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Background Patients with coronavirus disease 2019 (COVID-19) exhibit high thrombotic risk. The evidence on a potential independent prognostic role of antiplatelet treatment in those patients is limited. The aim of the study was to evaluate the prognostic impact of pre-admission low-dose acetylsalicylic acid (ASA) in a wide series of hospitalized patients with COVID-19. Methods This cohort study included 984 COVID-19 patients stratified according to ASA intake before hospitalization: ASA + ( n = 253) and ASA − ( n = 731). Patients were included in ASA + group if they received it daily in the 7 days before admission. 213 (83%) were on ASA 100 mg daily. Primary endpoint was a composite of in-hospital death and/or need for respiratory support upgrade, secondary endpoints were in-hospital death and need for respiratory support upgrade. Results Mean age was 72 [62; 81] with 69% of male patients. ASA + patients were significantly older, with higher prevalence of comorbidities. No significant differences regarding the degree of respiratory dysfunction were observed. At 30-day Kaplan-Meier analysis, ASA + patients had higher survival free from the primary endpoint and need for respiratory support upgrade, conversely in-hospital death did not significantly differ between groups. At multivariate analysis ASA intake was independently associated with a lower probability of reaching primary endpoint (HR 0.697, 95% C.I. 0.525–0.924; p = 0.012). Conclusions In COVID-19 patients undergoing hospitalization, pre-admission treatment with ASA is associated with better in-hospital outcome, mainly driven by less respiratory support upgrade.

Objectives: To evaluate the prognostic impact of baseline tricuspid annular plane systolic excursion/pulmonary artery systolic pressure (TAPSE/PASP) ratio, as an expression of the right ventricle-pulmonary artery (RV-PA) coupling, in patients with mitral regurgitation (MR) treated with the MitraClip.Background: Impaired RV to PA coupling is considered a marker of RV dysfunction. Methods:From February 2016 to February 2020, a total of 165 patients were evaluated and stratified in two groups according to a prespecified value of TAPSE/ PASP ratio ≤ 0.36. Results:The median patients' age was 79 (men: 62.4%). Sixty-three patients (38.1%) presented TAPSE/PASP ≤ 0.36 and were then compared with patients with TAPSE/ PASP > 0.36. Functional MR etiology was more frequent in TAPSE/PASP ≤ 0.36 (71.4%; p = 0.046). Acute technical success was achieved in 92.7% of the population, without any significant difference between the two groups of study and with sustained results at 30-day (device success: 85.5%; procedural success: 84.8%).On multivariate Cox regression analysis, after correction for body mass index, chronic kidney disease and left ventricle ejection fraction ≥30% but <50%, TAPSE/ PASP ≤ 0.36 remained a sustained predictor of mortality and hospitalization for heart failure at one year after MitraClip (hazard ratio: 3.87; 95% confidence interval:1.83-8.22; p ≤ 0.001). Kaplan-Meier all-cause mortality and heart failure hospitalization rates at one year were consequently higher in patients with TAPSE/PASP ≤ 0.36 (39.4% vs. 14.8%; log-rank p ≤ 0.001).

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