Publications by authors named "Emil J Dabrowski"

Cardiac transthyretin amyloidosis is an underdiagnosed disorder with significant diagnostic difficulties due to its non-specific clinical manifestations. It is caused by the deposition of protein aggregates with an abnormal tertiary structure in the extracellular matrix. Their accumulation leads to the development of hypertrophic and restrictive cardiomyopathy and, at a later stage, heart failure with preserved ejection fraction syndrome.

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: Simple surgical and clinical risk scores are useful in mortality prediction. : The study's aim was to validate three scores in real-world registry of percutaneous coronary intervention (PCI) for the left main coronary artery (LMCA). : All data were obtained from the BIA-LM Registry.

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Article Synopsis
  • The study analyzed 998 patients who underwent percutaneous coronary intervention (PCI) for left main coronary artery (LMCA) from 2007 to 2022, focusing on mortality predictors and trends.
  • Key findings showed that older age and conditions like myocardial infarction, diabetes, and chronic obstructive pulmonary disease worsened prognosis, while higher ejection fraction and use of intravascular imaging led to better outcomes.
  • Overall, the rate of LMCA PCI increased over the years, short-term mortality improved, but longer-term prognosis showed a trend toward worsening, highlighting the need to address multimorbidity in patients.
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Aims: Short-term effects of Polish smog, particularly benzo(alpha)pyrene (B(a)P), are unclear. We aimed to examine the association between short-term exposure to air pollution and ischemic stroke (IS) incidence.

Methods: We conducted a retrospective population-based cohort study including an EP-PARTICLES cohort of 8 million inhabitants in the years 2011-2020 (80 million person-years of observation).

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Atrial fibrillation (AF) is the most common arrhythmia worldwide, and is associated with a significant risk of thromboembolic events. Left atrial appendage occlusion (LAAO) has emerged as a promising alternative for patients with contraindications or intolerance to anticoagulant therapy. This review summarises the current evidence, indications, and technical advancements in surgical and percutaneous LAAO.

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Article Synopsis
  • Left atrial appendage closure (LAAC) during heart surgery for atrial fibrillation (AF) patients may lower long-term stroke risk and mortality, but mixed evidence exists regarding its effectiveness in non-AF patients.
  • A review of 25 studies indicated that while LAAC reduced early stroke risk by 19% and late stroke risk by 13%, it showed no advantages for patients without AF.
  • Overall, LAAC appears beneficial in patients with preoperative AF, suggesting it could reduce long-term mortality and stroke rates, but there’s insufficient evidence to recommend it for those without AF.
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Despite evidence suggesting the benefit of prophylactic regional antibiotic delivery (RAD) to sternal edges during cardiac surgery, it is seldom performed in clinical practice. The value of topical vancomycin and gentamicin for sternal wound infections (SWI) prophylaxis was further questioned by recent studies including randomized controlled trials (RCTs). The aim of this systematic review and meta-analysis was to comprehensively assess the safety and effectiveness of RAD to reduce the risk of SWI.

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Background: Air pollution (AP) is linked up to 20% of cardiovascular deaths. The aim of this nationwide study was to investigate subpopulations vulnerable to AP for non-ST- (NSTEMI) and ST-elevation myocardial infarction (STEMI) incidence.

Methods: We analysed short- (lags up to seven days) and mid-term (0-30 days moving average) influence of particulate matter (PM), sulphur dioxide (SO), nitrogen dioxide (NO) and benzo(a)pyrene (BaP) on hospitalizations due NSTEMI and STEMI in 2011-2020.

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The number of individuals referred for coronary artery bypass grafting (CABG) with preoperative atrial fibrillation (AF) is reported to be 8% to 20%. Atrial fibrillation is a known marker of high-risk patients as it was repeatedly found to negatively influence survival. Therefore, when performing surgical revascularization, consideration should be given to the concomitant treatment of the arrhythmia, the clinical consequences of the arrhythmia itself, and the selection of adequate surgical techniques.

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Background: Surgical ablation for atrial fibrillation at the time of isolated coronary artery bypass grafting is reluctantly attempted. Meanwhile, complete revascularization is not always possible in these patients. We attempted to counterbalance the long-term benefits of surgical ablation against the risks of incomplete revascularization.

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Hypertension remains a global threat to public health, affecting the worldwide population. It is one of the most common risk factors for cardiovascular disease. Today's treatments focus on creating a hypotensive effect.

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The study aimed to validate the European System for Cardiac Operative Risk Evaluation score (EuroSCORE II) in patients with atrial fibrillation (AF). All data were retrieved from the National Registry of Cardiac Surgery Procedures (KROK). EuroSCORE II calibration and discrimination performance was evaluated.

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Article Synopsis
  • Routine use of topical vancomycin after cardiac surgery is often overlooked, despite it being recommended in guidelines and questioned in recent trials for its effectiveness against sternal wound infections.
  • An analysis of 20 studies, including both randomized controlled trials and observational studies, showed that topical vancomycin reduced the risk of sternal wound infections by nearly 70%, with benefits seen for both superficial and deep infections.
  • The treatment's effectiveness was particularly pronounced in patients with diabetes, and no resistance to vancomycin or methicillin was found, leading to a significant decrease in gram-negative cultures as well.
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Background: While tackling moderate tricuspid regurgitation (TR) simultaneously with left-side heart surgery is recommended by the guidelines, the procedure is still seldom performed, especially in the minimally invasive setting. Atrial fibrillation (AF) is a known marker of both mortality and TR progression after mitral valve surgery.

Aims: This study aimed to investigatev the safety of performing tricuspid intervention and minimally invasive mitral valve surgery (MIMVS) in patients with preoperative AF.

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In the aging society, the issue of coronary chronic total occlusion (CTO) has become a challenge for invasive cardiologists. Despite the lack of clear indications in European and American guidelines, the rates of percutaneous coronary interventions (PCI) for CTO increased over the last years. Well-conducted randomized clinical trials (RCT) and large observational studies brought significant and substantial progress in many CTO blind spots.

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Article Synopsis
  • Transcatheter aortic valve implantation (TAVI) is an alternative to traditional surgery for patients with aortic stenosis, with new valve designs like Medtronic's Evolut PRO aiming to improve patient outcomes.
  • A systematic review and meta-analysis compared the new Evolut PRO valve with its predecessor, the Evolut R, using data from 11 studies involving over 12,000 patients.
  • Findings revealed that both valves had similar overall outcomes, but the Evolut PRO significantly reduced the risk of moderate-to-severe paravalvular leaks and major bleeding compared to the Evolut R.
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Growth differentiation factor 15 (GDF-15) and the no-reflow phenomenon are predictors of mortality after ST-segment elevation myocardial infarction (STEMI). We aimed to assess the relation between GDF-15 concentration on admission and the no-reflow phenomenon. The study was conducted prospectively among 80 consecutive STEMI patients who underwent primary PCI.

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Due to its anatomical features, patients with an obstruction of the left main coronary artery (LMCA) have an increased risk of death. For years, coronary artery bypass grafting (CABG) has been considered as a gold standard for revascularization. However, notable advancements in the field of percutaneous coronary intervention (PCI) led to its acknowledgement as an important treatment alternative, especially in patients with low and intermediate anatomical complexity.

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It is well known that exceeded levels of particulate matter in the air and other air pollutants harmfully affect the cardiovascular system. Empirical analyses of the effects of these factors on stroke incidence and mortality are still limited. The main objective of our analyses was to determine the association between short-term exposure to air pollutants and stroke incidence in non-industrial areas, more specifically in north-eastern Poland.

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The detrimental influence of air pollution on mortality has been established in a series of studies. The majority of them were conducted in large, highly polluted cities-there is a lack of studies from small, relatively clean regions. The aim was to analyze the short-term impact of particulate matters (PMs) on mortality in north-eastern Poland.

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