Quality of life (QoL) may be adversely affected by Tourette syndrome (TS). Although the core symptoms of this complex neurodevelopmental disorder are tics, patients often present with an array of behavioural difficulties, such as co-morbid obsessive compulsive disorder (OCD) or attention deficit hyperactivity disorder (ADHD). In this study we investigated whether young people with TS exhibited poorer QoL in comparison to healthy individuals and an epilepsy control group. We also analysed whether greater tic severity or co-morbid OCD and\or ADHD led to greater differences in perceived QoL. The Youth Quality of Life Instrument-Research Version (Edwards et al. in J Adolesc 25:275-286, 2002) was used to assess QoL and a range of clinical scales were administered to assess anxiety, depression and other behavioural symptoms. TS was associated with significant differences in aspects of QoL related to home and social activities, involving peer and family interactions. Patients with more severe tics reported a greater negative impact on QoL. Patients with TS and no associated diagnoses (pure TS) presented with lower QoL scores in the environment domain, poorer perceived QoL in general, and depressive features. Co-morbid OCD appeared to exert a greater impact on self and relationship QoL domains. The presence of both OCD and ADHD as co-morbidities led to more widespread problems. In conclusion, TS can be associated with poorer perceived QoL. Although social aspects of QoL may be more vulnerable to TS in general, co-morbid conditions make an important contribution in determining which aspects of QoL are most affected in the individual.
Tourette syndrome (TS) is a neurodevelopmental disorder involving tics, which is frequently accompanied by comorbid obsessive compulsive (OCD) or attention deficit hyperactivity disorder (ADHD). Individuals with TS often report poor quality of life (QoL) in comparison with the general population. This study investigated the clinical correlates of QoL in young people with TS using a self-report multidimensional QoL measure, and a range of clinical scales used to assess tic severity and the symptoms of anxiety, depression, OCD, ADHD and other emotional and behavioral symptoms. Symptoms of depression, OCD, and ADHD appeared to have a widespread negative impact on QoL, but poorer QoL was not associated with increased tic severity. Greater emotional and behavioral difficulties, including symptoms of OCD, were among the best predictors of poor QoL in young people with TS.
The pharmacotherapy for tic management in Tourette syndrome (TS) relies on neuroleptics, which have been associated with electrocardiographic abnormalities, including QTc interval prolongation. This study assessed the cardiovascular safety of the newer antipsychotic aripiprazole in comparison with the neuroleptic pimozide among young patients affected by TS. Fifty patients aged 6-18 years were assigned to either pimozide (n = 25; mean daily dose 4.4 mg/die) or aripiprazole (n = 25; 5.3 mg/die) treatment for up to 24 months. All patients underwent five serial cardiovascular assessments (baseline, 6, 12, 18 and 24 months). The group treated with pimozide showed significant changes in blood pressure (decreased), QT and QTc (both prolonged). The aripiprazole group showed changes from baseline to peak values in blood pressure (increased), whilst modifications in QT and QTc were not statistically significant. At equivalent doses, aripiprazole is characterised by a safer cardiovascular profile than pimozide, being associated with a lower frequency of QTc prolongation.
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