Publications by authors named "Laura Varela-Barca"

Article Synopsis
  • Anomalous aortic origin of a coronary artery is a rare condition where a coronary artery starts from an unusual spot in the aorta, which can lead to serious heart issues, especially in young athletes.
  • A study of 16 adult patients who had surgical repair showed that the majority underwent a technique called unroofing, with no deaths or major complications reported during the follow-up period.
  • The results indicate that surgical treatments like unroofing and neo-ostium creation lead to excellent outcomes, with all patients surviving and no significant health problems during an average follow-up of nearly 74 months.
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Unlabelled: Infective endocarditis continues to represent a serious disease worldwide with high morbidity and mortality rates despite advances in diagnosis and treatment. Risk assessment plays a pivotal role in determining the appropriate course of treatment for patients diagnosed with infective endocarditis. In this context, specific endocarditis risk scores have been developed trying to help in the risk assessment process.

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In this article, we present the case of a 47-year-old man who underwent Bentall-Bono procedure and frozen elephant trunk prosthesis implantation due to severe aortic regurgitation and aortic dilatation with a second-time endovascular stent-graft repair in descending aorta. Over eight years, a subacute graft infection by Propionibacterium acnes was developed, culminating in cardiogenic shock secondary to severe aortic regurgitation due to a complete aortic root dehiscence because of multiple aortic pseudoaneurysms. The patient underwent emergency surgery in which the replacement of the graft by a biological valve tube was performed accompanied by a complete debranching of the three supra-aortic vessels.

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Unlabelled: We present a rare case of a coronary pseudoaneurysm after a Bentall-Bono procedure. During a routine follow-up computed tomography scan, a pseudoaneurysm located between the aorta and the proximal portion of the right coronary artery was diagnosed. Contrast extravasation was observed with partial thrombosis of the pseudoaneurysm.

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Background: There are several prognostic models to estimate the risk of mortality after surgery for active infective endocarditis (IE). However, these models incorporate different predictors and their performance is uncertain.

Objective: We systematically reviewed and critically appraised all available prediction models of postoperative mortality in patients undergoing surgery for IE, and aggregated them into a meta-model.

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Introduction: Sex-dependent differences of infective endocarditis (IE) have been reported. Women suffer from IE less frequently than men and tend to present more severe manifestations. Our objective was to analyse the sex-based differences of IE in the clinical presentation, treatment, and prognosis.

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We present an uncommon case of intraoperative transient myocardial ischemia related to suspicion of left main stem artery extrinsic compression caused by the radial force of the stent of Perceval® bioprosthesis. No other cases have been described, but some similarities can be found with extrinsic coronary compression in percutaneous pulmonary valves. Surgeons should be aware of this complication in patients with coronary anomalies or with bicuspid anatomy.

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We present a case report of fatal respiratory failure after cardiac surgery in the early stages of the coronavirus disease 2019 outbreak. Although not supported by epidemiological data nor clinical course, coronavirus disease 2019 infection was revealed post-mortem by immunohistochemical detection of the severe acute respiratory syndrome coronavirus 2 spike protein in lung tissue.

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Objectives: Several risk prediction models have been developed to estimate the risk of mortality after valve surgery for active infective endocarditis (IE), but few external validations have been conducted to assess their accuracy. We previously developed a systematic review and meta-analysis of the impact of IE-specific factors for the in-hospital mortality rate after IE valve surgery, whose obtained pooled estimations were the basis for the development of a new score (APORTEI). The aim of the present study was to assess its prognostic accuracy in a nationwide cohort.

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Purpose: There is a lack of consensus about which endocarditis-specific preoperative characteristics have an actual impact over postoperative mortality. Our objective was the identification and quantification of these factors.

Methods: We performed a systematic review of all the studies which reported factors related to in-hospital mortality after surgery for acute infective endocarditis, conducted according to PRISMA recommendations.

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The authors report an unusual complication of acute infective endocarditis found in a 70-year-old man with a previous history of two cardiac surgery procedures. During median sternotomy, a massive bleeding occurred. The bleeding was contained within the mediastinum and originated from the 10-year-old anastomosis of the saphenous vein to a composite graft, which was completely detached due to infective endocarditis of the aortic graft.

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We report a case of a 23-year-old man who was diagnosed with Kawasaki disease that progressed to a coronary aneurysm in the left main coronary artery (LMA). He had suffered from acute coronary syndrome and then underwent an emergent percutaneous coronary angioplasty, in which a polyurethane-covered stent was placed inside the aneurysm. The stent was thrombosed one year later, despite the patient had been treated with anticoagulant and antiplatelet therapy.

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Objectives: Cardiac surgery is a life-saving procedure in patients diagnosed with infective endocarditis (IE). There are several validated risk scores developed to predict early-mortality; nevertheless, long-term survival has been less investigated. The aim of the present study is to analyze the impact of IE-specific risk factors for early and long-term mortality.

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Background: The optimal management of patients with multivessel coronary artery disease (MVD) admitted with STEMI is under debate. CABG is rarely performed, even on ideal candidates. A provisional PCI without stent implantation may allow complete surgical revascularization (CSR) in a subset of patient that we sought to identify in this study.

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The case is reported of a 55 year-old woman, with a previously known congenital septal defect, who was admitted to the emergency department with a diagnosis of meningoencephalitis, septic shock, and rapid clinical deterioration. Echocardiography revealed a vegetation occupying the right-side heart. Endocarditis affectation of the septal defect, aortic and tricuspid valves was noted and blood cultures were positive for Staphylococcus aureus.

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Background: Nowadays, tricuspid valve replacement (TVR) is much less common than aortic or mitral valve replacement, since repair is almost always preferable. Prosthetic tricuspid valves are associated with high mortality and morbidity, mostly due to thrombotic or hemorrhagic events. Nevertheless, there is lack of evidence of which is the optimal type of valve (biological versus mechanical) in tricuspid position.

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