49 results on '"Teh WL"'
Search Results
2. Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder
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Bauer, M, Glenn, T, Achtyes, ED, Alda, M, Agaoglu, E, Altinbas, K, Andreassen, OA, Angelopoulos, E, Ardau, R, Vares, EA, Aydin, M, Ayhan, Y, Baethge, C, Bauer, R, Baune, BT, Balaban, C, Becerra-Palars, C, Behere, AP, Behere, PB, Belete, H, Belete, T, Belizario, GO, Bellivier, F, Belmaker, RH, Benedetti, F, Berk, M, Bersudsky, Y, Bicakci, S, Birabwa-Oketcho, H, Bjella, TD, Brady, C, Cabrera, J, Cappucciati, M, Castro, AMP, Chen, W-L, Cheung, EYW, Chiesa, S, Crowe, M, Cuomo, A, Dallaspezia, S, Del Zompo, M, Desai, P, Dodd, S, Donix, M, Etain, B, Fagiolini, A, Fellendorf, FT, Ferensztajn-Rochowiak, E, Fiedorowicz, JG, Fountoulakis, KN, Frye, MA, Geoffroy, PA, Gonzalez-Pinto, A, Gottlieb, JF, Grof, P, Haarman, BCM, Harima, H, Hasse-Sousa, M, Henry, C, Hoffding, L, Houenou, J, Imbesi, M, Isometsa, ET, Ivkovic, M, Janno, S, Johnsen, S, Kapczinski, F, Karakatsoulis, GN, Kardell, M, Kessing, LV, Kim, SJ, Koenig, B, Kot, TL, Koval, M, Kunz, M, Lafer, B, Landen, M, Larsen, ER, Lenger, M, Lewitzka, U, Licht, RW, Lopez-Jaramillo, C, MacKenzie, A, Madsen, HO, Madsen, SAKA, Mahadevan, J, Mahardika, A, Manchia, M, Marsh, W, Martinez-Cengotitabengoa, M, Martiny, K, Mashima, Y, McLoughlin, DM, Meesters, Y, Melle, I, Meza-Urzua, F, Ming, MY, Monteith, S, Moorthy, M, Morken, G, Mosca, E, Mozzhegorov, AA, Munoz, R, Mythri, S, Nacef, F, Nadella, RK, Nakanotani, T, Nielsen, RE, O'Donovan, C, Omrani, A, Osher, Y, Ouali, U, Pantovic-Stefanovic, M, Pariwatcharakul, P, Petite, J, Pfennig, A, Ruiz, YP, Pilhatsch, M, Pinna, M, Pompili, M, Porter, R, Quiroz, D, Rabelo-da-Ponte, FD, Ramesar, R, Rasgon, N, Ratta-Apha, W, Ratzenhofer, M, Redahan, M, Reddy, MS, Reif, A, Reininghaus, EZ, Richards, JG, Ritter, P, Rybakowski, JK, Sathyaputri, L, Scippa, AM, Simhandl, C, Severus, E, Smith, D, Smith, J, Stackhouse, PW, Stein, DJ, Stilwell, K, Strejilevich, S, Su, K-P, Subramaniam, M, Sulaiman, AH, Suominen, K, Tanra, AJ, Tatebayashi, Y, Teh, WL, Tondo, L, Torrent, C, Tuinstra, D, Uchida, T, Vaaler, AE, Veeh, J, Vieta, E, Viswanath, B, Yoldi-Negrete, M, Yalcinkaya, OK, Young, AH, Zgueb, Y, Whybrow, PC, Bauer, M, Glenn, T, Achtyes, ED, Alda, M, Agaoglu, E, Altinbas, K, Andreassen, OA, Angelopoulos, E, Ardau, R, Vares, EA, Aydin, M, Ayhan, Y, Baethge, C, Bauer, R, Baune, BT, Balaban, C, Becerra-Palars, C, Behere, AP, Behere, PB, Belete, H, Belete, T, Belizario, GO, Bellivier, F, Belmaker, RH, Benedetti, F, Berk, M, Bersudsky, Y, Bicakci, S, Birabwa-Oketcho, H, Bjella, TD, Brady, C, Cabrera, J, Cappucciati, M, Castro, AMP, Chen, W-L, Cheung, EYW, Chiesa, S, Crowe, M, Cuomo, A, Dallaspezia, S, Del Zompo, M, Desai, P, Dodd, S, Donix, M, Etain, B, Fagiolini, A, Fellendorf, FT, Ferensztajn-Rochowiak, E, Fiedorowicz, JG, Fountoulakis, KN, Frye, MA, Geoffroy, PA, Gonzalez-Pinto, A, Gottlieb, JF, Grof, P, Haarman, BCM, Harima, H, Hasse-Sousa, M, Henry, C, Hoffding, L, Houenou, J, Imbesi, M, Isometsa, ET, Ivkovic, M, Janno, S, Johnsen, S, Kapczinski, F, Karakatsoulis, GN, Kardell, M, Kessing, LV, Kim, SJ, Koenig, B, Kot, TL, Koval, M, Kunz, M, Lafer, B, Landen, M, Larsen, ER, Lenger, M, Lewitzka, U, Licht, RW, Lopez-Jaramillo, C, MacKenzie, A, Madsen, HO, Madsen, SAKA, Mahadevan, J, Mahardika, A, Manchia, M, Marsh, W, Martinez-Cengotitabengoa, M, Martiny, K, Mashima, Y, McLoughlin, DM, Meesters, Y, Melle, I, Meza-Urzua, F, Ming, MY, Monteith, S, Moorthy, M, Morken, G, Mosca, E, Mozzhegorov, AA, Munoz, R, Mythri, S, Nacef, F, Nadella, RK, Nakanotani, T, Nielsen, RE, O'Donovan, C, Omrani, A, Osher, Y, Ouali, U, Pantovic-Stefanovic, M, Pariwatcharakul, P, Petite, J, Pfennig, A, Ruiz, YP, Pilhatsch, M, Pinna, M, Pompili, M, Porter, R, Quiroz, D, Rabelo-da-Ponte, FD, Ramesar, R, Rasgon, N, Ratta-Apha, W, Ratzenhofer, M, Redahan, M, Reddy, MS, Reif, A, Reininghaus, EZ, Richards, JG, Ritter, P, Rybakowski, JK, Sathyaputri, L, Scippa, AM, Simhandl, C, Severus, E, Smith, D, Smith, J, Stackhouse, PW, Stein, DJ, Stilwell, K, Strejilevich, S, Su, K-P, Subramaniam, M, Sulaiman, AH, Suominen, K, Tanra, AJ, Tatebayashi, Y, Teh, WL, Tondo, L, Torrent, C, Tuinstra, D, Uchida, T, Vaaler, AE, Veeh, J, Vieta, E, Viswanath, B, Yoldi-Negrete, M, Yalcinkaya, OK, Young, AH, Zgueb, Y, and Whybrow, PC
- Abstract
BACKGROUND: Bipolar disorder is associated with circadian disruption and a high risk of suicidal behavior. In a previous exploratory study of patients with bipolar I disorder, we found that a history of suicide attempts was associated with differences between winter and summer levels of solar insolation. The purpose of this study was to confirm this finding using international data from 42% more collection sites and 25% more countries. METHODS: Data analyzed were from 71 prior and new collection sites in 40 countries at a wide range of latitudes. The analysis included 4876 patients with bipolar I disorder, 45% more data than previously analyzed. Of the patients, 1496 (30.7%) had a history of suicide attempt. Solar insolation data, the amount of the sun's electromagnetic energy striking the surface of the earth, was obtained for each onset location (479 locations in 64 countries). RESULTS: This analysis confirmed the results of the exploratory study with the same best model and slightly better statistical significance. There was a significant inverse association between a history of suicide attempts and the ratio of mean winter insolation to mean summer insolation (mean winter insolation/mean summer insolation). This ratio is largest near the equator which has little change in solar insolation over the year, and smallest near the poles where the winter insolation is very small compared to the summer insolation. Other variables in the model associated with an increased risk of suicide attempts were a history of alcohol or substance abuse, female gender, and younger birth cohort. The winter/summer insolation ratio was also replaced with the ratio of minimum mean monthly insolation to the maximum mean monthly insolation to accommodate insolation patterns in the tropics, and nearly identical results were found. All estimated coefficients were significant at p < 0.01. CONCLUSION: A large change in solar insolation, both between winter and summer and between the minimum an
- Published
- 2021
3. Positive predictive value of MRI vacuum biopsies in the diagnosis of nonmass-like lesions of the breast
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Teh, WL, Papantoniou, EK, and Ng, F
- Published
- 2012
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4. Gadobenate dimeglumine-enhanced MRI of the breast: Analysis of dose response and comparison with gadopentetate dimeglumine
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Knopp, Mv, Bourne, Mw, Sardanelli, F, Wasser, Mn, Bonomo, L, Boetes, C, Muller-Schimpfle, M, Hall-Craggs, Ma, Hamm, B, Orlacchio, A, Bartolozzi, C, Kessler, M, Fischer, U, Schneider, G, Oudkerk, M, Teh, Wl, Bjorn Gehl, H, Salerio, I, Pirovano, G, La Noce, A, Kirchin, Ma, and Spinazzi, A
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Settore MED/36 - Published
- 2003
5. Evaluating a maladaptive personality-informed model of social support and post-traumatic stress disorder.
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Liu J, Teh WL, Tan RHS, Chang SSH, Lau BJ, Chandwani N, Tor PC, and Subramaniam M
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- Humans, Male, Female, Adult, Middle Aged, Depression psychology, Models, Psychological, Personality, Mood Disorders psychology, Personality Disorders psychology, Life Change Events, Asian People psychology, Stress Disorders, Post-Traumatic psychology, Social Support
- Abstract
Background: Social support is a robust predictor of post-traumatic stress disorder (PTSD). Although the inverse relationship between perceived social support and PTSD (social causation model) is supported, less is understood about the antecedents of the social causation model. Further, there is limited research in non-Western psychiatric populations that experience elevated rates of trauma and PTSD (e.g., mood disorders). The present study evaluated whether cumulative traumatic life events influenced current PTSD symptoms through maladaptive personality traits and perceptions of social support among Asian patients with mood disorders., Methods: A total of 200 Asian patients (77.5 % Chinese) with mood disorders were assessed for maladaptive personality traits, perceptions of social support, cumulative traumatic life events, PTSD, and depressive symptoms. Structural equation modelling was conducted to evaluate the extended social causation model., Results: The extended social causation model demonstrated acceptable fit to the data (Comparative Fit Index [CFI] = 0.90; absolute Root Mean Square Error of Approximation [RMSEA] = 0.08). There were significant indirect effects of cumulative traumatic life events on current PTSD symptoms (β = 0.29, p < .001; 85 % variance explained) and depressive symptoms (β = 0.28, p < .001; 69 % variance explained)., Limitations: Results may not be generalizable beyond the Singapore population due to the socio-cultural and environmental context., Conclusions: The present findings provide conceptual support for a maladaptive personality-informed model of social support and PTSD, which could better inform trauma-focused interventions in preventing and treating the debilitating effects of PTSD in psychiatric populations., Competing Interests: Declaration of competing interest None., (Copyright © 2024 Elsevier B.V. All rights reserved.)
- Published
- 2024
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6. The clinical significance of emotional urgency in bipolar disorder: a scoping review.
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Teh WL, Si SY, Liu J, Subramaniam M, and Ho R
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- Humans, Quality of Life psychology, Clinical Relevance, Bipolar Disorder psychology, Impulsive Behavior, Emotions
- Abstract
Background: Emotional urgency, defined as a trait concept of emotion-based impulsivity, is at least moderately associated with general psychopathology. However, its clinical significance and associations with clinically relevant features of bipolar disorder remain unclear. This scoping review aims address this gap by determining the extent of evidence in this niche scope of study., Methods: Evidence of between-group differences of positive and negative urgency, its associations with mood severity, and all peripheral associations related to illness and psychosocial outcomes were synthesized based on PRISMA checklists and guidelines for scoping reviews (PRISMA-ScR)., Design: Electronic databases were searched for articles published between January 2001 and January 2024. A total of 1013 entries were gathered, and a total of 10 articles were included in the final selection after the removal of duplicates and ineligible articles., Results: Differences in urgency scores between bipolar disorder and healthy controls were large (Cohen's d ranged from 1.77 to 2.20). Negative urgency was at least moderately associated with overall trauma, emotional abuse, neglect, suicide ideation, neuroticism, and irritable/cyclothymic temperament, whereas positive urgency was at least moderately associated with various aspects of aggression and quality of life. Positive but not negative urgency was associated with quality of life in bipolar disorder., Conclusion: Large between-group differences found for emotional urgency in bipolar disorder imply large clinical significance. Emotional urgency was associated with worse clinical features and outcomes. Given the high clinical heterogeneity of the disorder, emotional urgency may be an important phenotype indicative of greater disorder severity., (© 2024. The Author(s).)
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- 2024
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7. Pathological personality explains individual differences in global emotion dysregulation within the pathway between child maltreatment and severe depressive symptoms.
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Liu J, Tan RHS, Chang SSH, Teh WL, Shahwan S, Lee YW, Chandwani N, Chan CYW, Tor PC, and Subramaniam M
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- Adult, Female, Humans, Male, Emotions, Individuality, Psychological Tests, Self Report, Depression psychology, Personality Disorders, Adult Survivors of Child Abuse psychology
- Abstract
Objective: Global emotion dysregulation mediates the relationship between child maltreatment and severe depressive symptoms; however, there is a lack of research on maladaptive personality traits and their contribution to individual differences in global emotion dysregulation within this conceptual model. The present study tested a preliminary serial mediation model where maladaptive personality traits and global emotion dysregulation mediate the relationship between child maltreatment and severe depressive symptoms., Method: A total of 200 patients with mood disorders ( M
age = 36.5 years; 54% females) were assessed for maladaptive personality traits (Personality Inventory for Diagnostic and Statistical Manual of Mental Disorders [5th ed.] Brief Form), global emotion dysregulation (Difficulties in Emotion Regulation Scale-Short), childhood trauma (Childhood Trauma Questionnaire), and depressive symptoms (Patient Health Questionnaire-9)., Results: Ordinary least squares regression and partial least squares-structural equation modeling revealed a consistent and significant indirect effect of child maltreatment on severe depressive symptoms through negative affectivity, detachment, psychoticism, and global emotion dysregulation. Among child maltreatment types, only emotional abuse had a significant indirect effect on severe depressive symptoms through maladaptive personality traits and global emotion dysregulation, b = 0.50, SE = 0.09, 95% confidence intervals [0.326, 0.694] after controlling for age, gender, and remaining types of child maltreatment., Conclusions: Findings support the view that maladaptive personality traits shed important insights on individual differences in global emotion dysregulation, and this information could aid clinical formulation and treatment of childhood adversity-related psychopathology. (PsycInfo Database Record (c) 2024 APA, all rights reserved).- Published
- 2024
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8. Emotional urgency predicts bipolar symptoms, severity, and suicide attempt better than non-emotional impulsivity: a cross-sectional study.
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Teh WL, Liu J, Chandwani N, Lee YW, Tor PC, Subramaniam M, and Ho RC
- Abstract
Introduction: Emotional urgency is an emotion-based subdimension of trait impulsivity that is more clinically relevant to psychopathology and disorders of emotion dysfunction than non-emotional subdimensions (i.e., lack of perseverance, sensation seeking, lack of premeditation). However, few studies have examined the relative effects of emotional urgency in bipolar disorder. This cross-sectional study aimed to establish the clinical relevance of emotional urgency in bipolar disorders by (1) explicating clinically relevant correlates of emotional urgency and (2) comparing its effects against non-emotional impulsivity subdimensions., Methods and Results: A total of 150 individuals with bipolar disorder were recruited between October 2021 and January 2023. Zero-order correlations found that emotional urgency had the greatest effect on bipolar symptoms ( r = 0.37 to 0.44). Multiple two-step hierarchical regression models showed that (1) positive urgency predicted past manic symptomology and dysfunction severity ( b = 1.94, p < 0.001 and 0.35 p < 0.05, respectively), (2) negative urgency predicted current depression severity, and (3) non-emotional facets of impulsivity had smaller effects on bipolar symptoms and dysfunction by contrast, and were non-significant factors in the final step of all regression models ( b < 0.30, ns); Those who had a history of attempted suicide had significantly greater levels of emotional urgency (Cohen's d = -0.63)., Discussion: Notwithstanding the study's limitations, our findings expand status quo knowledge beyond the perennial relationship between non-emotion-based impulsivity and bipolar disorder and its implications., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The author(s) declared that they were an editorial board member of Frontiers, at the time of submission. This had no impact on the peer review process and the final decision., (Copyright © 2023 Teh, Liu, Chandwani, Lee, Tor, Subramaniam and Ho.)
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- 2023
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9. Exploratory study of ultraviolet B (UVB) radiation and age of onset of bipolar disorder.
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Bauer M, Glenn T, Achtyes ED, Alda M, Agaoglu E, Altınbaş K, Andreassen OA, Angelopoulos E, Ardau R, Aydin M, Ayhan Y, Baethge C, Bauer R, Baune BT, Balaban C, Becerra-Palars C, Behere AP, Behere PB, Belete H, Belete T, Belizario GO, Bellivier F, Belmaker RH, Benedetti F, Berk M, Bersudsky Y, Bicakci Ş, Birabwa-Oketcho H, Bjella TD, Brady C, Cabrera J, Cappucciati M, Castro AMP, Chen WL, Cheung EYW, Chiesa S, Crowe M, Cuomo A, Dallaspezia S, Del Zompo M, Desai P, Dodd S, Etain B, Fagiolini A, Fellendorf FT, Ferensztajn-Rochowiak E, Fiedorowicz JG, Fountoulakis KN, Frye MA, Geoffroy PA, Gitlin MJ, Gonzalez-Pinto A, Gottlieb JF, Grof P, Haarman BCM, Harima H, Hasse-Sousa M, Henry C, Hoffding L, Houenou J, Imbesi M, Isometsä ET, Ivkovic M, Janno S, Johnsen S, Kapczinski F, Karakatsoulis GN, Kardell M, Kessing LV, Kim SJ, König B, Kot TL, Koval M, Kunz M, Lafer B, Landén M, Larsen ER, Lenger M, Licht RW, Lopez-Jaramillo C, MacKenzie A, Madsen HØ, Madsen SAKA, Mahadevan J, Mahardika A, Manchia M, Marsh W, Martinez-Cengotitabengoa M, Martini J, Martiny K, Mashima Y, McLoughlin DM, Meesters Y, Melle I, Meza-Urzúa F, Mikolas P, Mok YM, Monteith S, Moorthy M, Morken G, Mosca E, Mozzhegorov AA, Munoz R, Mythri SV, Nacef F, Nadella RK, Nakanotani T, Nielsen RE, O'Donovan C, Omrani A, Osher Y, Ouali U, Pantovic-Stefanovic M, Pariwatcharakul P, Petite J, Petzold J, Pfennig A, Ruiz YP, Pinna M, Pompili M, Porter RJ, Quiroz D, Rabelo-da-Ponte FD, Ramesar R, Rasgon N, Ratta-Apha W, Ratzenhofer M, Redahan M, Reddy MS, Reif A, Reininghaus EZ, Richards JG, Ritter P, Rybakowski JK, Sathyaputri L, Scippa AM, Simhandl C, Smith D, Smith J, Stackhouse PW Jr, Stein DJ, Stilwell K, Strejilevich S, Su KP, Subramaniam M, Sulaiman AH, Suominen K, Tanra AJ, Tatebayashi Y, Teh WL, Tondo L, Torrent C, Tuinstra D, Uchida T, Vaaler AE, Vieta E, Viswanath B, Yoldi-Negrete M, Yalcinkaya OK, Young AH, Zgueb Y, and Whybrow PC
- Abstract
Background: Sunlight contains ultraviolet B (UVB) radiation that triggers the production of vitamin D by skin. Vitamin D has widespread effects on brain function in both developing and adult brains. However, many people live at latitudes (about > 40 N or S) that do not receive enough UVB in winter to produce vitamin D. This exploratory study investigated the association between the age of onset of bipolar I disorder and the threshold for UVB sufficient for vitamin D production in a large global sample., Methods: Data for 6972 patients with bipolar I disorder were obtained at 75 collection sites in 41 countries in both hemispheres. The best model to assess the relation between the threshold for UVB sufficient for vitamin D production and age of onset included 1 or more months below the threshold, family history of mood disorders, and birth cohort. All coefficients estimated at P ≤ 0.001., Results: The 6972 patients had an onset in 582 locations in 70 countries, with a mean age of onset of 25.6 years. Of the onset locations, 34.0% had at least 1 month below the threshold for UVB sufficient for vitamin D production. The age of onset at locations with 1 or more months of less than or equal to the threshold for UVB was 1.66 years younger., Conclusion: UVB and vitamin D may have an important influence on the development of bipolar disorder. Study limitations included a lack of data on patient vitamin D levels, lifestyles, or supplement use. More study of the impacts of UVB and vitamin D in bipolar disorder is needed to evaluate this supposition., (© 2023. The Author(s).)
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- 2023
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10. Risk and protective factors of mental health during the COVID-19 pandemic: A cross-sectional study in Singapore.
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Subramaniam M, Abdin E, Shafie S, Wang P, Shahwan S, Satghare P, Chua BY, Ni MY, Lun P, Teh WL, Vaingankar JA, and Chong SA
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- Humans, Singapore epidemiology, Cross-Sectional Studies, Male, Female, Middle Aged, Adult, Risk Factors, Psychological Distress, SARS-CoV-2, Prevalence, Suicidal Ideation, Surveys and Questionnaires, Aged, Pandemics, COVID-19 epidemiology, COVID-19 psychology, COVID-19 prevention & control, Mental Health, Depression epidemiology, Depression psychology, Anxiety epidemiology, Resilience, Psychological, Protective Factors, Stress, Psychological epidemiology
- Abstract
Introduction: The main aims of the study were to: establish the average levels of psychological distress, suicidality and positive mental health (PMH); and examine their associated risk and protective factors in the population of Singapore during the early phase of the COVID-19 pandemic., Method: Participants from a national psychiatric epidemiological study conducted in the general population of Singapore from 2016 to 2018, who had agreed to be re-contacted, were invited to participate in the study that was conducted from May 2020 to June 2021. Questionnaires assessing psychological distress, causes of stress, resilience and PMH were administered., Results: A total of 1,129 respondents completed the study. The mean age was 47.7 (standard deviation = 16.5) years. The prevalence of stress, depression and anxiety was 7.1%, 8.0% and 8.4%, respectively. The final pathways model showed that high concerns related to possible COVID-19 infection of family members or friends were significantly associated with higher stress (β = 0.242, P<0.001), depression (β = 0.152, P=0.001) and anxiety (β = 0.280, P<0.001). High resilience was significantly associated with lower stress (β = -0.482, P<0.001), depression (β = -0.394, P<0.001) and anxiety (β = -0.516, P<0.001), and with high PMH (β = 0.498, P<0.001)., Conclusion: The findings highlight the negative impact of fear of COVID-19 infection, social distancing and isolation on the mental health of the population. Resilience and PMH were associated with lower psychological stress, and interventions to improve these characteristics can enhance mental health and well-being.
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- 2023
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11. Sleep disturbance as transdiagnostic mediator between adverse childhood experiences and psychopathology in children and adolescents: A structural equation modeling meta-analysis.
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Liu J, Teh WL, Tan RHS, Tan YB, Tang C, Chandwani N, and Subramaniam M
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Background: Increasing research efforts have focused on understanding why some individuals develop severe psychopathology after exposure to adverse childhood experiences (ACEs). Sleep disturbances (insomnia, nightmares, and sleep disorders) are prevalent sequelae of ACEs and associated with psychopathology; however, there is no meta-analytic evidence on whether sleep disturbance functions as a transdiagnostic mediator in the relationship between ACEs and psychopathology (internalizing/externalizing disorders and psychosis) in children and adolescents., Methods: Systematic searches in three databases (PubMed; PsycINFO; Web of Science) identified 98 articles ( N = 402,718; age range 1-17 years) and the present study used a novel two-stage meta-analytic structural equation model to investigate whether ACEs predict psychopathology through sleep disturbance. Subgroup analyses determined potential biases due to study design (cross-sectional vs. longitudinal) and geographical differences (Western vs. non-Western countries). Sensitivity analyses evaluated the influence of early childhood (<5 years old) and overlapping symptoms (i.e., nightmares and trauma symptoms) on model stability., Results: The pooled correlations among ACEs, sleep disturbance, and psychopathology were significant; the effect sizes ranged from moderate to high ( r = 0.21 to r = 0.29). The indirect effect from ACEs via sleep disturbance to psychopathology was significant ( β = 0.05, 95% CI [0.04, 0.06]). The direct effect of ACEs on psychopathology was significant ( β = 0.18, 95% CI 0.13-0.24). Subgroup analyses revealed larger effects for cross-sectional studies than longitudinal studies (Δ χ
2 (3) = 9.71, p = 0.021). Sensitivity analyses revealed stable and consistent results., Conclusions: The present meta-analytic results indicate that sleep disturbance is a transdiagnostic mediator in the relationship between ACEs and psychopathology among children and adolescents. Further research is required to determine the synergistic effects between sleep disturbance and other risk mechanisms, and elucidate the complex pathways that lead to disorder in the aftermath of childhood adversities., Competing Interests: The authors declared that they have no competing or potential conflicts of interest., (© 2023 The Authors. JCPP Advances published by John Wiley & Sons Ltd on behalf of Association for Child and Adolescent Mental Health.)- Published
- 2023
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12. Measuring social desirability bias in a multi-ethnic cohort sample: its relationship with self-reported physical activity, dietary habits, and factor structure.
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Teh WL, Abdin E, P V A, Siva Kumar FD, Roystonn K, Wang P, Shafie S, Chang S, Jeyagurunathan A, Vaingankar JA, Sum CF, Lee ES, van Dam RM, and Subramaniam M
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- Humans, Aged, Self Report, Cross-Sectional Studies, Feeding Behavior, Social Desirability, Exercise
- Abstract
Background: Social desirability bias is one of the oldest forms of response bias studied in social sciences. While individuals may feel the need to fake good or bad answers in response to sensitive or intrusive questions, it remains unclear how rampant such a bias is in epidemiological research pertaining to self-reported lifestyle indicators in a multicultural Asian context. The main purpose of the current study is, therefore, to examine the sociodemographic correlates and impact of social desirability responding on self-reported physical activity and dietary habits at an epidemiological scale in a non-western multi-cultural Asian setting., Methods: Prior to the main analyses, confirmatory and exploratory factor analyses were conducted to determine the factorial validity of a western derived concept of social desirability. Multiple regression analyses were conducted on cross-sectional data (n = 2995) extracted from a nationwide survey conducted between 2019 and 2020., Results: A unique factor structure of social desirability was found and was therefore used for subsequent analyses. Multiple regression analyses revealed older age groups, the Indian ethnic group, those with past or present marriages, and having no income, had a significantly greater tendency to act on the bias., Conclusion: The construct of social desirability bias was fundamentally different in a multicultural context than previously understood. Only a small proportion of variance of self-report lifestyle scores was explained by social desirability, thus providing support for data integrity., (© 2023. The Author(s).)
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- 2023
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13. The Relationship between Predominant Polarity, Lifetime Comorbid Anxiety Disorders and Subjective Quality of Life among Individuals with Bipolar Disorder in Singapore.
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Gunasekaran S, Teh WL, Liu J, Cetty L, Mok YM, and Subramaniam M
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- Humans, Quality of Life psychology, Singapore epidemiology, Anxiety, Anxiety Disorders epidemiology, Anxiety Disorders psychology, Surveys and Questionnaires, Bipolar Disorder epidemiology, Bipolar Disorder psychology
- Abstract
Background: Depressive features and comorbid anxiety disorders are two discrete but interconnected clinical features that have been reported to be associated with a poorer quality of life (QoL) among individuals with bipolar disorders. However, the relationship between manic features and quality of life is less conclusive. The present study aimed to assess differences in QoL among bipolar outpatients who present with either depressive predominant polarity (DPP), manic predominant polarity (MPP) and/or a lifetime diagnosis of comorbid anxiety disorders in Singapore., Methods: Data from 74 outpatients in Singapore diagnosed with bipolar disorder were collected. Sociodemographic information, the polarity of most episodes (2 out of 3), the diagnosis of anxiety disorders and QoL were obtained from a self-reported interview and/or through clinical records. QoL was measured using the abbreviated version of the World Health Organization questionnaire. We used multivariate regression models to determine the relationships between predominant polarity, lifetime comorbid anxiety disorders and QoL in physical health, psychological health, social relationships and environment domains., Results: After adjusting for covariates, individuals with DPP scored poorer for WHOQOL-BREF for all four domains as compared with individuals with indeterminate polarity. As compared to individuals with indeterminate polarity, individuals with MPP scored poorer for WHOQOL-BREF social relationships. Lastly, individuals with lifetime comorbid anxiety disorders scored poorer for WHOQOL-BREF physical health, social relationships and environment., Discussion and Conclusions: The present study provides preliminary support for the relationship between DPP, lifetime comorbid anxiety disorders and poorer QoL, paving the pathway for future research with larger samples to utilise our study design to verify our results.
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- 2023
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14. Employers' attitudes towards employing people with mental health conditions.
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Zhang Y, Lau JH, Devi F, Vaingankar JA, Shahwan S, Satghare P, Teh WL, Kumar R, Goh CMJ, Maniam Y, Verma S, Chong SA, and Subramaniam M
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- Attitude, Employment, Humans, Mental Disorders psychology, Mental Disorders therapy, Mental Health
- Published
- 2022
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15. Association between polarity of first episode and solar insolation in bipolar I disorder.
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Bauer M, Glenn T, Achtyes ED, Alda M, Agaoglu E, Altınbaş K, Andreassen OA, Angelopoulos E, Ardau R, Aydin M, Ayhan Y, Baethge C, Bauer R, Baune BT, Balaban C, Becerra-Palars C, Behere AP, Behere PB, Belete H, Belete T, Belizario GO, Bellivier F, Belmaker RH, Benedetti F, Berk M, Bersudsky Y, Bicakci Ş, Birabwa-Oketcho H, Bjella TD, Brady C, Cabrera J, Cappucciati M, Castro AMP, Chen WL, Cheung EYW, Chiesa S, Crowe M, Cuomo A, Dallaspezia S, Del Zompo M, Desai P, Dodd S, Etain B, Fagiolini A, Fellendorf FT, Ferensztajn-Rochowiak E, Fiedorowicz JG, Fountoulakis KN, Frye MA, Geoffroy PA, Gonzalez-Pinto A, Gottlieb JF, Grof P, Haarman BCM, Harima H, Hasse-Sousa M, Henry C, Høffding L, Houenou J, Imbesi M, Isometsä ET, Ivkovic M, Janno S, Johnsen S, Kapczinski F, Karakatsoulis GN, Kardell M, Kessing LV, Kim SJ, König B, Kot TL, Koval M, Kunz M, Lafer B, Landén M, Larsen ER, Lenger M, Lewitzka U, Licht RW, Lopez-Jaramillo C, MacKenzie A, Madsen HØ, Madsen SAKA, Mahadevan J, Mahardika A, Manchia M, Marsh W, Martinez-Cengotitabengoa M, Martiny K, Mashima Y, McLoughlin DM, Meesters Y, Melle I, Meza-Urzúa F, Mok YM, Monteith S, Moorthy M, Morken G, Mosca E, Mozzhegorov AA, Munoz R, Mythri SV, Nacef F, Nadella RK, Nakanotani T, Nielsen RE, O'Donovan C, Omrani A, Osher Y, Ouali U, Pantovic-Stefanovic M, Pariwatcharakul P, Petite J, Pfennig A, Ruiz YP, Pinna M, Pompili M, Porter R, Quiroz D, Rabelo-da-Ponte FD, Ramesar R, Rasgon N, Ratta-Apha W, Ratzenhofer M, Redahan M, Reddy MS, Reif A, Reininghaus EZ, Richards JG, Ritter P, Rybakowski JK, Sathyaputri L, Scippa ÂM, Simhandl C, Smith D, Smith J, Stackhouse PW Jr, Stein DJ, Stilwell K, Strejilevich S, Su KP, Subramaniam M, Sulaiman AH, Suominen K, Tanra AJ, Tatebayashi Y, Teh WL, Tondo L, Torrent C, Tuinstra D, Uchida T, Vaaler AE, Vieta E, Viswanath B, Yoldi-Negrete M, Yalcinkaya OK, Young AH, Zgueb Y, and Whybrow PC
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- Circadian Rhythm, Female, Humans, Male, Seasons, Sunlight, Bipolar Disorder complications
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Objective: Circadian rhythm disruption is commonly observed in bipolar disorder (BD). Daylight is the most powerful signal to entrain the human circadian clock system. This exploratory study investigated if solar insolation at the onset location was associated with the polarity of the first episode of BD I. Solar insolation is the amount of electromagnetic energy from the Sun striking a surface area of the Earth., Methods: Data from 7488 patients with BD I were collected at 75 sites in 42 countries. The first episode occurred at 591 onset locations in 67 countries at a wide range of latitudes in both hemispheres. Solar insolation values were obtained for every onset location, and the ratio of the minimum mean monthly insolation to the maximum mean monthly insolation was calculated. This ratio is largest near the equator (with little change in solar insolation over the year), and smallest near the poles (where winter insolation is very small compared to summer insolation). This ratio also applies to tropical locations which may have a cloudy wet and clear dry season, rather than winter and summer., Results: The larger the change in solar insolation throughout the year (smaller the ratio between the minimum monthly and maximum monthly values), the greater the likelihood the first episode polarity was depression. Other associated variables were being female and increasing percentage of gross domestic product spent on country health expenditures. (All coefficients: P ≤ 0.001)., Conclusion: Increased awareness and research into circadian dysfunction throughout the course of BD is warranted., (Copyright © 2022 Elsevier Inc. All rights reserved.)
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- 2022
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16. Employment of young people with mental health conditions: making it work.
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Subramaniam M, Zhang Y, Shahwan S, Vaingankar JA, Satghare P, Teh WL, Roystonn K, Goh CMJ, Maniam Y, Tan ZL, Tay B, Verma S, and Chong SA
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- Adolescent, Adult, Disclosure, Employment, Female, Humans, Male, Social Stigma, Young Adult, Mental Disorders psychology, Mental Health
- Abstract
Purpose: The current study was undertaken to understand and describe the meaning of work as well as the barriers and facilitators perceived by young people with mental health conditions for gaining and maintaining employment., Materials and Methods: Employing a purposive and maximum variation sampling, 30 young people were recruited and interviewed. The respondents were Singapore residents with a mean age of 26.8 years (SD = 4.5, range 20-34 years); the majority were males (56.7%), of Chinese ethnicity (63.3%), and employed (73.3%), at the time of the interview. Verbatim transcripts were analysed using inductive thematic analysis., Results: Three global themes emerged from the analyses of the narratives, which included (i) the meaning of employment, (ii) barriers to employment comprising individual, interpersonal and systemic difficulties and challenges participants faced while seeking and sustaining employment and (iii) facilitators of employment that consisted of individual and interpersonal factors that had helped the young persons to gain and maintain employment., Conclusions: Stigma and discrimination emerged as one of the most frequently mentioned employment barriers. These barriers are not insurmountable and can be overcome both through legislation as well as through the training and support of young people with mental health conditions.IMPLICATIONS FOR REHABILITATIONEmployment offers several benefits to people with mental health conditions, including improvement in economic status, self-efficacy, and empowerment.Stigma is a significant barrier to employment for young people with mental health conditions; remaining optimistic about career prospects and getting support from peers is vital to employment success.Disclosure of the mental health condition at the place of work is beneficial to the person's own recovery and helpful to others; however, young people must be empowered to choose when and what they want to disclose and under what circumstances.Families help young people with mental health conditions in achieving their employment goals by offering emotional and instrumental support, as well as motivating them to accomplish more.
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- 2022
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17. Perceived mental illness stigma among family and friends of young people with depression and its role in help-seeking: a qualitative inquiry.
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Samari E, Teh WL, Roystonn K, Devi F, Cetty L, Shahwan S, and Subramaniam M
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- Adolescent, Adult, Depression psychology, Female, Friends, Humans, Male, Patient Acceptance of Health Care psychology, Social Stigma, Young Adult, Help-Seeking Behavior, Mental Disorders psychology
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Background: Depressive disorders are a serious public health concern. Left untreated, further clinical distress and impairment in important life domains may arise. Yet, the treatment gap remains large. Prior research has shown that individuals with depressive disorders prefer seeking help from informal sources such as family and friends ahead of formal sources. However, this preference has its disadvantages such as experiencing actual, perceived and internalized stigmatizing responses from them which may delay or deter help-seeking. This paper aimed to determine the role of perceived stigma among family and friends in an individual's help-seeking behavior., Methods: Data were collected using semi-structured interviews with patients with depressive disorders from a tertiary psychiatric hospital in Singapore to capture individuals' self-reported experience with depression and stigmatization among family and friends. Interviews were audio recorded and transcribed verbatim. Data of 33 young adults (mean age = 26 years, SD =4.6; 18 female, 15 male) were analyzed using thematic analysis., Results: In all, four broad themes were developed: (1) absence of support, (2) provision of unhelpful support, (3) preference for non-disclosure, and (4) opposition towards formal help-seeking. Lack of awareness of depression and perpetuation of stigma manifests as barriers towards help-seeking in the form of absence of support and provision of unhelpful support which subsequently leads to a preference for non-disclosure, as well as opposition by family and friends towards formal help-seeking., Conclusions: Data from this study can contribute to the development of public health programs aimed at improving awareness and support from family and friends and facilitating earlier help-seeking among young people with depressive disorders., (© 2022. The Author(s).)
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- 2022
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18. Nicotine Dependence in Patients with Major Depressive Disorder and Psychotic Disorders and Its Relationship with Quality of Life.
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Wang P, Abdin E, Asharani PV, Seet V, Devi F, Roystonn K, Lee YY, Cetty L, Teh WL, Verma S, Mok YM, and Subramaniam M
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- Humans, Quality of Life, Surveys and Questionnaires, Depressive Disorder, Major epidemiology, Psychotic Disorders epidemiology, Tobacco Use Disorder epidemiology
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The aim of the current study was to examine the associations between nicotine dependence and quality of life (QOL) among individuals diagnosed with major depressive disorder (MDD) or psychotic disorders. Methods: A total of 378 participants diagnosed with either MDD or psychotic disorders were recruited. The Fagerstorm Test for Nicotine Dependence was used to measure the level of nicotine dependence. The SF-12 health survey questionnaire was used to measure the QOL. Results: The prevalence of nicotine dependence was 23.3% in this sample population. For those diagnosed with MDD, moderate level of nicotine dependence was negatively associated with Vitality and Mental Component Score. For those diagnosed with a psychotic disorder high nicotine dependence was negatively associated with Role Emotional, Mental Health and Mental Component Score. Discussion: Compared to the general population, the prevalence of smoking in this psychiatric population was 2.4 times higher, while that of nicotine dependence was seven times higher. Individuals with psychotic disorder generally reported better QOL as compared to individuals with MDD. QOL differed across diagnostic groups with regards to socio-demographics, such as age, ethnicity, marital status, education, employment status and monthly income. Among individuals with MDD and psychotic disorders, different levels of nicotine dependence resulted in different levels of association with QOL. More research is needed to better understand the differences in QOL among the varying levels of nicotine dependence.
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- 2021
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19. Depressive symptoms and health-related quality of life in a heterogeneous psychiatric sample: conditional indirect effects of pain severity and interference.
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Teh WL, Liu J, Satghare P, Samari E, Mok YM, and Subramaniam M
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- Anxiety, Cross-Sectional Studies, Humans, Pain, Severity of Illness Index, Surveys and Questionnaires, Depression, Quality of Life
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Background: Few studies have examined clinically relevant mechanisms that underlie the association between two important indices of recovery- depression severity and health-related quality of life (HRQOL) in psychiatric outpatients. This study aimed to explicate the roles of pain interference and pain severity as mediating and moderating mechanisms in the relationship between depressive symptoms and HRQOL., Methods: Data from 290 outpatients diagnosed with schizophrenia (n = 102), depressive (n = 98), and anxiety (n = 90) disorders were examined. Participants completed a set of questionnaires that queried their sociodemographic statuses, current pain severity and interference levels, depression severity levels, and HRQOL. Subsequently, mediation and moderation analyses were conducted., Results: Analyses revealed that pain interference fully mediated the relationship between depressive symptoms and physical (34% of the total effect) but not mental HRQOL. At high pain levels (+ 1 SD from mean), depressive symptoms may interfere with physical quality of life through pain interference, but this was not present at low pain levels (- 1 SD from mean)., Conclusions: Prolonged pain symptoms could negatively influence psychiatric recovery beyond the physical aspect of HRQOL. These results thus imply a need to detect and manage severe physical pain complaints at the acute stage in psychiatric outpatients., (© 2021. The Author(s).)
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- 2021
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20. Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder.
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Bauer M, Glenn T, Achtyes ED, Alda M, Agaoglu E, Altınbaş K, Andreassen OA, Angelopoulos E, Ardau R, Vares EA, Aydin M, Ayhan Y, Baethge C, Bauer R, Baune BT, Balaban C, Becerra-Palars C, Behere AP, Behere PB, Belete H, Belete T, Belizario GO, Bellivier F, Belmaker RH, Benedetti F, Berk M, Bersudsky Y, Bicakci Ş, Birabwa-Oketcho H, Bjella TD, Brady C, Cabrera J, Cappucciati M, Castro AMP, Chen WL, Cheung EYW, Chiesa S, Crowe M, Cuomo A, Dallaspezia S, Del Zompo M, Desai P, Dodd S, Donix M, Etain B, Fagiolini A, Fellendorf FT, Ferensztajn-Rochowiak E, Fiedorowicz JG, Fountoulakis KN, Frye MA, Geoffroy PA, Gonzalez-Pinto A, Gottlieb JF, Grof P, Haarman BCM, Harima H, Hasse-Sousa M, Henry C, Høffding L, Houenou J, Imbesi M, Isometsä ET, Ivkovic M, Janno S, Johnsen S, Kapczinski F, Karakatsoulis GN, Kardell M, Kessing LV, Kim SJ, König B, Kot TL, Koval M, Kunz M, Lafer B, Landén M, Larsen ER, Lenger M, Lewitzka U, Licht RW, Lopez-Jaramillo C, MacKenzie A, Madsen HØ, Madsen SAKA, Mahadevan J, Mahardika A, Manchia M, Marsh W, Martinez-Cengotitabengoa M, Martiny K, Mashima Y, McLoughlin DM, Meesters Y, Melle I, Meza-Urzúa F, Ming MY, Monteith S, Moorthy M, Morken G, Mosca E, Mozzhegorov AA, Munoz R, Mythri SV, Nacef F, Nadella RK, Nakanotani T, Nielsen RE, O'Donovan C, Omrani A, Osher Y, Ouali U, Pantovic-Stefanovic M, Pariwatcharakul P, Petite J, Pfennig A, Ruiz YP, Pilhatsch M, Pinna M, Pompili M, Porter R, Quiroz D, Rabelo-da-Ponte FD, Ramesar R, Rasgon N, Ratta-Apha W, Ratzenhofer M, Redahan M, Reddy MS, Reif A, Reininghaus EZ, Richards JG, Ritter P, Rybakowski JK, Sathyaputri L, Scippa ÂM, Simhandl C, Severus E, Smith D, Smith J, Stackhouse PW Jr, Stein DJ, Stilwell K, Strejilevich S, Su KP, Subramaniam M, Sulaiman AH, Suominen K, Tanra AJ, Tatebayashi Y, Teh WL, Tondo L, Torrent C, Tuinstra D, Uchida T, Vaaler AE, Veeh J, Vieta E, Viswanath B, Yoldi-Negrete M, Yalcinkaya OK, Young AH, Zgueb Y, and Whybrow PC
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Background: Bipolar disorder is associated with circadian disruption and a high risk of suicidal behavior. In a previous exploratory study of patients with bipolar I disorder, we found that a history of suicide attempts was associated with differences between winter and summer levels of solar insolation. The purpose of this study was to confirm this finding using international data from 42% more collection sites and 25% more countries., Methods: Data analyzed were from 71 prior and new collection sites in 40 countries at a wide range of latitudes. The analysis included 4876 patients with bipolar I disorder, 45% more data than previously analyzed. Of the patients, 1496 (30.7%) had a history of suicide attempt. Solar insolation data, the amount of the sun's electromagnetic energy striking the surface of the earth, was obtained for each onset location (479 locations in 64 countries)., Results: This analysis confirmed the results of the exploratory study with the same best model and slightly better statistical significance. There was a significant inverse association between a history of suicide attempts and the ratio of mean winter insolation to mean summer insolation (mean winter insolation/mean summer insolation). This ratio is largest near the equator which has little change in solar insolation over the year, and smallest near the poles where the winter insolation is very small compared to the summer insolation. Other variables in the model associated with an increased risk of suicide attempts were a history of alcohol or substance abuse, female gender, and younger birth cohort. The winter/summer insolation ratio was also replaced with the ratio of minimum mean monthly insolation to the maximum mean monthly insolation to accommodate insolation patterns in the tropics, and nearly identical results were found. All estimated coefficients were significant at p < 0.01., Conclusion: A large change in solar insolation, both between winter and summer and between the minimum and maximum monthly values, may increase the risk of suicide attempts in bipolar I disorder. With frequent circadian rhythm dysfunction and suicidal behavior in bipolar disorder, greater understanding of the optimal roles of daylight and electric lighting in circadian entrainment is needed., (© 2021. The Author(s).)
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- 2021
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21. Comorbid physical illnesses in adult outpatients with psychotic disorders: risk factors, psychological functioning, and quality of life outcomes.
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Teh WL, Cetty L, Jeyagurunathan A, Devi F, Roystonn K, Tang C, Verma S, and Subramaniam M
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- Adult, Comorbidity, Female, Humans, Male, Outpatients, Quality of Life, Psychotic Disorders epidemiology, Schizophrenia epidemiology
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Purpose: In contrast to global research, where physical comorbidity in psychotic disorders is established, only a few studies have been conducted in Southeast Asia. With a concerning trend of chronic physical illnesses emerging in adults below the age of 65, an investigation into comorbid chronic physical illnesses in adults diagnosed with psychotic disorders is necessary. This study aims to explore the risk factors, psychological functioning, and quality of life outcomes associated with comorbidity in adults below the age of 65, diagnosed with psychotic disorders, in a multi-ethnic non-Western setting., Methods: Electronic medical records of 364 patients with psychotic disorders who had provided written consent to participate were screened for co-occurring physical conditions. The majority of participants were female (53.7%), Chinese (69%), single (74.5%), and had tertiary and above education (43%). They were approximately 35 years old on average and the mean age of onset for psychosis was 26.7 years old., Results: Comorbid physical illnesses were present in approximately a third of adults with psychotic disorders (28%). They typically reported cardiovascular-related diseases, respiratory, and skin conditions. Comorbidity was significantly related to lower physical quality of life. As compared to other types of psychotic disorders, schizophrenia was significantly related to a greater frequency of comorbid physical conditions. Multinomial regression analyses revealed that age, age of onset, Malay and Indian ethnicities were significant factors., Conclusion: Physical comorbidity in adults below the age of 65 is common, signifying an emerging need to place greater attention into the screening and emphasis on the physical care needs of this age group. Finally, more research is needed to understand the impact of common co-occurring acute and chronic cardiovascular, skin, and respiratory diseases locally., (© 2021. The Author(s).)
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- 2021
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22. Caregivers' hopes, expectations and concerns surrounding the employment and future of young people with mental health conditions.
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Teh WL, Roystonn K, Vaingankar JA, Goh CMJ, Zhang Y, Chong SA, Verma S, Tay B, and Subramaniam M
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- Adolescent, Employment, Female, Humans, Male, Mental Health, Middle Aged, Motivation, Young Adult, Caregivers, Psychotic Disorders
- Abstract
Objective: Informal caregivers are often placed in a better position to understand and advocate for the vocational needs of young persons with mental health conditions. However, their opinions are largely ignored in the planning of vocational outcomes. This qualitative study had two broad aims: to explore (1) the perceptions of caregivers of young adults with mental health conditions on issues of paid employment and (2) their views and expectations of employment support services., Methods: A total of 30 semi-structured interviews were conducted. Caregivers were 45 years old on average, the majority were women (73%) and were of Chinese ethnicity (53%). Most participants (60%) were parents of the young persons with psychotic disorders (57%), or affective and mood disorders, such as depression or anxiety disorders (43%)., Results: Thematic analyses of data revealed three superordinate themes: (1) caregiving roles, (2) caregivers' expectations and hopes, and (3) barriers to employmentof young persons with mental health conditions., Conclusions and Implications for Practice: Caregivers strongly believed that employment support services should prioritise and advocate for recovery while securing employment. Local mental health employment support services should incorporate the views and expectations of caregivers of young persons with mental health conditions to foster better coordination between stakeholders, and enhance support for successful employment, reintegration into the community, and ultimately recovery for these individuals.
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- 2021
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23. Analysis and Interpretation of Metaphors: Exploring Young Adults' Subjective Experiences With Depression.
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Roystonn K, Teh WL, Samari E, Cetty L, Devi F, Shahwan S, Chandwani N, and Subramaniam M
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- Creativity, Cultural Diversity, Humans, Qualitative Research, Young Adult, Depression, Metaphor
- Abstract
The aim of this study was to provide a cross-cultural exploration of how young adults with depression use metaphors to describe their illness experiences. Data were collected in semi-structured interviews, designed to capture rich and detailed descriptions of participants' firsthand narrative experiences of depression and how they make sense of depression. Thirty-three participant interview data were analyzed, using a combination of deductive and inductive approaches. The analysis resulted in extracting five major themes with sub-themes, which detail the diversity and vividness of metaphorical expressions embedded in participants' accounts and produce insights and a richer picture of the depression experience. Metaphors play a pivotal role in providing a rich resource that young adults rely on, to construct meaningful accounts about their illness. This highlights the importance of a metaphor-enriched perspective in research as well as in clinical practice, particularly in a multicultural health care setting.
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- 2021
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24. A reduced state of being: The role of culture in illness perceptions of young adults diagnosed with depressive disorders in Singapore.
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Teh WL, Samari E, Cetty L, Kumarasan R, Devi F, Shahwan S, Chandwani N, and Subramaniam M
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- Adolescent, Adult, Depressive Disorder diagnosis, Depressive Disorder epidemiology, Depressive Disorder therapy, Female, Humans, Male, Qualitative Research, Singapore epidemiology, Young Adult, Attitude to Health, Cultural Characteristics, Depressive Disorder psychology, Perception, Social Environment
- Abstract
Illness perceptions form a key part of common-sense models which are used widely to explain variations in patient behaviours in healthcare. Despite the pervasiveness of depressive disorders worldwide and in young adults, illness perceptions of depressive disorders have not yet been well understood. Moreover, while a high proportion of cases of depressive disorders reside in South-east Asia, few have explored illness perceptions that are culturally relevant to this region. To address these limitations, this study aimed to understand illness perceptions of young adults diagnosed with depressive disorders. Face-to-face semi-structured interviews were conducted among Chinese, Malay, and Indian young adults aged 20 to 35 years old, who were seeking treatment at a psychiatric hospital. Data reached saturation after 33 interviews (10 to 12 interviews per ethnic group) and five themes emerged from the thematic analysis: 1) A reduced state of being experienced at a point of goal disengagement, 2) the accumulation of chronic stressors in a system that demands success and discourages the pursuit of personally meaningful goals, 3) a wide range of symptoms that are uncontrollable and disabling, 4) poor decision making resulting in wasted opportunities, with some positive takeaways, and 5) accepting the chronicity of depression. Young adults typically experienced depression as a reduced state of being and it was thought of cognitively as an entity that may be a part of or separate from the self. Over and beyond these aspects of cognitive representations was the emergence of themes depicting conflicts and dilemmas between the self and the social environment that threatened self-identity and autonomy. Addressing these conflicts in therapy would therefore be of utmost relevance for young adults recovering from depressive disorders in the local setting., Competing Interests: The authors have declared that no competing interests exist.
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- 2021
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25. Roles, Facilitators and Challenges of Employment Support Specialists Assisting Young People with Mental Health Conditions.
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Vaingankar JA, Teh WL, Roystonn K, Goh J, Zhang YJ, Satghare P, Shahwan S, Chong SA, Verma S, Tan ZL, Tay B, Maniam Y, and Subramaniam M
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- Adolescent, Employment, Female, Humans, Male, Specialization, Mental Disorders, Mental Health
- Abstract
Purpose The present study aimed to understand the roles, effective strategies and facilitators, and challenges of employment support specialists (ESS) in assisting young people with mental health conditions (MHCs) gain and sustain employment in Singapore. Methods An interpretative qualitative design using an inductive approach was adopted for this study. Using a semi-structured interview guide, in-depth interviews were conducted with twenty ESS employed with mental health service providers or other community-based centers. Verbatim transcripts of the interviews were thematically analyzed using inductive methods. ESS were broadly classified as "any professionals providing employment-related support to people with MHCs". Results Majority of the ESS were employed at a tertiary psychiatric institute. Participants included vocational and occupational specialists, case managers and other clinical professionals. Three key themes emerged from the data: (i) descriptions of roles undertaken by the ESS depicting a wide range of services and requisite skillsets; (ii) facilitators that benefit young people with MHCs' in terms of job placement, for example, ESS' attitudes and attributes, and their clients' disposition; and (iii) challenges that deter effective job placements, such as factors pertaining to the ESS themselves, their clients, and clients' employers. Under this theme, ESS also proposed ways to improve employment opportunities of people with MHCs. Conclusions This study provided insight into a range of tasks performed and challenges faced by ESS in Singapore while assisting their clients. There is a need to address ESS' challenges and expectations in order to enhance their efficiency and aid reintegration of young people with MHCs into the workforce and the society.
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- 2021
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26. Prevalence, Lifestyle Correlates, and Psychosocial Functioning Among Multi-Ethnic Older Adults with Mild Cognitive Impairment in Singapore: Preliminary Findings from a 10/66 Population Study.
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Teh WL, Abdin E, Vaingankar JA, Shafie S, Jeyagurunathan A, Yunjue Z, and Subramaniam M
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- Aged, Cross-Sectional Studies, Humans, Life Style, Neuropsychological Tests, Prevalence, Risk Factors, Singapore epidemiology, Cognitive Dysfunction epidemiology, Psychosocial Functioning
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Asia, which has the highest increase in dementia prevalence, is unfortunately lacking recent up-to-date research, with regions of Southeast Asia being the most inadequate. Preventive approaches, such as the understanding of Mild Cognitive Impairment (MCI), are currently the most effective approach in reducing the risk or delaying the onset of dementia but are not adequately understood. Additionally, there is a paucity of research examining lifestyle and sociodemographic correlates of MCI that are relevant to the local population of Singapore. To address these gaps, this study aimed to explore: 1) the prevalence of MCI and Amnestic Mild Cognitive Impairment (aMCI), 2) the psychosocial and lifestyle correlates of MCI and aMCI. Data were drawn from the Well-being of the Singapore Elderly (WiSE) population study, which is a single-phase cross-sectional household survey conducted among older adult residents aged 60 years and above. Analyses revealed that the weighted MCI prevalence (1.2%) was lower than global figures. Few sociodemographic and lifestyle habits were related to MCI prevalence, as only age and physical activeness emerged as significant correlates. Despite the low prevalence of MCI, individuals with MCI experienced marked disability, clinical levels of depression and anxiety, which are all concerning finds. Due to the exploratory and cross-sectional nature of the study, future longitudinal research could further refine our understanding of MCI and confirm the present findings., (Copyright ©2021, Yale Journal of Biology and Medicine.)
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- 2021
27. Physical activity, sedentary behaviour and smoking status among psychiatric patients in Singapore - a cross-sectional study.
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Seet V, Abdin E, Asharani PV, Lee YY, Roystonn K, Wang P, Devi F, Cetty L, Teh WL, Verma S, Mok YM, and Subramaniam M
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- Cross-Sectional Studies, Humans, Singapore epidemiology, Smoking, Exercise, Sedentary Behavior
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Background: Unhealthy behaviours such as physical inactivity, sedentary behaviour and smoking have been found to be more prevalent in people with psychiatric disorders than in the general population, leading to increased mortality risk. The present study seeks to identify correlates of physical activity and sedentary behaviour among psychiatric patients in Singapore, as well as investigate differences in their physical activity patterns by smoking status., Methods: Participants (n = 380) were recruited from a tertiary psychiatric hospital in Singapore as part of a study on the prevalence and correlates of smoking among psychiatric patients. Physical activity levels and sedentary behaviour were measured using the Global Physical Activity Questionnaire (GPAQ) and analysed based on GPAQ guidelines. Chi-square analyses were conducted to examine differences in physical activity by smoking status, and logistic regression analyses to yield sociodemographic correlates of meeting physical activity guidelines (as recommended by the World Health Organization) and sedentary behaviour., Results: Education was found to be significantly associated with meeting recommended physical activity levels, while age and marital status were significantly associated with excessive sedentary behaviour. Additionally, while no significant differences were found among current, former and non-smokers across all types of physical activity engagement levels, there was a high prevalence of inadequate physical activity (43.2%) and excessive sedentary behaviour (38.8%) among participants., Conclusion: Given the high prevalence of inadequate physical activity and excessive sedentary behaviour among current, former and non-smokers with psychiatric disorders, programmes aimed at increasing physical activity and lowering sedentary behaviour levels should be integrated into targeted treatment plans to improve clinical outcomes.
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- 2021
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28. Smoking-Related Health Beliefs in a Sample of Psychiatric Patients: Factors Associated with the Health Beliefs and Validation of the Health Belief Questionnaire.
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Asharani PV, Lau JH, Ai Ling Seet V, Devi F, Wang P, Roystonn K, Lee YY, Cetty L, Teh WL, Verma S, Mok YM, Chong SA, and Subramaniam M
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- Adult, Humans, Motivation, Smoking, Surveys and Questionnaires, Smoking Cessation, Tobacco Use Disorder
- Abstract
This study examined the (a) health beliefs and emotions (perception of risk, benefits, severity, and worry) about smoking among current and former smokers, (b) their awareness of health warnings, (c) factors associated with smoking-related health beliefs, and (d) the factor structure of the health belief questionnaire. Participants (n = 184) were recruited from a tertiary psychiatric care hospital. Current smokers showed a significantly higher risk perception and lower perceived benefits compared to former smokers. Younger age (<40 years), nicotine dependence (ND), a history of smoking-related diseases (SRD), and intention to quit were significantly associated with a higher risk perception in current smokers. Younger age, a history of SRDs, and motivation to quit were positively associated with health beliefs, while the latter two were associated with worry. Motivation and younger age were associated with a better perception of benefits and severity. Information on the cigarette packets was the major source of awareness for the sample, and 69% reported that existing campaigns were not effective in discouraging their smoking. Personalized risk communication and educational initiatives must focus on improving the knowledge of risk, benefits, and increase motivation to promote health cognition and thus smoking cessation.
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- 2021
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29. The potential impact of an anti-stigma intervention on mental health help-seeking attitudes among university students.
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Shahwan S, Lau JH, Goh CMJ, Ong WJ, Tan GTH, Kwok KW, Samari E, Lee YY, Teh WL, Seet V, Chang S, Chong SA, and Subramaniam M
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- Attitude, Humans, Patient Acceptance of Health Care, Social Stigma, Students, Universities, Young Adult, Mental Disorders therapy, Mental Health
- Abstract
Background: The reluctance of young adults to seek mental health treatment has been attributed to poor mental health literacy, stigma, preference for self-reliance and concerns about confidentiality. The purpose of this study was to examine the potential impact of an anti-stigma intervention that includes education about depression, information about help-seeking as well as contact with a person with lived experience, on help seeking attitudes., Methods: A pre-post study design was employed. Changes in help-seeking attitudes were measured using the Inventory of Attitudes towards Seeking Mental Health Services (IASMHS) immediately post-intervention and after 3 months. Sociodemographic data, information on past experiences in the mental health field and contact with people with mental illness were collated. Three hundred ninety university students enrolled in the study. Linear mixed models were used to examine the effects of the intervention., Results: Scores on all subscales of the IASMHS, Psychological Openness (PO), Help-seeking Propensity (HP) and Indifference to Stigma improved significantly post-intervention and at 3-month follow-up compared to pre-intervention, with HP demonstrating the highest effect size. However, a significant decline was observed on all three scales at 3-month follow-up compared to post-intervention. Gender, having friends/family with mental illness, and previous experience in the mental health field moderated the intervention effects for the PO and HP subscales., Conclusion: The study showed that the brief anti-stigma intervention was associated with improvements in help-seeking attitudes among university students with differential effects among certain sub-groups. As the beneficial outcomes appeared to decrease over time, booster sessions or opportunities to participate in mental health-related activities post-intervention may be required to maintain the desired changes in help-seeking attitudes.
- Published
- 2020
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30. A typology of nonsuicidal self-injury in a clinical sample: A latent class analysis.
- Author
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Shahwan S, Lau JH, Abdin E, Zhang Y, Sambasivam R, Teh WL, Gupta B, Ong SH, Chong SA, and Subramaniam M
- Subjects
- Female, Humans, Latent Class Analysis, Suicidal Ideation, Suicide, Attempted, Quality of Life, Self-Injurious Behavior epidemiology
- Abstract
Nonsuicidal self-injury(NSSI) is a behavioural concern and can present in diverse ways, varying by method, frequency, severity, function and so forth. The possible combinations of these features of NSSI produce an array of profiles that makes evaluation and management of this behaviour challenging. The aim of this study was to build upon previous work that reduces the heterogeneity of NSSI patterns by using latent class analysis (LCA) to identify a typology of NSSI. Participants consisted of 235 outpatients aged 14-35 years attending a tertiary psychiatric hospital in Singapore who had reported at least one NSSI behaviour within the last year. Eight indicators captured using the Functional Assessment of Self-Mutilation were used in the LCA: frequency of NSSI, length of contemplation before engaging in NSSI, usage of more than three NSSI methods, suicidal ideation and four psychological functions of NSSI, that is, social-positive, social-negative, automatic-positive and automatic-negative. The LCA revealed three distinct groups: Class 1-Experimental/Mild NSSI, Class 2-Multiple functions NSSI/Low Suicide Ideation and Class 3-Multiplefunctions NSSI/Possible Suicide Ideation. Multinomial logistic regression analyses were conducted to examine the associations between class membership and sociodemographic variables as well as measures of emotion dysregulation, childhood trauma, depression and quality of life. Females were overrepresented in Class 3. In general, Class 3 had the poorest scores followed by Class 2. Our analyses suggest that different NSSI subtypes require different treatment indications. Profiling patterns of NSSI may be a potentially useful step in guiding treatment plans and strategies., (© 2020 The Authors. Clinical Psychology & Psychotherapy published by John Wiley & Sons Ltd.)
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- 2020
- Full Text
- View/download PDF
31. Prevalence and correlates of bipolar spectrum disorders in Singapore: Results from the 2016 Singapore Mental Health Study (SMHS 2016).
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Teh WL, Abdin E, Vaingankar J, Shafie S, Yiang Chua B, Sambasivam R, Zhang Y, Shahwan S, Chang S, Mok YM, Verma S, Heng D, Subramaniam M, and Chong SA
- Subjects
- Comorbidity, Cross-Sectional Studies, Humans, India, Mental Health, Prevalence, Singapore epidemiology, Bipolar Disorder epidemiology, Mental Disorders epidemiology
- Abstract
Background: Prevalence estimates of Bipolar Spectrum Disorders (BSD) remain scant in Southeast Asia. This study aims to investigate the prevalence of BSD, its correlates with sociodemographic factors, and the associations between the BSD subgroups and clinical severity, impairment, and disability in Singapore., Methods: This study utilizes data gathered from the second Singapore Mental Health Study (SMHS)- a nationwide cross-sectional survey conducted between 2016 and 2018 (response rate: 69.5%). Respondents were randomly selected and administered, in a single visit, interviewer-led surveys of the World Health Organization Composite International Diagnostic Interview version 3.0 (CIDI 3.0) in their preferred language (i.e. Chinese, Malay, Tamil, or English). A total of 6126 residents completed the study., Results: The lifetime weighted prevalence of BSD, Bipolar I, II, and subthreshold bipolar disorder was 3.1%, 1.5%, 0.03%, and 1.6% respectively. A higher prevalence of Bipolar Disorders (BPD) was significantly associated with younger age, being divorced or separated, and being unemployed. Lifetime comorbidity of BSD with at least one other psychiatric or physical condition was 45% and 51% respectively. BSD was most comorbid with Obsessive Compulsive Disorder (psychiatric condition) and Chronic pain (physical condition)., Limitations: This study relies on self-report data which may be subject to unintended response biases leading to the under or over-reporting of results., Discussion: In addition to the high prevalence of BPD, there is also a concerning shift and increase in the proportion of those who experience severe symptoms of mania/hypomania and depression. Subthreshold bipolar disorder is found to be clinically significant and cross-culturally valid in a multi-cultural setting., Competing Interests: Declaration of Interest The authors declare no conflict of interest., (Copyright © 2020 The Authors. Published by Elsevier B.V. All rights reserved.)
- Published
- 2020
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32. Smoking and Mental Illness: Prevalence, Patterns and Correlates of Smoking and Smoking Cessation among Psychiatric Patients.
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Asharani PV, Ling Seet VA, Abdin E, Siva Kumar FD, Wang P, Roystonn K, Lee YY, Cetty L, Teh WL, Verma S, Mok YM, Fung DSS, Chong SA, and Subramaniam M
- Subjects
- Adult, Female, Humans, Male, Middle Aged, Prevalence, Self Efficacy, Smokers, Tobacco Smoking, Young Adult, Mental Disorders complications, Mental Disorders epidemiology, Smoking epidemiology, Smoking Cessation
- Abstract
This study aims to understand (a) the prevalence and correlates of smoking in a psychiatric population, (b) factors that encourage smoking cessation, and (c) awareness towards cessation programmes. This study captured data ( n = 380) through a modified version of the Global Adult Tobacco Survey (GATS). A descriptive analysis of the data was performed. The prevalence of smoking was 39.5% ( n = 150) and 52.3% of the smokers were dependent on nicotine. More than half of the smokers had made at least one attempt to quit in the past 12 months and 56% reported no immediate plans to quit smoking. The awareness towards institutional smoking cessation programmes was fair (44%), with 49.7% of smokers having indicated that they were willing to use the service upon referral. Smokers endorsed that increasing the cost of cigarettes, restricting availability, and increasing knowledge of health harms could encourage smoking cessation. Past smokers reported that self-determination/willpower followed by substitution of smoking with other types of foods and drinks were factors that helped them achieve successful cessation. Given that the readiness to quit and awareness towards cessation programmes are low among the smokers, concerted efforts through educational programmes and policy changes are crucial to achieve successful cessation.
- Published
- 2020
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33. An Exploration of Differences Between Deliberate Self-Harm with and without Suicidal Intent Amongst a Clinical Sample of Young People in Singapore: A Cross-Sectional Study.
- Author
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Samari E, Shahwan S, Abdin E, Zhang Y, Sambasivam R, Teh WL, Ong SH, Chong SA, and Subramaniam M
- Subjects
- Adolescent, Adult, Cross-Sectional Studies, Depression epidemiology, Female, Humans, Logistic Models, Male, Prevalence, Risk Factors, Self Report, Singapore epidemiology, Suicide, Attempted psychology, Young Adult, Intention, Self-Injurious Behavior epidemiology, Suicidal Ideation
- Abstract
This study examined differences between young people with mental illness who engage in deliberate self-harm with and without suicidal intent, as well as socio-demographic and clinical factors that are related to the increased likelihood of suicide attempt amongst self-harming young people. A total of 235 outpatients with mental illness who had engaged in deliberate self-harm were recruited from a tertiary psychiatric hospital in Singapore. Participants completed a self-report questionnaire which collected information on their socio-demographic background, self-harm history, diagnosis, depressive symptoms and childhood trauma. A total of 31.1% had reported a history of attempted suicide. Multiple logistic regression conducted found that engaging in self-harm ideation between 1 and 7 days (OR = 4.3, p = 0.30), and more than 1 week (OR = 10.5, p < 0.001) (versus no engagement in any self-harm ideation at all), were significantly associated with greater likelihood of attempted suicide. This study reports a relatively high prevalence rate of reported suicide attempts amongst young people with mental illness who engaged in self-harm. Identifying self-harm behaviors and treating it early could be the first step in managing potential suicidal behaviors among those who engage in self-harm.
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- 2020
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34. Confirmatory Factor Analysis and Measurement Invariance of the Multidimensional Scale of Perceived Social Support in Young Psychiatric and Non-Psychiatric Asians.
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Teh WL, Shahwan S, Abdin E, Zhang Y, Sambasivam R, Devi F, Verma S, Chong SA, and Subramaniam M
- Subjects
- Adolescent, Adult, Case-Control Studies, Factor Analysis, Statistical, Female, Humans, Male, Models, Psychological, Self Report, Young Adult, Asian People psychology, Depressive Disorder psychology, Psychological Tests, Social Perception, Social Support
- Abstract
Introduction: Studies of the 3-factor (family, friends and significant others) Multidimensional Scale of Perceived Social Support (MSPSS) have shown mixed results in non-Western and/or psychiatric populations due to factorial inconsistencies in its structure. Our study aimed to replicate and expand previous findings of MSPSS through confirmatory factor analysis (CFA) and measurement invariance analysis in a young Asian population of psychiatric and non-psychiatric subjects., Materials and Methods: Data on 209 subjects were examined. The majority were Chinese (66.5%) followed by Malays (17.2%), Indians (14.4%) and other ethnicities (1.9%). Subjects in the non-psychiatric group (n = 100) did not report any psychiatric illnesses. Subjects in the psychiatric group (n = 109) were outpatients of a tertiary hospital in Singapore who had been diagnosed with depressive disorders., Results: The 3-factor models of MSPSS showed better fit indices than the 2-factor models (friends/significant others and family, or family/significant others and friends) which indicated that the 3-factor structure of MSPSS was valid. Multigroup CFA demonstrated metric invariance, indicating MSPSS scores can be compared across groups. In the psychiatric group, descriptive and weighted univariate analyses revealed significantly lower levels of perceived social support in every domain of MSPSS., Conclusion: The 3-factor model of MSPSS can be used to compare psychiatric and non-psychiatric subjects locally. Since psychiatric patients reported lower MSPSS scores, future research could examine the causative factors that contribute to lower perceived social support in young adults seeking psychiatric intervention.
- Published
- 2019
35. The prevalence of childhood trauma in psychiatric outpatients.
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Devi F, Shahwan S, Teh WL, Sambasivam R, Zhang YJ, Lau YW, Ong SH, Fung D, Gupta B, Chong SA, and Subramaniam M
- Abstract
Background: The aim of this present study was to compare the prevalence and type of trauma experienced by community sample with the outpatient sample with mental disorders., Methods: A total of 354 outpatients, aged 14-35 years old, with mood disorders, schizophrenia and other psychotic disorders, adjustment disorder and anxiety disorder were recruited from a tertiary psychiatric hospital. A total of 100 healthy controls were recruited from the Singapore general population by snowballing. The Childhood Trauma Questionnaire-Short Form (CTQ-SF) designed to measure childhood trauma and the severity (e.g., physical abuse, emotional abuse, sexual abuse, physical neglect and emotional neglect) was administered to participants. Socio-demographic and clinical characteristics were obtained from interviews with the participants and from outpatients' medical records, respectively. Independent sample t tests and Chi-square tests were used to investigate the differences between the outpatient and community samples., Results: Overall the CTQ-SF total and domain scores indicated that outpatient sample experienced higher rate of traumatic life events in childhood than community sample. Two most reported trauma types were emotional abuse ( n = 81, 59.1%) and physical neglect ( n = 74, 54%) reported by the mood disorder group. In the community sample, emotional neglect ( n = 46, 46%) and physical neglect ( n = 18, 18%) were the most commonly reported trauma type. Overall outpatient sample ( n = 80, 22.6%) and community sample ( n = 28, 28%) reported at least one type of trauma., Conclusion: The findings indicate higher rates of CTQ-SF total and domain scores in outpatient sample demonstrating a higher rate of traumatic life events in childhood compared to community sample. Further research in childhood trauma is needed to improve the knowledge in psychiatric clinic practices., Competing Interests: Competing interestsThe authors declare they have no competing interests.
- Published
- 2019
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36. Medication non-adherence in inflammatory bowel diseases is associated with disability.
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Perry J, Chen A, Kariyawasam V, Collins G, Choong C, Teh WL, Mitrev N, Kohler F, and Leong RWL
- Abstract
Background/aims: Medication non-adherence is common in inflammatory bowel diseases (IBD). The short-term consequences of non-adherence include increased disease relapse but the long-term impact upon patients in terms of daily functional impairment are less well characterized. Identifying negative outcomes, such as disability, may encourage adherence., Methods: Consecutive ambulatory IBD subjects completed the Medication Adherence Rating Scale (MARS; non-adherence defined as ≤16), Inflammatory Bowel Diseases Disability Index (IBD-DI; disability: <3.5) and Beliefs about Medicines Questionnaire (high necessity/concerns: ≥16). The primary outcome was the association between medication non-adherence and disability. Secondary outcomes were the predictors of these outcomes., Results: A total of 173 subjects on IBD maintenance medications were recruited (98 Crohn's disease, 75 ulcerative colitis: median IBD-DI, -5.0; interquartile range [IQR], -14.0 to 4.0 and median MARS, 19.0; IQR, 18 to 20) of whom 24% were non-adherent. Disability correlated significantly with medication non-adherence (r=0.38, P<0.0001). Median IBD-DI for non-adherers was significantly lower than adherers (-16.0 vs. -2.0, P<0.0001). Predictors of disability included female sex (P=0.002), previous hospitalization (P=0.023), management in a referral hospital clinic (P=0.008) and medication concerns (P<0.0001). Non-adherence was independently associated with difficulty managing bowel movements (odds ratio [OR], 3.71; 95% confidence interval [CI], 1.50-9.16, P=0.005), rectal bleeding (OR, 2.69; 95% CI, 1.14-6.36; P=0.024) and arthralgia/arthritis (OR, 2.56; 95% CI, 1.11-5.92; P=0.028)., Conclusions: Medication non-adherence was associated with significantly increased disability in IBD. Female gender, higher disease severity and medication concerns were additional predictors of disability.
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- 2018
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37. Prevalence of stroke, risk factors, disability and care needs in older adults in Singapore: results from the WiSE study.
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Teh WL, Abdin E, Vaingankar JA, Seow E, Sagayadevan V, Shafie S, Shahwan S, Zhang Y, Chong SA, Ng LL, and Subramaniam M
- Subjects
- Aged, Aged, 80 and over, Cardiovascular Diseases complications, Cognition, Cross-Sectional Studies, Delivery of Health Care, Dementia complications, Diabetes Complications, Diabetes Mellitus, Ethnicity, Female, Humans, Male, Middle Aged, Odds Ratio, Prevalence, Risk Factors, Self Report, Singapore epidemiology, Disabled Persons statistics & numerical data, Health Services Needs and Demand, Stroke epidemiology, Stroke etiology, Stroke therapy
- Abstract
Objectives: The aims of the present study were to establish the prevalence of stroke, and to explore the association between stroke prevalence and sociodemographic and health factors, disability, cognitive functioning and care needs among older adult residents in Singapore., Setting: Data were drawn from the Well-being of the Singapore Elderly study-a cross-sectional epidemiological survey conducted from 2012 to 2013 on older adults living in Singapore., Participants: Participants were Singapore residents (citizens and permanent residents) 60 years and above who were living in Singapore during the survey period . Older adult residents who were institutionalised were also included in this study. Those who were not living in Singapore or who were not contactable were excluded from the study. The response rate was 65.6 % (2565/3913). A total population sample of 2562 participants completed the survey. Participants comprised 43.6% males and 56.4% females. The sample comprised 39.4% Chinese, 29.1% Malay, 30.1% Indian and 1.4% other ethnicities ., Primary and Secondary Outcome Measures: History of stroke, along with other health and mental health conditions, disability and cognitive functioning, were determined by self-report., Results: Weighted stroke prevalence was 7.6% among older adults aged 60 and above. At a multivariate level, Malay ethnicity (OR 0.41, p=0.012, 95% CI 0.20 to 0.82), hypertension (OR 4.58, p=0.001, 95% CI 1.84 to 11.40), heart trouble (OR 2.45, p=0.006, 95% CI 1.30 to 4.63), diabetes (OR 2.60, p=0.001, 95% CI 1.49 to 4.53) and dementia (OR 3.57, p=0.002, 95% CI 1.57 to 8.12) were associated with stroke prevalence., Conclusions: Several findings of this study were consistent with previous reports. Given that Singapore's population is ageing rapidly, our findings may indicate the need to review existing support services for stroke survivors and their caregivers. Future research could investigate the association between various sociodemographic and health conditions and stroke prevalence to confirm some of the findings of this study., Competing Interests: Competing interests: None declared., (© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)
- Published
- 2018
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38. Stigma towards mental illness among medical and nursing students in Singapore: a cross-sectional study.
- Author
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Chang S, Ong HL, Seow E, Chua BY, Abdin E, Samari E, Teh WL, Chong SA, and Subramaniam M
- Subjects
- Adult, Cross-Sectional Studies, Female, Humans, Male, Singapore, Students, Medical statistics & numerical data, Students, Nursing statistics & numerical data, Young Adult, Attitude of Health Personnel, Mental Disorders psychology, Social Stigma, Students, Medical psychology, Students, Nursing psychology, Surveys and Questionnaires
- Abstract
Objectives: To assess stigma towards people with mental illness among Singapore medical and nursing students using the Opening Minds Stigma Scale for Health Care Providers (OMS-HC), and to examine the relationship of students' stigmatising attitudes with sociodemographic and education factors., Design and Setting: Cross-sectional study conducted in Singapore PARTICIPANTS: The study was conducted among 1002 healthcare (502 medical and 500 nursing) students during April to September 2016. Students had to be Singapore citizens or permanent residents and enrolled in public educational institutions to be included in the study. The mean (SD) age of the participants was 21.3 (3.3) years, with the majority being females (71.1%). 75.2% of the participants were Chinese, 14.1% were Malays, and 10.7% were either Indians or of other ethnicity., Methods: Factor analysis was conducted to validate the OMS-HC scale in the study sample and to examine its factor structure. Descriptive statistics and multivariate linear regression were used to examine sociodemographic and education correlates., Results: Factor analysis revealed a three-factor structure with 14 items. The factors were labelled as attitudes towards help-seeking and people with mental illness, social distance and disclosure. Multivariable linear regression analysis showed that medical students were found to be associated with lower total OMS-HC scores (P<0.05), less negative attitudes (P<0.001) and greater disclosure (P<0.05) than nursing students. Students who had a monthly household income of below S$4000 had more unfavourable attitudes than those with an income of SGD$10 000 and above (P<0.05). Having attended clinical placement was associated with more negative attitudes (P<0.05) among the students., Conclusion: Healthcare students generally possessed positive attitudes towards help-seeking and persons with mental illness, though they preferred not to disclose their own mental health condition. Academic curriculum may need to enhance the component of mental health training, particularly on reducing stigma in certain groups of students., Competing Interests: Competing interests: None declared., (© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)
- Published
- 2017
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39. Magnetic reconnection in the near Venusian magnetotail.
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Zhang TL, Lu QM, Baumjohann W, Russell CT, Fedorov A, Barabash S, Coates AJ, Du AM, Cao JB, Nakamura R, Teh WL, Wang RS, Dou XK, Wang S, Glassmeier KH, Auster HU, and Balikhin M
- Abstract
Observations with the Venus Express magnetometer and low-energy particle detector revealed magnetic field and plasma behavior in the near-Venus wake that is symptomatic of magnetic reconnection, a process that occurs in Earth's magnetotail but is not expected in the magnetotail of a nonmagnetized planet such as Venus. On 15 May 2006, the plasma flow in this region was toward the planet, and the magnetic field component transverse to the flow was reversed. Magnetic reconnection is a plasma process that changes the topology of the magnetic field and results in energy exchange between the magnetic field and the plasma. Thus, the energetics of the Venus magnetotail resembles that of the terrestrial tail, where energy is stored and later released from the magnetic field to the plasma.
- Published
- 2012
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40. Gadobenate dimeglumine-enhanced MRI of the breast: analysis of dose response and comparison with gadopentetate dimeglumine.
- Author
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Knopp MV, Bourne MW, Sardanelli F, Wasser MN, Bonomo L, Boetes C, Müller-Schimpfle M, Hall-Craggs MA, Hamm B, Orlacchio A, Bartolozzi C, Kessler M, Fischer U, Schneider G, Oudkerk M, Teh WL, Gehl HB, Salerio I, Pirovano G, La Noce A, Kirchin MA, and Spinazzi A
- Subjects
- Adult, Aged, Aged, 80 and over, Dose-Response Relationship, Drug, Double-Blind Method, Female, Humans, Injections, Intravenous, Middle Aged, Reproducibility of Results, Sensitivity and Specificity, Severity of Illness Index, Time Factors, Breast Neoplasms pathology, Contrast Media administration & dosage, Gadolinium DTPA administration & dosage, Magnetic Resonance Imaging, Meglumine administration & dosage, Meglumine analogs & derivatives, Organometallic Compounds administration & dosage
- Abstract
Objective: The purpose of this study was to evaluate the clinical efficacy and dose response relationship of three doses of gadobenate dimeglumine for MRI of the breast and to compare the results with those obtained after a dose of 0.1 mmol/kg of body weight of gadopentetate dimeglumine. SUBJECTS AND METHODS. Gadobenate dimeglumine at 0.05, 0.1, or 0.2 mmol/kg of body weight or gadopentetate dimeglumine at 0.1 mmol/kg of body weight was administered by IV bolus injection to 189 patients with known or suspected breast cancer. Coronal three-dimensional T1-weighted gradient-echo images were acquired before and at 0, 2, 4, 6, and 8 min after the administration of the dose. Images were evaluated for lesion presence, location, size, morphology, enhancement pattern, conspicuity, and type. Lesion signal intensity-time curves were acquired, and lesion matching with on-site final diagnosis was performed. A determination of global lesion detection from unenhanced to contrast-enhanced and combined images was performed, and evaluations were made of the diagnostic accuracy for lesion detection and characterization. A full safety evaluation was conducted., Results: Significant dose-related increases in global lesion detection were noted for patients who received gadobenate dimeglumine (p < 0.04, all evaluations). The sensitivity for detection was comparable for 0.1 and 0.2 mmol/kg of gadobenate dimeglumine, and specificity was highest with the 0.1 mmol/kg dose. Higher detection scores and higher sensitivity values for lesion characterization were found for 0.1 mmol/kg of gadobenate dimeglumine compared with 0.1 mmol/kg of gadopentetate dimeglumine, although more variable specificity values were obtained. No differences in safety were observed, and no serious adverse events were reported., Conclusion: Gadobenate dimeglumine is a capable diagnostic agent for MRI of the breast. Although preliminary, our results suggest that 0.1 mmol/kg of gadobenate dimeglumine may offer advantages over doses of 0.05 and 0.2 mmol/kg of gadobenate dimeglumine and 0.1 mmol/kg of gadopentetate dimeglumine for breast lesion detection and characterization.
- Published
- 2003
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41. Ultrasound guided core biopsy of suspicious mammographic calcifications using high frequency and power Doppler ultrasound.
- Author
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Teh WL, Wilson AR, Evans AJ, Burrell H, Pinder SE, and Ellis IO
- Subjects
- Biopsy, Needle methods, Breast Diseases diagnostic imaging, Breast Diseases pathology, Breast Neoplasms pathology, Calcinosis pathology, Female, Humans, Mammography, Prospective Studies, Ultrasonography, Doppler, Breast Neoplasms diagnostic imaging, Calcinosis diagnostic imaging, Ultrasonography, Interventional methods, Ultrasonography, Mammary methods
- Abstract
Aim: The pre-operative diagnosis of suspicious mammographic microcalcifications usually requires stereotactic needle biopsy. The aim of this study was to evaluate if high frequency 13 MHz ultrasound (HFUS) and power Doppler (PD) can aid visualization and biopsy of microcalcifications., Materials and Methods: Forty-four consecutive patients presenting with microcalcifications without associated mammographic or palpable masses were examined with HFUS and PD. Ultrasound-guided core biopsy (USCB) was performed where possible. Stereotactic biopsy was carried out when US-guided biopsy was unsuccessful. Surgery was performed if a diagnosis of malignancy was made on core biopsy or if the repeat core biopsy was non-diagnostic., Results: Forty-one patients (93%) had ultrasound abnormalities corresponding to mammographic calcification. USCB was performed on 37 patients. In 29/37, USCB obtained a definitive result (78.4%). USCB was non-diagnostic in 4/9 benign (44.4%) and 4/28 (14.3%) malignant lesions biopsied. The complete and absolute sensitivities for malignancy using USCB were 85.7% (24/28) and 81% (23/28), respectively. USCB correctly identified invasive disease in 12/23 (52.2%) cases. There was no significant difference in the presence of abnormal flow on PD between benign and malignant lesions. However, abnormal PD vascularity was present in 43.5% of invasive cancer and was useful in directing successful biopsy in eight cases., Conclusion: The combination of high frequency US with PD is useful in the detection and guidance of successful needle biopsy of microcalcifications particularly where there is an invasive focus within larger areas of DCIS., (Copyright 2000 The Royal College of Radiologists.)
- Published
- 2000
- Full Text
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42. Remission of Crohn's disease following allogeneic bone marrow transplant for acute leukaemia.
- Author
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Talbot DC, Montes A, Teh WL, Nandi A, and Powles RL
- Subjects
- Adult, Antibiotics, Antineoplastic administration & dosage, Antimetabolites, Antineoplastic administration & dosage, Bone Marrow Purging methods, Cytarabine administration & dosage, Daunorubicin administration & dosage, Drug Therapy, Combination, Humans, Immunosuppressive Agents administration & dosage, Male, Thioguanine administration & dosage, Transplantation, Homologous, Bone Marrow Transplantation, Crohn Disease therapy, Leukemia, Myeloid, Acute therapy
- Published
- 1998
43. Definitive non-surgical breast diagnosis: the role of the radiologist.
- Author
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Teh WL, Evans AJ, and Wilson AR
- Subjects
- Biopsy, Needle methods, Female, Humans, Stereotaxic Techniques instrumentation, Ultrasonography, Interventional methods, Breast Neoplasms diagnosis, Radiology, Interventional methods
- Published
- 1998
- Full Text
- View/download PDF
44. The significance of ipsilateral leg ischaemia after renal transplantation.
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Teh WL, King CM, and Dacie JE
- Subjects
- Arterial Occlusive Diseases diagnostic imaging, Arterial Occlusive Diseases etiology, Arterial Occlusive Diseases therapy, Humans, Iliac Artery diagnostic imaging, Ischemia therapy, Male, Middle Aged, Radiography, Risk Factors, Ischemia etiology, Kidney Transplantation adverse effects, Leg blood supply
- Abstract
We present three renal transplant patients who have been investigated for leg ischaemia on the side of the transplant. All were men aged between 50 and 57 years. Two had an iliac stenosis proximal to the transplant kidney and were treated successfully by percutaneous transluminal angioplasty. The other, with an internal iliac anastomosis, had occlusion of the external iliac artery and underwent femoro-femoral bypass grafting. Eight years later, almost 17 years after transplantation, this hyperlipidaemic patient was found to have an internal iliac origin stenosis proximal to the transplant kidney and also underwent successful angioplasty. In patients with functioning renal transplants, symptoms of arterial insufficiency in the ipsilateral leg should be investigated urgently because a proximal iliac stenosis potentially threatens graft survival.
- Published
- 1995
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45. Possible penicillin allergy after eating chicken.
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Teh WL and Rigg AS
- Subjects
- Adult, Animals, Chickens, Humans, Male, Drug Hypersensitivity etiology, Food Contamination, Penicillins adverse effects
- Published
- 1992
- Full Text
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46. Plague in Manchuria: I. Observations made during and after the Second Manchurian Plague Epidemic of 1920-21. II. The Rôle of the Tarabagan in the Epidemiology of Plague.
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Teh WL, Han CW, and Pollitzer R
- Published
- 1923
- Full Text
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47. Plague in the Orient with Special Reference to the Manchurian Outbreaks.
- Author
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Teh WL
- Published
- 1922
- Full Text
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48. The Second Pneumonic Plague Epidemic in Manchuria, 1920-21: I. A General Survey of the Outbreak and Its Course.
- Author
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Teh WL
- Published
- 1923
- Full Text
- View/download PDF
49. Clinical Observations upon the Manchurian Plague Epidemic, 1920-21.
- Author
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Teh WL, Chun JW, and Pollitzer R
- Published
- 1923
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