European Heart Journal Cardiovascular Imaging

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AIMS: Transcatheter aortic valve implantation (TAVI) is the treatment of choice for high-risk patients with severe aortic stenosis (AS). A portion of TAVI recipients has no long-term clinical benefit, and myocardial fibrosis may contribute to unfavourable outcomes. We aimed to assess the prognostic value of an interstitial fibrosis marker, extracellular volume fraction (ECV), measured at planning computed tomography (CT) before TAVI. METHODS AND RESULTS: From October 2020 to July 2021, 159 consecutive patients undergoing TAVI planning CT were prospectively enroled...

AIMS: Paravalvular regurgitation (PVR) is a common complication after transcatheter aortic valve replacement (TAVR) that poses an increased risk of rehospitalization for heart failure and mortality. The aim of this study was to assess the accuracy of haemodynamic indices to predict relevant PVR. METHODS AND RESULTS: In this prospective single-centre clinical trial, four haemodynamic indices of PVR measured during TAVR were assessed for their correlation with gold standard cardiac magnetic resonance (CMR)-derived regurgitant fraction (CMR-RF) at 1 month follow-up: diastolic delta (DD), heart rate-adjusted diastolic delta (HR-DD), aortic regurgitation index (ARI), and aortic regurgitation index ratio (ARI ratio)...

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Imaging techniques play a pivotal role in the diagnosis, follow-up, and management of aortic diseases. Multimodality imaging provides complementary and essential information for this evaluation. Echocardiography, computed tomography, cardiovascular magnetic resonance, and nuclear imaging each have strengths and limitations in the assessment of the aorta. This consensus document aims to review the contribution, methodology, and indications of each technique for an adequate management of patients with thoracic aortic diseases...

AIMS: Tafamidis treatment positively affects left ventricular (LV) structure and function and improves outcomes in patients with transthyretin amyloid cardiomyopathy (ATTR-CM). We aimed to investigate the relationship between treatment response and cardiac amyloid burden identified by serial quantitative 99mTc-DPD SPECT/CT. We furthermore aimed to identify nuclear imaging biomarkers that could be used to quantify and monitor response to tafamidis therapy. METHODS AND RESULTS: Forty wild-type ATTR-CM patients who underwent 99mTc-DPD scintigraphy and SPECT/CT imaging at baseline and after treatment with tafamidis 61 mg once daily [median, 9...

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AIMS: myocardial oedema is largely represented in takotsubo syndrome (TTS) and may contribute to alter the myocardium morphology and function. The aim of the study is to describe relationships between oedema, mechanical, and electrical abnormalities in TTS. METHODS AND RESULTS: the study included n = 32 hospitalized TTS patients and n = 23 controls. Cardiac magnetic resonance (CMR) with tissue mapping and feature tracking was performed with concomitant 12-lead electrocardiogram (ECG) recording...

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AIMS: Echocardiographic diagnosis of left ventricular outflow tract obstruction (LVOTO) in hypertrophic cardiomyopathy (HCM) often requires extensive provocative manoeuvers. We investigated, whether echocardiography-derived parameters obtained at rest can aid to determine the presence of LVOTO in persons with HCM. METHODS AND RESULTS: Consecutive patients with HCM admitted to a referral centre underwent standardized transthoracic echocardiographic examination including provocative manoeuvers...

AIMS: This study aims to assess the prevalence of relative apical sparing pattern (RASP) in patients with severe symptomatic aortic stenosis (AS), referred for surgical aortic valve replacement (AVR), to evaluate its significance, possible relation to amyloid deposition, and persistence after surgery. METHODS AND RESULTS: Prospective study of 150 consecutive patients [age 73 (interquartile range: 68-77), 51% women], with severe symptomatic AS referred to surgical AVR...

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AIMS: Aortic valve calcification in aortic sclerosis, a precursor of aortic stenosis (AS), is not always present in all three leaflets; how calcification develops in each leaflet is unknown. We aimed to investigate the natural history of calcification development in each aortic valve leaflet and the prognostic value of the number of calcified leaflets. METHODS AND RESULTS: In a retrospective multicentre cohort study of patients undergoing haemodialysis without AS, we observed calcification development in each aortic valve leaflet using echocardiography...

AIMS: We aimed to assess the incremental prognostic value of positron emission tomography (PET)-derived myocardial flow reserve (MFR) among patients with diabetes and those without diabetes. METHODS AND RESULTS: Consecutive patients with clinically indicated PET MPI for suspected or established coronary artery disease (CAD) were included. Myocardial blood flow (MBF) in mL/min/g was obtained from dynamic images at rest and stress, while MFR was calculated as the ratio of stress to rest MBF...

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AIMS: Peri-procedural myocardial infarction (PMI) after percutaneous coronary intervention (PCI) has been shown to be associated with worse clinical outcomes. We aimed to investigate the value of coronary plaque characteristics and physiologic disease patterns (focal vs. diffuse) assessed by coronary computed tomography angiography (CTA) in predicting PMI and adverse events. METHODS AND RESULTS: Three hundred fifty-nine patients with normal pre-PCI high-sensitivity cardiac troponin T (hs-cTnT) underwent CTA before PCI were analysed...

AIMS: The procedural planning of transcatheter mitral valve replacement (TMVR) requires a specific imaging assessment to establish patient eligibility. Computed tomography (CT) is considered the reference method. In this setting, data regarding the role of transoesophageal echocardiography (TOE) are lacking. We evaluated the feasibility and reliability of a comprehensive 3D-TOE screening in TMVR candidates. METHODS AND RESULTS: We performed a retrospective observational study including 72 consecutive patients who underwent a pre-procedural CT and 3D-TOE for TMVR evaluation...