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Objective: : This study aimed (1) to identify distinct subgroups of psychiatric patients referred for a mental health certificate for military service suitability and (2) to determine whether there is a difference in clinical features such as treatment responsiveness and prognosis among certain subgroups. Methods: : We conducted latent profile analysis (LPA) using the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) clinical profiles of the participants. Linear mixed model analysis was performed to examine changes in the severity of clinical symptoms and functional level according to the treatment period of the latent classes derived from the LPA. Results: : The results indicated that the best-fitting model was a three-class model, comprising Class 1 (mild maladjustment), Class 2 (neurotic depression and anxiety), and Class 3 (highly vulnerable and hypervigilant). We demonstrated that the three subgroups displayed different characteristics in treatment responsiveness and clinical course based on their Clinical Global Impression-Severity and Global Assessment of Functioning scores over a treatment period of 6 months. While subjects in Classes 1 and 2 significantly improved over 6 months, those in Class 3 showed little or no improvement in our clinical parameters. Conclusion: : This study has yielded data with clinical implications for treatment planning and interventions for each subgroup classified that were based on MMPI-2 clinical profiles of military recruits who might be maladjusted to serve.
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Objective: Anxious depression is associated with greater chronicity, higher severity of symptoms, more severe functional impairment, and poor response to drug treatment. However, evidence for first-choice antidepressants in patients with anxious depression is limited. This study aimed to compare the efficacy and safety of escitalopram, desvenlafaxine, and vortioxetine in the acute treatment of anxious depression. Methods: Patients (n = 124) with major depressive disorder and high levels of anxiety were randomly assigned to an escitalopram treatment group (n = 42), desvenlafaxine treatment group (n = 40), or vortioxetine treatment group (n = 42) in a 6-week randomized rater-blinded head-to-head comparative trial. Changes in overall depressive and anxiety symptoms were assessed using the 17-item Hamilton Depression Rating Scale (HAMD) and Hamilton Anxiety Rating Scale (HAMA), respectively. Results: Patients demonstrated similar baseline-to-endpoint improvement in scores and similar response and remission rates for HAMD and HAMA. Analysis of the individual HAMD items revealed that desvenlafaxine significantly reduced anxiety somatic scores (p = 0.013) and hypochondriasis scores (p = 0.014) compared to escitalopram. With respect to the individual HAMA items, desvenlafaxine treatment showed significantly lower scores for respiratory symptoms (p = 0.013) than escitalopram treatment and cardiovascular symptoms (p = 0.005) than vortioxetine treatment. The treatments were well tolerated, with no significant differences. Conclusion: Our results indicated no significant differences in the efficacy and tolerability of escitalopram, desvenlafaxine, and vortioxetine in this subtype of patients with anxious depression during the acute phase of treatment.
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[This corrects the article DOI: 10.1155/2018/9812041.].
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OBJECTIVE: Whether long-acting injectable antipsychotics (LAI) are superior to oral antipsychotics remains a controversial question, and results vary depending on the study design. Our study was performed to compare outcomes of oral antipsychotics and paliperidone palmitate (PP) in clinical practice by investigating the numbers of admissions and bed days. METHODS: We performed a retrospective observational mirror-image study at a single medical center, reviewing medical charts to obtain the clinical data. Forty-six patients with a diagnosis of schizophrenia or schizoaffective disorder who had received at least two doses of PP were included in the analysis. The Wilcoxon signed-rank test was used to compare the numbers of bed days and admissions 1 year before starting PP with those numbers at 1 year after. RESULTS: The mean number of admissions fell from 0.83 to 0.17 per patient (p < 0.0002), and the median fell from 1 to 0. The mean number of bed days decreased significantly, from 24.85 to 8.74 days (p < 0.006). The outcomes remained similar in sensitivity analyses set up with different mirror points. CONCLUSION: Our results indicate that initiating PP reduced the mean numbers of hospital admissions and bed days compared with prior oral medication. LAIs may thus be cost effective in practice; its use bringing about cost reductions greater than its purchase cost.
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BACKGROUND: Delirium is a common and serious syndrome in elderly patients. The hypoactive type of delirium is known to have different characteristics, but further studies are needed to define the specificities of these characteristics. Our study aims at finding specific risk factors, especially estimated blood loss during operations of hyper- and hypoactive delirium in orthopedic elderly patients. METHODS: One hundred and seventy-five elderly patients were evaluated using the Confusion Assessment Method (CAM) and the 4th edition text revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR). Trained psychiatrists interviewed the subjects directly at pre- and postoperative time points. We reviewed medical records after the patients were discharged. RESULTS: Thirty-nine patients (22.3%) were diagnosed with multiple types of delirium, which included 17 hyperactive types (65.9%), 13 hypoactive types (33.3%), and 9 mixed types (23.1%). Although the mean estimated blood loss in patients with either hyper- or hypoactive symptoms was larger than in patients lacking these symptoms, the odds ratio was only significant in patients with hyperactive symptoms. In addition, age, preoperative daily function, and preoperative hyponatremia were found to be risk factors for hyperactive but not hypoactive symptoms. CONCLUSION: Patients with hypoactive symptoms had different risk factors than patients with hyperactive symptoms of delirium. The estimated blood loss, well-known risk factors for delirium, might be risk factors for only hyperactive delirium. The acute precipitating factors seemed to show stronger correlation with the hyperactive type of delirium than with the hypoactive type.
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Perda Sanguínea Cirúrgica/fisiopatologia , Delírio/fisiopatologia , Transtornos Mentais/fisiopatologia , Agitação Psicomotora/fisiopatologia , Idoso , Idoso de 80 Anos ou mais , Delírio/diagnóstico , Delírio/psicologia , Feminino , Humanos , Hiponatremia/diagnóstico , Hiponatremia/fisiopatologia , Hiponatremia/psicologia , Masculino , Transtornos Mentais/diagnóstico , Transtornos Mentais/psicologia , Ortopedia , Pacientes , Período Perioperatório/efeitos adversos , Período Perioperatório/psicologia , Escalas de Graduação Psiquiátrica , Agitação Psicomotora/diagnóstico , Fatores de RiscoRESUMO
OBJECTIVE: It is not easy to diagnose bipolar disorders accurately in the clinical setting. Although Korean version of the Mood Disorder Questionnaire (K-MDQ) is easily administered, it still has weakness regarding case finding. In this study, we suggest a new weighted version of the K-MDQ to increase its screening power. METHODS: Ninety-five patients with bipolar disorders and 346 controls (patients with schizophrenia, patients with depressive disorders, patients with anxiety disorders, and subjects without any psychiatric disease) were enrolled in this study. The subjects received brief information on the K-MDQ, and then independently completed the questionnaire. RESULTS: Using odds ratios, we constructed a new weighted K-MDQ (W-K-MDQ). Item 1 (feel so good or hyper) was weighted 7 times and item 4 (less sleep) 3.5 times. Item 7 (easily distracted) and item 11 (more interested in sex) were excluded. Part 2 (simultaneity) and 3 (functional impairment) were also excluded as in the original K-MDQ. The sensitivity of the W-K-MDQ with a cutoff value of 10 was enhanced to 0.789. The area under the receiver operating characteristic curve was increased to 0.837. CONCLUSION: We suggested a new formula for K-MDQ using 11 of its items. The W-K-MDQ can be easily applied with good sensitivity to screen for bipolar disorders in clinical settings in Korea. Further evaluations with larger samples are needed to establish the usefulness of the W-K-MDQ.
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OBJECTIVE: Emotional intelligence (EI) is regarded an important factor related to psychiatric disorder. Most of previous studies of EI and depression only dealt with EI in present of depressive symptoms. Our study investigated EI both before and after remission of depression and to identify which component of EI is changeable by depression condition. METHODS: EI was evaluated for 23 depression patients and 44 normal control participants. Adult Emotional Quotient Test (AEQT) was used as subjective EI measure and Emotional Literacy Test (ELT) was used as objective EI measure to both groups. RESULTS: During the initial evaluation of the subjective EI, patient group reported significantly lower scores than control group on all AEQT sub-domains except 'empathy'. However, group difference on 'utilization' disappeared after the remission evaluation. There was no significant difference within the objective EI measure. CONCLUSION: According to the result of the study, EI could be sub-divided into trait-dependent EI and state-dependent EI. Further implication, strength and limitation were discussed.
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OBJECTIVE: Depressive symptoms are common in Alzheimer's disease (AD) and they might influence the course and prognosis of AD. Depression could appear anytime in the course of the disease, and could either last considerably long or disappear easily. This study is intended to investigate the occurrence of depression in the course of AD and the risk factors of incidence. METHODS: This study targeted 1,272 AD patients without depressive symptoms at the start of this study in Korea. A total of 775 subjects completed the study, and the occurrence of depression was assessed after 12 months. Demographic information of subjects was collected and cognitive functions, overall functions, and depression severity were assessed at the start of this study and after 12 months. RESULTS: Among the 775 subjects, 103 subjects (13.29%) developed depression 12 months later. The MMSE-KC scores showed significant changes in both groups that developed depression and did not. In the univariate analysis, significant differences in the incidence of depression were found in terms of gender, the administration of the antidepressant at the baseline, the SGDS-K score, and the GDS score. The multiple logistic regression analysis showed that the increase in the incidence of depression was associated with a female, in the increase in SGDS-K score and the GDS score. CONCLUSION: The incidence of depression in the subjects who completed the 12-month follow-up observation was 13.29%. Moreover, in the multivariate analysis, a female gender and the severity of dementia, including the overall functions, seemed associated with the occurrence of depression.
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OBJECTIVES: As South Korea has the highest incidence of completed suicides, the present study aimed to investigate the predictive power of the variables that have been associated with suicide attempts in Korean patients diagnosed with depression. METHODS: Hundred participants were divided into two groups: suicide attempters (31%) and suicide non-attempters (69%). Participants with a history of more than one suicidal attempt were assigned to the suicide attempter group. A hierarchical logistic regression analysis was performed to determine the predictive strengths of the variables that were likely to be associated with suicide attempts. RESULTS: After controlling for the effects of such variables as the severity of depressive symptoms, life stress events and impulsivity, the severity of past suicidal ideation was the most important predictive factor for discriminating suicide attempters from suicide non-attempters. The odds ratio for attempting suicide relative to not attempting suicide increased by a factor of 4.408 for each unit of increase in suicidal ideation. CONCLUSIONS: The present study suggests that the most severe suicidal ideation throughout one's entire life should not be overlooked and may be a major predictor of the risk of suicide.
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Transtorno Depressivo/epidemiologia , Ideação Suicida , Tentativa de Suicídio/estatística & dados numéricos , Adulto , Transtorno Depressivo/complicações , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , República da Coreia/epidemiologia , Fatores de Risco , Índice de Gravidade de Doença , Adulto JovemRESUMO
We examined predictors of suicide attempts in clinically depressed adolescents in Korea and gender differences in suicidal behavior. In total, 106 adolescents diagnosed with depressive disorder were recruited in South Korea. We assessed various variables that might affect suicide attempts, and used a structured interview for the diagnosis of depression and comorbidities and to evaluate suicidality. Demographic and clinical characteristics of the subjects were compared between suicide attempt and non-suicide attempt groups and we examined significant predictors of suicide attempts. Gender differences in suicidal ideation and suicidal behavior were also analyzed. Among 106 depressed participants, 50 (47.2%) adolescents were classified in the suicide attempt group. Generally, the suicide attempt and non-suicide attempt group shared similar clinical characteristics. The suicide attempt group had more females, more major depressive disorder diagnoses, more depressive episodes, and higher suicidal ideation than the non-suicide attempt group. Suicidal ideation was the only significant predictor of suicidal attempt, regardless of gender. Higher suicidal ideation frequency scores and more non-suicidal self-injurious behaviors were shown in the female suicide attempt group than the male suicide attempt group. It is recommended that suicidal ideation be assessed regularly and managed rigorously to decrease suicide risks in depressive adolescents.
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OBJECTIVE: Major burn injuries are strongly associated with both psychological trauma and severe pain, and opioids are the mainstay analgesics for the treatment of severe burn pain. The objectives of this study are to find the complex relationship between opioid dose, depression, and post-traumatic stress disorder (PTSD) symptoms during the acute management of pain in burn patients. METHODS: The symptoms of depression and PTSD were assessed in 43 burn patients immediately following wound stabilization and 2 weeks after the initial evaluation. RESULTS: Total opioid doses and Hamilton Depression Scale (HAMD) scores obtained during the second evaluation were positively but weakly correlated after controlling for age and total burn surface area (R=0.33, p=0.03). Moreover, pain management with opioids was significantly more common in burn patients with low Clinician Administered PTSD Scale scores (evaluation 1) and high HAMD scores (evaluation 2) (F=6.66, p=0.001). CONCLUSION: High opioid dose following acute burn trauma might have correlation with depressive symptoms. Monitoring of depressive symptoms may be important following acute burn trauma and consequent opioids pain management, particularly when PTSD symptoms appear minimal during the early stabilization of patients.
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Early life stress (ELS) may induce long-lasting psychological complications in adulthood. The protective role of resilience against the development of psychopathology is also important. The purpose of this study was to investigate the relationships among ELS, resilience, depression, anxiety, and aggression in young adults. Four hundred sixty-one army inductees gave written informed consent and participated in this study. We assessed psychopathology using the Korea Military Personality Test, ELS using the Childhood Abuse Experience Scale, and resilience with the resilience scale. Analyses of variance, correlation analyses, and hierarchical multiple linear regression analyses were conducted for statistical analyses. The regression model explained 35.8%, 41.0%, and 23.3% of the total variance in the depression, anxiety, and aggression indices, respectively. We can find that even though ELS experience is positively associated with depression, anxiety, and aggression, resilience may have significant attenuating effect against the ELS effect on severity of these psychopathologies. Emotion regulation showed the most beneficial effect among resilience factors on reducing severity of psychopathologies. To improve mental health for young adults, ELS assessment and resilience enhancement program should be considered.
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Agressão/psicologia , Militares/psicologia , Militares/estatística & dados numéricos , Resiliência Psicológica , Estresse Psicológico/epidemiologia , Estresse Psicológico/psicologia , Adaptação Psicológica , Adolescente , Distribuição por Idade , Ansiedade/epidemiologia , Ansiedade/psicologia , Comorbidade , Humanos , Masculino , Prevalência , República da Coreia/epidemiologia , Fatores de Risco , Adulto JovemRESUMO
INTRODUCTION: Bipolar disorders are relatively frequent but easily misdiagnosed. The Korean version of the Mood Disorder Questionnaire (K-MDQ) is a screening instrument for bipolar disorders. The aim of this study was to establish the pattern of responses to the K-MDQ for several psychiatric disorders. METHODS: The subjects for this study were 345 patients with bipolar disorders, schizophrenia, depressive disorders or anxiety disorders, as determined using the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision, and 96 controls from five hospitals. The subjects completed the questionnaire by themselves. RESULTS: The total K-MDQ score was higher in the bipolar disorder group than the other groups. Although the mean K-MDQ score differed significantly between the bipolar disorder group and the other groups, the distributions of total scores for the groups overlapped, and in particular with the schizophrenia group. The area under the receiver operating characteristics curve was relatively high for the bipolar disorder group and the other subjects, but it was less than 0.8 between the bipolar disorder group, and the schizophrenia and control groups. DISCUSSION: There are some distinguishing features of the K-MDQ pattern for each disorder, but their similarities were significant. This made it difficult to differentially diagnose the disorder using only the total K-MDQ score. The diagnostic power of the K-MDQ can only be improved in the clinical setting by utilizing reinforcing criteria to diagnose bipolar disorders. Clinicians should be cautious in their interpretation of the K-MDQ, and the use of additional data is essential.
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Transtornos de Ansiedade/diagnóstico , Transtorno Bipolar/diagnóstico , Transtornos do Humor/diagnóstico , Esquizofrenia/diagnóstico , Adulto , Povo Asiático , Feminino , Humanos , Masculino , Programas de Rastreamento , Pessoa de Meia-Idade , Escalas de Graduação Psiquiátrica , República da Coreia , Inquéritos e QuestionáriosRESUMO
PURPOSE: Early-life stress (ELS) may mediate adjustment problems while resilience may protect individuals against adjustment problems during military service. We investigated the relationship of ELS and resilience with adjustment problem factor scores in the Korea Military Personality Test (KMPT) in candidates for the military service. METHODS: Four hundred and sixty-one candidates participated in this study. Vulnerability traits for military adjustment, ELS, and resilience were assessed using the KMPT, the Korean Early-Life Abuse Experience Questionnaire, and the Resilience Quotient Test, respectively. Data were analyzed using multiple linear regression analyses. RESULTS: The final model of the multiple linear regression analyses explained 30.2 % of the total variances of the sum of the adjustment problem factor scores of the KMPT. Neglect and exposure to domestic violence had a positive association with the total adjustment problem factor scores of the KMPT, but emotion control, impulse control, and optimism factor scores as well as education and occupational status were inversely associated with the total military adjustment problem score. CONCLUSIONS: ELS and resilience are important modulating factors in adjusting to military service. We suggest that neglect and exposure to domestic violence during early life may increase problem with adjustment, but capacity to control emotion and impulse as well as optimistic attitude may play protective roles in adjustment to military life. The screening procedures for ELS and the development of psychological interventions may be helpful for young adults to adjust to military service.
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Adaptação Psicológica , Violência Doméstica/psicologia , Militares/psicologia , Resiliência Psicológica , Transtornos de Estresse Pós-Traumáticos/psicologia , Adolescente , Adulto , Criança , Violência Doméstica/estatística & dados numéricos , Feminino , Humanos , Coreia (Geográfico) , Acontecimentos que Mudam a Vida , Masculino , Testes de Personalidade , Estudos Retrospectivos , Fatores Socioeconômicos , Inquéritos e Questionários , Adulto JovemRESUMO
OBJECTIVE: This study explored the clinical characteristics and risk factors of suicidal ideation in a sample of first graders from South Korea. Children's depression and aggression and maternal depression were examined as possible risk factors. METHODS: This study is a school-based, cross-sectional study of 5 elementary schools in Gunpo City, South Korea. Participants were 707 first graders (mean age, 6.54 years) and their mothers. We assessed children's depressive and aggressive symptoms using the Behavior Assessment System for Children-2 (BASC-2) and maternal depression using the Beck Depression Inventory (BDI). Two items from BASC-2 and 1 item from BDI identified children's and maternal suicidal ideation. RESULTS: Twenty-seven (3.8%) children evidenced suicidal ideation. Children with suicidal ideation had higher mean scores of depression domain (10.11 ± 5.34 vs 4.57 ± 3.44, P < .0001) and aggression domain (7.78 ± 3.84 vs 3.80 ± 2.85, P < .0001) on BASC-2 and maternal depression (9.78 ± 6.45 vs 7.28 ± 5.38, P = .02) on BDI. In regression analysis, children's depression (odds ratio [OR], 1.19; 95% confidence interval [CI], 1.07-1.32; P = .001) and aggression (OR, 1.24; 95% CI, 1.08-1.41; P = .002) contributed significantly to children's suicidal ideation, whereas maternal depression was not significantly related to children's suicidal ideation (OR, 0.99; 95% CI, 0.92-1.06; P = .75). CONCLUSIONS: This study demonstrated that even first graders had a considerable prevalence of suicidal ideation and that depression and aggression were associated with suicidal ideation in young children.
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Agressão/psicologia , Transtorno Depressivo/epidemiologia , Transtorno Depressivo/psicologia , Ideação Suicida , Adulto , Criança , Estudos Transversais , Transtorno Depressivo/diagnóstico , Feminino , Inquéritos Epidemiológicos , Humanos , Masculino , Mães/psicologia , Determinação da Personalidade/estatística & dados numéricos , Psicometria , República da Coreia , Fatores de RiscoRESUMO
OBJECTIVE: This study explores the results of mental health screening in Korean first graders in association with the amount of time the children spent in extracurricular education. METHOD: The study included a community sample of 761 boys and girls, with a mean age of 6.6 years, collected from 5 elementary schools in Gunpo-si, South Korea, in July 2007. Primary caregivers completed a questionnaire that included information on demographic characteristics, the amount of time the children spent in extracurricular education and other activities, and an adapted form of the Behavior Assessment System for Children, Second Edition (BASC-2) to screen for mental health problems. RESULTS: These first graders spent a mean of a little over 2 hours each day in extracurricular education. Extracurricular education demonstrated positive correlations with 4 BASC-2 domains, including hyperactivity (r = 0.092, P < .05), aggression (r = 0.073, P < .05), conduct problems (r = 0.073, P < .05) and depression (r = 0.137, P < .01). A positive linear relationship between depression and extracurricular education was also evident in regression analyses (F = 2.25, R(2) = 0.022, P = .001). The relationship held true even when controlling for time spent with parents, time spent with friends, and time spent asleep. Post hoc analyses revealed that children receiving more than 4 hours of extracurricular education per day showed a sharp increase in depressive symptoms as well as a decrease in the amount of time spent with caregivers. CONCLUSIONS: Results of this study demonstrate that excessive amounts of time spent in extracurricular education (greater than 4 hours per day) may be associated with depression in school-aged children. These findings have relevance for mental health screening and educational policy.
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Educação , Saúde Mental , Análise de Variância , Criança , Estudos Transversais , Depressão/epidemiologia , Depressão/psicologia , Educação/estatística & dados numéricos , Escolaridade , Família/psicologia , Feminino , Humanos , Masculino , Saúde Mental/estatística & dados numéricos , Análise de Regressão , República da Coreia/epidemiologia , Instituições Acadêmicas/estatística & dados numéricos , Inquéritos e Questionários , Fatores de TempoRESUMO
OBJECTIVE: Breast cancer patients can have biopsychosocial changes induced by distress related to the cancer diagnosis. This study investigated psychological characteristics and hypothalamic-pituitary-adrenal (HPA) axis function associated with depressive symptoms in breast cancer patients at the initial diagnosis. METHOD: Seventy-eight breast cancer patients were enrolled, and 61 patients were included in the final analysis. Patients were evaluated concerning psychological adjustment to cancer diagnosis, self-concept and depressive symptoms and given a dexamethasone suppression test before the main surgical treatment. RESULTS: Self-concept scale scores and fighting spirit factor scores of the Korean version of the Mental Adjustment to Cancer (KMAC) scale showed inverse correlations. Anxious preoccupation (AP) factor scores of the KMAC scale positively correlated with depressive symptom scores. Depressive symptom scores were significantly correlated with postdexamethasone serum cortisol levels. In multiple regression analysis, postdexamethasone serum cortisol and the KMAC-AP factor score had significant partial effects in the final model. CONCLUSION: Hypothalamic-pituitary-adrenal axis dysfunction and anxious coping to cancer diagnosis may be associated with depressive symptoms in breast cancer patients before treatment. Based on this analysis, we recommend psychotherapeutic interventions to increase adaptive mental coping strategy and to ameliorate psychological distress. Screening for HPA axis dysfunction and provision of depression treatment may prevent breast cancer patients from developing depressive symptoms.
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Neoplasias da Mama/fisiopatologia , Neoplasias da Mama/psicologia , Transtorno Depressivo/fisiopatologia , Transtorno Depressivo/psicologia , Sistema Hipotálamo-Hipofisário/fisiopatologia , Sistema Hipófise-Suprarrenal/fisiopatologia , Adaptação Psicológica , Adulto , Transtornos de Ansiedade/diagnóstico , Transtornos de Ansiedade/fisiopatologia , Transtornos de Ansiedade/psicologia , Nível de Alerta/fisiologia , Neoplasias da Mama/diagnóstico , Estudos Transversais , Transtorno Depressivo/diagnóstico , Dexametasona , Feminino , Humanos , Hidrocortisona/sangue , Pessoa de Meia-Idade , Inventário de Personalidade/estatística & dados numéricos , Psicometria , Psicoterapia , AutoimagemRESUMO
Quantifying and rating the impairments due to mental and behavior disorders are difficult for their own characteristics. Korean Academy of Medical Sciences (KAMS) is developing guidelines of rating impairment in mental and behavioral disorders based on Korean Neuropsychiatric Association (KNPA)'s new guidelines. We compared the new KNPA's guidelines and the American Medical Association (AMA)'s 6th Guides in assessing impairment due to mental and behavioral disorders to develop new guidelines of KAMS. Two guidelines are different in diagnosing system, applicable disorders, qualification of assessors, application of scales, contents of assessment and rate of impairment of the whole person. Both AMA's and the proposed guidelines have individual merits and characteristics. There is a limitation in using the 6th AMA's Guides in Korean situation. However to improve objectivity in Korean assessment of psychiatric impairment, the new AMA's Guides can serve as a good reference.
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Sintomas Comportamentais/diagnóstico , Avaliação da Deficiência , Transtornos Mentais/diagnóstico , Guias de Prática Clínica como Assunto , Academias e Institutos , Sintomas Comportamentais/classificação , Sintomas Comportamentais/fisiopatologia , Escalas de Graduação Psiquiátrica Breve/normas , Humanos , Coreia (Geográfico) , Transtornos Mentais/classificação , Transtornos Mentais/fisiopatologia , Desenvolvimento de ProgramasRESUMO
BACKGROUND: This study aimed to elucidate the validity and reliability of the Korean version of the Mood Disorder Questionnaire (K-MDQ), which is a screening instrument developed for bipolar disorders. METHODS: This study translated the MDQ into Korean to produce the K-MDQ. The K-MDQ was applied to 126 outpatients with bipolar disorder clinically diagnosed by Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition and 112 controls without a psychiatric history. The long-term test-retest reliability with a 10-month interval was investigated in 30 bipolar outpatients. RESULTS: The internal consistency (Cronbach alpha) of the K-MDQ was .88. The correlations between each item and the total score ranged from 0.43 to 0.76 and were all statistically significant (P < .001). Factor analysis revealed 3 factors that explained 59.5% of the total variance. The mean total score was higher in patients (8.48) than in controls (4.51) (P < .001). A total K-MDQ score of at least 7 was chosen as the optimal cutoff, with the 2 parts of the questionnaire on symptoms clustering and functional problems being excluded, since this provided good sensitivity (0.75) and specificity (0.69). The Pearson correlation coefficient for the total test-retest score was 0.63 (P < .001), and the intraclass correlation coefficient was 0.77 (P < .001; 95% confidence interval, 0.52-0.89). CONCLUSIONS: These findings demonstrated the adequate validity and reliability of the K-MDQ, suggesting that this instrument is useful for screening bipolar disorders in Korea. However, we recommend that the original criteria be modified to improve the sensitivity.