Publications by authors named "Stephane Ederhy"

Article Synopsis
  • - Acalabrutinib, a more advanced treatment for chronic lymphocytic leukemia, has a better safety profile than older drugs but lacks clear guidelines on managing its side effects, prompting a study to establish best practices.
  • - A team of medical professionals across France found that hospital pharmacists should evaluate drug interactions before starting patients on acalabrutinib and advised against using it with certain medications that can increase risks of toxicity or reduce effectiveness.
  • - The study highlighted the need for monitoring blood pressure during treatment, outlined protocols for managing procedures, and suggested headache management strategies, demonstrating the importance of teamwork in improving patient care while using acalabrutinib.
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  • Immune-checkpoint inhibitors (ICIs) can lead to serious heart issues like myocarditis, which can also involve broader muscle-related symptoms, highlighting the need for understanding associated risks.
  • A study conducted across 17 countries from 2014 to 2023 examined data from 748 patients to identify factors that predict severe outcomes related to these heart complications, using a statistical model for analysis.
  • Key findings indicated that certain conditions (like active thymoma) and symptoms (like low heart function) significantly increased the risk of severe heart-related events, and a risk score created from these factors effectively predicted outcomes, validated in multiple cohorts.
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Background: Left atrial (LA) strain is a simple marker of LA function. The aim of the study was to evaluate the determinants of atrial cardiomyopathy in AF.

Methods: In this pilot study, we prospectively evaluated clinical, biological, metabolomic and echocardiographic parameters for 85 consecutive patients hospitalized for atrial fibrillation (AF) with restoration of sinus rhythm at 6 months.

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  • * Research shows that patients with thymic epithelial tumors (TET), especially thymoma, experience ICI-related myotoxicities more frequently and with greater severity than those with other cancers.
  • * The presence of anti-acetylcholine-receptor antibodies suggests a link between thymic-related autoimmune responses and ICI myotoxicities, indicating that assessing the thymus could help predict these serious side effects in patients undergoing ICI therapy.
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Background: Acute myocardial infarction (AMI) is one of the major cardiac complications in patients hospitalized in the intensive care unit (ICU) for non-cardiac disease. A better knowledge of ischemic and bleeding risks in these patients is needed to identify those most likely to benefit from specific cardiac management. We therefore assessed the incidence and predictors of a composite outcome of severe ischemic event (AMI recurrence, ischemic stroke), major bleeding, or all-cause death in this setting.

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Post-transplant cyclophosphamide (PT-Cy) is effective for graft-versus-host disease (GVHD) prophylaxis, but it may cause dose-dependent toxicities, particularly in frail patients. Therefore, we compared the outcomes with a reduced PT-Cy total dose (70 mg/kg) to those with the standard PT-Cy dose (100 mg/kg) in haploidentical hematopoietic cell transplantation (HCT) patients aged ≥ 65 years and those with cardiac comorbidities. All consecutive patients with a hematological malignancy receiving peripheral blood stem cells (PBSCs) after a thiotepa-based conditioning with low-dose antithymocyte globulin were included.

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  • The study examines the prevalence and predictors of cerebral lesions in patients with immune thrombotic thrombocytopenic purpura (iTTP) and hemolytic uremic syndrome (HUS) during their acute phases.
  • One-third of the 73 patients analyzed showed acute ischemic lesions on MRI, and neurological symptoms were not significantly different between iTTP and HUS cases.
  • Key factors predicting these lesions included the presence of old infarcts, elevated blood pulse pressure, and a diagnosis of iTTP, indicating potential areas for enhanced treatment approaches.*
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Background: Immune checkpoint inhibitors (ICIs) are approved for multiple cancers but can result in ICI-associated myocarditis, an infrequent but life-threatening condition. Elevations in cardiac biomarkers, specifically troponin-I (cTnI), troponin-T (cTnT), and creatine kinase (CK), are used for diagnosis. However, the association between temporal elevations of these biomarkers with disease trajectory and outcomes has not been established.

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Background: Immune checkpoint inhibitors (ICI) have transformed cancer treatment over the last decade. Alongside this therapeutic improvement, a new variety of side effects has emerged, called immune-related adverse events (irAEs), potentially affecting any organ. Among these irAEs, myocarditis is rare but life-threatening.

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  • The study investigates the connection between immune-checkpoint inhibitor (ICI)-associated myotoxicity, specifically looking at myocarditis and myositis, which can be life-threatening.
  • It details a treatment strategy that involved the use of mechanical ventilation for respiratory muscle issues and the administration of the drugs abatacept and ruxolitinib in patients diagnosed with severe ICI myocarditis.
  • Results showed a significant drop in myotoxicity-related fatalities from 60% in the initial patient group to just 3.4% in the later group, indicating the effectiveness of early intervention and specific treatment adjustments.
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Although post-transplant cyclophosphamide (PT-Cy) is effective for graft-versus-host disease (GVHD) prophylaxis, it is associated with toxicities, which might be dose-dependent. We compared the outcomes with PT-Cy at 80 mg/kg to those with PT-Cy at 100 mg/kg in elderly patients undergoing haploidentical hematopoietic cell transplantation (HCT). Inclusion criteria included peripheral blood stem cells, hematological malignancy, and age>65 years (or age>60 years if cardiac event history).

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Introduction: Multi-receptor tyrosine kinase inhibitors with anti-angiogenic activity, particularly lenvatinib, have become the standard treatment for radioiodine-refractory metastatic differentiated thyroid cancer but are associated with a high incidence of toxicity. Although patients treated with lenvatinib have been shown to have a significant improvement in progression-free survival, lenvatinib-associated toxicity may result in dose reductions, dose interruptions or even complete lenvatinib withdrawal, compromising anti-tumor efficacy.

Areas Covered: The article covers the main cardiological and renal toxicities of lenvatinib, including hypertension, prolonged QT interval, heart failure, arterial and venous thromboembolic events, proteinuria and renal failure, and proposes appropriate management of these events during lenvatinib therapy.

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Article Synopsis
  • The study investigates the impact of immune checkpoint inhibitor (ICI) myocarditis on global circumferential strain (GCS) and global radial strain (GRS), which are measures of heart function, comparing 75 ICI myocarditis patients to 50 controls without myocarditis.
  • Pre-treatment GCS and GRS were similar in both groups, but those with myocarditis had significantly lower GCS and GRS during treatment.
  • Lower GCS and GRS correlated with a higher risk of cardiovascular events, indicating their potential as better indicators of heart health compared to traditional markers like cardiac troponin T and left ventricular ejection fraction.
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  • ICB-myocarditis can mimic other heart issues like acute coronary syndrome, complicating quick diagnosis.
  • A study of 261 patients revealed that 22.6% had coronary artery disease (CAD), with those undergoing revascularization having higher 90-day mortality rates.
  • The presence of CAD alongside ICB-myocarditis can worsen outcomes, especially after revascularization, highlighting the need for careful diagnosis and management.
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  • - Turner syndrome (TS) is a rare genetic condition affecting about 1 in 2,500 liveborn girls, characterized by the absence of all or part of an X chromosome, with common karyotypes being 45,X and 45,X/46,XX mosaic.
  • - The French National Diagnosis and Care Protocol (PNDS) aims to guide healthcare professionals in managing TS, providing insights based on expert consensus and literature review from the French National Reference Center for Rare Growth and Developmental Endocrine disorders.
  • - TS can lead to several health issues, including growth retardation, gonadal dysgenesis, and increased risk of various congenital and acquired diseases, necessitating a collaborative approach among healthcare providers for effective patient
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Background: Identifying which patients with acute myocardial infarction (AMI) during sepsis are at risk of poor outcome is a clinical challenge.

Aim: To evaluate Global Registry of Acute Coronary Events (GRACE) and Thrombolysis In Myocardial Infarction (TIMI) risk scores to predict in-hospital mortality and severe ischaemic events in this setting.

Methods: In this single-centre retrospective study conducted from 2012 to 2016, all consecutive adults hospitalized in the intensive care unit for sepsis who had a concomitant AMI (within 72hours of admission) were enrolled.

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