hrp0095p2-207 | Multisystem Endocrine Disorders | ESPE2022

Bisphenol A (BPA): A Hidden Enemy

Grau Gema , Andrade Fernando , Vela Amaya , López Oceja Raquel , Rica Itxaso

Introduction: Endocrino disruptors (EDs) are substances that interfere with hormonal function. The long list of EDs includes multiple natural compounds and numerous synthetic chemicals such as bisphenol A (BPA). BPA is present in plastics used in common products (Packaging, bottles, toys, digital media, etc). Several studies have shown its ability to alter the regulation of developmentally relevant genes, inhibit the synthesis of sex hormones and induce the pr...

hrp0092p2-254 | Sex Differentiation, Gonads and Gynaecology or Sex Endocrinology | ESPE2019

Paediatric Health Assistance to Transsexual Minor in the Multidisciplinary Care Unit of the Basque Country (Spain)

Rica Itxaso , Grau Gema , Vela Amaia , Rodríguez Amaia , Guadilla M. Luisa

In 2009, the National Health Service of the Basque Country created a Gender Identity Reference Unit (GIU-BC) to cover the health needs of the transsexual population with a multidisciplinary assessment: Psychiatry, psychology, endocrinology, plastic and reconstructive surgery. Pediatric endocrinologists and pediatric psychiatry were included in 2013.Aim: To know the activity of Pediatric Endocrinology in the GIU-BC since 2013.<p class...

hrp0094p2-407 | Sex differentiation, gonads and gynaecology or sex endocrinology | ESPE2021

Is the recommended dual therapy for transsexual boys harmless?

Rica Itxaso , Garcia Marta , Grau Gema , Vela Amaia , Rodríguez Amaia , Luisa Guadilla M.

Objective: To study the impact of dual therapy on BMD and Inhibin B in a group of transsexual male adolescents who initiate treatment with advanced pubertal development.Patients and methodology: Retrospective study of 16 male minors who initiated treatment (Triptorelin and later Testosterone) with complete pubertal development. Variables included: age, weight and height at baseline and at the last visit (calculated in SDS for assigned age and sex), BMD i...

hrp0094p2-203 | Fat, metabolism and obesity | ESPE2021

Anthropometric and clinical situation in two groups of young adults born Small for Gestational Age (a group with catch-up and another without catch-up and treated with Growth Hormone)

Vela Amaya , Gonzalez Maria Regina , Diaz Cristina , Elorza Amaia , Grau Gema , Rodriguez Amaya , Rica Itxaso ,

Introduction: Children with Small for Gestational Age (SGA) are known to have lower neurocognitive development and an increased in cardiovascular risk in adulthood. 10% of SGA don´t usually do the catch-up and if they meet criteria they have indication to follow Growth Hormone (GH) treatment.Objectives: To establish the difference between SGA diagnosed children who did or did not catch-up (treated with GH), in terms...

hrp0097p1-166 | Sex Differentiation, Gonads and Gynaecology, and Sex Endocrinology | ESPE2023

Treatment with triptorelin and estradiol in transgender girls. should we use SDS for assigned sex or SDS for affirmed gender?

Rica Itxaso , Sánchez Amaia , Peña Asier , Grau Gema , Vela Amaia , Luisa Guadilla Maria

Introduction: International guidelines recommend puberty blocking using GnRH analogs and subsequent association with estrogen therapy in transgender girls who require for medical treatment. They have been shown to have a bone mineral density calculated as standard deviation score (BMD-SDS) for their assigned sex lower than the mean at baseline, and there is a potential risk of impairing peak bone mass as treatment result.Objectiv...

hrp0097p2-215 | Adrenals and HPA Axis | ESPE2023

Pseudocushing. an exceptional patology in pediatrics

Vela Amaya , Grau Gema , Bermejo Marta , Miguel Vazquez , Garrido Marta , Rica Itxaso

Introduction: PseudoCushing is an unusual pathology. Among adults several cases have been published, however, in paediatrics it is unusual.Objective: Description of a PseudoCushing case from a patient admitted in a hospital and results from a study to discard secondary hypercortisolism due to stress.Patients and methods: 13 years old patient that it is admitted in hospital due to v...

hrp0097p2-115 | GH and IGFs | ESPE2023

Are there sex differences among patients to whom a growth hormone (GH) test with clonidina stimulus was required during the study of short stature?

Vela Amaya , GarcÍA Maria , Izquierdo Jon , Ugeso Alberto , Grau Gema , Rica Itxaso

Introduction: GH stimulus test is usually performed in pacientes With short stature and/or growth delayed study if GH deficit is suspected. Several articles concluded that male are more frequently diagnosed and treated of GH deficiency than femaleObjectives: To know gender's ratio and the possible anthropometric differences between patients that required a consult for short stature and to whom a stimulus test was pe...

hrp0089p3-p400 | Sex Differentiation, Gonads and Gynaecology or Sex Endocrinology P3 | ESPE2018

Clinical and Molecular Characterization of One Nr5a1 Gene Mutation Found in a Patient WITH 46, XY DSD

Vela Amaya , Lapiscina Idoia Martinez De , Nanclares Gustavo Perez De , Amaia Rodriguez , Rica Itxaso , Castano Luis , Grau Gema

Introduction: Steroidogenic factor-1 (SF1), encoded by the NR5A1 gene, regulates several genes involved in male sexual determination, such as SOX9 and AMH, cholesterol mobilization and synthesis of a number of steroidogenic enzymes, like 3βHSD, and androgen biosynthesis, like INSL3. Mutations in NR5A1 have been associated to a broad phenotypic spectrum in 46, XY subjects, including pure gonadal dysgenesis, infertility, anorchia...

hrp0086p1-p450 | Fat Metabolism and Obesity P1 | ESPE2016

Severe Hypertriglyceridemia in Pediatric Oncology Patient

Grau Gema , Portillo Nancy , Almaraz Ricardo Lopez , Echebarria Aizpea , Adan Rosa , Rodriguez Amaia , Vela Amaia , Astigarraga Itziar , Rica Itxaso

Background: Severe Hypertriglyceridemia (HTG) defined as triglycerides (TG) in blood plasma higher than 1000 mg/dl is a rare condition in childhood. Its causes are classified as primary and secondary and among these last they include pharmacological causes. Steroids associated with some chemotherapy drugs, particularly asparaginase (Asp), are a combination with special risk.Objective and hypotheses: Describe the evolution of lipids profile in LLA patient...

hrp0086p2-p768 | Pituitary and Neuroendocrinology P2 | ESPE2016

10 Years Review of Endocrine Diseases in Spanish Patients Diagnosed with Primary Brain Tumors in a Tertiary Hospital

Portillo Nancy , Gonzalez Usune , Rubio Raquel , Ariza Miguel Garcia , Grau Gema , Vela Amaia , Rodriguez Amaia , Astigarraga Itziar , Rica Itxaso

Background: Pediatric Central Nervous System (CNS) neoplasms are the most frequent solid tumors in children. Since the increase in survival, the patients are in high risk of developing long term sequelae. Endocrinological sequelae may be due to the oncological disease itself but usually derived from the treatment received, and they affect 20–50% of patients long-term. We aimed to review our experience from 2005 to 2015.Objective and hypotheses: Desc...