The mean age of the study population was 41.2 ± 18 years, the mean time on hemodialysis was 36.3 ± 35 months, and there were 56 males (56%). Reduction of RV systolic function more closely predicts impaired exercise tolerance and poor survival than does left ventricular (LV) systolic function. Introduction Right ventricular (RV) systolic dysfunction is now recognized widely as a strong and independent predictor of adverse outcomes in patients with heart failure (HF). RV dysfunction in the setting of LV hyperdynamic function, in the example of acute PE, can cause a spuriously normal TAPSE. The analysis included 15 patients with RVSD (TAPSE <14 mm) and 85 patients without RVSD (TAPSE ≥14 mm). In the discharge group, low TAPSE was defined as TAPSE … included patients in the early stages of CKD, which means not on dialysis. dardized criteria (4). The TAPSE cut-off of 18 mm was chosen based on contemporaneuos work from Patients with higher TAPSE were less likely to have ischemic heart disease (P =.008) and had higher systolic blood pressure (P =.004). Causes of low TAPSE in HF‐PEF are not only PH but also atrial fibrillation, cardiac dyssynchrony, and end‐stage left ventricular diastolic dysfunction, suggesting a role for chronic pressure overload in contributing to right ventricular systolic dysfunction. The TAPSE measurement method is simple and has low dependence on the ultrasound image quality, requires no specific ultrasound equipment and analysis software, and has high repeatability. Just like TAPSE there are no values based upon mild, moderate or severe. Contrarily, a severely reduced LV function with severely reduced MAPSE will cause the TAPSE to measure low. This group was characterized by low values of TAPSE (around 16 mm) and high values of systolic blood pressure in the pulmonary artery (about 38 mmHg). Within each cohort, patients were separated according to the TAPSE tertiles: in the admission group: low, TAPSE <16 mm; intermediate, TAPSE between 16 and 20 mm; and high, TAPSE >20 mm. The tricuspid annulus is also anchored against the myocardial skeleton and so it's quite affected by LV function. The reference range provided is a cutoff range with a S’ value less than 9.5 cm/sec indicating RV dysfunction. ** HELPFUL TIP: It is VITAL that we make sure we obtain both TAPSE and S’ Wave values to correlate together. While a TAPSE as low as 16 mm has been shown to cor-relate with RV systolic dysfunction in a patient population with coronary artery disease (12, 18), patients in this pres-ent study were divided into two groups: TAPSE <18 mm and ≥18 mm. Representation of the results (mean ± SD) obtained in right ventricular ejection fraction (RVEF), tricuspid annular plane systolic excursion (TAPSE), peak systolic velocity of tricuspid annulus (PSV), and systolic pulmonary arterial pressure (SPAP) at the pre-operative evaluation (preop) and during the follow-up at 3, 6, and 12 months after surgery. In total, 290 patients with PAH were included in the analysis and were stratified into tertiles according to TAPSE/PASP ratio (low: <0.19 mm/mmHg; middle: 0.19–0.32 mm/mmHg; high: >0.32 mm/mmHg).The majority of the patients were diagnosed with idiopathic PAH and were in WHO functional class III, presenting with severe precapillary PH with substantially elevated PVR and mPAP. Low TAPSE is not very common; however, it was measured in people with no heart disease due to diagnostic misclassification and excessive ends of the normal spectrum. TAPSE averaged (25th percentile, 75th percentile) 12 (10,14) and 20 (17,22) mm in participants with low (≤14 mm) vs. high (.14 mm) TAPSE, respectively. It should be pointed out, that the study by Floccari et al.
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