Noonan Syndrome Growth Charts and Genotypes: 15-Year Longitudinal Single-Centre Study.

IF 2.6 3区 医学 Q3 ENDOCRINOLOGY & METABOLISM
Marco Cappa, Francesco d'Aniello, Maria Cristina Digilio, Maria Giulia Gagliardi, Chiara Minotti, Pier Paolo Leoncini, Alberto Pietropoli, Antonio Nicolucci, Giusi Graziano, Graziamaria Ubertini
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Abstract

Introduction: Growth patterns in Noonan syndrome (NS) remain relatively unknown. The objective of this study was to provide growth reference curves for patients with NS and identify correlations between their growth, genotype, and clinical features.

Methods: This was a 15-year-long, monocentric, observational, retrospective, non-interventional study. Children with NS followed up between 2005 and 2022 at "Bambino Gesù" Children's Hospital, Italy, were included and excluded if they had received growth hormone treatment. Comparison of growth curves of participants with NS versus the general Italian population and further genotypic analyses were performed.

Results: Overall, 190 eligible participants with NS were identified, with median (interquartile range) age of 14.01 (9.05-19.25) years (55.8% male). Cardiovascular anomalies were present in 85.3% of participants, most commonly pulmonary stenosis (52.6%) and atrial septal defects (36.8%); 48.1% of male participants had cryptorchidism. The most frequently detected mutations were in PTPN11 (66.3%) and SOS1 (13.9%). NS sex-specific centile curves for height, weight, body mass index, and height velocity were produced. For both sexes, the 50th percentile of height and weight for participants with NS overlapped with the 3rd percentile for the general Italian population. Both sexes with a PTPN11 mutation had a significantly lower height and weight than those with "other mutations" at 5 years old. No significant associations were observed between cardiac anomalies and PTPN11 mutation status.

Conclusion: We present longitudinal data describing growth curves and trends, the natural history, and genotypes of the NS population, which provide a useful tool for clinicians in the management of NS.

努南综合征生长图表和基因型:15 年纵向单中心研究。
导言:努南综合征(NS)的生长模式仍相对未知。本研究的目的是为NS患者提供生长参考曲线,并确定其生长、基因型和临床特征之间的相关性:这是一项长达 15 年的单中心、观察性、回顾性、非干预性研究。研究对象包括2005年至2022年期间在意大利班比诺-格苏(Bambino Gesù)儿童医院接受随访的NS患儿。研究人员比较了NS患者与意大利普通人群的生长曲线,并进一步进行了基因型分析:总计发现了190名符合条件的NS患者,中位数(四分位数间距)年龄为14.01(9.05-19.25)岁(55.8%为男性)。85.3%的参与者存在心血管异常,最常见的是肺动脉狭窄(52.6%)和房间隔缺损(36.8%);48.1%的男性参与者患有隐睾症。最常检测到的突变是 PTPN11(66.3%)和 SOS1(13.9%)。研究人员绘制了身高、体重、体重指数和身高速度的NS-性别特异性百分位曲线。就男女两性而言,NS 患者身高和体重的第 50 百分位数与意大利总人口的第 3 百分位数相吻合。PTPN11突变的男女患者在5岁时的身高和体重都明显低于 "其他突变 "患者。在心脏畸形和PTPN11突变状态之间没有观察到明显的关联:我们提供的纵向数据描述了NS人群的生长曲线和趋势、自然史和基因型,为临床医生管理NS提供了有用的工具。
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来源期刊
Hormone Research in Paediatrics
Hormone Research in Paediatrics ENDOCRINOLOGY & METABOLISM-PEDIATRICS
CiteScore
4.90
自引率
6.20%
发文量
88
审稿时长
4-8 weeks
期刊介绍: The mission of ''Hormone Research in Paediatrics'' is to improve the care of children with endocrine disorders by promoting basic and clinical knowledge. The journal facilitates the dissemination of information through original papers, mini reviews, clinical guidelines and papers on novel insights from clinical practice. Periodic editorials from outstanding paediatric endocrinologists address the main published novelties by critically reviewing the major strengths and weaknesses of the studies.
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