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1.
Article in English | MEDLINE | ID: mdl-37985872

ABSTRACT

Chronic low back pain (cLBP) is the most prevalent chronic pain condition. There are no treatments that haven been found to directly assuage evoked cLBP. To this extent, mindfulness-meditation is a promising pain therapy. Yet, it is unclear if meditation can be utilized to directly attenuate evoked chronic pain through endogenous opioids. A double-blind, randomized, and placebo-controlled clinical trial with a drug crossover design examined if mindfulness-meditation, as compared to sham mindfulness-meditation, attenuated straight leg-raise test evoked chronic pain during intravenous (0.15 mg/kg bolus + 0.15 mg/kg/hour maintenance) naloxone (opioid antagonist) and placebo-saline infusion. Fifty-nine individuals with cLBP (mean age = 46 years; 30 females) completed all study procedures. After the pre-intervention pain testing session, patients were randomized to a four-session (20-min/session) mindfulness (n = 30) or sham mindfulness-meditation (n = 29) intervention. After the interventions, mindfulness and sham mindfulness-meditation were associated with significant reductions in back pain during saline and naloxone infusion when compared to rest (non-meditation) in response to the cLBP-evoking straight leg-raise test. These results indicate that meditation directly reduces evoked chronic pain through non-opioidergic processes. Importantly, after the interventions, the mindfulness group reported significantly lower straight leg-raise induced pain than the sham mindfulness-meditation group during rest (non-meditation) and meditation. Mindfulness and sham mindfulness-meditation training was also associated with significantly lower Brief Pain Inventory severity and interference scores. The pain-relieving effects of mindfulness meditation were more pronounced than a robust sham-mindfulness meditation intervention, suggesting that non-reactive appraisal processes may be uniquely associated with improvements in chronic low-back pain.Trial Registration: ClinicalTrials.gov identifier: NCT04034004.

2.
Psychiatry Investig ; 17(7): 674-680, 2020 Jul.
Article in English | MEDLINE | ID: mdl-32631034

ABSTRACT

OBJECTIVE: Although healthcare workers (HCWs) experienced significant stress during the 2015 outbreak of Middle East Respiratory Syndrome (MERS), the factors associated with this stress remain unknown. Thus, the present study assessed burnout among HCWs during the MERS outbreak to identify the influential factors involved in this process. METHODS: This study was a retrospective chart review of the psychological tests and questionnaires completed by 171 hospital employees from two general hospitals that treated MERS patients. The tests included the Oldenburg Burnout Inventory, Positive Resources Test, the questionnaires assessed exposure to the MERS outbreak event and perceptions about MERS. RESULTS: Of the 171 HCWs, 112 (65.5%) experienced disengagement and 136 (79.5%) suffered from exhaustion. Disengagement was associated with lower levels of purpose and hope, a higher perception of job risk, and exposure to the media. Exhaustion was associated with lower levels of purpose and hope, a higher perception of little control of the infection, a higher perception of job risk, prior experience related to infections, and being female. CONCLUSION: Our results revealed the risk and protective factors associated with burnout among HCWs during an outbreak of MERS. These findings should be considered when determining interventional strategies aimed at ameliorating burnout among HCWs.

3.
Psychiatry Investig ; 15(12): 1162-1167, 2018 Dec.
Article in English | MEDLINE | ID: mdl-30466207

ABSTRACT

OBJECTIVE: Motor, perceptual, and cognitive functions are known to affect driving competence. Subcortical ischemic changes on brain magnetic resonance imaging (MRI) can reflect reduction in cognitive and motor performance. However, few studies have reported the relationship between subcortical ischemic changes and driving competence of the elderly. Thus, the objective of this study was to investigate the association between subcortical ischemic changes on MRI and driving abilities of the elderly. METHODS: Participants (n=540) were drawn from a nationwide, multicenter, hospital-based, longitudinal cohort. Each participant underwent MRI scan and interview for driving capacity categorized into 'now driving' and 'driving cessation (driven before, not driving now)'. Participants were divided into three groups (mild, n=389; moderate, n=116; and severe, n=35) depending on the degree of white matter hyperintensity (WMH) on MRI at baseline. Driving status was evaluated at follow-up. Statistical analyses were conducted using χ2 test, analysis of variance (ANOVA), structured equation model (SEM), and generalized estimating equation (GEE). RESULTS: In SEM, greater baseline degree of WMH was directly associated with driving cessation regardless of cognitive or motor dysfunction (ß=-0.110, p<0.001). In GEE models after controlling for age, sex, education, cognitive, and motor dysfunction, more severe change in the degree of WMH was associated with faster change from 'now driving' state to 'driving cessation' state over time in the elderly (ß=-0.508, p<0.001). CONCLUSION: In both cross-sectional and longitudinal results, the degree of subcortical ischemic change on MRI might predict driving cessation in the elderly.

4.
Psychiatry Investig ; 15(4): 355-360, 2018 Apr.
Article in English | MEDLINE | ID: mdl-29593206

ABSTRACT

OBJECTIVE: Little is known about the psychiatric complications or risk factors for depression in suspected or confirmed Middle East Respiratory Syndrome (MERS) patients quarantined in hospital. METHODS: A retrospective chart review was performed of all the patients admitted to the acute MERS inpatient unit at the NMC during the 2015 outbreak. RESULTS: 30 (75%) were confirmed to be MERS-CoV positive among 40 admitted cases. Among the 24 MERS survivors, 17 (70.8%) exhibited psychiatric symptoms and 10 (41.7%) received a psychiatric diagnosis and medication during their hospital stay. Suspected MERS patients did not exhibit psychiatric symptoms or receive a psychiatric diagnosis. 27 suspected or confirmed MERS patients (age 41.15±18.64, male 37.0%) completed psychological assessments. A multiple linear regression analysis revealed that the Korean National Health and Nutrition Examination Survey-Short form and the Impact of Event Scale-Revised scores were significantly positively correlated with Patient Health Questionnaire-9 scores. CONCLUSION: Our findings indicate that the acute treatment of MERS-CoV infections in quarantine had a significant impact on the patients' mental health. Furthermore, assessment of the risk factors for depression may identify vulnerable patients who require psychiatric care and attention during hospital quarantine.

5.
Psychiatry Investig ; 15(2): 147-155, 2018 Feb.
Article in English | MEDLINE | ID: mdl-29475215

ABSTRACT

OBJECTIVE: The aim of the present study was to provide clinical consensus and evidence regarding initial treatment strategies for the pharmacological treatment of social anxiety disorder (SAD) in Korea. METHODS: We prepared a questionnaire to derive a consensus from clinicians regarding their preference for the pharmacological treatment of SAD in Korea. Data regarding medication regimens and psychotropic drugs used during initial treatment, the doses used, and the pharmacological treatment duration were obtained. Responses were obtained from 66 SAD experts, and their opinions were classified into three categories (first-line, second-line, third-line) using a chi-square analysis. RESULTS: Clinicians agreed upon first-line regimens for SAD involving monotherapy with selective serotonin reuptake inhibitors (SSRIs) or the serotonin-norepinephrine reuptake inhibitor (SNRI) venlafaxine, or combined therapy using antidepressants with betablockers or benzodiazepines on a standing or as-needed basis. First-line psychotropic drug choices for initial treatment included the following: escitalopram, paroxetine, sertraline, venlafaxine, and propranolol. The medication dosage used by domestic clinicians was found to be comparable with foreign guidelines. Domestic clinicians tended to make treatment decisions in a shorter amount of time and preferred a similar duration of maintenance treatment for SAD when compared with foreign clinicians. CONCLUSION: This study may provide significant information for developing SAD pharmacotherapy guidelines in Korea, especially in the early stage of treatment.

6.
Ann Geriatr Med Res ; 22(3): 121-129, 2018 Sep.
Article in English | MEDLINE | ID: mdl-32743261

ABSTRACT

BACKGROUND: Korea has recently attained the aged society status and the growth rate of the aging population will be among the most rapid worldwide. The objective of this study was to develop a credible list of potentially inappropriate medications (PIMs) for Korean older adults. METHODS: A new Korean PIMs list was produced through a comprehensive structured expert survey (modified Delphi method). To generate an expert panel, we invited the nomination of experts in geriatric medication from the Korean Geriatric Society, the Korean Academy of Clinical Geriatrics, the Korean Academy of Family Medicine, the Korean Association for Geriatric Psychiatry, and the Korean Association of Geriatric Hospitals. Based on their recommendation, the expert panel consisted of 14 geriatric specialists, including 10 geriatricians (7 family medicine doctors and 3 internal medicine doctors), 3 geriatric psychiatrists, and 1 clinical pharmacist. After 4 rounds, the new Korean PIMs list was finalized. RESULTS: Sixty-two drugs were classified as PIMs for older adults irrespective of comorbidities, including antipsychotics, tricyclic antidepressants, benzodiazepines, non-steroidal anti-inflammatory drugs, and first-generation antihistamines. Forty-eight drugs or drug categories were classified as PIMs for 18 specific conditions that older adults encounter frequently. The expert panel presented the rationale and comments including preferred therapeutic alternatives and exceptional situations for each item. CONCLUSION: We presented a "user-friendly" PIMs list for Korean older adults. Further prospective studies to validate its usefulness in clinical settings and regular updating of the list are required. It is also important to disseminate this list to doctors who prescribe medication to older people.

7.
Arch Gerontol Geriatr ; 74: 68-71, 2018 Jan.
Article in English | MEDLINE | ID: mdl-29035740

ABSTRACT

BACKGROUND: There is a growing interest in finding psychosocial predictors related to cognitive function. In our previous research, we conducted a cross-sectional study on memory age identity (MAI) and found that MAI might be associated with objective cognitive performance in non-cognitively impaired elderly. A longitudinal study was conducted to better understand the importance of MAI as a psychosocial predictor related to objective cognitive function. METHODS: Data obtained from 1345 Korean subjects aged 60 years and above were analyzed. During the two-year follow-up, subjective memory age was assessed on three occasions using the following question: How old do you feel based on your memory? Discrepancy between subjective memory age and chronological age was then calculated. We defined this value as 'memory age identity (MAI)'. A generalized estimating equation (GEE) was then obtained to demonstrate the relationship between MAI and Korean version-Mini Mental State Examination (K-MMSE) score over the 2 years of study. RESULTS: MAI was found to significantly (ß=-0.03, p< 0.0001) predict objective cognitive performance in the non-cognitively impaired elderly. CONCLUSION: MAI may be a potential psychosocial predictor related to objective cognitive performance in the non-cognitively impaired elderly.


Subject(s)
Cognition , Memory , Age Factors , Aged , Aged, 80 and over , Female , Follow-Up Studies , Humans , Male , Mental Status and Dementia Tests
8.
PLoS One ; 12(12): e0188953, 2017.
Article in English | MEDLINE | ID: mdl-29216235

ABSTRACT

Individuals with posttraumatic stress disorder (PTSD) had experiences of enormous psychological stress that can result in neurocognitive and neurochemical changes. To date, the causal relationship between them remains unclear. The present study is to investigate the association between neurocognitive characteristics and neural metabolite concentrations in North Korean refugees with PTSD. A total of 53 North Korean refugees with or without PTSD underwent neurocognitive function tests. For neural metabolite scanning, magnetic resonance spectroscopy of the hippocampus and anterior cingulate cortex (ACC) has been conducted. We assessed between-group differences in neurocognitive test scores and metabolite levels. Additionally, a multiple regression analysis was carried out to evaluate the association between neurocognitive function and metabolite levels in patients with PTSD. Memory function, but not other neurocognitive functions, was significantly lower in the PTSD group compared with the non-PTSD group. Hippocampal N-acetylaspartate (NAA) levels were not different between groups; however, NAA levels were significantly lower in the ACC of the PTSD group than the non-PTSD group (t = 2.424, p = 0.019). The multiple regression analysis showed a negative association between hippocampal NAA levels and delayed recall score on the auditory verbal learning test (ß = -1.744, p = 0.011) in the non-PTSD group, but not in the PTSD group. We identified specific memory impairment and the role of NAA levels in PTSD. Our findings suggest that hippocampal NAA has a protective role in memory impairment and development of PTSD after exposure to traumatic events.


Subject(s)
Brain/metabolism , Memory Disorders/etiology , Refugees , Stress Disorders, Post-Traumatic/metabolism , Adult , Brain/diagnostic imaging , Democratic People's Republic of Korea , Female , Humans , Magnetic Resonance Imaging , Male , Memory Disorders/diagnostic imaging , Middle Aged , Neuropsychological Tests , Stress Disorders, Post-Traumatic/complications , Stress Disorders, Post-Traumatic/diagnostic imaging
9.
Medicine (Baltimore) ; 94(23): e919, 2015 Jun.
Article in English | MEDLINE | ID: mdl-26061313

ABSTRACT

We aimed to examine risk of diabetes mellitus (DM) among older adults with Alzheimer's disease receiving 3 types of psychotropic drugs, that is, antipsychotics, antidepressants, and sedative anxiolytics. We retrospectively analyzed data from a hospital-based Clinical Research Center for Dementia of South Korea (CREDOS) study conducted between January 1, 2008 and December 31, 2012. Participants (n = 3042) with Alzheimer's disease were aged 65 or older and had no preexisting history of DM. Development of DM was identified using claims for initiating at least 1 prescription of antidiabetic medications or a diagnosis of DM during the follow-up period. Cox proportional hazards regression was used to demonstrate the Hazard ratio of DM in use of each psychotropic drug. Among the 3042 participants, 426 patients (14.0%) developed DM, representing an incidence rate of 5.2/100 person-years during an average 2.9 years of follow-up period. Among the 3 types of psychotropic drugs, antipsychotic users had a significantly higher risk of DM (hazard ratio = 1.74, 95% confidence interval = 1.10, 2.76) than nonusers, after adjusting covariates. Antidepressants and sedative anxiolytics did not achieve statistical significance. These results suggested that the diabetes risk was elevated in Alzheimer patients on antipsychotic treatment. Therefore, patients with Alzheimer's disease receiving antipsychotic treatment should be carefully monitored for the development of DM.


Subject(s)
Anti-Anxiety Agents/adverse effects , Antidepressive Agents/adverse effects , Antipsychotic Agents/adverse effects , Diabetes Mellitus/chemically induced , Aged , Alzheimer Disease/drug therapy , Anti-Anxiety Agents/therapeutic use , Antidepressive Agents/therapeutic use , Antipsychotic Agents/therapeutic use , Diabetes Mellitus/epidemiology , Female , Humans , Male , Retrospective Studies , Risk Assessment
10.
J Alzheimers Dis ; 46(3): 719-26, 2015.
Article in English | MEDLINE | ID: mdl-25854927

ABSTRACT

BACKGROUND & OBJECTIVE: White matter hyperintensities (WMHs) contribute to aggravation of dementia or geriatric syndrome, thereby resulting in functional impairment. However, evidence of direct association between WMHs and medical resource utilization indicated by length of hospital stay (LOS) is scarce in patients with cognitive impairment. This study aimed to examine the relationship between the severity of WMHs and LOS in patients with cognitive impairment. METHODS: 4,253 older adults with cognitive impairment were enrolled in this study. We defined LOS as the total sum of days from January 1, 2008 to December 31, 2012. The severity of periventricular (PVWMHs), deep (DWMHs), and overall white matter hyperintensities (Overall WMHs) was evaluated by a visual rating scale. We conducted multinomial logistic regression to demonstrate the relationship between LOS and severity of PVWHMs, DWHMs, and Overall WMHs, respectively. RESULTS: The median LOS was 20 days. Severe PVWMHs had a higher likelihood of longer LOS (Q3: odd ratio/OR = 1.32, 95% confidence interval/CI = 1.06-1.64; Q4: OR = 1.33, 95% CI = 1.07-1.65; Q5: OR = 1.55, 95% CI = 1.26-1.91). As for DWMHs, moderate DWMHs were related to longer LOS (Q4: OR = 1.33, 95% CI = 1.03-1.71; Q5: OR = 1.63, 95% CI = 1.26-2.11). Finally, severity of overall WMHs was independently associated with LOS, which was similar to the results of DWMHs. CONCLUSION: These findings would advocate for prevention of WMHs to stave off excess medical resource utilization in patients with cognitive impairment.


Subject(s)
Cognition Disorders/pathology , Length of Stay , White Matter/pathology , Aged , Aged, 80 and over , Cognition Disorders/therapy , Female , Humans , Logistic Models , Magnetic Resonance Imaging , Male , Middle Aged , Neuropsychological Tests , Psychiatric Status Rating Scales , Republic of Korea/epidemiology , Retrospective Studies
11.
Arch Gerontol Geriatr ; 59(2): 468-73, 2014.
Article in English | MEDLINE | ID: mdl-24852666

ABSTRACT

Our study aimed to examine the relationship between perceived sleep quality and depression using Pittsburgh Sleep Quality Index (PSQI) and Cole's model to materialize the concept of perceived sleep quality in the non-cognitively impaired elderly. Older adults aged 60+ were recruited from the baseline study of Suwon Project (SP) between 2009 and 2011 (n=2040). Perceived sleep quality was measured using the Korean version of the Pittsburgh Sleep Quality Index (PSQI-K), and depression was accessed using the Korean version of the Geriatric Depression Scale-Short Form (SGDS-K). We excluded the cognitively impaired elderly using the Korean version-Mini Mental Status Examination (K-MMSE) score less than or equal to 17. In multivariable adjusted logistic regression related to PSQI-K components, poor perceived sleep quality, including poor subjective sleep quality (Odds ratio (OR)=1.27, 95% confidence interval (CI)=1.01-1.61), longer sleep latency (OR=1.32, 95% CI=1.13-1.55) and the frequent use of sleeping medication (OR=1.30, 95% CI=1.10-1.53) were significantly associated with depression after adjusting for age, sex, education, living status, current smoking and current alcohol drinking, the number of comorbidity and Beck Anxiety Inventory (BAI). PSQI-K global score also had greater odds of reporting depression (OR=1.12, 95% CI=1.07-1.16). These results suggested that poor perceived sleep quality was associated with a greater level of depression in the elderly.


Subject(s)
Depression/epidemiology , Sleep Wake Disorders/epidemiology , Age Factors , Aged , Aged, 80 and over , Depression/psychology , Female , Geriatric Assessment , Humans , Male , Middle Aged , Prevalence , Prospective Studies , Psychiatric Status Rating Scales , Republic of Korea/epidemiology , Risk Factors , Sleep Wake Disorders/psychology
12.
Arch Gerontol Geriatr ; 54(2): 339-42, 2012.
Article in English | MEDLINE | ID: mdl-21669466

ABSTRACT

Relatively few studies have examined the psychological predictors of cognitive functions in the elderly. We aimed to investigate the relationship between MAI and cognition in the non-cognitively impaired (NCI) elderly. Data obtained from 1345 Korean subjects aged 60+ years were analyzed. MAI was defined as the discrepancy between subjective memory age and chronological age. We conducted the analysis of covariance (ANCOVA) to demonstrate the relationship between MAI and Korean version-Mini Mental State Examination (K-MMSE). There were significant differences in the estimated means of K-MMSE score among the 4 quartile groups of MAI (Q1-Q2>Q3>Q4, F=13.12, p<0.0001). These results suggested that MAI may be associated with cognitive function in the NCI elderly.


Subject(s)
Cognition , Memory , Self Concept , Age Factors , Aged/psychology , Analysis of Variance , Female , Humans , Male , Neuropsychological Tests , Republic of Korea
13.
Arch Gerontol Geriatr ; 53(2): e187-91, 2011.
Article in English | MEDLINE | ID: mdl-20934758

ABSTRACT

The aim of this study was to examine the effects of physical, mental, social activity, and health concern on cognition in the elderly by means of the health concern and activity (HCA) model. Data were obtained from 3157 subjects aged 60 years and above. The subjects were divided into four groups according to the HCA model. Cognitive function was assessed by the Korean version of the mini-mental state examination (K-MMSE). A cross-sectional, factorial design was used in which the K-MMSE score was the dependent variable, with physical, mental, and social activity as one factor and health concern as the other. Analysis of covariance revealed significant differences in the K-MMSE score between all four groups after adjusting for age, sex, education, current smoking, and alcohol consumption for all subjects. The results suggest that having health concerns as well as physical, mental, or social activity is associated with cognitive function in the elderly.


Subject(s)
Attitude to Health , Cognition Disorders/diagnosis , Mental Health , Motor Activity , Aged , Cognition , Cognition Disorders/psychology , Cross-Sectional Studies , Educational Status , Female , Follow-Up Studies , Humans , Male , Neuropsychological Tests , Prognosis
14.
Child Psychiatry Hum Dev ; 38(4): 279-86, 2007 Dec.
Article in English | MEDLINE | ID: mdl-17564830

ABSTRACT

As children with emotional or behavioral problems often fail to receive the treatment available to them, this study examined (1) the degree of perceived need (PN) among Korean parents regarding mental health services for their children, (2) the factors associated with such perceptions, (3) the degree to which Korean parents actually engage mental health services for their children, and (4) the factors associated with such use. To determine the degrees of PN and actual use, 1,058 children aged between 9 and 12 years were asked to complete the Children's Depression Inventory, while their parents completed the Child Behavior Checklist. About 11.4% of the parents demonstrated PN, compared to 2.7% who actually engaged child mental health services. While most of the CBCL factors were associated with PN, the child's self-report significantly affected the perception as well. The attention problem score in the CBCL was the only factor that strongly corresponded to the actual use of services in Korea, a country where academic achievement is considered paramount, which suggests that cultural forces may play a powerful role in determining parents' decisions regarding child mental health care.


Subject(s)
Asian People/psychology , Child Health Services/statistics & numerical data , Decision Making , Health Services Needs and Demand , Mental Disorders/ethnology , Mental Disorders/therapy , Mental Health Services/statistics & numerical data , Parents , Patient Acceptance of Health Care/ethnology , Asian People/statistics & numerical data , Child , Female , Humans , Korea , Male , Observer Variation , Psychology , Social Perception
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