TY - JOUR
T1 - Dysthymia in male adolescents is associated with increased risk of later hospitalization for psychotic disorders
T2 - A historical-prospective cohort study
AU - Weiser, Mark
AU - Lubin, Gad
AU - Caspi, Asaf
AU - Rabinowitz, Jonathan
AU - Shmushkevitz, Mordechai
AU - Yoffe, Rinat
AU - Werbeloff, Nomi
AU - Halperin, Demian
AU - Davidson, Michael
PY - 2008/5
Y1 - 2008/5
N2 - Aim: Retrospective studies indicate that patients with psychotic disorders and schizophrenia often suffer from depressive symptoms before the onset of psychosis. In a historical-prospective design, we studied the association between dysthymia in adolescence and later hospitalization for psychotic disorders and schizophrenia. Methods: The Israeli Draft Board screens the entire, unselected population of 16-17 years old male adolescents for psychiatric disorders. These adolescents were followed for hospitalization for psychotic disorders and schizophrenia using the Israeli National Psychiatric Hospitalization Case Registry. Of 275705 male adolescents screened, 1267 (0.5%) were hospitalized for psychotic disorders (International Classification of Diseases [ICD]-10 20.0-29.9), and 757 (0.3%) were hospitalized for schizophrenia (ICD-10 20.0-20.9) over the next 1-10years. Results: Of 275705 male adolescents screened, 513 (0.2%) were diagnosed as suffering from dysthymia by the Draft Board. Of these adolescents, 10/ 513 (2.0%) were later hospitalized for psychotic disorders (including schizophrenia, HR = 3.967, 95%CI (confidence intervals): 2.129-7.390), and 4/513 (0.8%) were later hospitalized for schizophrenia (HR = 2.664, 95%CI: 0.997-7.116). Conclusions: In this population-based cohort of male adolescents, dysthymia was associated with increased risk for future psychotic disorders. Dysthymia in some adolescents might be a prodromal symptom, while in others it might be a risk factor for later psychosis. Clinicians assessing dysthymic adolescents should be aware that these symptoms might be part of the prodrome.
AB - Aim: Retrospective studies indicate that patients with psychotic disorders and schizophrenia often suffer from depressive symptoms before the onset of psychosis. In a historical-prospective design, we studied the association between dysthymia in adolescence and later hospitalization for psychotic disorders and schizophrenia. Methods: The Israeli Draft Board screens the entire, unselected population of 16-17 years old male adolescents for psychiatric disorders. These adolescents were followed for hospitalization for psychotic disorders and schizophrenia using the Israeli National Psychiatric Hospitalization Case Registry. Of 275705 male adolescents screened, 1267 (0.5%) were hospitalized for psychotic disorders (International Classification of Diseases [ICD]-10 20.0-29.9), and 757 (0.3%) were hospitalized for schizophrenia (ICD-10 20.0-20.9) over the next 1-10years. Results: Of 275705 male adolescents screened, 513 (0.2%) were diagnosed as suffering from dysthymia by the Draft Board. Of these adolescents, 10/ 513 (2.0%) were later hospitalized for psychotic disorders (including schizophrenia, HR = 3.967, 95%CI (confidence intervals): 2.129-7.390), and 4/513 (0.8%) were later hospitalized for schizophrenia (HR = 2.664, 95%CI: 0.997-7.116). Conclusions: In this population-based cohort of male adolescents, dysthymia was associated with increased risk for future psychotic disorders. Dysthymia in some adolescents might be a prodromal symptom, while in others it might be a risk factor for later psychosis. Clinicians assessing dysthymic adolescents should be aware that these symptoms might be part of the prodrome.
KW - Dysthymia
KW - Longitudinal
KW - Psychotic disorders
KW - Risk
KW - Schizophrenia
UR - http://www.scopus.com/inward/record.url?scp=65249086845&partnerID=8YFLogxK
U2 - 10.1111/j.1751-7893.2008.00060.x
DO - 10.1111/j.1751-7893.2008.00060.x
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C2 - 21352135
AN - SCOPUS:65249086845
SN - 1751-7885
VL - 2
SP - 67
EP - 72
JO - Early Intervention in Psychiatry
JF - Early Intervention in Psychiatry
IS - 2
ER -