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BACKGROUND: Since readmission rate is an important clinical index to determine the quality of inpatient care and hospital performance, the aim of this study was to explain the causes and predictors of readmission following transcatheter aortic valve implantation (TAVI) at short-term and mid-term follow-up. METHODS AND RESULTS: A systematic review and meta-analysis of all published articles from Embase, Pubmed/MEDLINE, and Ovid was carried out. In all, 10 studies including 52,702 patients were identified. The pooled estimate for the overall event rate was 0.15, and cardiovascular causes were the main reason for 30-day readmission (0.42, 95% confidence interval [CI]: 0.39-0.45). In addition, the pooled incidence of 1­year readmission was 0.31, and cardiovascular events were still the main cause (0.41, 95% CI: 0.33-0.48). Patients with major and life-threatening bleeding, new permanent pacemaker implantation, and clinical heart failure were associated with a high risk for early readmission after TAVI. Moreover, an advanced (≥3) New York Heart Association classification, acute kidney injury, paravalvular leak, mitral regurgitation (≥ moderate), and major bleeding predicted unfavorable outcome to 1­year readmission. Female gender and transfemoral TAVI was associated with a lower risk for unplanned rehospitalization. CONCLUSIONS: This meta-analysis found cardiovascular factors to be the main causes for both 30-day and 1­year rehospitalization. Heart failure represented the most common cardiovascular event at both short-term and mid-term follow-up. Several baseline characteristics and procedure-related factors were deemed unfavorable predictors of readmission. Importantly, transfemoral access and female gender were associated with a lower risk of readmission.

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BACKGROUND: The 3rd generations of transcatheter heart valve system, including Edwards SAPIEN S3 (ES3) and Medtronic's Evolut R, has been developed to specifically improve the safety of transcatheter aortic valve implantation (TAVI). The aim of this work was to provide a summary effect estimate of the peri-procedural characteristics and clinical outcome of patients treated with ES3 versus the Evolut R. METHODS: We conducted a literature search of PubMed, Ovid and EMBASE (2002 to 2018). Two authors extracted the data independently. The safety and feasibility of Sapien 3 and Evolut R were compared by odds ratios (ORs) with 95% confidence intervals (CIs) in inverse variance method. RESULTS: After a multi-step assessment, a total 6 studies were finally included, yielding 1,664 patients, of which, 768 (46%) used ES3 and 896 (54%) used Evolut R. There was no statistical difference with device success rate (OR 1.15, 95% CI: 0.70-1.91, I2 =0%), 30-day mortality [OR: 0.72 (0.33-1.57), I2 =0%], pre-dilation rate, 30-day stroke, bleeding complication (BC) (major and life-threating), major vascular complication (VC), and paravalvular leakage between the two groups. However, the ES3 group was associated with a higher risk of acute kidney injury (AKI), higher mean aortic valve gradient and better mean left ventricular ejection fraction (LVEF) after TAVR procedure. Moreover, the Evolut R group had a higher rate of post-dilation and new permanent pacemaker implantation (PPMI). CONCLUSIONS: Both devices had demonstrated excellent procedural success rate and short-term safety. At 30-day follow-up, both devices shared similar rates of mortality, BC, VC, stroke, and paravalvular leakage (PVL). However, the rate of AKI was higher in the ES3 group, and the rate of PPM was higher in the Evolut R group.

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Background: Many patients who have aortic stenosis and are transcatheter aortic valve replacement (TAVR) candidates have underwent prior cardiac surgery (PCS). The aim of this study was to provide a robust summary comparison between patients with PCS who underwent TAVR vs. surgical aortic valve replacement (SAVR). Methods: We conducted a systematic review and meta-analysis of all published articles on PubMed/Medline, Ovid, EMBASE, and Scopus from 2002 to 2019. Results: A total of 13 studies were finally included, yielding a total of 23,148 participants. There was no statistical difference with 30-day [OR: 1.02 (0.86-1.21)] or 1-year mortality [OR: 1.18 (0.86-1.61)] between the two groups. Subgroup analysis revealed that high-risk patients who underwent TAVR with the transapical approach were associated with increased risk of mortality [OR: 1.45 (1.00-2.11)]. However, those who underwent TAVR with endovascular approach had a comparable outcome with SAVR. Conclusions: Primary outcomes after endovascular TAVR were similar to those with SAVR and superior to transapical TAVR treatment group in patients with PCS.

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OBJECTIVE: To analyze the current usage of optimal medical therapy (OMT), influencing factors, and the predictive value of OMT for all-cause mortality in coronary artery disease (CAD) patients with different subgroups. METHODS: A total of 3176 CAD patients confirmed by coronary angiography were included. OMT was defined as the combination of anti-platelet drugs, statins, beta blockers, and angiotensin converting enzyme inhibitors or angiotensin receptor blockers. Factors for OMT and its prognostic value were analyzed in CAD patients across different subgroups. RESULTS: Out of 3176 patients, only 39.8% (n = 1265) were on OMT at discharge. Factors associated with OMT at discharge were pre-admission OMT and discharge department. All-cause mortality occurred in 6.8% (n = 217) of patients. Multivariate analyses indicated that OMT was significantly associated with reduced all-cause mortality (HR: 0.65, 95% CI: 0.45-0.95; P = 0.025). Sub-group analyses indicate that male acute coronary syndrome (ACS) patients were more likely to receive survival benefits with OMT at discharge. The positive impact of OMT at discharge was more apparent after 24 months, regardless of revascularization therapy. Four-drug combination of OMT was superior to 3-drug combination therapy in ACS patients but not in stable patients. CONCLUSIONS: OMT was associated with significant improvement in survival in patients with CAD. The positive impact of OMT was distinct in the CAD patients with different characteristics.

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RATIONALE: Isolated dismal transverse aortic arch kinking in adults is rare, and there is no recommended therapy at present. Percutaneous stent implantation may be an effective method to correct it and could be considered. PATIENT CONCERNS: We report a 46-year-old woman who suffered from recurrent migraine and refractory hypertension with a significant systolic blood pressure difference between upper limbs. DIAGNOSES: The woman was diagnosed with isolated dismal transverse aortic arch kinking with refractory hypertension. INTERVENTIONS: Percutaneous stent implantation was performed. Due to the kinking nature of the diseased transverse aortic arch, the first covered stent moved forward to the proximal transverse aortic arch during deploying without the left common carotid artery occlusion. And then, a second stent was placed to cover the residual kinked part of the dismal transverse arch. OUTCOMES: Angiography and post-procedural computed tomography angiography revealed fully corrected of the diseased segment. At 6-month follow-up after procedure, the patient was free of any symptoms and had a normal blood pressure under antihypertensive treatment. LESSONS: This case indicates that transverse aortic arch kinking in isolation can be well treated by percutaneous stent implantation in adult patients. Unlike pure aortic coarctation, elongation and bucking give the rise to the occurrence rate of stent sliding and migration and sometimes a second stent is needed.

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Currently, there are no studies addressing the influence of age on the prognostic information of N-terminal pro-B-type natriuretic peptide (NT-proBNP) in Asian population with acute coronary syndrome (ACS). The purpose of this study was to investigate the prognostic performance of NT-proBNP in Chinese patients with ACS across different age groups. A total of 1512 ACS patients with venous blood NT-proBNP measured were enrolled. Patients were divided into tertiles based on their ages (<61, 61-71, ≥72 years). The median NT-proBNP concentrations in the three groups (T1-T3) were 406, 573, and 1288 pg/ml (p < 0.001), respectively. During a median follow-up of 23 months, 150 all-cause deaths occurred, and 88 (58.7 %) were attributed to cardiovascular cause. NT-proBNP levels are independently associated with mortality in each age group [1st group: HR 2.19 95 % CI (1.17-4.10); 2nd group: HR 1.82 95 % CI (1.04-3.20); 3rd group: HR 1.48 95 % CI (1.09-2.01), P interaction = 0.062]. NT-proBNP improves discrimination and reclassification for mortality beyond thrombolysis in myocardial infarction score in patients of all ages. The optimal NT-proBNP cutoff points for predicting mortality in three age groups are 1511, 2340, and 2883 pg/ml, respectively. In conclusion, NT-proBNP is a valuable biomarker in predicting long-term mortality and provides an improvement in discrimination and reclassification for prognosis in ACS patients of all ages.

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