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Mahendran R, Lim HMA, Kua EH. Medical students' experiences in learning the Mental State Examination with standardized patients. Asia Pac Psychiatry 2019; 11:e12360. [PMID: 31099967 DOI: 10.1111/appy.12360] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 04/19/2019] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Standardized patients are widely used in psychiatry teaching and examinations, but their effectiveness in teaching psychopathology and the Mental State Examination in particular has not been established. A mixed-methods study was undertaken amongst fourth year medical students during a psychiatry rotation to explore the usefulness of learning the Mental State Examination with standardized patients compared with real patients. METHODS Qualitative semistructured interviews (N = 10) were done to explore learning experiences with standardized patients. The Experience with Standardized Patients Scale was used (N = 200) for the quantitative assessment in relation to examination performance and learning experience. RESULTS In qualitative interviews, the common themes were that the experience with standardized patients was not natural and made it difficult to suspend disbelief, but students recognized the usefulness of standardized patients for practicing their skills. While there was no significant relationship between overall student experiences with standardized patients and their examination performance in the end-of-rotation Observed Standardized Clinical Examination (P = .40), the exception was with those who perceived they learnt more communication skills with standardized patients (P = .002). Students' experience with standardized patients role-playing psychotic disorders was poorest compared with standardized patients role-playing depressive and neurotic disorders. There were statistically significant differences in experiences between the three diagnostic groups. DISCUSSION Standardized patients are useful in psychiatry for students to practice and improve their skills in eliciting psychopathology. However, attention to the training and selection of these individuals for psychiatric roles are crucial.
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Liu J, Subramaniam M, Chong SA, Mahendran R. A systematic examination of cognitive emotion regulation strategies, global emotion dysregulation, and cognitive insight in relation to posttraumatic stress disorder symptoms among trauma exposed patients with early nonaffective psychosis. ACTA ACUST UNITED AC 2019; 14:1184-1191. [DOI: 10.1037/tra0000531] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Chan SP, Yong PZ, Sun Y, Mahendran R, Wong JCM, Qiu C, Ng TP, Kua EH, Feng L. Associations of Long-Term Tea Consumption with Depressive and Anxiety Symptoms in Community-Living Elderly: Findings from the Diet and Healthy Aging Study. JPAD-JOURNAL OF PREVENTION OF ALZHEIMERS DISEASE 2019; 5:21-25. [PMID: 29405228 DOI: 10.14283/jpad.2017.20] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To examine the association between long-term tea consumption and depressive and anxiety symptoms in community-living elderly. DESIGN Community based cross-sectional study. SETTING The Diet and Healthy Aging Study (DaHA), a prospective cohort study in Singapore. PARTICIPANTS 614 elderly aged 60 years and above, who were free of dementia and cognitive impairment. MEASUREMENTS Information on tea consumption was obtained through interviewer-administered questionnaire. Long-term tea drinking was defined as regular consumption for at least 15 years. Depressive and anxiety symptoms were measured using the 15-item Geriatric Depression Scale (GDS-15) and the 20-item Geriatric Anxiety Inventory (GAI), respectively. A generalized structural equation model (gSEM) was applied to ascertain the association between long-term tea consumption and depressive and anxiety symptoms. RESULTS About 59% of the subjects had consumed tea for over 15 years. Long term tea consumption was significantly associated with a reduced odds of having depressive and anxiety symptoms, after adjusting for demographics (i.e., age, gender, education and ethnicity), comorbid conditions (i.e., heart disease, diabetes, stroke, hypertension and hyperlipidaemia) and long-term coffee consumption. CONCLUSION There was evidence suggesting that long-term tea consumption was associated with reduced depressive and anxiety symptoms among community-living elderly. This suggests that it is worthwhile to further investigate the role of tea's bioactive compounds in promoting mental health in aging.
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Loh KWJ, Ng T, Choo SP, Saw HM, Mahendran R, Tan C, Chang GCY, Ong YJ, Yee ACP, Chan A, Soo KC. Cancer Supportive and Survivorship Care in Singapore: Current Challenges and Future Outlook. J Glob Oncol 2019; 4:1-8. [PMID: 30241247 PMCID: PMC6223422 DOI: 10.1200/jgo.17.00117] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Despite being a relatively young nation, Singapore has established itself as a leading multifaceted medical hub, both regionally and globally. Although Singapore continues to pursue excellence in oncology care, cancer supportive care and survivorship care remain in the infancy stage. In an effort to advance this important aspect of oncology care in Singapore, the first cancer supportive and survivorship care forum was held in December 2016, involving 74 oncology practitioners. The primary goals of this forum were to raise awareness of the importance of cancer supportive and survivorship care and to provide a platform for oncology practitioners of diverse backgrounds to converge and address the challenges associated with the delivery of cancer supportive and survivorship care in Singapore. Key challenges identified during this forum included, but were not limited to, care fragmentation in an oncologist-centric model of care, poor integration of allied health and rehabilitation services, passive engagement of community partners, lack of specialized skill sets and knowledge in supportive and survivorship care, and patient-related barriers such as poor health literacy. The survivorship care model commonly used in Singapore places an imbalanced emphasis on surveillance for cancer recurrence and second primary cancers, with little attention given to the supportive and survivorship needs of the survivors. In summary, these challenges set the stage for the development and use of a more survivor-centric model, one that focuses not only on cancer surveillance, but also on the broad and unique physical and psychosocial needs of survivors of cancer in Singapore.
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Pragna CH, Ranjitha Gracy TK, Mahendran R, Anandharamakrishnan C. Effects of Microwave and Cold Plasma Assisted Hydrodistillation on Lemon Peel Oil Extraction. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2019. [DOI: 10.1515/ijfe-2019-0093] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractThis study aimed to investigate the effect of low-pressure dielectric barrier discharge (DBD) plasma on microwave-assisted hydrodistillation of lemon peel oil extraction. Microwave pre-treated lemon peel powder was exposed to plasma treatment (1.0, 1.5, 2.0, and 2.5 kV) for 10 min. The treated lemon peel powders were subjected to hydrodistillation to extract the essential oil and the extraction yields were calculated. The extracted oil was analyzed for chemical composition with gas chromatography-mass spectrometry (GC-MS). Effect of plasma on the surface morphology of the lemon peel was observed in a scanning electron microscope (SEM) which revealed the formation of fissures and cracks owing to the higher extraction yield. Plasma treatment at 2.5 kV was observed higher extraction yield than conventional hydrodistillation (149.34 % rise) and the chemical composition of plasma treated sample essential oil remains significantly unchanged. Thus, DBD plasma could be a promising technique to enhance the lemon peel essential oil extraction.
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Picco L, Seow E, Chua BY, Mahendran R, Verma S, Xie H, Wang J, Chong SA, Subramaniam M. Help-seeking beliefs for mental disorders among medical and nursing students. Early Interv Psychiatry 2019; 13:823-831. [PMID: 29740952 PMCID: PMC6635751 DOI: 10.1111/eip.12673] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 02/05/2018] [Accepted: 03/13/2018] [Indexed: 12/01/2022]
Abstract
AIM The current study aimed to investigate beliefs about help-seeking, treatment options and expected outcomes for people with alcohol abuse, dementia, depression, obsessive-compulsive disorder and schizophrenia, using a vignette-based approach, among a sample of nursing and medical students. METHODS This was a cross-sectional online study among medical and nursing students (n = 1002) who were randomly assigned 1 of 5 vignettes. Questions were asked about whom could best help the person in the vignette, the likely helpfulness of a broad range of interventions, and the likely outcome for the person in the vignette with and without appropriate help. RESULTS A total of 45.1% of students recommended seeing a psychiatrist, which was the most common source of help reported for all 5 vignettes. Help-seeking preferences were significantly associated with age, academic year and vignette type. Respondents rated seeing a psychiatrist as the most helpful intervention (92.4%) and dealing with the problem on their own as the most harmful (68.1%). Then, 81.5% of students indicated that the condition of the person in the vignette would worsen if appropriate help was not sought. CONCLUSION Medical and nursing students most commonly recommended seeking help from a psychiatrist for mental health-related problems, where help-seeking preferences were associated with various age, academic year and vignette type. As these students will be the future medical and nursing workforce, they need to be equipped with the skills and ability to recognize signs and symptoms of mental illness, to aid timely and appropriate treatment for people with mental illness.
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Dong M, Zeng LN, Zhang Q, Ungvari GS, Ng CH, Chiu HFK, Si TM, Sim K, Avasthi A, Grover S, Chong MY, Chee KY, Kanba S, Lee MS, Yang SY, Udomratn P, Kallivayalil RA, Tanra AJ, Maramis MM, Shen WW, Sartorius N, Mahendran R, Tan CH, Shinfuku N, Xiang YT. Concurrent antipsychotic use in older adults treated with antidepressants in Asia. Psychogeriatrics 2019; 19:333-339. [PMID: 30734411 DOI: 10.1111/psyg.12416] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 10/15/2018] [Accepted: 12/24/2018] [Indexed: 12/23/2022]
Abstract
AIM Depressive disorders are common in old age. Antipsychotics (APs) are often used as an adjunctive treatment with antidepressants (ADs) in this population but its patterns of use in Asia are not known. This study explored the rate of combination of APs and ADs in older adult psychiatric patients in Asia. METHODS This is a secondary analysis of the database of a multicentre study which recorded participants' basic demographical and clinical data in standardised format in 10 Asian countries and territories. The data were analysed using univariate and multivariate logistic regression analyses. RESULTS A total of 955 older adult psychiatric in- and outpatients were included in this study. The proportion of concurrent AP and AD use was 32.0%, ranging from 23.3% in Korea to 44.0% in Taiwan. Multivariate logistic regression analysis found that younger age, inpatient status and diagnosis of schizophrenia, anxiety and other mental disorders were significantly related to a higher proportion of concurrent use of APs and ADs. CONCLUSION Around a third of older adult psychiatric patients had concurrent AP and AD use in the Asian countries/regions surveyed. Considering the uncertain effectiveness and questionable safety of the AP and AD combination in this patient population, such should be cautiously used.
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Gollins CE, Carpenter A, Steen C, Bulinski H, Mahendran R. A retrospective analysis of the use of tap water iontophoresis for focal hyperhidrosis at a district general hospital: the patients’ perspective. J DERMATOL TREAT 2019; 30:724-726. [DOI: 10.1080/09546634.2019.1569751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Vanitha J, Amudha K, Mahendran R, Srinivasan J, Kumari RU. A Review on Molecular Marker Analysis for Yield and its Component Traits under Water Stress and Zinc Deficiency Tolerance in Rice. ACTA ACUST UNITED AC 2019. [DOI: 10.20546/ijcmas.2019.805.119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Rifna E, Ratish Ramanan K, Mahendran R. Emerging technology applications for improving seed germination. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.02.029] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Liew TM, Yap P, Ng TP, Mahendran R, Kua EH, Feng L. Symptom clusters of subjective cognitive decline amongst cognitively normal older persons and their utilities in predicting objective cognitive performance: structural equation modelling. Eur J Neurol 2019; 26:1153-1160. [PMID: 30924985 DOI: 10.1111/ene.13958] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Accepted: 03/18/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND AND PURPOSE Prior literature on subjective cognitive decline (SCD) has mostly focused on memory complaints. It is uncertain whether the other non-memory complaints are equally relevant and can be used, alongside memory complaints, to identify populations at high risk of cognitive impairment. How the memory and non-memory complaints of SCD cluster with each other amongst community-dwelling individuals was investigated, and the differential utility of the symptom clusters of SCD in predicting objective cognitive performance was evaluated. METHODS This study included 736 participants who were ≥60 years and had normal cognition, using the baseline data of an ongoing cohort study. Participants completed baseline assessments which comprised an SCD scale, a global cognitive measure and neuropsychological tests. Symptom clusters of SCD - as identified from exploratory and confirmatory factor analyses - were included in structural equation models to predict baseline changes in neuropsychological tests. RESULTS The symptoms of SCD were split into two distinct factors, of which factor 1 was reported much more frequently than factor 2. Each standard deviation (SD) increment in factor 1 led to a 0.16-0.50 SD increase in global cognition, immediate memory, visuospatial abilities, language, attention and delayed memory (P < 0.05). In contrast, each SD increment in factor 2 worsened some of the cognitive domains by 0.18-0.37 SD. CONCLUSIONS The various complaints of SCD can have different implications amongst cognitively normal older persons and may possibly be classified into age-related symptoms and pathological symptoms. The findings highlight the need for caution when selecting SCD measures, and illustrate the potential utility of SCD subtypes to inform on the underlying neurobiology.
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Samari E, Seow E, Chua BY, Ong HL, Lau YW, Mahendran R, Verma SK, Xie H, Wang J, Chong SA, Subramaniam M. Attitudes towards psychiatry amongst medical and nursing students in Singapore. BMC MEDICAL EDUCATION 2019; 19:91. [PMID: 30917834 PMCID: PMC6437870 DOI: 10.1186/s12909-019-1518-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 03/12/2019] [Indexed: 05/28/2023]
Abstract
BACKGROUND A shortage of specialists in psychiatry, both in terms of psychiatrists and psychiatric nurses is evident worldwide. While there are multiple factors leading to an individual's decision to specialize in psychiatry, the individual's perceptions and attitudes towards psychiatry tend to play an essential role. This study thus aimed to explore attitudes towards psychiatry amongst medical and nursing students in Singapore and examine factors associated with these attitudes. METHODS The present cross-sectional study used an online web survey tool to assess attitudes towards psychiatry amongst 502 medical and 500 nursing students in Singapore using the Attitudes towards Psychiatry (ATP-18) scale. Descriptive statistics and multiple linear regressions were used to examine associated factors (sociodemographic and education). RESULTS The majority of students in this population endorsed favourable attitudes towards the following aspects of psychiatry: challenges within psychiatry, importance of psychiatry and psychiatric skills, treatment efficacy and view towards psychiatrists, but had generally unfavourable attitudes towards psychiatric patients. Male participants (compared to female; β = - 1.190, p < 0.05), participants in the middle income group (compared to higher income group; β = - 0.945, p < 0.05), participants who rated average for psychiatry lecture course and psychiatry clinical placement course (compared to above average; β = - 1.654, p < 0.05; β = - 1.181, p < 0.05) had a less favourable attitude to psychiatry. Not surprisingly, participants who were more likely to specialize in psychiatry (β = 2.053, p < 0.001) had a more favourable attitude towards psychiatry compared to those who were less likely to specialize in psychiatry. CONCLUSIONS The majority of students in this study endorsed unfavourable attitudes towards patients in the psychiatric setting. The present psychiatry curriculum could be improved to nurture the development of empathetic attitudes towards people with mental illness. De-stigmatization strategies could also be integrated into other curricula besides psychiatry.
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Dong Y, Ling MTY, Ng KET, Wang A, Wan EYS, Merchant RA, Venketasubramanian N, Chen CLH, Mahendran R, Collinson SL. The Clinical Utility of the TYM and RBANS in a One-Stop Memory Clinic in Singapore: A Pilot Study. J Geriatr Psychiatry Neurol 2019; 32:68-73. [PMID: 30630388 DOI: 10.1177/0891988718824034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND We aimed to examine the discriminant validity of a brief self-administered cognitive screening test, the Test Your Memory (TYM) and a brief neuropsychological test, the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS), supplemented with executive and language tests (Color Trail Test [CTT] and modified Boston Naming Test [mBNT], respectively), in detecting cognitive impairment (CI) in a one-stop memory clinic in Singapore. METHODS Ninety patients ≥50 years old with a diagnosis of no cognitive impairment, mild cognitive impairment, and mild Alzheimer disease were recruited from memory clinic. They received the TYM, Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MoCA), RBANS, CTT, mBNT, and a gold-standard formal neuropsychological test battery. RESULTS The TYM had a significantly larger area under the curve (AUC) than MMSE (0.96 vs 0.88, P = .03) and was equivalent to MoCA in detecting CI (0.96 vs 0.95, P = .80). At the optimal cutoff points, the TYM (<38) was significantly more sensitive than the MMSE (<24) and MoCA (<20; P < .001). The RBANS had an AUC equivalent to the RBANS supplemented with CTT and mBNT (0.92 vs 0.86, P = .22) in detecting CI. The RBANS supplemented with CTT and mBNT was more sensitive than RBANS alone in detecting CI (sensitivity: 0.98 vs 0.93, P = .016) among patients screened negative using TYM. CONCLUSION The self-administered TYM is superior to MMSE and equivalent to MoCA in detecting CI and could be implemented routinely. The RBANS supplemented with CTT and mBNT is more sensitive in detecting CI than RBANS alone therefore could be used for diagnostic purposes.
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Yu J, Collinson SL, Liew TM, Ng TP, Mahendran R, Kua EH, Feng L. Super-cognition in aging: Cognitive profiles and associated lifestyle factors. APPLIED NEUROPSYCHOLOGY-ADULT 2019; 27:497-503. [PMID: 30793954 DOI: 10.1080/23279095.2019.1570928] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Previous research on older adults with superior cognitive abilities (super-cognition) has typically examined cognition using a single domain approach, which may not adequately capture the multidimensional nature of successful cognitive aging. Furthermore, the lifestyle factors associated with super-cognition have not been studied adequately. The current study examined the cognitive profiles and lifestyle factors associated with super-cognition. Community-dwelling older adults (N = 693) were administered neuropsychological tests and self-reported measures of lifestyle factors at midlife (retrospectively recalled). Then, using an a priori set of criteria, we classified them as super-cognition or normal. A latent class analysis was conducted to examine the different cognitive profiles of super-cognition, and both groups were compared on their lifestyle-related outcomes. A total of 64 and 263 participants met the criteria for super-cognition and normal participants respectively. A three-class solution best described super-cognition among our participants. Approximately half of them had superior immediate memory; two other smaller groups of participants with super-cognition had superior attention, language, and visuospatial abilities. Participants with super-cognition reported less participation in social activities and, frequently, working more than 9 hours/day and feeling stressed, at midlife. Super-cognition among the elderly is associated with having a busier, more socially-isolated and stressful midlife.
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Ratish Ramanan K, Rifna E, Mahendran R. Effect of concentration and temperature on the formation of wheat hydrogel and xerogel pattern. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.09.075] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Mahendran R, Gandhi M, Moorakonda RB, Wong J, Kanchi MM, Fam J, Rawtaer I, Kumar AP, Feng L, Kua EH. Art therapy is associated with sustained improvement in cognitive function in the elderly with mild neurocognitive disorder: findings from a pilot randomized controlled trial for art therapy and music reminiscence activity versus usual care. Trials 2018; 19:615. [PMID: 30413216 PMCID: PMC6230219 DOI: 10.1186/s13063-018-2988-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 10/15/2018] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Mild cognitive impairment (MCI) is a phase in cognitive decline when it is still possible to intervene to reverse the decline. Cognitive stimulation delivered through psychosocial interventions provides both psychological intervention and social stimulation to improve cognition. A pilot open-label parallel-arms randomized controlled trial was undertaken to examine the effects of art therapy (AT) and music reminiscence activity (MRA) compared to the control, on the primary outcome of neurocognitive domain assessments in elderly people with MCI. METHODS Community-living elderly people with MCI (Petersen's criteria), assessed for study eligibility, were randomized using a web-based system with equal allocation to two intervention arms: AT (guided viewing of art pieces and production of visual arts) and MRA (listening, and recalling memories related to music) and a control arm (standard care without any intervention). Interventions were led by trained therapists weekly for 3 months, then fortnightly for 6 months. Neurocognitive domains (mean of memory, attention, and visuo-spatial abilities standardized scores), psychological wellbeing (subsyndromal depression and anxiety) and telomere length as a biological marker of cellular ageing, were assessed by intervention-blinded assessors at baseline, 3 months and 9 months. RESULTS In total, 250 people were screened and 68 were randomized and included in the analysis. In the AT arm, neurocognitive domains improved compared to the control arm at 3 months (mean difference (d) = 0.40; 90% CI 0.126, 0.679) and were sustained at 9 months (d = 0.31; 90% CI 0.068, 0.548). There was some improvement in depression and anxiety at 3 and 9 months and in telomere length at 9 months, but this was not significant. Similar improvements were observed in the MRA arm over the control arm, but they were not significant. There were no intervention-related adverse effects. CONCLUSIONS Art therapy delivered by trained staff as "art as therapy" and "art psychotherapy" may have been the significant contributor to cognitive improvements. The findings support cognitive stimulation for elderly people with cognitive decline and signal the need for larger studies and further investigation of carefully designed psycho-social interventions for this group. TRIAL REGISTRATION Clinical Trials.gov, NCT02854085 . Registered on 7 July 2016.
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Zhong XM, Dong M, Wang F, Zhang Q, Ungvari GS, Ng CH, Chiu HFK, Si TM, Sim K, Avasthi A, Grover S, Chong MY, Chee KY, Kanba S, Lee MS, Yang SY, Udomratn P, Kallivayalil RA, Tanra AJ, Maramis MM, Shen WW, Sartorius N, Mahendran R, Tan CH, Shinfuku N, Xiang YT. Physical comorbidities in older adults receiving antidepressants in Asia. Psychogeriatrics 2018; 18:351-356. [PMID: 29989257 DOI: 10.1111/psyg.12327] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Revised: 11/20/2017] [Accepted: 02/03/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND The present study explored the patterns of physical comorbidities and their associated demographic and clinical factors in older psychiatric patients prescribed with antidepressants in Asia. METHODS Demographic and clinical information of 955 older adults were extracted from the database of the Research on Asian Psychotropic Prescription Patterns for Antidepressants (REAP-AD) project. Standardized data collection procedure was used to record demographic and clinical data. RESULTS Proportion of physical comorbidities in this cohort was 44%. Multiple logistic regression analyses showed that older age (OR = 1.7, P < 0.001), higher number of depressive symptoms (OR = 1.09, P = 0.016), being treated in psychiatric hospital (OR = 0.5, P = 0.002), living in high income countries/territories (OR = 2.4, P = 0.002), use of benzodiazepines (OR = 1.4, P = 0.013) and diagnosis of 'other psychiatric disorders' (except mood, anxiety disorders and schizophrenia) (OR = 2.7, P < 0.001) were significantly associated with physical comorbidities. CONCLUSIONS Physical comorbidities in older patients prescribed with antidepressants were common in Asia. Integrating physical care into the treatment of older psychiatric patients should be urgently considered.
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Tan JYS, Lam KFY, Lim HA, Chua SM, Kua EH, Griva K, Mahendran R. Post-intervention sustainability of a brief psycho-educational support group intervention for family caregivers of cancer patients. Asia Pac Psychiatry 2018; 10:e12305. [PMID: 29226634 DOI: 10.1111/appy.12305] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/19/2017] [Accepted: 10/27/2017] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Family caregivers of cancer patients experience many negative effects due to the heavy responsibility involved. Although various psychosocial interventions have been found to improve caregivers' quality of life (QOL), the sustainability of the benefits of these interventions over time has been less consistently investigated and hence less clearly established. Extending previous research on the immediate post-intervention effects, this study aims to examine the trajectories of change in caregivers QOL over an 8-week follow-up period. METHODS Caregivers of patients attending an outpatient clinic at a cancer center in Singapore were recruited. Participants had to fulfill the following criteria: (a) between 21 and 74 years; (b) willing to attend hour-long weekly programs for 4 weeks; (c) able to understand, speak, and read English; (d) a family member living with and providing care and support for the patient; and (e) provide written informed consent. Participants completed the Caregiver QOL-Cancer scale at baseline, immediately post-intervention, and at 4 and 8 weeks after the end of the intervention. Data from 56 participants were analyzed. RESULTS Majority of participants exhibited a stable trajectory of change in their QOL, while a small number of participants either improved or declined. DISCUSSION Understanding the sustainability of the effects of the intervention is important in determining the need to initiate periodic "booster" sessions to provide consistent support for caregivers. Further research could investigate the sustainability over an even longer period, as well as intra-individual change trajectories using growth modeling among a larger sample.
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Seow LSE, Chua BY, Mahendran R, Verma S, Ong HL, Samari E, Chong SA, Subramaniam M. Psychiatry as a career choice among medical students: a cross-sectional study examining school-related and non-school factors. BMJ Open 2018; 8:e022201. [PMID: 30121607 PMCID: PMC6104786 DOI: 10.1136/bmjopen-2018-022201] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES Given the low recruitment to psychiatry worldwide, the current study aimed to examine how premedical and intramedical school factors, perception of career aspects, attitudes towards psychiatry, stigma towards mental illness and personality traits may affect the likelihood of psychiatry as a career choice. DESIGN Cross-sectional online study. PARTICIPANTS 502 medical students from two public medical institutions in Singapore. METHODS We critically examined existing literature for factors identified to influence psychiatry as a career choice and explored their effects in a group of medical students in Singapore. To avoid overloading the regression model, this analysis only included variables shown to have significant association (p<0.05) with the outcome variable from the initial Χ2 test and independent t-test analyses. RESULTS A considerable number of non-medical school factors such as preschool influence and interest, personality traits and importance of a high status specialty in medicine were found to affect students' choice of psychiatry as a career. Among medical school factors, attending a psychiatry/mental health club was the only influential factor. Negative attitudes towards psychiatry, but not stigma towards people with mental illness, significantly predicted the likelihood of not choosing psychiatry as a career. CONCLUSIONS Improving educational environment or teaching practice in psychiatric training may aid in future recruitment for psychiatrists. While the changing of premedical school influences or personality factors may be infeasible, medical schools and psychiatry institutes could play a more critical role by enhancing enrichment activities or clerkship experience to bring about a more positive attitudinal change towards psychiatry among students who did consider a career in psychiatry.
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Ng KST, Sia A, Ng MKW, Tan CTY, Chan HY, Tan CH, Rawtaer I, Feng L, Mahendran R, Larbi A, Kua EH, Ho RCM. Effects of Horticultural Therapy on Asian Older Adults: A Randomized Controlled Trial. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15081705. [PMID: 30096932 PMCID: PMC6121514 DOI: 10.3390/ijerph15081705] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 08/01/2018] [Accepted: 08/07/2018] [Indexed: 01/17/2023]
Abstract
The effect of horticultural therapy (HT) on immune and endocrine biomarkers remains largely unknown. We designed a waitlist-control randomized controlled trial to investigate the effectiveness of HT in improving mental well-being and modulating biomarker levels. A total of 59 older adults was recruited, with 29 randomly assigned to the HT intervention and 30 to the waitlist control group. The participants attended weekly intervention sessions for the first 3 months and monthly sessions for the subsequent 3 months. Biological and psychosocial data were collected. Biomarkers included IL-1β, IL-6, sgp-130, CXCL12/SDF-1α, CCL-5/RANTES, BDNF (brain-derived neurotrophic factor), hs-CRP, cortisol and DHEA (dehydroepiandrosterone). Psychosocial measures examined cognitive functions, depression, anxiety, psychological well-being, social connectedness and satisfaction with life. A significant reduction in plasma IL-6 level (p = 0.02) was observed in the HT intervention group. For the waitlist control group, significant reductions in plasma CXCL12 (SDF-1α) (p = 0.003), CXCL5 (RANTES) (p = 0.05) and BDNF (p = 0.003) were observed. A significant improvement in social connectedness was also observed in the HT group (p = 0.01). Conclusion: HT, in reducing plasma IL-6, may prevent inflammatory disorders and through maintaining plasma CXCL12 (SDF-1α), may maintain hematopoietic support to the brain. HT may be applied in communal gardening to enhance the well-being of older adults.
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Liu J, Peh CX, Simard S, Griva K, Mahendran R. Beyond the fear that lingers: The interaction between fear of cancer recurrence and rumination in relation to depression and anxiety symptoms. J Psychosom Res 2018; 111:120-126. [PMID: 29935744 DOI: 10.1016/j.jpsychores.2018.06.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 06/06/2018] [Accepted: 06/08/2018] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The Fear of Cancer Recurrence (FCR) is reported to be a normal response to cancer, but little is known about the interaction between FCR and maladaptive cognitive processes, which may increase the risk for depression and anxiety disorders among cancer survivors. Previous studies have shown the influence of rumination on depression and anxiety in other populations. Thus, the present study aimed to examine how FCR and rumination may relate to depression and anxiety symptoms among cancer survivors. METHODS The present study included cancer survivors (N = 388) who had completed their active treatment at the National University Cancer Institute Singapore, and achieved complete remission from cancer. All participants completed self-report measures of FCR (Fear of Cancer Recurrence Inventory), rumination (Rumination Response Scale), depression, and anxiety symptoms (Hospital Anxiety and Depression Scale). RESULTS The present study observed that (1) FCR and rumination were associated with more severe depression and anxiety symptoms, and (2) the interaction between FCR and rumination was associated with more severe depressive symptoms (p = .01). Specifically, rumination was significantly associated with higher depressive symptoms in individuals with high FCR (p < .001), while rumination was not associated with depressive symptoms in individuals with low FCR (p > .05). CONCLUSION Habitual rumination may be a maladaptive cognitive style to cope with high FCR. Therefore, the present study's findings elucidate the moderating effect of rumination on FCR, and such findings may better inform psychological interventions to reduce the risk of depression and anxiety among cancer survivors who experience high FCR.
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Tan J, Tsakok FHM, Ow EK, Lanskey B, Lim KSD, Goh LG, Tan CH, Cheah IKM, Larbi A, Foo R, Loh M, Wong CKY, Suckling J, Li J, Mahendran R, Kua EH, Feng L. Study Protocol for a Randomized Controlled Trial of Choral Singing Intervention to Prevent Cognitive Decline in At-Risk Older Adults Living in the Community. Front Aging Neurosci 2018; 10:195. [PMID: 30042673 PMCID: PMC6048740 DOI: 10.3389/fnagi.2018.00195] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 06/11/2018] [Indexed: 12/18/2022] Open
Abstract
Introduction: This study is a parallel-arm randomized controlled trial evaluating choral singing’s efficacy and underlying mechanisms in preventing cognitive decline in at-risk older participants. Methods: Three-hundred and sixty community-dwelling, non-demented older participants are recruited for a 2-year intervention. Inclusion criteria are self-reported cognitive complaints, early cognitive impairment based on neuropsychological test scores or multiple risk factors of dementia. Participants are randomized to either weekly choral singing sessions or general health education. The primary outcome is cognitive performance, measured by a composite cognitive test score (CCTS). Secondary outcomes include depression, anxiety and neuropsychiatric symptoms; perceived stress; sleep quality and severity of dementia symptoms. Underlying mechanisms are examined using blood- and urine-based biomarkers and neuroimaging. Results: Screening began in July 2016. The first group of participants (n = 93) have been recruited. Intervention and control treatments are ongoing and will end in December 2019. Discussion: An evidence-based singing intervention for dementia prevention holds potential for healthcare savings and societal welfare. Trial Registration: NCT02919748, IRB Approval Number: NUS 2508.
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Yu J, Lim HY, Abdullah FNDM, Chan HM, Mahendran R, Ho R, Kua EH, Power MJ, Feng L. Directional associations between memory impairment and depressive symptoms: data from a longitudinal sample and meta-analysis. Psychol Med 2018; 48:1664-1672. [PMID: 29113607 DOI: 10.1017/s0033291717003154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Previous cross-lagged studies on depression and memory impairment among the elderly have revealed conflicting findings relating to the direction of influence between depression and memory impairment. The current study aims to clarify this direction of influence by examining the cross-lagged relationships between memory impairment and depression in an Asian sample of elderly community dwellers, as well as synthesizing previous relevant cross-lagged findings via a meta-analysis. METHODS A total of 160 participants (Mage = 68.14, s.d. = 5.34) were assessed across two time points (average of 1.9 years apart) on measures of memory and depressive symptoms. The data were then fitted to a structural equation model to examine two cross-lagged effects (i.e. depressive symptoms→memory; memory→depressive symptoms). A total of 14 effect-sizes for each of the two cross-lagged directions were extracted from six studies (including the present; total N = 8324). These effects were then meta-analyzed using a three-level mixed effects model. RESULTS In the current sample, lower memory ability at baseline was associated with worse depressive symptoms levels at follow-up, after controlling for baseline depressive symptoms. However, the reverse effect was not significant; baseline depressive symptoms did not predict subsequent memory ability after controlling for baseline memory. The results of the meta-analysis revealed the same pattern of relationship between memory and depressive symptoms. CONCLUSIONS These results provide robust evidence that the relationship between memory impairment and depressive symptoms is unidirectional; memory impairment predicts subsequent depressive symptoms but not vice-versa. The implications of these findings are discussed.
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99
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Rawtaer I, Mahendran R, Chan HY, Lei F, Kua EH. A nonpharmacological approach to improve sleep quality in older adults. Asia Pac Psychiatry 2018; 10:e12301. [PMID: 28994200 DOI: 10.1111/appy.12301] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 08/30/2017] [Accepted: 09/12/2017] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Poor sleep quality is highly prevalent among older adults and is associated with poor quality of life, cognitive and physical decline, depression, and increased mortality. Medication options commonly used are not ideal, and alternative treatment strategies are needed. We evaluate a community-based psychosocial intervention program and its effect on sleep quality in older adults. METHOD Elderly participants aged 60 and above were included. Those with Geriatric Depression Scale and Geriatric Anxiety Inventory scores above 5 and 10, respectively, were excluded. The community program included tai chi exercise, art therapy, mindfulness awareness practice, and music reminiscence therapy. Pittsburgh Sleep Quality Index, Geriatric Depression Scale, and Geriatric Anxiety Inventory were administered at baseline and at 1 year. RESULTS A hundred and eighty-nine subjects (44 men, 145 women; mean age = 69 years, SD = 5.7, range = 60-89) participated. The proportion of participants with good sleep quality had increased from 58.2% to 64.6%. Sleep disturbance was significantly reduced (baseline, 1.04; postintervention, 0.76; mean difference 0.28; P < .01); men experienced greater improvement (P < .001). Improvements were independent of changes in depressive and anxiety symptoms. CONCLUSION Participation in this community program led to positive effects on sleep disturbances after a year. Psychosocial interventions have potential as a nondrug intervention approach for sleep problems, and further research is needed to understand its mediating mechanisms.
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Choo J, Ang YL, Tong SI, AU VB, Connolly J, Yap H, Fransiska D, Chia HY, Yee G, Ngo E, Mogro MJ, Mahendran R, Tai BC, Chan GHJ, Wong ALA, Ngoi N, Eng LS, Ow SGW, Goh BC, Lee SC. Early impact of a 12-week exercise intervention program on mental health, quality of life and immune markers in early stage breast cancer patients. J Clin Oncol 2018. [DOI: 10.1200/jco.2018.36.15_suppl.e12571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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