. No differences were found in postoperative renal and respiratory complications.
Conclusions: It is important to determine the right ventricule function quantitatively. The TAPSE score is an important parameter that determines the cardiac index and right ventricle function. It should be used for the prediction of mortality and morbidity with all the other parameters as a whole.

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