Publications by authors named "Jesus Alvarez Garcia"

Heart transplantation (HT) is the gold standard therapy for advanced heart failure (ADHF), and LVADs as destination therapy are an option in non-HT candidates. Most patients with ADHF never receive HT or an LVAD, so alternative strategies are needed. Intermittent levosimendan can reduce HF hospitalizations in ADHF patients in the short term.

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Aims: No study has analyzed the impact of guideline-directed medical therapy in preventing heart failure (HF) relapse in patients with arrhythmia-induced cardiomyopathy (AiCM) following left ventricular ejection fraction (LVEF) improvement.

Methods And Results: We analyzed data from a single-center cohort of 200 patients admitted for HF, LVEF <50% and cardiac arrhythmia considered by cardiologists to be the precipitating cause of the episode. The primary endpoint was time-to-HF relapse, defined as the composite of readmission for HF, Emergency Department (ED) visit for HF, or significant decline in LVEF.

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Background: Clinically important perioperative atrial fibrillation (POAF) is a common cardiac complication after noncardiac surgery. Little is known about how patients with POAF are managed acutely and whether practices have changed over time.

Methods: We conducted an observational substudy of patients who had POAF, were at elevated cardiovascular risk, and were enrolled in the PeriOperative Ischemic Evaluation (POISE)-1, 2 and 3 trials between 2002 and 2021.

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Article Synopsis
  • Self-care and empowerment in heart failure (HF) patients are crucial for better health outcomes, but there is limited information on their understanding of the condition and satisfaction with care.
  • A study involving 281 patients from 14 heart failure units revealed that patients had a good grasp of their condition, with an average knowledge score of 80.7%, although some gaps remain.
  • Despite these knowledge gaps, the majority of participants expressed high satisfaction with their care, with 98.2% likely to recommend the heart failure units to others.
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The benefit of prophylactic implantable cardioverter defibrillators (ICDs) in patients with severe systolic dysfunction of non-ischemic origin is still unclear, and the identification of patients at risk for sudden cardiac death remains a major challenge. We retrospectively reviewed all consecutive patients with non-ischemic dilated cardiomyopathy (NICM) who underwent prophylactic ICD implantation between 2008 and 2020 in two tertiary centers. Our main goal was to identify the predictors of appropriate ICD therapies (anti-tachycardia pacing [ATP] and/or shocks) in this cohort of patients.

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Introduction And Objectives: The multiparametric implantable cardioverter-defibrillator HeartLogic index has proven to be a sensitive and timely predictor of impending heart failure (HF) decompensation. We evaluated the impact of a standardized follow-up protocol implemented by nursing staff and based on remote management of alerts.

Methods: The algorithm was activated in HF patients at 19 Spanish centers.

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Aims: There is a lack of specific studies assessing the impact of natriuretic peptide monitoring in the post-discharge management of patients with heart failure (HF) and preserved ejection fraction (HFpEF), throughout the vulnerable phase following acute HF hospitalization. The NICE study aims to assess the clinical benefit of incorporating N-terminal pro-B-type natriuretic peptide (NT-proBNP) into the post-discharge management of HFpEF patients.

Methods And Results: Individuals admitted with HFpEF (left ventricular ejection fraction >50%) were included in a multicentre randomized controlled study employing an open-label design with event blinding (NCT02807168).

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Background: Incomplete treatment of congestion often leads to worsening heart failure (HF). The remote dielectric sensing (ReDS) system is an electromagnetic energy-based technology that accurately quantifies changes in lung fluid concentration noninvasively.

Objectives: This study sought to assess whether an ReDS-guided strategy during acutely decompensated HF hospitalization is superior to routine care for improving outcomes at 1 month postdischarge.

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Perioperative myocardial injury (PMI) is a common cardiac complication. Recent guidelines recommend its systematic screening using high-sensitivity cardiac troponin (hs-cTn). However, there is limited evidence of local screening programs.

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Article Synopsis
  • The study aimed to assess how coronary artery disease (CAD) influences mortality and readmission rates in patients with heart failure and reduced ejection fraction (HFrEF).
  • Out of 1,831 hospitalized heart failure patients, 583 had HFrEF, with 266 having CAD and 137 having idiopathic dilated cardiomyopathy (DCM) as the primary causes.
  • Results showed similar one-year mortality and readmission rates for both groups, but those with idiopathic DCM were significantly more likely to receive a heart transplant compared to those with CAD.
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Article Synopsis
  • The study aimed to evaluate how well Spanish physicians, divided by sex, accept the European Clinical Practice Guidelines on heart failure, using a survey distributed to healthcare professionals in Madrid.
  • A total of 387 physicians participated, with women being younger and having fewer years of clinical practice than their male counterparts, but both expressed a positive view on the guidelines and the feasibility of implementing quadruple therapy quickly.
  • Women demonstrated a stronger adherence to the new treatment paradigm of "4 pillars at lowest doses," showed more willingness to establish quadruple therapy before cardiac device implantation, and were more proactive in starting SGLT2 inhibitors compared to men, indicating potential sex-related differences in guideline compliance that warrant further investigation.
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Background: Myocardial injury after non-cardiac surgery (MINS) is a frequent complication caused by cardiac and non-cardiac pathophysiological mechanisms, but often it is subclinical. MINS is associated with increased morbidity and mortality, justifying the need to its diagnose and the investigation of their causes for its potential prevention.

Methods: Prospective, observational, pilot study, aiming to detect MINS, its relationship with silent coronary artery disease and its effect on future adverse outcomes in patients undergoing major non-cardiac surgery and without postoperative signs or symptoms of myocardial ischemia.

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Background: About 300 million surgeries are performed worldwide annually and this figure is increasing constantly. Peri-operative myocardial injury (PMI), detected by cardiac troponin (cTn) elevation, is a common cardiac complication of noncardiac surgery, strongly associated with short- and long-term mortality. Without systematic peri-operative cTn screening, most cases of PMI may go undetected.

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Background: Global longitudinal strain (GLS) allows an accurate assessment of left ventricular function with prognostic value. We aimed to evaluate whether the assessment of GLS in the acute phase of Takotsubo syndrome (TTS) provides incremental prognostic value to the degree of impaired microvascular resistance (MR) in TTS patients at 1-year follow-up.

Methods: We recruited patients admitted for TTS who underwent cardiac angiography and echocardiography from January 2017 to June 2020.

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Article Synopsis
  • The study investigates the use of Venoarterial extracorporeal membrane oxygenation (VA-ECMO) in patients with refractory cardiogenic shock, focusing on determining optimal flow rates and identifying risk factors for high ECMO flow.
  • Out of 209 patients analyzed over seven years, 50% were classified as 'high-flow', exhibiting more severe conditions at admission compared to the 'low-flow' group.
  • The findings revealed that while high-flow patients experienced more complications and a higher incidence of ventilator-associated pneumonia, there was no significant difference in overall lengths of stay or survival rates between the two groups.
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The optimal duration of anticoagulation in patients with left-ventricular thrombus (LVT) is unclear. In the present study, we aimed to analyze the effect of treatment duration (≤12 months [short-term anticoagulation, (STA)] versus >12 months [long-term anticoagulation, (LTA)]) in the incidence of stroke and other secondary outcomes (acute myocardial infarction, bleeding, and mortality). Multivariate Cox regression was used to determine the association between treatment duration and stroke, adjusted for baseline embolic risk.

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Over the last decades, several scores have been developed to aid clinicians in assessing prognosis in patients with heart failure (HF) based on clinical data, medications and, ultimately, biomarkers. Lung ultrasound (LUS) has emerged as a promising prognostic tool for patients when assessed at discharge after a HF hospitalization. We hypothesized that contemporary HF risk scores can be improved upon by the inclusion of the number of B-lines detected by LUS at discharge to predict death, urgent visit, or HF readmission at 6- month follow-up.

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Background: Cardiac magnetic resonance (CMR) is a unique tool for non-invasive tissue characterization, especially for identifying fibrosis.

Aim: To present the existing data regarding the association of electrocardiographic (ECG) markers with myocardial fibrosis identified by CMR - late gadolinium enhancement (LGE).

Methods: A systematic search was performed for identifying the relevant studies in Medline and Cochrane databases through February 2021.

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