Publications by authors named "Ivan Nunez Gil"

Background: Takotsubo syndrome (TTS) is characterized by transient left ventricular (LV) dysfunction and wall motion abnormalities without culprit coronary artery disease. LV thrombus (LVT) formation during the acute phase is a fearsome complication.

Objectives: To identify factors associated with LVT and its prognostic impact in TTS patients.

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Background: The diagnostic yield of invasive coronary angiography (ICA) in patients with chronic coronary syndromes (CCS) in contemporary practice is uncertain.

Aims: We investigated the value of an advanced invasive diagnosis (AID) strategy combining angiography and intracoronary testing.

Methods: AID-ANGIO is an all-comers, prospective, multicentre study enrolling CCS patients referred for ICA.

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Introduction Y Objectives: Tako-tsubo syndrome (TTS) is a cardiac condition that mimics acute coronary syndrome, characterized by transient left ventricular dysfunction in the absence of culprit coronary artery stenosis. Although its etiology remains unknown, reversible microvascular dysfunction secondary to an adrenergic surge is thought to play a role. Treatment is empirical, although most patients receive beta-blockers (BB) in clinical practice.

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Article Synopsis
  • A study analyzed 412 patients with Takotsubo syndrome who experienced cardiogenic shock, revealing that 17.2% of these patients were men.
  • Men were generally older, had higher smoking rates, and showed worse heart function and longer hospital stays compared to women.
  • Despite differences in health conditions during hospitalization, sex did not significantly affect short- or long-term mortality rates in these patients.
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  • Researchers studied 1,729 patients with coronary artery aneurysms (CAAs) to understand their clinical characteristics and predict outcomes, using data from an international registry across 9 countries.
  • The majority of patients were male (78.6%) averaging 66 years old, with significant cardiovascular issues such as coronary artery disease (85.8%) and a median of 1 aneurysm per patient, primarily affecting the left anterior descending artery.
  • During a median follow-up of about 45 months, 21.9% of patients died, and 37.1% experienced major adverse cardiovascular events; factors like age, diabetes, and kidney disease were linked to worse outcomes.
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Background: Bolus thermodilution and intravenous adenosine are established methods for coronary microcirculatory assessment. Yet, its adoption remains low, partly due to procedural time and patient discomfort associated with intravenous adenosine. We investigated differences between intracoronary and intravenous adenosine using bolus thermodilution in terms of microcirculatory indices, procedural time, and side effects associated with adenosine in patients with myocardial ischemia and nonobstructive coronary arteries.

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Background: Cardiogenic shock (CS) complicates Takotsubo syndrome (TTS), significantly affecting patient outcomes. Since avoiding catecholamines, particularly inotropic agents, is recommended in TTS, temporary mechanical circulatory support (MCS) shows promise as a bridge to recovery. However, there is no prospective data on its use in TTS.

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Background: Conduction disturbances represent one of the most common complications following transcatheter aortic valve replacement (TAVR). We sought to investigate the role of left ventricular outflow tract (LVOT) morphology in the development of conduction disturbances following TAVR.

Methods And Results: Consecutive patients who underwent TAVR in our center were included.

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Numerous cases of myocarditis related to mRNA vaccines for COVID-19 have recently been described, usually in young men. Long-term evolutive cardiac magnetic resonance imaging (CMR) data are lacking. We describe four consecutive cases of COVID-19 vaccine-induced myocarditis.

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Background: Pulmonary embolism (PE) treatment is based on risk stratification according to European Society of Cardiology (ESC) guidelines. However, emerging therapies in acute PE may require a more granular risk classification. Therefore, the objective of the present study was to propose a new RIsk claSsification Adapting the SCAI shock stages to right ventricular failure due to acute PE (RISA-PE).

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Background: Takotsubo syndrome (TTS) is a form of transient left ventricular (LV) dysfunction that usually resolves within days to weeks.

Objectives: We aimed to assess the predictors and prognostic impact of time-to-LV recovery after TTS.

Methods: Prospective serial imaging data from the nationwide, multicenter RETAKO (REgistry on TAKOtsubo Syndrome) were comprehensively reviewed to assess the timing of LV recovery.

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Background: Few data are available on long-term drug therapy and its potential prognostic impact after Takotsubo syndrome (TTS). Aim of the study is to evaluate clinical characteristics and long-term outcome of TTS patients on Renin Angiotensin system inhibitors (RASi).

Methods: TTS patients were enrolled in the international multicenter GEIST (GErman Italian Spanish Takotsubo) registry.

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Introduction And Objectives: Thrombocytopenia frequently occurs after transcatheter aortic valve implantation (TAVI) but its impact is poorly understood. We aimed to analyze the incidence, clinical impact, and predictors of acquired thrombocytopenia after TAVI.

Methods: This retrospective multicenter registry included 3913 patients undergoing TAVI with a baseline platelet count of ≥ 100 *10/L.

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Background: Patients with Takotsubo syndrome (TTS) who develop cardiogenic shock may present with left ventricular outflow tract obstruction (LVOTO). The prognosis and treatment of this population have not been defined in previous studies. The aim of this study is to describe the clinical presentation, management, evolution and prognosis of a subgroup of patients with TTS and cardiogenic shock according to whether they present with LVOTO or not.

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Article Synopsis
  • - The study aims to compare immediate versus staged percutaneous coronary intervention (PCI) strategies for patients with aneurysmatic right coronary artery (ARCA) during acute coronary syndrome (ACS), analyzing outcomes from 85 patients.
  • - Results show that both PCI strategies had similar rates of procedural success and long-term outcomes, but the staged approach led to a higher incidence of bleeding and longer hospital stays.
  • - The findings suggest that while both methods are viable, immediate PCI might be preferable due to lower complications and shorter hospital duration.
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In recent years, there has been a notable shift in cardiovascular clinical practice within cardiology and surgery. The CARDIOXCARDIO study aimed to identify professionals' opinions on working practices and relations between specialties. A survey was simultaneously sent to the 4442 members of the Spanish Society of Cardiovascular and Endovascular Surgery (SECCE) and the Spanish Society of Cardiology (SEC), yielding 385 valid responses.

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Article Synopsis
  • * Researchers analyzed data from the HOPE-2 registry, examining 2382 patients discharged alive and tracking their mortality and long-term COVID-19 symptoms.
  • * Findings reveal that patients with elevated troponin levels face higher mortality rates and are more likely to experience lasting cardiovascular issues, such as fatigue and dyspnea, after discharge.
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Background: Recently, abnormal thyroid function was shown to be common in patients with Takotsubo syndrome (TTS), being classified into "endocrine-type" and "stress-type" responses. The aim of this study was to investigate the association between thyroid homeostasis and TTS in a larger international registry.

Methods: In total 288 patients with TTS were enrolled through the GEIST multicentre registry from Germany, Italy and Spain.

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Introduction: Data on the association between kidney function and Takotsubo syndrome (TTS) outcomes are scarce and conflictive.

Objective: To assess the impact of chronic kidney disease (CKD) and acute renal failure (ARF) in patients with TTS.

Material And Methods: Patients from the prospective nation-wide (RETAKO) registry were included and divided into quartiles of maximum creatinine (Cr) level during hospitalization.

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Takotsubo syndrome (TTS) in the pediatric population is an infrequent but relevant cause of morbidity and mortality, with limited studies addressing its clinical course and prognosis. We aimed to analyze the clinical features and prognosis of pediatric TTS in a nation-wide multicenter registry and considering the published literature. We included a total of 54 patients from 4 different hospitals in Spain, as well as pediatric TTS patients from the published literature.

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