Publications by authors named "Charriere S"

Background And Objective: Adult patients with early-treated phenylketonuria (AwET-PKU) may present some subtle neurocognitive deficits. The aim of the study was to investigate 1) neurocognitive functions in a large group of AwET-PKU 2) the influence of plasma phenylalanine (Phe).

Methods: Participants: 187 AwET-PKU (classic PKU [cPKU] 81%, mild PKU [mPKU] 14%, and mild persistent hyperphenylalaninemia [MPH] 5%).

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Article Synopsis
  • Phenylketonuria (PKU) is a serious genetic disorder that can lead to severe cognitive impairment and other health issues if untreated, prompting a study on its economic impact in France.
  • A retrospective analysis was conducted using health insurance claims from the national database, identifying 3549 PKU patients and comparing their healthcare costs with matched controls in 2018.
  • Results revealed that PKU patients incurred healthcare costs that were 7.7 times higher than those of non-PKU controls, mainly due to expensive pharmaceutical needs like dietary amino acid supplements, particularly impacting those diagnosed early.
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Background: Determining the cause of hypoglycemia partly relies on blood insulin and C-peptide assays. Although the pancreatic secretion of these peptides is equimolar, discrepancies in their concentrations may occur.

Case Presentation: We report the case of a 73-year-old woman with type 2 diabetes mellitus (T2DM) and a history of gastric bypass.

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Article Synopsis
  • - The study focuses on dysbetalipoproteinemia (DBL), a lipid disorder linked to cardiovascular disease risk, especially in individuals with the ε2ε2 genotype, and evaluates the effectiveness of nine different screening algorithms, including a new one developed by the researchers.
  • - Patients were classified into three groups based on their genetic background and the diagnostic performance of the algorithms was assessed against a gold standard of specific triglyceride levels and genotypes.
  • - The findings indicate that the "Hospices Civils de Lyon (HCL) algorithm" demonstrated superior diagnostic ability for detecting DBL in both ε2ε2 and rare variant carriers compared to other algorithms, highlighting the need for further investigation into the accuracy of these screening methods.
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Background: Influenza vaccines are effective in decreasing hospitalizations and mortality related to influenza and its complications. However, the Vaccine Coverage Rate of influenza remains low and multifaceted efforts are required to improve it. The aim of this study was to assess the impact on influenza vaccine perception using a digital tool among outpatients and health care workers (HCWs).

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Background: Phenylketonuria (PKU) is an inborn error of metabolism. When diagnosed late, it causes developmental delay or severe irreversible intellectual disability. This study aimed at evaluating the health status and healthcare consumption of late-diagnosed PKU patients in France.

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Objectives: Low-density lipoprotein cholesterol (LDL-C) concentration was calculated for many years using the Friedewald equation, but those from Sampson and extended-Martin-Hopkins perform differently. Their accuracy in fasting hypertriglyceridemia and non-fasting state were compared and the clinical impact of implementing these equations on risk classification and on the setting of lipid treatment goals was assessed.

Methods: Seven thousand six standard lipid profiles and LDL-C concentrations measured after ultracentrifugation (uLDL-C) were retrospectively included.

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Objectives: To evaluate the prevalence of intra-myocardial fatty scars (IMFS) most likely indicating previous silent myocardial infarction (SMI), as detected on coronary artery calcium (CAC) computed tomography (CT) scans in diabetic patients without history of coronary heart disease (CHD).

Methods: Diabetic patients screened for silent coronary insufficiency in a tertiary-care, university hospital between Jan-2015 and Dec-2016 were categorized according to their CAC score in two groups comprising 242 patients with CACS = 0 and 145 patients with CACS ≥ 300. CAC-CT scans were retrospectively evaluated for subendorcardial and transmural IMFS of the left ventricle.

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Background: This study aimed at evaluating the health status and healthcare consumption of ≥16-year-old patients with phenylketonuria (PKU), with a focus on early-diagnosed patients.

Methods: This retrospective observational study used health insurance claims data from the French SNDS (Système National des Données de Santé) database. Patients with PKU were identified between 2006 and 2018 by ICD-10 diagnosis codes E70.

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Background: Autosomal dominant hypercholesterolemia (ADH) is due to deleterious variants in , , or genes. Double heterozygote for these genes induces a more severe phenotype. More recently, a new causative variant of heterozygous ADH was identified in .

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Genetic diagnosis of familial hypercholesterolemia (FH) remains unexplained in 30 to 70% of patients after exclusion of monogenic disease. There is now a growing evidence that a polygenic burden significantly modulates LDL-cholesterol (LDL-c) concentrations. Several LDL-c polygenic risk scores (PRS) have been set up.

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The Abetalipoproteinemia and Related Disorders Foundation was established in 2019 to provide guidance and support for the life-long management of inherited hypocholesterolemia disorders. Our mission is "to improve the lives of individuals and families affected by abetalipoproteinemia and related disorders". This review explains the molecular mechanisms behind the monogenic hypobetalipoproteinemia disorders and details their specific pathophysiology, clinical presentation and management throughout the lifespan.

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Objective: To identify childhood and parental factors associated with initiation of statin therapy in children with heterozygous familial hypercholesterolemia (HeFH), including underlying genetic diagnosis or parental premature atherosclerotic cardiovascular disease (ASCVD).

Study Design: This multicenter cohort study included 245 HeFH child-parent pairs from the REFERCHOL national register (2014-2020). Demographic and clinical characteristics at the last visit were collected.

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Primary hypercholesterolemia is characterized by elevated LDL-cholesterol (LDL-C) levels isolated in autosomal dominant hypercholesterolemia (ADH) or associated with elevated triglyceride levels in familial combined hyperlipidemia (FCHL). Rare variants are known in ADH and FCHL. We explored the molecular spectrum in a French ADH/FCHL cohort of 5743 unrelated probands.

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Article Synopsis
  • Autosomal Dominant Hypercholesterolemia (ADH) is a genetic condition linked to mutations in specific genes, and the study focused on identifying new candidate genes in a French family with varying ADH risk.
  • Researchers used advanced genetic techniques to find multiple mutations in known and unknown genes, discovering a set of variants connected with the ADH trait among patients.
  • Despite identifying several genetic variants, the findings indicate that no single variant causes elevated LDL cholesterol; rather, a combination of these variants seems necessary to express the ADH phenotype.
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Lipoprotein(a) is an apolipoprotein B100-containing low-density lipoprotein-like particle that is rich in cholesterol, and is associated with a second major protein, apolipoprotein(a). Apolipoprotein(a) possesses structural similarity to plasminogen but lacks fibrinolytic activity. As a consequence of its composite structure, lipoprotein(a) may: (1) elicit a prothrombotic/antifibrinolytic action favouring clot stability; and (2) enhance atherosclerosis progression via its propensity for retention in the arterial intima, with deposition of its cholesterol load at sites of plaque formation.

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Objectives: This study aimed at investigating the additional contribution of coronary artery calcium (CAC) score to SAFEHEART (Spanish Familial Hypercholesterolemia Cohort Study) risk equation (SAFEHEART-RE) for cardiovascular risk prediction in heterozygous familial hypercholesterolemia (HeFH).

Background: Common cardiovascular risk equations are imprecise for HeFH. Because of the high phenotype variability of HeFH, CAC score could help to better stratify the risk of atherosclerotic cardiovascular disease (ASCVD).

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Purpose: To describe long-term outcomes of conservative treatment for chronic coccydynia.

Methods: We conducted a 36-month prospective observational study. Adults with chronic coccydynia (> 2 months) were included.

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Article Synopsis
  • The study examined sex differences in severe outcomes of COVID-19 among adults with diabetes, analyzing data from 2,380 hospitalized patients.
  • Findings revealed that females had a lower risk of invasive mechanical ventilation, death, and ICU admission compared to males, although this female advantage was less evident in overall in-hospital mortality.
  • The research highlighted specific predictors of death linked to sex, emphasizing the need for tailored COVID-19 management strategies based on biological differences.
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Aim: Noninvasive assessment of infraclinic coronary atherosclerosis by coronary artery calcium score (CAC) measurement leads to the identification of incidental findings. The aim of this study was to determine the prevalence of incidental findings following systematic CAC assessment in diabetic patients with high cardiovascular risk, to identify the determinants, and to assess the midterm consequences of these findings in patient care.

Methods: 732 consecutive asymptomatic patients (187 type 1 diabetes (TD1), 482 type 2 diabetes (TD2) and 63 type 3 diabetes (TD3)) aged 60.

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Urea cycle disorders (UCD) are rare diseases that usually affect neonates or young children. During decompensations, hyperammonemia is neurotoxic, leading to severe symptoms and even coma and death if not treated rapidly. The aim was to describe a cohort of patients with adult onset of UCDs in a multicentric, retrospective and descriptive study of French adult patients with a diagnosis after 16 years of age of UCDs due to a deficiency in one of the 6 enzymes (arginase, ASL, ASS, CPS1, NAGS, OTC) or the two transporters (ORNT1 or citrin).

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Objective: Primary hypobetalipoproteinemia is characterized by LDL-C (low-density lipoprotein cholesterol) concentrations below the fifth percentile. Primary hypobetalipoproteinemia mostly results from heterozygous mutations in the (apolipoprotein B) and genes, and a polygenic origin is hypothesized in the remaining cases. Hypobetalipoproteinemia patients present an increased risk of nonalcoholic fatty liver disease and steatohepatitis.

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Background And Aims: Proprotein convertase subtilisin/kexin type 9 (PCSK9) plays a crucial role in cholesterol homeostasis. A common variant, the G allele in position c.1420 (c.

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