Context: Whether offspring of parents with bipolar disorder (BP) are at specifically high risk to develop BP and other psychiatric disorders has not been adequately studied. Objective: To evaluate lifetime prevalence and specificity of psychiatric disorders in offspring of parents with BP-I and BP-II. Design: Offspring aged 6 to 18 years who have parents with BP and community control subjects were interviewed with standardized instruments. All research staff except the statistician were blind to parental diagnoses. Setting: Parents with BP were recruited primarily through advertisement and outpatient clinics. Control parents were ascertained by random-digit dialing and were group matched for age, sex, and neighborhood to parents with BP. Participants: Three hundred eighty-eight offspring of 233 parents with BP and 251 offspring of 143 demographically matched control parents. Main Outcome Measures: Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition) Axis I disorders. Results: Adjusting for demographic factors, living with 1 vs both biological parents, both biological parents' non-BP psychopathology, and within-family correlations, offspring of parents with BP showed high risk for BP spectrum disorders (odds ratio [OR]=13.4; 95% confidence interval [CI], 2.9-61.6) and any mood (OR=5.2; 95% CI, 2.3-11.4), anxiety (OR=2.3; 95% CI, 1.3-4.0), and Axis I (OR=2.2; 95% CI, 1.5-3.3) disorders. Off-spring of parents with BP with high socioeconomic status showed more disruptive behavior disorders and any Axis I disorders than offspring of control parents with high socioeconomic status. Families in which both parents had BP had more offspring with BP than families with only 1 parent with BP (OR=3.6; 95% CI, 1.1-12.2). More than 75.0% of offspring who developed BP had their first mood episode before age 12 years, with most of these episodes meeting criteria for BP not otherwise specified and, to a lesser degree, major depression. Conclusions: Offspring of parents with BP are at high risk for psychiatric disorders and specifically for early-onset BP spectrum disorders. These findings further support the familiality and validity of BP in youth and indicate a need for early identification and treatment.
Objective To identify symptom dimensions of depression that predict recovery among SSRI-treatment resistant adolescents undergoing second-step treatment. Method The Treatment of Resistant Depression in Adolescents (TORDIA) trial included 334 SSRI-treatment resistant youth randomized to a medication switch, or a medication switch plus CBT. This study examined five established symptom dimensions (Child Depression Rating Scale-Revised) at baseline as they predicted recovery over 24 weeks of acute and continuation treatment. The two indices of recovery that were evaluated were time to remission and number of depression-free days. Results Multivariate analyses examining all five depression symptom dimensions simultaneously indicated that Anhedonia was the only dimension to predict a longer time to remission, and also the only dimension to predict fewer depression-free days. In addition, when Anhedonia and CDRS-total score were evaluated simultaneously, Anhedonia continued to uniquely predict longer time to remission and fewer depression-free days. Conclusions Anhedonia may represent an important negative prognostic indicator among treatment resistant depressed adolescents. Further research is needed to elucidate neurobehavioral underpinnings of anhedonia, and to test treatments that target anhedonia in the context of overall treatment of depression.
Context There have been major advances in our understanding of the phenomenology and course of grief in adults. However, little is known about the course of grief in children. Objective We report on course and impact of children’s grief reactions following parental sudden death on subsequent psychiatric and functional status. Design Longitudinal study of bereaved children and families with yearly comprehensive assessments up to three years after parental death. Setting Bereaved children and their surviving parents recruited through the coroners’ records and advertisement. Participants 182 parentally bereaved children between 7 and 18 years of age whose parent died from suicide, accident, or sudden natural deaths. Main Exposure Sudden parental death. Main Outcome Measures Grief, functional impairment, incident depression. Results There were 3 distinct trajectories of grief reactions with a group, consisting of 10.4% of the sample, with increased grief reactions that showed no change 33 months post-death. Youths with prolonged grief reactions had higher rates of previous personal history of depression. Prolonged grief made unique contribution to increased levels of functional impairment even after controlling for clinical characteristics antecedent and following the death. Conversely, prolonged grief, both in youths and the surviving caregiver, predisposed to an increased hazard of incident depression. Another group (30%) showed increased grief reactions 9 months following the death, which gradually decreased over time. Despite this, grief reactions in this group were also associated with functional impairment and increased risk of incident depression. Conclusions Grief reactions abate over time for most children bereaved by sudden parental death; however, a subset show increased or prolonged grief reactions, which in turn increases the risk for functional impairment and depression. Research on interventions designed to relieve the burden of grief in bereaved children are needed. Such efforts should also assess and address grief reactions in the surviving parent.
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