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Results: 1 to 4 of 4

Publication Record


Predictors of recurrence in remitted late-life depression.
Deng Y, McQuoid DR, Potter GG, Steffens DC, Albert K, Riddle M, Beyer JL, Taylor WD
(2018) Depress Anxiety 35: 658-667
MeSH Terms: Activities of Daily Living, Age of Onset, Aged, Antidepressive Agents, Brain, Comorbidity, Depressive Disorder, Major, Female, Humans, Longitudinal Studies, Magnetic Resonance Imaging, Male, Middle Aged, Neuropsychological Tests, Prognosis, Proportional Hazards Models, Recurrence, Remission Induction, Sex Factors, Social Support, Stress, Psychological, Suicidal Ideation
Show Abstract · Added March 26, 2019
BACKGROUND - Late-life depression (LLD) is associated with a fragile antidepressant response and high recurrence risk. This study examined what measures predict recurrence in remitted LLD.
METHODS - Individuals of age 60 years or older with a Diagnostic and Statistical Manual - IV (DSM-IV) diagnosis of major depressive disorder were enrolled in the neurocognitive outcomes of depression in the elderly study. Participants received manualized antidepressant treatment and were followed longitudinally for an average of 5 years. Study analyses included participants who remitted. Measures included demographic and clinical measures, medical comorbidity, disability, life stress, social support, and neuropsychological testing. A subset underwent structural magnetic resonance imaging (MRI).
RESULTS - Of 241 remitted elders, approximately over 4 years, 137 (56.8%) experienced recurrence and 104 (43.2%) maintained remission. In the final model, greater recurrence risk was associated with female sex (hazard ratio [HR] = 1.536; confidence interval [CI] = 1.027-2.297), younger age of onset (HR = 0.990; CI = 0.981-0.999), higher perceived stress (HR = 1.121; CI = 1.022-1.229), disability (HR = 1.060; CI = 1.005-1.119), and less support with activities (HR = 0.885; CI = 0.812-0.963). Recurrence risk was also associated with higher Montgomery-Asberg Depression Rating Scale (MADRS) scores prior to censoring (HR = 1.081; CI = 1.033-1.131) and baseline symptoms of suicidal thoughts by MADRS (HR = 1.175; CI = 1.002-1.377) and sadness by Center for Epidemiologic Studies-Depression (HR = 1.302; CI, 1.080-1.569). Sex, age of onset, and suicidal thoughts were no longer associated with recurrence in a model incorporating report of multiple prior episodes (HR = 2.107; CI = 1.252-3.548). Neither neuropsychological test performance nor MRI measures of aging pathology were associated with recurrence.
CONCLUSIONS - Over half of the depressed elders who remitted experienced recurrence, mostly within 2 years. Multiple clinical and environmental measures predict recurrence risk. Work is needed to develop instruments that stratify risk.
© 2018 Wiley Periodicals, Inc.
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MeSH Terms
Widespread white matter but focal gray matter alterations in depressed individuals with thoughts of death.
Taylor WD, Boyd B, McQuoid DR, Kudra K, Saleh A, MacFall JR
(2015) Prog Neuropsychopharmacol Biol Psychiatry 62: 22-8
MeSH Terms: Adult, Brain, Depressive Disorder, Diffusion Tensor Imaging, Female, Gray Matter, Humans, Magnetic Resonance Imaging, Male, Organ Size, Pattern Recognition, Automated, Suicidal Ideation, White Matter
Show Abstract · Added February 4, 2016
BACKGROUND - Past work demonstrates that depressed individuals with suicidal thoughts or behaviors exhibit specific neuroanatomical alterations. This may represent a distinct phenotype characterized by specific findings on neuroimaging, but it is unclear if these findings extend to individuals with milder thoughts of death. We examined this question in outpatients with recurrent Major Depressive Disorder not receiving antidepressant treatment.
METHODS - We examined 165 subjects: 53 depressed without thoughts of death, 21 depressed with thoughts of death, and 91 healthy comparison subjects. Participants completed 3T cranial MRI, including anatomical and diffusion tensor imaging acquisitions. Automated methods measured regional gray matter volumes in addition to cortical thickness. White matter analyses examined diffusion measures within specific fiber tracts and included voxelwise comparisons.
RESULTS - After adjustment for multiple comparisons, the depressed group with thoughts of death did not exhibit differences in regional gray matter volume, but did exhibit reduced cortical thickness in frontoparietal regions and the insula. This depressed group with thoughts of death also exhibited widespread white matter differences in fractional anisotropy and radial diffusivity. These differences were observed primarily in posterior parietal white matter regions and central white matter tracts adjacent to the basal ganglia and thalamus.
CONCLUSIONS - Mild thoughts of death are associated with structural alterations in regions of the salience network, default mode network, and thalamocortical circuits. Further work is needed to understand the pathological basis of these findings.
Published by Elsevier Inc.
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13 MeSH Terms
Gender-specific effects of depression and suicidal ideation in prosocial behaviors.
Cáceda R, Moskovciak T, Prendes-Alvarez S, Wojas J, Engel A, Wilker SH, Gamboa JL, Stowe ZN
(2014) PLoS One 9: e108733
MeSH Terms: Adult, Anxiety, Depression, Female, Games, Experimental, Humans, Male, Middle Aged, Risk Factors, Severity of Illness Index, Sex Characteristics, Sex Factors, Social Behavior, Stress, Psychological, Suicidal Ideation, Young Adult
Show Abstract · Added April 25, 2016
BACKGROUND - Prosocial behaviors are essential to the ability to relate to others. Women typically display greater prosocial behavior than men. The impact of depression on prosocial behaviors and how gender interacts with those effects are not fully understood. We explored the role of gender in the potential effects of depression on prosocial behavior.
METHODS - We examined prosocial behaviors using a modified version of the Trust Game in a clinical population and community controls. Study participants were characterized on the severity of depression and anxiety, presence of suicidal ideation, history of childhood trauma, recent stressful life events, and impulsivity. We correlated behavioral outcomes with gender and clinical variables using analysis of variance and multiple regression analysis.
RESULTS - The 89 participants comprised four study groups: depressed women, depressed men, healthy women and healthy men (n = 16-36). Depressed men exhibited reciprocity more frequently than healthy men. Depression induced an inversion of the gender-specific pattern of self-centered behavior. Suicidal ideation was associated with increased reciprocity behavior in both genders, and enhancement of the effect of depression on gender-specific self-centered behavior.
CONCLUSIONS - Depression, particularly suicidal ideation, is associated with reversal of gender-specific patterns of prosocial behavior, suggesting abnormalities in sexual hormones regulation. This explanation is supported by known abnormalities in the hypothalamus-pituitary-adrenal and hypothalamus-pituitary-gonadal axes found in depression.
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16 MeSH Terms
Identifying suicidal behavior among adolescents using administrative claims data.
Callahan ST, Fuchs DC, Shelton RC, Balmer LS, Dudley JA, Gideon PS, Deranieri MM, Stratton SM, Williams CL, Ray WA, Cooper WO
(2013) Pharmacoepidemiol Drug Saf 22: 769-75
MeSH Terms: Adolescent, Adolescent Behavior, Age Factors, Algorithms, Antidepressive Agents, Child, Data Mining, Databases, Factual, Drug Prescriptions, Drug Utilization Review, Female, Hospitalization, Humans, Length of Stay, Male, Medicaid, Pharmacoepidemiology, Pharmacovigilance, Retrospective Studies, Risk Factors, Suicidal Ideation, Suicide, Attempted, Time Factors, United States
Show Abstract · Added March 7, 2014
PURPOSE - To assess the safety of psychotropic medication use in children and adolescents, it is critical to be able to identify suicidal behaviors from medical claims data and distinguish them from other injuries. The purpose of this study was to develop an algorithm using administrative claims data to identify medically treated suicidal behavior in a cohort of children and adolescents.
METHODS - The cohort included 80,183 youth (6-18 years) enrolled in Tennessee's Medicaid program from 1995-2006 who were prescribed antidepressants. Potential episodes of suicidal behavior were identified using external cause-of-injury codes (E-codes) and ICD-9-CM codes corresponding to the potential mechanisms of or injuries resulting from suicidal behavior. For each identified episode, medical records were reviewed to determine if the injury was self-inflicted and if intent to die was explicitly stated or could be inferred.
RESULTS - Medical records were reviewed for 2676 episodes of potential self-harm identified through claims data. Among 1162 episodes that were classified as suicidal behavior, 1117 (96%) had a claim for suicide and self-inflicted injury, poisoning by drugs, or both. The positive predictive value of code groups to predict suicidal behavior ranged from 0-88% and improved when there was a concomitant hospitalization but with the limitation of excluding some episodes of confirmed suicidal behavior.
CONCLUSIONS - Nearly all episodes of confirmed suicidal behavior in this cohort of youth included an ICD-9-CM code for suicide or poisoning by drugs. An algorithm combining these ICD-9-CM codes and hospital stay greatly improved the positive predictive value for identifying medically treated suicidal behavior.
Copyright © 2013 John Wiley & Sons, Ltd.
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24 MeSH Terms