Publications by authors named "Karina Wierzbowska-Drabik"

Objective: Atrial cardiomyopathy is closely associated with atrial fibrillation (AF), and some patients exhibit no dysfunction at rest but demonstrate evident changes in left atrial (LA) function and LA volume during exercise. This study aimed to identify distinguishing signs during exercise stress echocardiography (ESE) among patients in sinus rhythm (SR), with and without history of paroxysmal/persistent AF (PAF).

Methods: A prospective cohort of 1055 patients in SR was enrolled across 12 centers.

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Hypercontractile phenotype (HP) of the left ventricle (LV) is an actionable therapeutic target in patients with chronic coronary syndromes (CCS) or heart failure (HF), but its clinical recognition remains difficult. To assess the clinical variables associated with the HP. In a prospective, observational, multicenter study, we recruited 5122 patients (age 65 ± 11 years, 2974 males, 58%) with CCS and/or HF with preserved ejection fraction (EF).

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Article Synopsis
  • A study analyzed 7576 patients with chronic coronary syndromes to explore the connection between resting coronary flow velocity (CFV) and CFV reserve (CFVR) and their impact on mortality.
  • Researchers found that a resting CFV of 32 cm/s or higher and a CFVR of 2.0 or lower were significant indicators of increased mortality risk.
  • The findings suggest that high resting CFV and low CFVR together contribute to a worse survival rate among patients with a preserved left ventricular ejection fraction.
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Background: Regional wall motion abnormality is considered a sensitive and specific marker of ischemia during stress echocardiography (SE). However, ischemia is a multifaceted entity associated with either coronary artery disease (CAD) or angina with normal coronary arteries, a distinction difficult to make using a single sign. The aim of this study was to evaluate the diagnostic potential of the five-step ABCDE SE protocol for CAD detection.

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Background And Aims: Patients with heart failure (HF) with reduced left ventricular (LV) ejection fraction (EF) have a heterogeneous prognosis, and assessment of coronary physiology with coronary flow velocity (CFV) and coronary flow velocity reserve (CFVR) may complement established predictors based on wall motion and EF.

Methods And Results: In a prospective multicenter study design, we enrolled 1,408 HF patients (age 66 ± 12 years, 1,035 men), with EF <50%, 743 (53%) with coronary artery disease, and 665 (47%) with normal coronary arteries. Recruitment (years 2004-2022) involved 8 accredited laboratories, with inter-observer variability <10% for CFV measurement.

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Article Synopsis
  • Exercise echocardiography is vital for evaluating the right ventricle and pulmonary circulation, but there's a need for clearer understanding of normal ranges and disease-specific variations.
  • The study involved 2,228 participants including healthy individuals, athletes, and patients with different heart and lung conditions, who underwent echocardiography at rest and during exercise.
  • Key findings indicate that certain measurements can predict increased mortality risk, highlighting significant differences in responses to exercise between healthy subjects and various patient groups.
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  • Left atrial myopathy is common in chronic coronary syndromes and can be triggered by stress, especially in patients with atrial fibrillation.
  • A study involving 3042 patients assessed left atrial volume and function at rest and during stress, showing that left atrial volume index increased and LA strain decreased as patients progressed from sinus rhythm to permanent atrial fibrillation.
  • The findings highlighted that both paroxysmal and permanent AF are linked to greater left atrial dilation and dysfunction, which correlates with more instances of stress-induced ischemia and pulmonary congestion.
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Background: Lung ultrasound detects pulmonary congestion as B-lines at rest, and more frequently, during exercise stress echocardiography (ESE).

Methods: We performed ESE plus lung ultrasound (4-site simplified scan) in 4392 subjects referred for semi-supine bike ESE in 24 certified centers in 9 countries. B-line score ranged from 0 (normal) to 40 (severely abnormal).

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Article Synopsis
  • The study investigates cardiac mechanics in patients with Ischemia and non-obstructive coronary artery stenosis (INOCA) using two-dimensional speckle-tracking echocardiography (2DSTE) during stress echocardiography (SE).
  • A total of 135 patients were recruited, divided into two groups based on their coronary flow velocity reserve (CFVR): normal (95 patients) and abnormal (35 patients).
  • Results show that while 2DSTE values at rest were similar, during peak SE, the normal CFVR group exhibited better heart mechanics, indicated by lower global longitudinal strain and better layer-specific strain compared to the abnormal CFVR group, highlighting coronary microvascular dysfunction
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Objective: We aimed to assess feasibility and functional correlates of left atrial volume index (LAVI) changes during exercise stress echocardiography (ESE).

Methods: ESE on a bike or treadmill was performed in 363 patients with heart failure with preserved ejection fraction (HFpEF, n = 173), reduced ejection fraction (HFrEF, n = 59), or hypertrophic cardiomyopathy (HCM, n = 131). The LAVI stress-rest increase ≥6.

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Background: Systemic arterial hypertension (HTN) is the main risk factor for the development of heart failure with preserved ejection fraction (HFpEF). The aim of the study was was to assess the trends in PASP, E/E' and TAPSE during exercise Doppler echocardiography (EDE) in hypertensive (HTN) patients vs. healthy subjects stratified by age.

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It is known that both psoriasis (PSO) limited to the skin and psoriatic arthritis (PSA) increase the risk of cardiovascular complications and atherosclerosis progression by inducing systemic inflammatory response. In recent decades, the introduction of biological medications directed initially against TNF-α and, later, different targets in the inflammatory cascade brought a significant breakthrough in the efficacy of PSO/PSA treatment. In this review, we present and discuss the most recent findings related to the interplay between the genetics and immunology mechanisms involved in PSO and PSA, atherosclerosis and the development of cardiac dysfunction, as well as the current PSO/PSA treatment in view of cardiovascular safety and prognosis.

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Aim: The aim of this study was to assess the prognostic value of ABCDE-SE in a prospective, large scale, multicentre, international, effectiveness study. Stress echocardiography (SE) was recently upgraded to the ABCDE protocol: step A, regional wall motion abnormalities; step B, B lines; step C, left ventricular contractile reserve; step D, Doppler-based coronary flow velocity reserve in left anterior descending coronary artery; and step E, electrocardiogram-based heart rate reserve.

Methods And Results: From July 2016 to November 2020, we enrolled 3574 all-comers (age 65 ± 11 years, 2070 males, 58%; ejection fraction 60 ± 10%) with known or suspected chronic coronary syndromes referred from 13 certified laboratories.

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With stress echo (SE) 2020 study, a new standard of practice in stress imaging was developed and disseminated: the ABCDE protocol for functional testing within and beyond CAD. ABCDE protocol was the fruit of SE 2020, and is the seed of SE 2030, which is articulated in 12 projects: 1-SE in coronary artery disease (SECAD); 2-SE in diastolic heart failure (SEDIA); 3-SE in hypertrophic cardiomyopathy (SEHCA); 4-SE post-chest radiotherapy and chemotherapy (SERA); 5-Artificial intelligence SE evaluation (AI-SEE); 6-Environmental stress echocardiography and air pollution (ESTER); 7-SE in repaired Tetralogy of Fallot (SETOF); 8-SE in post-COVID-19 (SECOV); 9: Recovery by stress echo of conventionally unfit donor good hearts (RESURGE); 10-SE for mitral ischemic regurgitation (SEMIR); 11-SE in valvular heart disease (SEVA); 12-SE for coronary vasospasm (SESPASM). The study aims to recruit in the next 5 years (2021-2025) ≥10,000 patients followed for ≥5 years (up to 2030) from ≥20 quality-controlled laboratories from ≥10 countries.

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: Left ventricular contractile reserve (LVCR), coronary flow velocity reserve (CFVR), and heart rate reserve (HRR) affect outcome in heart failure (HF). They can be simultaneously measured during dipyridamole stress echocardiography (DSE). : To assess the value of comprehensive DSE in patients with non-ischemic HF.

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Stress echo (SE) 2030 study is an international, prospective, multicenter cohort study that will include >10,000 patients from ≥20 centers from ≥10 countries. It represents the logical and chronological continuation of the SE 2020 study, which developed, validated, and disseminated the "ABCDE protocol" of SE, more suitable than conventional SE to describe the complex vulnerabilities of the contemporary patient within and beyond coronary artery disease. SE2030 was started with a recruitment plan from 2021 to 2025 (and follow-up to 2030) with 12 subprojects (ranging from coronary artery disease to valvular and post-COVID-19 patients).

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Purpose: We sought to investigate aortic stenosis (AS) progression rate (pr) with the comparison between bicuspid aortic valve (BAV) and tricuspid aortic valve (TAV) morphology.

Materials And Methods: We compared ASpr in patients with BAV and TAV examined by transthoracic echocardiography (TTE) in the years 2004-2019.

Results: Data from 363 TTEs in 161 AS patients (median age 70 [61-77] years; 63% men; 25% with BAV; 20% with severe AS) performed at different time points (median time interval 10 months) was analyzed.

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Background: Two-dimensional volumetric exercise stress echocardiography (ESE) provides an integrated view of left ventricular (LV) preload reserve through end-diastolic volume (EDV) and LV contractile reserve (LVCR) through end-systolic volume (ESV) changes.

Purpose: To assess the dependence of cardiac reserve upon LVCR, EDV, and heart rate (HR) during ESE.

Methods: We prospectively performed semi-supine bicycle or treadmill ESE in 1344 patients (age 59.

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Introduction: The assessment of coronary flow velocity reserve (CFVR) may improve the diagnostic and prognostic value of stress echocardiography (SE).

Objectives: The aim of the study was to compare the feasibility of CFVR assessment in the left anterior descending artery (LAD) in 4 modalities of SE: dobutamine, dipyridamole, rapid cardiac pacing, and exercise using cycle ergometer.

Patients And Methods: We performed SE in 369 patients (mean [SD] age, 67 [11] years) with dobutamine (n = 230), dipyridamole (n = 73), rapid cardiac pacing (n = 22), or exercise (n = 44) between June 2017 and June 2020.

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Background: The exact effects of alcohol drinking on cardiac function are not clear.

Aims: This study aimed to determine the relationship between consumed amount of alcohol, myocardial injury, and prognosis.

Methods: Myocardial function and cardiac outcomes were examined in subjects with chronic alcoholism by classical and strain echocardiographic parameters, including global (GLS) and layer-specific longitudinal strain of the endocardial (GLSendo) and epicardial (GLSepi) layer.

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Exercise Doppler echocardiography (EDE) is a well-validated tool in ischemic and valvular heart diseases. However, its use in the assessment of the right heart and pulmonary circulation unit (RH-PCU) is limited. The aim of this study is to assess the semi-recumbent bicycle EDE feasibility for the evaluation of RH-PCU in a large multi-center population, from healthy individuals and elite athletes to patients with overt or at risk of developing pulmonary hypertension (PH).

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