Publications by authors named "Thierry Lamireau"

Article Synopsis
  • - Malnutrition is a significant issue in cystic fibrosis (CF) that increases health problems, making proper nutritional management crucial for patients.
  • - A study at the University Hospital of Bordeaux analyzed dietary intake from 130 CF patients aged 2-18 years, revealing that only 53% met total energy intake goals, and 28% met protein intake recommendations.
  • - Despite normal vitamin and micronutrient levels in 80% of patients, vitamin K levels were low in 58%, highlighting the ongoing challenges in meeting nutritional targets for effective CF management.
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Background: Nutritional status is a major prognostic factor for breathing and the survival of patients with cystic fibrosis (CF). Since 2012, the development of CFTR modulators has considerably transformed the outcome of this disease. Indeed, both lung function and body mass index are improved by CFTR modulators, such as Lumacaftor/Ivacaftor.

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Childhood overweight and obesity have become a public health issue due to the many associated complications that cause morbidity and a major cost to society. About half of obese children will remain obese as adults, and this risk increases sharply if obesity persists into adolescence. The "first 1000 days" period from conception to two years of age is a pivotal period for long-term metabolic risk.

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Article Synopsis
  • Variants in the PRSS1 and PRSS2 genes are linked to chronic pancreatitis (CP), prompting research into whether a deletion variant affecting two trypsinogen pseudogenes (PRSS3P2 and TRY7) might influence CP risk.
  • A study analyzed this deletion in over 4,000 participants from different countries and found that it is associated with a protective effect against CP, especially in French, German, and Japanese populations.
  • The research suggests that the deletion enhances the function of remaining genes, leading to regulated PRSS2 expression, which could be crucial in understanding CP susceptibility.
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Objective: Despite recent progress in caring for patients born with esophageal atresia (EA), undernutrition and stunting remain common. Our study objective was to assess nutritional status in the first year after birth with EA and to identify factors associated with growth failure.

Study Design: We conducted a population-based study of all infants born in France with EA between 2010 and 2016.

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Although central venous catheter (CVC)-related thrombosis (CRT) is a severe complication of home parenteral nutrition (HPN), the amount and quality of data in the diagnosis and management of CRT remain low. We aimed to describe current practices regarding CVC management in French adult and pediatric HPN centers, with a focus on CVC obstruction and CRT. Current practices regarding CVC management in patients on HPN were collected by an online-based cross-sectional survey sent to expert physicians of French HPN centers.

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Background: Cholestasis is a frequent and severe condition during childhood. Genetic cholestatic diseases represent up to 25% of pediatric cholestasis. Molecular analysis by targeted-capture next generation sequencing (NGS) has recently emerged as an efficient diagnostic tool.

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The quality of life (QOL) of patients with celiac disease (CD) can be altered by both symptoms of the disease and by the restrictions of the gluten-free diet (GFD). The objective was to determine the factors associated with better QOL in a large cohort of CD patients. A link to an online survey was sent to the members of the French Association of Gluten Intolerant People (AFDIAG).

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Article Synopsis
  • The study investigates TRPV6 as a gene linked to chronic pancreatitis (CP) and finds it associated with calcium (Ca) dysregulation.
  • Researchers analyzed TRPV6 in various CP patient groups, identifying 25 rare TRPV6 variants, with 18 being newly reported.
  • The analysis indicates that functionally deficient TRPV6 variants are more common in hereditary and familial CP, often co-occurring with other known risk genes, and highlight their significant role in the disease.
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Background And Objectives: Respiratory diseases are common in children with esophageal atresia (EA), leading to increased morbidity and mortality in the first year. The primary study objective was to identify the factors associated with readmissions for respiratory causes in the first year in EA children.

Methods: A population-based study.

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Background/aim: The spectrum of ATP7B variants varies significantly according to geographic distribution, and there is insufficient data on the variants observed in the French population.

Methods: Clinical data of 113 children included in the French WD national registry were gathered from March 01, 1995 to July 01, 2020. Data included epidemiological, clinical, laboratory, genetics.

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Article Synopsis
  • * In a group of 102 patients, 22% were found to have at least one Functional Gastrointestinal Disorder, with 17 patients specifically meeting criteria for IBD-FAPD; gender and age data showed a predominance of boys and an average age of 15 years.
  • * It was discovered that patients with IBD-FAPD experienced more fatigue and reported a lower quality of life compared to those without FAPD, while their parents showed higher anxiety levels; notably, the severity
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Objectives: To describe a cohort of Wilson disease (WD) pediatric cases, and to point out the diagnostic particularities of this age group and the long-term outcome.

Methods: Clinical data of 182 pediatric patients included in the French WD national registry from 01/03/1995 to 01/06/2019 were gathered.

Results: Diagnosis of WD was made at a mean age of 10.

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Article Synopsis
  • The study investigates the reliability of two noninvasive liver fibrosis assessments, transient elastography (TE) and point shear-wave elastography using virtual touch quantification (pSWE VTQ), specifically in children with cystic fibrosis (CF).
  • Involvement of 56 children with CF allowed for an analysis of repeatability and reproducibility, showing high intraobserver and interobserver agreement for TE and moderate agreement for pSWE VTQ.
  • The findings affirm that both TE and pSWE VTQ are dependable methods for evaluating liver fibrosis in children with CF, suggesting they can be used for patient follow-up based on availability in CF care centers.
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Objective: To identify the risk factors for early mortality and morbidity in a population with distal esophageal atresia (EA)-tracheoesophageal fistula.

Study Design: Cohort study from a national register. Main outcomes and measures included early mortality, hospital length of stay (LoS), need for nutritional support at 1 year of age as a proxy measure of morbidity, and complications during the first year of life.

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In cystic fibrosis (CF), cystic fibrosis transmembrane regulator (CFTR) dysfunction leads to digestive disorders that promote intestinal inflammation and dysbiosis enhancing gastrointestinal symptoms. In pancreatic insufficiency CF patients, both intestinal inflammation and dysbiosis, are associated with an increase in the fecal calprotectin (FC) level. However, associations between the FC level, gastrointestinal symptoms, and quality of life (QoL) remain poorly studied.

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Objectives: Crohn disease (CD) can affect patient's quality of life (QOL) with physical, social, and psychological impacts. This study aimed to investigate the QOL of children with CD and its relationship with patient and disease characteristics.

Methods: Children ages from 10 to 17 years with diagnosed CD for more than 6 months were eligible to this cross-sectional study conducted in 35 French pediatric centers.

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A chronic intestinal inflammation may occur in patients with cystic fibrosis (CF), while no therapeutic management is proposed. Although Lumacaftor/Ivacaftor is well-known to modulate the defective cystic fibrosis transmembrane conductance regulator (CFTR) protein in lungs, no data are available on the impact of this treatment on CF intestinal disorders. We, therefore, investigated the evolution of intestinal inflammation after initiation of Lumacaftor/Ivacaftor in CF adolescents (median of follow-up: 336 days [IQR: 278;435]).

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Objective: This multicentric study aimed to evaluate the quality of life (QOL) in children with Hirschsprung's disease (HD).

Methods: HD patients aged from 6 to 18 years and followed-up in 2 French pediatric surgery centers were included in this study. QOL was assessed using the HAQL questionnaires according to age (6-11 and 12-18), filled by patients and their parents (proxy reports) and correlated with initial disease characteristics, nutritional status, and functional score of Krickenbeck.

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Objectives: This study analyses the prognosis of biliary atresia (BA) in France since 1986, when both Kasai operation (KOp) and liver transplantation (LT) became widely available.

Methods: The charts of all patients diagnosed with BA born between 1986 and 2015 and living in France were reviewed.

Results: A total of 1428 patients were included; 1340 (94%) underwent KOp.

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Advanced glycation end products (AGEs) accumulated during long-term hyperglycemia are involved in diabetes complications and can be estimated by skin autofluorescence (sAF). During pregnancy, hyperglycemia exposes women to the risk of having a macrosomic newborn. The aim of this study was to determine whether sAF of women with diabetes during a singleton pregnancy could predict macrosomia in their newborns.

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Cystic fibrosis (CF) is a systemic genetic disease that leads to pulmonary and digestive disorders. In the majority of CF patients, the intestine is the site of chronic inflammation and microbiota disturbances. The link between gut inflammation and microbiota dysbiosis is still poorly understood.

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