Publications by authors named "Veronique Beauloye"

Introduction: Prader-Willi syndrome (PWS) is characterized by a switch from failure to thrive to excessive weight gain and hyperphagia in early childhood. An elevated, more unfavorable ratio between acylated and unacylated ghrelin (AG/UAG ratio) might play a role in the underlying mechanisms of this switch. We aimed to assess the evolution of the appetite-regulating hormones acylated ghrelin (AG) and unacylated ghrelin (UAG) and the AG/UAG ratio and their association with the change in eating behavior in children with PWS, compared to healthy age-matched controls.

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Objectives: To improve adult height in pubertal girls with a poor height prediction, treatment with growth hormone (GH) can be used in combination with a gonadotropin releasing hormone agonist (GnRHa), to delay closure of the growth plates. However, there are few studies to support this practice, and they show conflicting results. The objective of this trial is to assess the safety and efficacy of this combination treatment in early pubertal girls with a short predicted height, in comparison with matched controls.

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An ENDO-European Reference Network (ERN) initiative was launched that was endorsed by the European Society for Pediatric Endocrinology and the European Society for Endocrinology with 22 participants from the ENDO-ERN and the two societies. The aim was to update the practice guidelines for the diagnosis and management of congenital hypothyroidism (CH). A systematic literature search was conducted to identify key articles on neonatal screening, diagnosis, and management of primary and central CH.

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Several criteria for first-year growth response (FYGR) to growth hormone (GH) treatment have been proposed. We explored which FYGR criteria predicted best the final height outcome after GH treatment in prepubertal children with GH deficiency (GHD). Height data of 129 GHD children (83 boys) who attained adult height and had been treated with GH for at least 4 consecutive years with at least 1 year before pubertal onset, were retrieved from the Belgian GH Registry.

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Subsequent to the discovery of ghrelin as the endogenous ligand of growth hormone secretagogue receptor 1a, this unique gut peptide has been found to exert numerous physiological effects, such as appetite stimulation and lipid accumulation via the central regulating mechanisms in the hypothalamus, stimulation of gastric motility, regulation of glucose metabolism and brown fat thermogenesis, and modulation of stress, anxiety, taste sensation, reward-seeking behaviour and the sleep/wake cycle. Prader-Willi syndrome (PWS) has been described as a unique pathological state characterised by severe obesity and high circulating levels of ghrelin. It was hypothesised that hyperghrelinaemia would explain at least a part of the feeding behaviour and body composition of PWS patients, who are characterised by hyperphagia, an obsession with food and food-seeking, and increased adiposity.

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Cushing syndrome (CS) is a rare disease in children, frequently associated with subtle or periodic symptoms that may delay its diagnosis. Weight gain and growth failure, the hallmarks of hypercortisolism in pediatrics, may be inconsistent, especially in ACTH-independent forms of CS. Primary pigmented nodular adrenocortical disease (PPNAD) is the rarest form of ACTH-independent CS, and can be associated with endocrine and nonendocrine tumors, forming the Carney complex (CNC).

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Our aim was to analyze a cohort of patients with childhood-onset growth hormone deficiency (GHD) to evaluate if there is some correlation between the response to GH treatment during childhood and adulthood, respectively. This was an observational retrospective monocentric cohort study of 47 patients treated with GH during childhood and adulthood. Changes in growth parameters during childhood were compared with the increase of IGF-I z-score and other indexes of GH response (body composition, lipid profile) after 1 year of treatment in adulthood.

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Background: The aim of our study was to determine the influence of routine ketone monitoring on hyperglycemic events (HE) and ketosis in youngsters with type 1 diabetes (T1D).

Methods: Our single-site, controlled and randomized study was conducted on children and adolescents with T1D outside of remission phase. During two crossover periods of 6 months, patients ( = 22) experiencing HE tested ketones alternatively with a blood ketone meter or urine ketone test strips and gave their opinion on screening methods after completion of clinical trial.

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Background: Prader-Willi syndrome (PWS) is a rare genetic neurodevelopmental disorder with different nutritional phases from suckling deficit with failure to thrive to early onset of obesity. Hyperghrelinemia has been described in PWS long before the development of obesity. Ghrelin is found in both acylated (AG) and unacylated (UAG) forms in the circulation.

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X-linked acrogigantism (X-LAG) syndrome is a newly described form of inheritable pituitary gigantism that begins in early childhood and is usually associated with markedly elevated GH and prolactin secretion by mixed pituitary adenomas/hyperplasia. Microduplications on chromosome Xq26.3 including the GPR101 gene cause X-LAG syndrome.

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Background: Children with Prader-Willi Syndrome (PWS) have been considered at risk for central adrenal insufficiency (CAI). Hypothalamic dysregulation has been proposed as a common mechanism underlying both stress-induced CAI and central respiratory dysfunction during sleep.

Objective: To evaluate CAI and sleep-related breathing disorders in PWS children.

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To evaluate the characteristics and determinants of partial remission (PR) in Belgian children with type 1 diabetes (T1D), we analyzed records of 242 children from our center. Clinical and biological features were collected at diagnosis and during follow-up. PR was defined using the insulin-dose-adjusted A1C definition.

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Background: Cushing's syndrome (CS) is uncommon in childhood and adolescence. Variable presentation with subtle symptoms and signs can make diagnosis difficult.

Case Report: We report the case of a 17-year-old girl referred for acne and progressive weight gain with an adrenocorticotropic hormone-independent CS.

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Interstitial duplications of the short arm of chromosome 2 have been rarely described. Here, we report on two unrelated patients with overlapping chromosome 2p16 → p22 de novo microduplications found by SNP-array analysis. The affected individuals were an 8-year-3-month-old boy with a direct duplication of approximately 14.

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Introduction: An increased prevalence of metabolic disorders and cardiovascular (CV) disease has been reported in childhood acute lymphoblastic leukaemia (ALL)/non-Hodgkin lymphoma (NHL) cancer survivors.

Objective: To characterize the determinants of insulin resistance (IR) observed in this population, according to the treatment received.

Methods: Ninety one patients (45 men, mean age: 24 ± 5 years; mean follow-up: 15 ± 5 years) previously treated for a childhood ALL (n = 76) or NHL (n = 15) were grouped according to their previous treatment: chemotherapy only (Group I; n = 43), chemotherapy + cranial irradiation (CI) (Group II; n = 32) and chemotherapy + bone marrow transplant (BMT)/total body irradiation (TBI) (Group III, n = 16).

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Background: Little is known regarding long-term bone deficit in relationship with the modalities of cancer therapy among survivors of childhood malignancy.

Methods: Bone mineral density (BMD) was evaluated at lumbar spine (LS), total hip and femoral neck in 89 patients (44 men) more than 5 years after remission of childhood acute lymphoblastic leukemia (ALL) or non-Hodgkin lymphoma (NHL). The patients had received chemotherapy (group I; n = 41), chemotherapy and cranial irradiation (group II; n = 32), or bone marrow transplantation (BMT) with total body irradiation (TBI) (group III; n = 16).

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A 15-year-old girl with adenomatous polyposis coli gene (APC) mutation and brain tumor-polyposis syndrome developed an unusual succession of cervicocephalic tumors (medulloblastoma, meningeal low-grade myxoid tumor, and papillary thyroid carcinoma), at the age of 5, 9, and 15 years, respectively. We discuss the genetic profile of the thyroid tumor in which a large somatic deletion of APC gene was found and the physiopathology of thyroid carcinoma in patients with germline APC mutation. We also point out the uncommon phenotype in this young girl with early multiple neoplasias and the difficulties of management of such familial adenomatous polyposis patients with occurrence of extracolonic cancers that require the use of potential trigger agents as radiotherapy or chemotherapy.

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Context: Obesity in childhood is associated with an increased mortality due to cardiovascular (CV) diseases in adulthood, independent of adult weight. Recent studies in children indicate that the atherosclerosis process starts at an early age and is linked to obesity.

Objective: The aim of the study was to investigate determinants of increased carotid intima-media thickness (IMT), an early marker of atherosclerosis, in obese children.

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A 9-year-old female with ataxia-telangiectasia (AT) presenting with papillary thyroid carcinoma and lymph nodes involvement is reported. We discuss this novel association, the general risk of neoplasic complications in these patients, the natural history of thyroid carcinoma in the pediatric population and the potential link between thyroid carcinogenesis and ataxia-telangiectasia mutated gene (ATM) mutation. We also expose our therapeutic attitude, according to both clinical status and particular genetic background of our patient.

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