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Phenotype Development in Adolescents With Tourette Syndrome: A Large Clinical Longitudinal Study

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@article{761a1781cb0548dbb1913370ae6075f8,
title = "Phenotype Development in Adolescents With Tourette Syndrome: A Large Clinical Longitudinal Study",
abstract = "Tourette syndrome (TS) is a neurodevelopmental disorder characterized by frequent comorbidities and a wide spectrum of phenotype presentations. This study aimed to describe the development of phenotypes in TS and tic-related impairment in a large longitudinal study of 226 children and adolescents followed up after 6 years. The participants were clinically examined to assess tic severity and impairment, obsessive compulsive disorder (OCD), and attention-deficit/hyperactivity disorder (ADHD). The development in phenotypes changed toward less comorbidity with 40% TS-only (no OCD or ADHD) (TS without OCD or ADHD) at baseline and 55% at follow-up.Tic-related impairment was expected to improve with an age-related tic decline, but surprisingly the impairment score did not reflect the tic decline. Sex, vocal and motor tics, and OCD and ADHD severity were highly significantly correlated to the impairment score. Knowledge of TS phenotype development is used in clinical settings to guide patients and for genetic, etiological, and clinical research purposes.",
keywords = "Journal Article",
author = "Camilla Groth and Debes, {Nanette Mol} and Liselotte Skov",
year = "2017",
month = nov,
doi = "10.1177/0883073817729917",
language = "English",
volume = "32",
pages = "1047--1057",
journal = "Journal of Child Neurology",
issn = "0883-0738",
publisher = "Sage Science Press (US)",
number = "13",

}

RIS

TY - JOUR

T1 - Phenotype Development in Adolescents With Tourette Syndrome

T2 - A Large Clinical Longitudinal Study

AU - Groth, Camilla

AU - Debes, Nanette Mol

AU - Skov, Liselotte

PY - 2017/11

Y1 - 2017/11

N2 - Tourette syndrome (TS) is a neurodevelopmental disorder characterized by frequent comorbidities and a wide spectrum of phenotype presentations. This study aimed to describe the development of phenotypes in TS and tic-related impairment in a large longitudinal study of 226 children and adolescents followed up after 6 years. The participants were clinically examined to assess tic severity and impairment, obsessive compulsive disorder (OCD), and attention-deficit/hyperactivity disorder (ADHD). The development in phenotypes changed toward less comorbidity with 40% TS-only (no OCD or ADHD) (TS without OCD or ADHD) at baseline and 55% at follow-up.Tic-related impairment was expected to improve with an age-related tic decline, but surprisingly the impairment score did not reflect the tic decline. Sex, vocal and motor tics, and OCD and ADHD severity were highly significantly correlated to the impairment score. Knowledge of TS phenotype development is used in clinical settings to guide patients and for genetic, etiological, and clinical research purposes.

AB - Tourette syndrome (TS) is a neurodevelopmental disorder characterized by frequent comorbidities and a wide spectrum of phenotype presentations. This study aimed to describe the development of phenotypes in TS and tic-related impairment in a large longitudinal study of 226 children and adolescents followed up after 6 years. The participants were clinically examined to assess tic severity and impairment, obsessive compulsive disorder (OCD), and attention-deficit/hyperactivity disorder (ADHD). The development in phenotypes changed toward less comorbidity with 40% TS-only (no OCD or ADHD) (TS without OCD or ADHD) at baseline and 55% at follow-up.Tic-related impairment was expected to improve with an age-related tic decline, but surprisingly the impairment score did not reflect the tic decline. Sex, vocal and motor tics, and OCD and ADHD severity were highly significantly correlated to the impairment score. Knowledge of TS phenotype development is used in clinical settings to guide patients and for genetic, etiological, and clinical research purposes.

KW - Journal Article

U2 - 10.1177/0883073817729917

DO - 10.1177/0883073817729917

M3 - Journal article

C2 - 29046136

VL - 32

SP - 1047

EP - 1057

JO - Journal of Child Neurology

JF - Journal of Child Neurology

SN - 0883-0738

IS - 13

ER -

ID: 52673859