2017
Mortality risk in a nationwide cohort of individuals with tic disorders and with tourette syndrome
Meier SM, Dalsgaard S, Mortensen PB, Leckman JF, Plessen KJ. Mortality risk in a nationwide cohort of individuals with tic disorders and with tourette syndrome. Movement Disorders 2017, 32: 605-609. PMID: 28339122, DOI: 10.1002/mds.26939.Peer-Reviewed Original ResearchConceptsTic disordersTourette syndromePremature deathMortality riskProspective cohort studyMortality rate ratiosComorbid attention-deficit/hyperactivity disorderAttention-deficit/hyperactivity disorderExclusion of individualsCohort studyObsessive-compulsive disorderClinical significancePsychiatric disordersPaternal ageSubstance abuseSyndromeHyperactivity disorderDisordersRate ratioDeathRiskCalendar yearAgeIndividualsClinicians
2015
Effect of drugs on the risk of injuries in children with attention deficit hyperactivity disorder: a prospective cohort study
Dalsgaard S, Leckman JF, Mortensen PB, Nielsen HS, Simonsen M. Effect of drugs on the risk of injuries in children with attention deficit hyperactivity disorder: a prospective cohort study. The Lancet Psychiatry 2015, 2: 702-709. PMID: 26249301, DOI: 10.1016/s2215-0366(15)00271-0.Peer-Reviewed Original ResearchConceptsAge 10 yearsAttention deficit hyperactivity disorderAge 12 yearsRisk of injuryPrevalence of injuriesCommon causeDeficit hyperactivity disorderPharmacological treatmentEmergency wardOdds ratioADHD drugsMajor public health importanceEmergency ward visitsHyperactivity disorderProspective cohort studyDanish national registersNon-treated childrenLarge disease burdenPublic health importanceEffects of drugsCohort studyWard visitsUntreated childrenAdjusted differenceDisease burdenMaternal History of Autoimmune Disease and Later Development of Tourette Syndrome in Offspring
Dalsgaard S, Waltoft BL, Leckman JF, Mortensen PB. Maternal History of Autoimmune Disease and Later Development of Tourette Syndrome in Offspring. Journal Of The American Academy Of Child & Adolescent Psychiatry 2015, 54: 495-501.e1. PMID: 26004665, DOI: 10.1016/j.jaac.2015.03.008.Peer-Reviewed Original ResearchConceptsAdjusted incidence rate ratioIncidence rate ratiosMaternal autoimmune diseaseRisk of TSAutoimmune diseasesTourette syndromeMaternal historyNational Danish health registersNationwide prospective cohort studyDanish health registersPrior autoimmune diseaseProspective cohort studyParental psychiatric diagnosisDiagnosis of TSCohort studyHealth registersPerson yearsPrior diagnosisNeuroimmunological disordersIncidence rateTS diagnosisPsychiatric diagnosisPossible associationPoisson regressionPaternal age
2014
Cardiovascular Safety of Stimulants in Children with Attention-Deficit/Hyperactivity Disorder: A Nationwide Prospective Cohort Study
Dalsgaard S, Kvist AP, Leckman JF, Nielsen HS, Simonsen M. Cardiovascular Safety of Stimulants in Children with Attention-Deficit/Hyperactivity Disorder: A Nationwide Prospective Cohort Study. Journal Of Child And Adolescent Psychopharmacology 2014, 24: 302-310. PMID: 24956171, PMCID: PMC4137345, DOI: 10.1089/cap.2014.0020.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderProspective cohort studyCardiovascular eventsCohort studyDose-response relationshipStimulant treatmentCardiovascular safetyHazard ratioRisk factorsFirst nationwide cohort studyNationwide prospective cohort studyPossible dose-response relationshipUnique personal identification numberCardiovascular adverse eventsCardiovascular risk factorsHyperactivity disorderNationwide cohort studyNational health registersStimulant usersPopulation-based sampleAdverse eventsHealth registersProspective followCox regressionPotential confounders
2006
Adulthood Outcome of Tic and Obsessive-Compulsive Symptom Severity in Children With Tourette Syndrome
Bloch MH, Peterson BS, Scahill L, Otka J, Katsovich L, Zhang H, Leckman JF. Adulthood Outcome of Tic and Obsessive-Compulsive Symptom Severity in Children With Tourette Syndrome. JAMA Pediatrics 2006, 160: 65-69. PMID: 16389213, PMCID: PMC2291298, DOI: 10.1001/archpedi.160.1.65.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdrenergic alpha-AgonistsAdultAntipsychotic AgentsAttention Deficit Disorder with HyperactivityBipolar DisorderChildDepressive DisorderFemaleFollow-Up StudiesHumansIntelligence TestsMaleObsessive-Compulsive DisorderProspective StudiesSchizophreniaSelective Serotonin Reuptake InhibitorsSeverity of Illness IndexTic DisordersTourette SyndromeConceptsTic symptomsTourette syndromeTic severitySymptom severityObsessive-compulsive disorderBaseline clinical measurementsChildhood-onset neuropsychiatric disorderOCD symptomsPercent of patientsProspective cohort studyPercent of subjectsOutpatient specialty clinicsThird of childrenThird of adultsAge 14 yearsStructured clinical evaluationCohort studyClinical courseComplete resolutionClinical evaluationPhonic ticsSpecialty clinicFollow-up interviewObsessive-compulsive symptom severityAverage age