Publications by authors named "David Pilecky"

: In heart failure (HF) with reduced ejection fraction (HFrEF), the early diagnosis and proper treatment of comorbidities (CMs) are of fundamental relevance. Our aim was to assess the prevalence of CMs among real-world patients requiring hospitalisation for HFrEF and to investigate the effect of CMs on the implementation of guideline-directed medical therapy (GDMT) and on all-cause mortality (ACM). : The data of a consecutive HFrEF patient cohort hospitalised for HF between 2021 and 2024 were analysed retrospectively.

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  • The study analyzed the impact of digitalis therapy on mortality in patients with severe heart failure undergoing cardiac resynchronization therapy (CRT) over an average follow-up of 37 months.
  • Out of 552 CRT recipients, 40% used digitalis, exhibiting worse heart function and higher NYHA class, but the analysis found no significant difference in mortality rates between digitalis users and non-users.
  • While digitalis use was linked to fewer cardiac rehospitalizations, it was also associated with a higher incidence of ventricular tachyarrhythmias needing ICD shocks, and CRT response was better in non-users.
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Background: Kidney dysfunction (KD) is a main limiting factor of applying guideline-directed medical therapy (GDMT) and reaching the recommended target doses (TD) in heart failure (HF) with reduced ejection fraction (HFrEF).

Hypothesis: We aimed to assess the success of optimization, long-term applicability, and adherence of neurohormonal antagonist triple therapy (TT:RASi [ACEi/ARB/ARNI] + βB + MRA) according to the KD after a HF hospitalization and to investigate its impact on prognosis.

Methods: The data of 247 real-world, consecutive patients were analyzed who were hospitalized in 2019-2021 for HFrEF and then were followed-up for 1 year.

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(1) Background: Besides the use of guideline-directed medical therapy (GDMT), multidisciplinary heart failure (HF) outpatient care (HFOC) is of strategic importance in HFrEF. (2) Methods: Data from 257 hospitalised HFrEF patients between 2019 and 2021 were retrospectively analysed. Application and target doses of GDMT were compared between HFOC and non-HFOC patients at discharge and at 1 year.

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Cardiac resynchronization therapy (CRT) is a cornerstone therapeutic opportunity for selected patients with heart failure. For optimal patient selection, no other method has been proven to be more effective than the 12-lead ECG, and hence ECG characteristics are extensively researched. The evaluation of particular ECG signs before the implantation may improve selection and, consequently, clinical outcomes.

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Introduction: Renal dysfunction is a main limiting factor of applying and up-titrating guideline-directed medical therapy (GDMT) among patients with heart failure with reduced ejection fraction (HFrEF).

Objective: Our retrospective monocentric observational study aimed to analyse the application ratio of combined neurohormonal antagonist therapy (RASi: ACEI/ARB/ARNI + βB + MRA) and 12-month all-cause mortality differences in terms of renal dysfunction among HFrEF patients hospitalized for heart failure.

Method: We retrospectively analysed the cohort of consecutive HFrEF patients, hospitalized at the Heart Failure Unit of our tertiary cardiological centre in 2019-2021.

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Cardiovascular mortality has declined significantly in recent years, however, sudden cardiac death remains the leading cause of death in a range of different mortality indicators, very often caused by cardiac arrhythmias. The electrophysiological causes of sudden cardiac death include ventricular tachycardia, ventricular fibrillation, asystole and pulseless electrical activity. In addition, other cardiac arrhythmias may also trigger sudden cardiac death, periarrest arrhytmias.

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Article Synopsis
  • Hospitalization for heart failure (HF) can lead to a poor prognosis, making guideline-directed medical therapy (GDMT) essential for improving patient outcomes, especially for those with reduced ejection fraction (HFrEF).
  • A study at a Hungarian cardiac center assessed the real-world application of key treatments like RASi, βB, MRA, and SGLT2i among HFrEF patients from 2019 to 2021, while also identifying factors influencing therapy optimization.
  • Results showed significant increases in the usage of these therapies during hospitalization, particularly in triple and quadruple therapies, highlighting the successful implementation of GDMT and the potential for improved patient care.
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  • Cardiac resynchronization therapy (CRT) can enhance left ventricular function and promote reverse remodeling of the heart's electrical system, which can be tracked through changes in QRS complex width over time.
  • A meta-analysis of 16 studies with 930 patients showed that 42% experienced reverse electrical remodeling, which correlated with greater mechanical improvement and clinical outcomes.
  • Patients showing reverse remodeling had a significant reduction in intrinsic QRS duration, indicating better heart function, while no notable difference in all-cause mortality was observed between those with and without remodeling.
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Összefoglaló. A landiolol intravénásan alkalmazandó, kifejezetten cardioselectiv, gyors hatású és rövid felezési idejű béta-1-receptor-blokkoló, mely elsősorban negatív chronotrop és inotrop hatással bír, vérnyomáscsökkentő hatása elhanyagolható. Főleg hemodinamikailag instabil állapotú, supraventricularis ritmuszavarban szenvedő betegek kamrafrekvenciájának csökkentésére használható.

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Proper hemodynamic management is necessary among post-cardiac arrest patients to improve survival. We aimed to investigate the effects of PiCCO™-guided (pulse index contour cardiac output) hemodynamic management on mortality in post-resuscitation therapy. In this longitudinal analysis of 63 comatose patients after successful cardiopulmonary resuscitation cooled to 32-34 °C, 33 patients received PiCCO™, and 30 were not monitored with PiCCO™.

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Introduction: Based on recently published randomized controlled trials, cardiac contractility modulation (CCM) seems to be an effective device-based therapeutic option in symptomatic chronic heart failure (HF) (CHF). The aim of the current study was to estimate what proportion of patients with CHF and left ventricular ejection fraction (LVEF) <50% could be eligible for CCM based on the inclusion criteria of the FIX-HF-5C trial.

Methods: Consecutive patients referred and followed up at our HF clinic due to HF with reduced or mid-range LVEF were retrospectively assessed.

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  • Sudden cardiac death is a significant worldwide health issue, and current methods to assess mortality risk upon ICU admission for resuscitated patients are lacking.
  • The study compared two risk scoring systems, the standard CardShock Risk Score (CSRS) and a modified version (mCSRS) that includes specific factors like initial rhythm and inotropic requirements, to predict mortality in post-cardiac arrest patients.
  • The results showed that the mCSRS significantly improved survival prediction, indicating it may provide a more accurate assessment for healthcare providers in managing care for these patients.
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Összefoglaló. Az áramütés súlyos esetben hirtelen halállal vagy több szervrendszer kiterjedt károsodásával járhat. A magasfeszültségű áramütés (>1000 V) általában súlyosabb égési sérülésekkel és magasabb kórházi mortalitással jár, mint az alacsonyfeszültségű, de a sérülések súlyosságát a feszültségen kívül a test ellenállása, az áramexpozíció ideje, az áram fajtája, erőssége és útja is befolyásolja.

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There is a lack of evidence on electrocardiographic criteria for ST-elevation myocardial infarction (STEMI) in patients with biventricular paced rhythm. In all previous case reports of STEMI in biventricular paced rhythm, concordant ST-elevations and/or discordant ST-elevations >5 mm were present. This report describes the case of a patient with anterior STEMI and discordant ST-elevations of less than 5 mm during biventricular stimulation with epicardial left ventricular lead and highlights the importance of comparing the electrocardiogram to previous recordings when STEMI is suspected.

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  • The study aimed to investigate the prevalence of ECG abnormalities and cardiac arrhythmias in patients who experienced electrical accidents, highlighting the lack of established guidelines for their risk assessment and management.
  • Conducted from 2011 to 2016, the study analyzed data from 480 patients, most of whom sustained low-voltage injuries, with significant findings of ECG disorders such as bradycardia and tachycardia.
  • Results showed that while there were various types of arrhythmias detected, the overall mortality rates during hospitalization and at 30 days were also assessed, providing insights into the dangers of electrical injuries.
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In the last fifteen years mild therapeutic hypothermia became an accepted and widespread therapeutic method in the treatment of successfully resuscitated patients due to sudden cardiac death. Based on the available evidence therapeutic hypothermia is part of the resuscitation guidelines, however, many aspects of its therapeutic use are based on empirical facts. In particular, the subjects of intense debate are the ideal target temperature and the benefit of hypothermia in patients found with non-shockable rhythm.

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