Publications by authors named "Laurence Gabriel"

Background: Recent data from European studies (EUROASPIRE V, DA VINCI, SANTORINI) indicate that achieving the LDL cholesterol (LDL-C) target in patients at very high cardiovascular risk is uncommon. Additionally, using a combination therapy involving statins and ezetimibe remains infrequent.

Methods: A single-center assessment of a pre-defined lipid lowering treatment algorithm's effectiveness at achieving the LDL-C target in patients at very high cardiovascular risk one month and one year after hospitalization.

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Article Synopsis
  • Pulmonary arterial hypertension (PAH) is a serious, rare illness that affects blood vessels in the lungs and can lead to heart failure and even death.
  • Current treatments work on three main areas but don't cure the disease, so researchers are looking for new options.
  • Sotatercept is a new medication that helps improve patients' health and quality of life, and it's been shown to be safe, though it can cause some side effects.
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Lung transplantation (LT) constitutes the last therapeutic option for selected patients with end-stage respiratory disease. Primary graft dysfunction (PGD) is a form of severe lung injury, occurring in the first 72 h following LT and constitutes the most common cause of early death after LT. The presence of pulmonary hypertension (PH) has been reported to favor PGD development, with a negative impact on patients' outcomes while complicating medical management.

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This comprehensive review explores the intricate aspects of left ventricular thrombus (LVT), a potential complication in both ischemic and non-ischemic cardiomyopathies. It provides a thorough understanding of left ventricular thrombus, revealing its uncommon incidence in the general population (7 cases per 10,000 patients), predominantly linked to ischemic heart diseases (ICMs) at an 80% prevalence rate. Diagnostic tools, notably transthoracic echocardiography (TTE) and cardiac magnetic resonance imaging (CMR), demonstrate varying sensitivity but remain indispensable in specific clinical contexts related to LVT as non-invasive diagnostic modalities.

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At the beginning of 2020, coronavirus disease 2019 (COVID-19) emerged as a new pandemic, leading to a worldwide health crisis and overwhelming healthcare systems due to high numbers of hospital admissions, insufficient resources, and a lack of standardized therapeutic protocols. Multiple genetic variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have been detected since its first public declaration in 2020, some of them being considered variants of concern (VOCs) corresponding to several pandemic waves. Nevertheless, a growing number of COVID-19 patients are continuously discharged from hospitals, remaining symptomatic even months after their first episode of COVID-19 infection.

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Aims: To describe the baseline characteristics of participants in the Acetazolamide in Decompensated Heart Failure with Volume Overload (ADVOR) trial and compare these with other contemporary diuretic trials in acute heart failure (AHF).

Methods And Results: ADVOR recruited 519 patients with AHF, clinically evident volume overload, elevated N-terminal pro-B-type natriuretic peptide (NT-proBNP) and maintenance loop diuretic therapy prior to admission. All participants received standardized loop diuretics and were randomized towards once daily intravenous acetazolamide (500 mg) versus placebo, stratified according to study centre and left ventricular ejection fraction (LVEF) (≤40% vs.

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Aims: Negative T waves and QTc prolongation often occur in patients with Takotsubo syndrome. Description of typical electrocardiographic changes could be a diagnosis element of this syndrome. This study aimed to clarify on the one hand the more preciously possible the typical electrocardiographic changes, and on the other hand, the timing of occurrence of these abnormalities compared to the trigger occurrence, the symptoms onset and the hospital admission.

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Background: We conducted a nationwide survey to describe the in-and out-of-hospital flow (diagnosis, treatment and follow-up) of patients with heart failure with reduced ejection fraction (HFrEF).

Method: A survey was developed with five dedicated HF cardiologists. The data are all self-reported by cardiologists.

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Background: Key predictors of survival after OHCA have been described in the literature. Current guidelines recommend emergency angiography in patients without an obvious extra-cardiac cause of arrest. However, the value of this strategy is debated.

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Interstitial pneumonitis is a classical complication of many drugs. Pulmonary toxicity due to 5-azacytidine, a deoxyribonucleic acid methyltransferase inhibitor and cytotoxic drug, has rarely been reported. We report a 67-year-old female myelodysplastic syndrome patient treated with 5-azacytidine at the conventional dosage of 75 mg/m for 7 days.

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Background: Patients treated for pulmonary arterial hypertension (PAH) frequently receive vitamin K antagonists (VKAs) for PAH or validated indications (such as atrial fibrillation or venous thromboembolism). In these latter indications, VKAs are challenged by direct oral anticoagulants (DOAs). Decreased dosage of DOAs has been proposed in patients at risk of bioaccumulation.

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Background: A simple method to predict drug-drug interactions mediated by cytochrome P450 enzymes (CYPs) on the basis of in vivo data has been previously applied for several CYP isoforms but not for CYP1A2. The objective of this study was to extend this method to drug interactions caused by CYP1A2 inhibitors and inducers.

Methods: First, initial estimates of the model parameters were obtained using data from the literature.

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Background/objectives: The impact of an elevation of cardiac biomarkers occurring after percutaneous coronary intervention (PCI) on long-term outcome remains controversial. Most available data are based on observational registries using multivariable analysis. In this study, a case-control approach was used to assess separately the impact of post-PCI elevation of CK-MB on the short-term in-hospital outcome and on the long-term outcome after hospital discharge.

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Aims: The transradial approach (TRA) for percutaneous coronary intervention (PCI) recently emerged as a safer vascular access with a similar rate of MACE but a lower success rate requiring crossover to another approach when compared to the transfemoral approach (TFA).

Methods And Results: In our hospital the introduction of the TRA in November 2003 resulted in a progressive decline of TFA use. Over the five years of conversion to TRA, from 2002 (100% TFA) to 2007 (98% TRA), major adverse cardiac events (MACE) and all in-hospital vascular and bleeding events, related or not to vascular access, were prospectively collected to assess performances of each approach in the specific setting of PCI (percutaneous coronary interventions).

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Background: CK-MB levels exceeding 3 times the upper limit of normal (ULN) following percutaneous coronary intervention (PCI), defining periprocedural myocardial infarction (PMI), are associated with worse outcomes. This study assessed the incidence and mechanisms of PMI and their impact on in-hospital stay.

Methods And Results: Over a 12-year period (1996-2007), 272 cases of PMI (overall incidence, 3.

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We report the discovery at transthoracic echocardiography of a very large, sessile formation in the left atrium in a 77-year-old woman with permanent non-valvular atrial fibrillation who did not receive anticoagulant therapy. After six weeks of anticoagulation by subcutaneous low-molecular-weight heparin, a control echocardiogram demonstrated an almost complete resolution of the mass without systemic embolisation. This case highlights the success, without complications, of a medical anticoagulant therapy for giant left atrial thrombus.

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Aims: Despite a proven safety profile, the transradial approach (TRA) for coronary procedures is regarded by many as complicated and the second-choice arterial access, with a high conversion rate to transfemoral access (TFA). This study reports causes of failure and the contemporary success rate of TRA when both radial arteries are attempted first before converting to TFA.

Methods: This prospective, single-center study included 1,826 consecutive patients referred for cardiac catheterization, which was performed by two trained operators between January 2005 and June 2007.

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Cardiac resynchronization therapy (CRT) decreases muscle sympathetic nerve activity (MSNA) in patients with severe congestive heart failure (CHF) and cardiac asynchrony. Whether this affects equally patients who clinically respond or not to CRT is unknown. We tested the hypothesis that the favorable effects of CRT on MSNA disappear on CRT interruption only in those who respond to CRT.

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Since lungs, great vessels and heart share together the main volume of the thorax, itself limited by the thoracic wall, variations in pressure or volume of each one must influence the work of the others especially in case of disease. Failure of the left heart overloads the pulmonary vascular bed, induces an interstitial oedema followed by an alveolar oedema with mostly restrictive functional consequences on the lung and disturbed gas exchange. Heart failure can be due to systolic or diastolic dysfunction.

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The present study evaluated the prevalence of mechanical inter- and intraventricular dyssynchrony in patients with heart failure and preserved left ventricular (LV) ejection fraction (LVEF). We studied 138 patients with heart failure (age 67+/-11 years; 76% men); 60 patients had preserved LVEF (>40%). Using conventional Doppler echocardiography, an interventricular mechanical delay>or=40 ms was defined as interventricular dyssynchrony.

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Atrial fibrillation after coronary artery bypass surgery occurs in 30 to 40% of patients. Prophylactic therapy with drugs is not always possible and not always efficient. Atrial pacing may play a role in the prevention of atrial fibrillation.

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