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  1. Tiew PY, Ko FWS, Narayana JK, Poh ME, Xu H, Neo HY, et al.
    Chest, 2020 Jul;158(1):145-156.
    PMID: 32092320 DOI: 10.1016/j.chest.2020.01.043
    BACKGROUND: COPD is a heterogeneous disease demonstrating inter-individual variation. A high COPD prevalence in Chinese populations is described, but little is known about disease clusters and prognostic outcomes in the Chinese population across Southeast Asia. We aim to determine if clusters of Chinese patients with COPD exist and their association with systemic inflammation and clinical outcomes.

    RESEARCH QUESTION: We aim to determine if clusters of Chinese patients with COPD exist and their association with clinical outcomes and inflammation.

    STUDY DESIGN AND METHODS: Chinese patients with stable COPD were prospectively recruited into two cohorts (derivation and validation) from six hospitals across three Southeast Asian countries (Singapore, Malaysia, and Hong Kong; n = 1,480). Each patient was followed more than 2 years. Clinical data (including co-morbidities) were employed in unsupervised hierarchical clustering (followed by validation) to determine the existence of patient clusters and their prognostic outcome. Accompanying systemic cytokine assessments were performed in a subset (n = 336) of patients with COPD to determine if inflammatory patterns and associated networks characterized the derived clusters.

    RESULTS: Five patient clusters were identified including: (1) ex-TB, (2) diabetic, (3) low comorbidity: low-risk, (4) low comorbidity: high-risk, and (5) cardiovascular. The cardiovascular and ex-TB clusters demonstrate highest mortality (independent of Global Initiative for Chronic Obstructive Lung Disease assessment) and illustrate diverse cytokine patterns with complex inflammatory networks.

    INTERPRETATION: We describe clusters of Chinese patients with COPD, two of which represent high-risk clusters. The cardiovascular and ex-TB patient clusters exhibit high mortality, significant inflammation, and complex cytokine networks. Clinical and inflammatory risk stratification of Chinese patients with COPD should be considered for targeted intervention to improve disease outcomes.

    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  2. Wong SC, Stoming TA, Efremov GD, Huisman TH
    Hemoglobin, 1989;13(1):1-5.
    PMID: 2703362
    DNA samples from numerous subjects of different racial and ethnic backgrounds, with or without various hemoglobinopathies (classical beta-thalassemia; silent beta-thalassemia, Hb E, sickle cell anemia), were studied for a rearrangement (+ATA; -T) at nucleotide -530 in the 5' flanking region of the beta-globin gene using amplified DNA and 32P-labeled synthetic oligonucleotide probes. The data show that this unusual sequence is a common feature among East-Asians and Blacks (particularly SS patients), and is not associated with mild thalassemic features typical for the silent form of beta-thalassemia, as has been suggested (5).
    Matched MeSH terms: Asian Continental Ancestry Group/genetics
  3. Greer GJ, Anuar H
    PMID: 6523170
    Using ELISA and COPT diagnostic tests, serological evidence of Malaysian schistosomiasis was discovered among Orang Asli populations from three areas in Peninsular Malaysia. Serum samples collected in 1975 indicated an ELISA-positive prevalence of 25% and a COPT prevalence of 11% from Pos Iskandar, Pahang and an ELISA prevalence of 13% and a COPT of 4% from Bukit Lanjan, Selangor. Resurveys at these site in 1982-1984 showed a continued presence of serological positive individuals but prevalence rates were markedly lower: 7% and 1% for ELISA and 4% and 2% for COPT at Pos Iskandar and Bukit Lanjan respectively. Snail hosts were not found at either site. The source of infection for persons living in these lowland areas remains unknown. In a third area, Kuala Tahan, Pahang, located in the foothills of the central mountain range, foci of transmission have been found near to Orang Asli settlements. The serological prevalence rate among Negrito Orang Asli in that study area was 9% for ELISA and 4% for COPT. Thirty-three of 36 COPT-positive sera produced vacuolated bleb precipates and in 31 these were the only reactions seen. The high percentage of positives producing only these precipates suggests that among Orang Asli schistosomiasis patients such reactions are not an indication of recently acquired infection as has been reported for schistosomiasis patients in the Philippines.
    Matched MeSH terms: Asian Continental Ancestry Group*
  4. Mohd Yusoff N, Shirakawa T, Nishiyama K, Choo KE, Isa MN, Matsuo M
    PMID: 15906717
    Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked red blood cell enzymopathy common in malaria endemic areas. Individuals affected by this disease show a wide variety of clinical signs of acute hemolytic anemia. Mutations of the G6PD gene in the Malay population with G6PD deficiency in Kelantan, a state in North East Malaysia were studied. Ninety-three individuals with G6PD deficiency were subjected to mutation analysis of the G6PD gene using polymerase chain reaction based techniques of multiplex PCR. Of the ninety-three DNA samples studied, molecular defects were identified in 80 cases (86%). Variants were heterogeneous - 28.7% were found to have a G to A nucleotide change at nucleotide 871 of the G6PD gene (G871A), corresponding to G6PD Viangchan. The other major mutations were G6PD Mediterranean, G6PD Vanua Lava, G6PD Coimbra, G6PD Kaiping, G6PD Orissa, G6PD Mahidol, G6PD Canton and G6PD Chatham. These results showed that there are heterogeneous mutations of the G6PD gene associated with G6PD deficiency and that G6PD Viangchan and G6PD Mediterranean account for the main variants in G6PD deficiency among the Malay population in Malaysia.
    Matched MeSH terms: Asian Continental Ancestry Group/genetics
  5. Chin KY, Soelaiman IN, Mohamed IN, Ahmad F, Ramli ES, Aminuddin A, et al.
    Clinics (Sao Paulo), 2013;68(2):159-66.
    PMID: 23525310
    OBJECTIVES: Variations in the prevalence of sex-hormone-related diseases have been observed between Asian ethnic groups living in the same country; however, available data concerning their sex hormone levels are limited. The present study aimed to determine the influence of ethnicity and age on the sex hormone levels of Malay and Chinese men in Malaysia.

    METHODS: A total of 547 males of Malay and Chinese ethnicity residing in the Klang Valley Malaysia underwent a detailed screening, and their blood was collected for sex hormones analyses.

    RESULTS: Testosterone levels were normally distributed in the men (total, free and non-sex hormone-binding globulin (SHBG) bound fractions), and significant ethnic differences were observed (p<0.05); however, the effect size was small. In general, testosterone levels in males began to decline significantly after age 50. Significant ethnic differences in total, free and non-SHBG bound fraction estradiol levels were observed in the 20-29 and 50-59 age groups (p<0.05). The estradiol levels of Malay men decreased as they aged, but they increased for Chinese men starting at age 40.

    CONCLUSIONS: Small but significant differences in testosterone levels existed between Malay and Chinese males. Significant age and race differences existed in estradiol levels. These differences might contribute to the ethnic group differences in diseases related to sex hormones, which other studies have found in Malaysia.

    Matched MeSH terms: Asian Continental Ancestry Group*
  6. Khan AH, Sulaiman SAS, Hassali MA, Khan KU, Ming LC, Mateen O, et al.
    BMC Public Health, 2020 Jun 04;20(1):854.
    PMID: 32498682 DOI: 10.1186/s12889-020-08856-6
    BACKGROUND: Smoking plays a key role in the development of tuberculosis (TB) infection and is also a predictor of poor TB treatment prognosis and outcomes. The current study was conducted to determine the prevalence of smoking and to assess the effects of smoking on treatment outcomes among TB patients.

    METHODS: A multi-center retrospective study design was used to collect data from TB patients in four different states of Malaysia, namely Penang, Sabah, Sarawak, and Selangor. The study included medical records of TB patients admitted to the selected hospitals in the period from January 2006 to March 2009. Medical records with incomplete data were not included. Patient demographics and clinical data were collected using a validated data collection form.

    RESULTS: Of all patients with TB (9337), the prevalence of smokers was 4313 (46.2%). Among smokers, 3584 (83.1%) were associated with pulmonary TB, while 729 (16.9%) were associated with extrapulmonary TB. Male gender (OR = 1.43, 95% CI 1.30-1.58), Chinese ethnicity (OR = 1.23, 95% CI 1.02-1.49), Sarawak indigenous ethnicity (OR = 0.74, 95% CI 0.58-0.95), urban residents (OR = 1.46, 95% CI 1.33-1.61), employed individuals (OR = 1.21, 95% CI 1.09-1.34), alcoholics (OR = 4.91, 95% CI 4.04-5.96), drug abusers (OR = 7.43, 95% CI 5.70-9.60) and presence of co-morbid condition (OR = 1.27, 95% CI 1.16-1.40) all showed significant association with smoking habits. This study found that 3236 (75.0%) patients were successfully treated in the smokers' group, while 4004 (79.7%) patients were non-smokers. The proportion of deaths (6.6%, n = 283), defaulters (6.6%, n = 284) and treatment interruptions (4.7%, n = 204) was higher in the smokers' group.

    CONCLUSIONS: Smoking has a strong influence on TB and is a major barrier towards treatment success (OR = 0.76, 95% CI 0.69-0.84, p 

    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  7. Choong ML, Koay ES, Khaw MC, Aw TC
    Hum Hered, 1999 Jan;49(1):31-40.
    PMID: 9858855
    The allele frequencies for the apolipoprotein B (apo B) 5'-Ins/Del and 3'-VNTR polymorphisms varied significantly (p < 0.01) among Singaporeans of Chinese, Malay and Indian descent. We calculated the unbiased expected heterozygosities for the 5'-Ins/Del polymorphism as 0.3357, 0.1984 and 0.2418, and for the 3'-VNTR as 0.5980, 0.5260 and 0.6749, respectively, in the Chinese, Malays and Indians. Compared to heterozygosities reported for other populations, the Singaporeans differed from most Caucasians in having significantly lower values but were closely related to other non-Caucasians. Thirteen alleles, with a bimodal distribution, were observed at the 3'-VNTR polymorphic locus; the alleles occurring most frequently among the Chinese and Malays were of 35 or 53 repeats, and among the Indians, of 37 or 47 repeats. The Del allele was associated with elevated serum cholesterol (p = 0.023), LDL-cholesterol (LDL-C) (p = 0.001) in the Chinese, and apo B (p = 0.007) in the Indians. Likewise, the larger 3'-VNTR alleles (> 41 repeats) were associated with raised cholesterol (p = 0.018), LDL-C (p = 0.025), and triglyceride (p = 0.001) in the Chinese. The two polymorphisms were not in significant linkage disequilibrium (D = -0.0029, p = 0.494) in the three ethnic groups.
    Matched MeSH terms: Asian Continental Ancestry Group/genetics*
  8. Shah NZ, Malhotra R, Hong CC, Sng JB, Kong CH, Shen L, et al.
    Ann Acad Med Singap, 2018 05;47(5):201-205.
    PMID: 29911739
    Matched MeSH terms: Asian Continental Ancestry Group*
  9. Lek FY, Ong HH, Say YH
    Asia Pac J Clin Nutr, 2018 5 9;27(3):707-717.
    PMID: 29737821 DOI: 10.6133/apjcn.092017.09
    BACKGROUND AND OBJECTIVES: This study investigated the association of DRD2 Taq1A, Taq1B and Taq1D gene polymorphisms with eating behavior, the preference/intake frequency/craving of high-fat foods and obesity in 394 Malaysian adults (161 males, 233 females; 308 Chinese, 86 Indians; 67 obese, 327 non-obese).

    METHODS AND STUDY DESIGN: Eating behaviors namely Cognitive Restraint, Uncontrolled Eating and Emotional Eating scores were assessed by the Three Factor Eating Questionnaire-R18. The preference/intake frequency/craving of 26 common high-fat Malaysian foods was assessed using a 7-point hedonic scale. Anthropometric measurements were taken and Taq1 gene polymorphisms were genotyped by PCR-Restriction Fragment Length Polymorphism using DNA extracted from mouthwash samples.

    RESULTS: The overall minor allele frequencies of Taq1A, Taq1B and Taq1D according to ethnicities (Chinese/Indian) were 0.37/0.29, 0.39/0.28, 0.06/0.30, respectively; genotype and allele distributions of Taq1B and Taq1D were significantly different between ethnicities. Eating behaviorscores were not significantly different between gender and ethnicities. Those with A1 or B1 allele had lower Cognitive Restraint score and higher Uncontrolled Eating score, while those with A1/A1 or B1/B1 genotype had higher fast food preference. D1 allele was associated with increased starchy food craving and mamak (Malaysian Indian-Muslim) food preference, but not eating behavior scores. All three gene variants were not associated with obesity and adiposity.

    CONCLUSION: Taken together, we posit that three DRD2 Taq1 gene polymorphisms influence the eating behavior and preference/intake frequency/craving of certain high-fat foods in Malaysian adults, but their role in obesity and adiposity is still inconclusive and needs further investigation.

    Matched MeSH terms: Asian Continental Ancestry Group/genetics*
  10. Yeo GS, Chan WB, Lun KC, Lai FM
    Ann Acad Med Singap, 1994 May;23(3):371-6.
    PMID: 7944253
    A systematic collection of fetal morphometric measurements was started seven years ago in 1987 with the prospective entry of data into personal computer-based stations in the Department of Obstetrics and Gynaecology, Singapore General Hospital. A cross-sectional study was done, comparing 2392 Chinese fetuses with 2117 Malay fetuses and 459 Indian fetuses from 18 to 40 weeks. The mean values of the head circumference (HC), abdominal circumference (AC) and femur length (FL) of the 3 ethnic groups were analysed. There were no statistical significant differences in the head circumference and abdominal circumference of Chinese, Malay and Indian fetuses in Singapore. The Chinese and Malay fetal femur length appeared similar but were apparently shorter than the Indian femur length. Nomograms of head circumference, abdominal circumference and femur length were constructed for application to fetuses of all 3 ethnic groups.
    Matched MeSH terms: Asian Continental Ancestry Group*
  11. Thong MK, Law HY, Ng IS
    Ann Acad Med Singap, 1996 Jan;25(1):79-83.
    PMID: 8779552
    The beta-thalassaemia mutations in 20 Malaysian children with beta-thalassaemia major were characterised by using a multi-modal approach, consisting of a slot-blot hybridisation with selected allele-specific oligonucleotides (ASO), followed by reverse dot-blot assay (RDB), amplification refractory mutation system (ARMS) and genomic sequencing. This strategy yielded a 94.4% mutation detection rate. The 6 most common mutations were codons 41/42 (-TTCT), IVS II nt 654(C --> T), IVS I nt 5(G --> C), IVS I nt 1(G -->T), codon 35 (-C) and codon 19 (A --> G), which accounted for 83.3% of all mutations detected. A strategy of initial screening with the above 6 selected ASOs for slot-blot hybridisation followed by RDB assay for the less common Asian mutations would give a mutation identification of 91.7%. Another feasible approach would be to analyse alleles from a particular racial group, by a judicious selection of 4 ASOs common to that particular subpopulation and then supplement this with RDB assay. This could yield a 100% coverage for the Chinese subpopulation in Malaysia. With these strategies, a practical approach has been identified to overcome the pitfalls posed by the molecular heterogeneity of beta-thalassaemia to enable prenatal diagnosis and carrier screening to be carried out. Regional collaborative studies are to be encouraged as an indispensable tool in providing better health care services to our patients.
    Matched MeSH terms: Asian Continental Ancestry Group/genetics
  12. Sidi H, Midin M, Puteh SE, Abdullah N
    Asia Pac J Public Health, 2008;20(4):298-306.
    PMID: 19124324 DOI: 10.1177/1010539508322810
    AIM: The aim of this study was to investigate the prevalence of orgasmic dysfunction and the potential risk factors that may be associated with orgasmic dysfunction among women at a primary care setting in Malaysia.
    METHODS: A validated questionnaire for sexual function was used to assess orgasmic function. A total of 230 married women aged 18 to 70 years participated in this study. Their sociodemographic and marital profiles were compared between those who had orgasmic dysfunction and those who did not, and the risk factors were examined.
    RESULTS: The prevalence of orgasmic dysfunction in the primary care population was 51.9%. Women with orgasmic dysfunction were found to be significantly higher in the following groups: age >45 years, being non-Malay, having lower academic status, married longer, having more children, married to an older husband, and being at menopausal state.
    CONCLUSION: Women with infrequent sexual intercourse are less likely to be orgasmic (odds ratio = 0.29, 95% confidence interval = 0.11-0.74).
    Matched MeSH terms: Asian Continental Ancestry Group/psychology*
  13. Apalasamy YD, Ming MF, Rampal S, Bulgiba A, Mohamed Z
    Asia Pac J Public Health, 2015 Mar;27(2):NP154-65.
    PMID: 22199155 DOI: 10.1177/1010539511430250
    Recent findings have shown that the rs1042714 (Gln27Glu) single-nucleotide polymorphism (SNP) on the β2-adrenoceptor gene may predispose to obesity. The findings from other studies carried on different populations, however, have been inconsistent. The authors investigated the association between the rs1042714 SNP with obesity-related parameters. DNA of 672 Malaysian Malays was analyzed using real-time polymerase chain reaction. Univariate and multivariate linear regression analyses revealed significant associations between rs1042714 and diastolic blood pressure in the pooled Malaysian Malay subjects under additive and recessive models. After gender stratification, however, a significant association was found between the rs1042714 and triglyceride and the rs1042714 and log-transformed high-density lipoprotein cholesterol levels in Malaysian Malay men. No significant association was found between the SNP and log-transformed body mass index. This polymorphism may have an important role in the development of obesity-related traits in Malaysian Malays. Gender is an effect modifier for the effect of the rs1042714 polymorphism on obesity-related traits in Malaysian Malays.
    Matched MeSH terms: Asian Continental Ancestry Group*
  14. Yasin SM, Masilamani R, Ming MF, Koh D
    Asia Pac J Public Health, 2015 Mar;27(2):NP143-53.
    PMID: 22199150 DOI: 10.1177/1010539511426472
    OBJECTIVE: The authors examined the effects that change in perception about the advantages and disadvantages of smoking and quitting had on quitting outcome among smokers enrolled in a program for smoking cessation.
    METHODS: A total of 185 smokers from 2 public universities who were interested in quitting received smoking cessation counseling on understanding the risks and benefits of quitting (or smoking) in addition to a course of free nicotine replacement therapy (NRT). A decisional balance questionnaire (DBQ) was administered at baseline and at 2 months postcounseling to determine and assess changes in smoking perception.
    RESULTS: After counseling, 72.3% of smokers had reduced their perceptions about the advantages of smoking, and 66.4% had increased perceptions of disadvantages of smoking. At the eighth week, 51 participants (27%) had quit. Smokers who had reduced perceptions of the advantages of smoking had significantly higher quit rates compared with those with no improvement in perception (82.6% vs 17.4%; odds ratio = 2.47; 95% confidence interval = 1.00-6.10).
    CONCLUSION: After counseling, smokers did change their perception of the advantages and disadvantages of smoking during the quitting process. These changes are associated with a higher likelihood of smoking cessation.
    KEYWORDS: Malaysian; counseling; decisional balance; perception; smoking cessation
    Matched MeSH terms: Asian Continental Ancestry Group*
  15. Rampal S, Rampal L, Rahmat R, Zain AM, Yap YG, Mohamed M, et al.
    Asia Pac J Public Health, 2010 Apr;22(2):194-202.
    PMID: 19443875 DOI: 10.1177/1010539509334816
    The purpose of this study was to determine the association between different ethnic groups and the prevalence, awareness, and control of diabetes in Malaysia. A population-based cross-sectional study using multistage sampling was conducted in Malaysia. Diabetes is defined as having a fasting blood glucose > or =7 mmol/L or a self-reported diabetic on treatment. Among the 7683 respondents aged > or =30 years, the prevalence of diabetes mellitus was 15.2% (95% CI = 14.1, 16.4). Multivariate analysis showed that compared with Malays, Chinese had lower odds (adjusted odds ratio [aOR] 0.71; 95% CI = 0.56, 0.91) and Indians had higher odds of having diabetes (aOR 1.54; 95% CI = 1.20, 1.98). The odds of diabetes increased with age, family history of diabetes, body mass index, and lower education levels. Among those with diabetes mellitus, 45.0% were aware and 42.7% were under treatment. Among treated diabetics, 25.1% had their fasting blood sugar under control. There is a significant association between prevalence of diabetes and different ethnic groups.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  16. Elias MH, Baba AA, Azlan H, Rosline H, Sim GA, Padmini M, et al.
    Leuk. Res., 2014 Apr;38(4):454-9.
    PMID: 24456693 DOI: 10.1016/j.leukres.2013.12.025
    Discovery of imatinib mesylate (IM) as the targeted BCR-ABL protein tyrosine kinase inhibitor (TKI) has resulted in its use as the frontline therapy for chronic myeloid leukemia (CML) across the world. Although high response rates are observed in CML patients who receive IM treatment, a significant number of patients develop resistance to IM. Resistance to IM in patients has been associated with a heterogeneous array of mechanisms of which point mutations within the ABL tyrosine kinase domain (TKD) are the frequently documented. The types and frequencies of mutations reported in different population studies have shown wide variability. We screened 125 Malaysian CML patients on IM therapy who showed either TKI refractory or resistance to IM to investigate the frequency and pattern of BCR-ABL kinase domain mutations among Malaysian CML patients undergoing IM therapy and to determine the clinical significance. Mutational screening using denaturing high performance liquid chromatography (dHPLC) followed by DNA sequencing was performed on 125 IM resistant Malaysian CML patients. Mutations were detected in 28 patients (22.4%). Fifteen different types of mutations (T315I, E255K, G250E, M351T, F359C, G251E, Y253H, V289F, E355G, N368S, L387M, H369R, A397P, E355A, D276G), including 2 novel mutations were identified, with T315I as the predominant type of mutation. The data generated from clinical and molecular parameters studied were correlated with the survival of CML patients. Patients with Y253H, M351T and E355G TKD mutations showed poorer prognosis compared to those without mutation. Interestingly, when the prognostic impact of the observed mutations was compared inter-individually, E355G and Y253H mutations were associated with more adverse prognosis and shorter survival (P=0.025 and 0.005 respectively) than T315I mutation. Results suggest that apart from those mutations occurring in the three crucial regions (catalytic domain, P-loop and activation-loop), other rare mutations also may have high impact in the development of resistance and adverse prognosis. Presence of mutations in different regions of BCR-ABL TKD leads to different levels of resistance and early detection of emerging mutant clones may help in decision making for alternative treatment. Serial monitoring of BCR-ABL1 transcripts in CML patients allows appropriate selection of CML patients for BCR-ABL1 KD mutation analysis associated with acquired TKI resistance. Identification of these KD mutations is essential in order to direct alternative treatments in such CML patients.
    Matched MeSH terms: Asian Continental Ancestry Group/genetics; Asian Continental Ancestry Group/statistics & numerical data
  17. Srisurapanont M, Hong JP, Tian-Mei S, Hatim A, Liu CY, Udomratn P, et al.
    Asia Pac Psychiatry, 2013 Dec;5(4):259-67.
    PMID: 24038919 DOI: 10.1111/appy.12104
    The objective of this study was to investigate the clinical features of depression in Asian patients.
    Matched MeSH terms: Asian Continental Ancestry Group/psychology; Asian Continental Ancestry Group/statistics & numerical data*
  18. Haerian BS, Lim KS, Mohamed EH, Tan HJ, Tan CT, Raymond AA, et al.
    Seizure, 2011 Jun;20(5):387-94.
    PMID: 21316268 DOI: 10.1016/j.seizure.2011.01.008
    It is proposed that overexpression of P-glycoprotein (P-gp), encoded by the ABC subfamily B member 1 (ABCB1) gene, is involved in resistance to antiepileptic drugs (AEDs) in about 30% of patients with epilepsy. Genetic variation and haplotype patterns are population specific which may cause different phenotypes such as response to AEDs. Although several studies examined the link between the common polymorphisms in the ABCB1 gene with resistance to AEDs, the results have been conflicting. This controversy may be caused by the effect of some confounders such as ethnicity and polytherapy. Moreover, expression of the ABCB1 gene is under the control of pregnane X receptor (PXR). Evidence showed that PXR gene contribute to the response to treatment. The aim of this study was to assess the association of ABCB1 and PXR genetic polymorphisms with response to the carbamazepine (CBZ) or sodium valproate (VPA) monotherapy in epilepsy. Genotypes were assessed in 685 Chinese, Indian, and Malay epilepsy patients for ABCB1 (C1236T, G2677T, C3435T) and PXR (G7635A) polymorphisms. No association between these polymorphisms and their haplotypes, and interaction between them, with response to treatment was observed in the overall group or in the Chinese, Indian, and Malay subgroups. Our data showed that these polymorphisms may not contribute to the response to CBZ or VPA monotherapy treatment in epilepsy.
    Matched MeSH terms: Asian Continental Ancestry Group/ethnology; Asian Continental Ancestry Group/genetics*
  19. Park S, Hatim Sulaiman A, Srisurapanont M, Chang SM, Liu CY, Bautista D, et al.
    Psychiatry Res, 2015 Aug 30;228(3):277-82.
    PMID: 26160206 DOI: 10.1016/j.psychres.2015.06.032
    We investigated the associations between negative life events, social support, depressive and hostile symptoms, and suicide risk according to gender in multinational Asian patients with major depressive disorder (MDD). A total of 547 outpatients with MDD (352 women and 195 men, mean age of 39.58±13.21 years) were recruited in China, South Korea, Malaysia, Singapore, Thailand, and Taiwan. All patients were assessed with the Mini-International Neuropsychiatric Interview, the Montgomery-Asberg Depression Rating Scale, the Symptoms Checklist 90-Revised, the Multidimensional Scale of Perceived Social Support, and the List of Threatening Experiences. Negative life events, social support, depressive symptoms, and hostility were all significantly associated with suicidality in female MDD patients. However, only depressive symptoms and hostility were significantly associated with suicidality in male patients. Depression severity and hostility only partially mediated the association of negative life events and poor social support with suicidality in female patients. In contrast, hostility fully mediated the association of negative life events and poor social support with suicidality in male patients. Our results highlight the need of in-depth assessment of suicide risk for depressed female patients who report a number of negative life events and poor social supports, even if they do not show severe psychopathology.
    Matched MeSH terms: Asian Continental Ancestry Group/ethnology; Asian Continental Ancestry Group/psychology*
  20. Srisurapanont M, Likhitsathian S, Chua HC, Udomratn P, Chang S, Maneeton N, et al.
    J Affect Disord, 2015 Nov 1;186:26-31.
    PMID: 26226430 DOI: 10.1016/j.jad.2015.06.032
    BACKGROUND: Little has been known regarding the correlates of severe insomnia in major depressive disorder (MDD). This post-hoc analysis aimed to examine the sociodemographic and clinical correlates of severe insomnia in psychotropic drug-free, Asian adult outpatients with MDD.
    METHODS: Participants were psychotropic drug-free patients with MDD, aged 18-65 years. By using the Symptom Checklist-90 Items, Revised (SCL-90-R), a score of 4 (severe distress) on any one of three insomnia items was defined as severe insomnia. Other measures included the Montgomery-Asberg Depression Rating Scale (MADRS), the Fatigue Severity Scale (FSS), the nine psychopathology subscales of SCL-90-R, the Physical and Mental Component Summaries of Short Form Health Survey (SF-36 PCS and SF-36 MCS), and the Sheehan Disability Scale (SDS).
    RESULTS: Of 528 participants, their mean age being 39.5 (SD=13.26) years, 64.2% were females, and 239 (45.3%) had severe insomnia. The logistic regression model revealed that low educational qualifications (less than secondary school completion), high SCL-90-R Depression scores, high SCL-90-R Anxiety scores, and low SF-36 PCS scores were independently correlated with severe insomnia (p'sAsian; Depressive disorders; Insomnia; SCL-90-R; Subjective
    Matched MeSH terms: Asian Continental Ancestry Group/psychology*; Asian Continental Ancestry Group/statistics & numerical data
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