Browse publications by year: 2021

  1. Sreeramareddy CT, Aye SN
    BMC Public Health, 2021 06 24;21(1):1209.
    PMID: 34167508 DOI: 10.1186/s12889-021-11201-0
    BACKGROUND: Hardcore smoking behaviours and test of hardening are seldom reported from low-and-middle-income countries (LMICs). We report country-wise changes in smoking behaviors between two sequential surveys and explored ecologically the relationship between MPOWER scores and smoking behaviors including hardcore smoking.

    METHODS: We analysed sequential Global Adult Tobacco Survey (GATS) data done at least at five years interval in 10 countries namely India, Bangladesh, China, Mexico, Philippines, Russia, Turkey, Ukraine, Uruguay, and Vietnam. We estimated weighted prevalence rates of smoking behaviors namely current smoking (both daily and non-daily), prevalence of hardcore smoking (HCS) among current smokers (HCSs%) and entire surveyed population (HCSp%), quit ratios (QR), and the number of cigarettes smoked per day (CPD). We calculated absolute and relative (%) change in rates between two surveys in each country. Using aggregate data, we correlated relative change in current smoking prevalence with relative change in HCSs% and HCSp% as well as explored the relationship of MPOWER score with relative change in smoking behaviors using Spearman' rank correlation test.

    RESULTS: Overall daily smoking has declined in all ten countries lead by a 23% decline in Russia. In India, Bangladesh, and Philippines HCSs% decreased as the smoking rate decreased while HCSs% increased in Turkey (66%), Vietnam (33%) and Ukraine (15%). In most countries, CPD ranged from 15 to 20 sticks except in Mexico (7.8), and India (10.4) where CPD declined by 18 and 22% respectively. MPOWER scores were moderately correlated with HCSs% in both sexes (r = 0.644, p = 0.044) and HCSp% (r = 0.632, p = 0.05) and among women only HCSs% (r = 0.804, p = 0.005) was significantly correlated with MPOWER score.

    CONCLUSION: With declining smoking prevalence, HCS had also decreased and quit rates improved. Ecologically, a positive linear relationship between changes in smoking and HCS is a possible evidence against 'hardening'. Continued monitoring of the changes in quitting and hardcore smoking behaviours is required to plan cessation services.

    MeSH terms: Adult; Bangladesh; China; Female; Humans; India/epidemiology; Male; Mexico/epidemiology; Philippines; Russia; Smoking/epidemiology; Turkey; Ukraine/epidemiology; Uruguay; Vietnam; Prevalence; Smoking Cessation*; Tobacco Products*
  2. Genitsaridi E, Dode A, Qirjazi B, Mehdi M, Pryss R, Probst T, et al.
    Int J Audiol, 2021 Jun 28.
    PMID: 34182868 DOI: 10.1080/14992027.2021.1933221
    OBJECTIVE: To our knowledge, there is no published study investigating the characteristics of people experiencing tinnitus in Albania. Such a study would be important, providing the basis for further research in this region and contributing to a wider understanding of tinnitus heterogeneity across different geographic locations. The main objective of this study was to develop an Albanian translation of a standardised questionnaire for tinnitus research, namely the European School for Interdisciplinary Tinnitus Research-Screening Questionnaire (ESIT-SQ). A secondary objective was to assess its applicability and usefulness by conducting an exploratory survey on a small sample of the Albanian tinnitus population.

    DESIGN AND STUDY SAMPLE: Three translators were recruited to create the Albanian ESIT-SQ translation following good practice guidelines. Using this questionnaire, data from 107 patients attending otolaryngology clinics in Albania were collected.

    RESULTS: Participants reporting various degrees of tinnitus symptom severity had distinct phenotypic characteristics. Application of a random forest approach on this preliminary dataset showed that self-reported hearing difficulty, and tinnitus duration, pitch and temporal manifestation were important variables for predicting tinnitus symptom severity.

    CONCLUSIONS: Our study provided an Albanian translation of the ESIT-SQ and demonstrated that it is a useful tool for tinnitus profiling and subgrouping.

  3. Amin A, Remme M, Allotey P, Askew I
    BMJ, 2021 06 28;373:n1621.
    PMID: 34183331 DOI: 10.1136/bmj.n1621
    MeSH terms: Female; Forecasting*; Humans; Women's Health/trends*
  4. Hoo YY, Mazlan-Kepli W, Hasan WNHW, Chen FJ, Devadas P, Chow YY, et al.
    J Saudi Heart Assoc, 2021;33(2):149-156.
    PMID: 34183912 DOI: 10.37616/2212-5043.1247
    Objectives: Heart failure [HF] hospital readmissions are a continued challenge in the care of HF patients, which contribute substantially to the high costs of the disease and high mortality rate in lower to middle income country. We implemented a quality improvement project to improve patient outcomes and resource utilization.

    Methods: This study was a prospective cohort design with a historical comparison group. It was conducted to assess the difference in 30-day readmissions and mortality and to assess compliance rate with HF guideline between the historical pre-intervention audit 1 cohort and prospective post-intervention audit 2 cohorts. Audit 1 cohort were recruited from January to February 2019, whereas, audit 2 cohort which received the bundled intervention program were recruited from July to December 2019. Clinical outcomes were compared between cohorts using 30-day readmissions and mortality.

    Results: A total of 50 and 164 patients were included in audit 1 and audit 2 cohort, respectively. Patients in the audit 2 cohort were younger [63.0 ± 14.5 in audit 1 vs 56.5 ± 12.7 in audit 2, p = 0.003] and majority were male [50.0% in audit 1 vs 72.0% in audit2, p = 0.004]. Thirty-day readmissions were significantly different [36.0% audit 1 vs. 22.0% audit 2, p = 0.045], but the mortality rates were similar [4.0%% audit 1 vs. 5.5% audit 2, p = 0.677] between two cohorts.

    Conclusion: A significant decrease in 30-day readmissions was observed in the post-intervention audit 2 cohort in our setting. Further study in larger population and prolong study follow-up is warranted.

  5. Yiu FSY, Yu OY, Wong AWY, Chu CH
    J Dent Educ, 2021 Nov;85(11):1721-1728.
    PMID: 34184258 DOI: 10.1002/jdd.12733
    OBJECTIVE: To explore the achievement and perception of dental students in an international peer learning setting via the Global Citizenship in Dentistry (GCD) program.

    METHODS: In the GCD program, year-2 dental students from universities in Egypt, Hong Kong, Malaysia, UK, and the United States developed a portfolio of a restorative procedure in simulation laboratory and uploaded to an online platform (https://gcd.hku.hk/). Through the platform, the students left comments on each other's portfolios to share and discuss their knowledge and experiences on restorative dentistry. This study invited students from Hong Kong in 2018-2019 to complete an open-ended questionnaire to explore their experience on the GCD program. The feedback was compiled and analyzed.

    RESULTS: All 71 year-2 students completed the questionnaire. Their most dominant comments were positive feelings about learning different clinical principles and methods from universities abroad. The students also enjoyed the cultural exchange from the comfort of their own devices. Other recurrent comments included the improvement of the skills of communication and comments on the peers' work in a professional manner. The students were enthusiastic about being able to apply their critical thinking in evaluating their work. They shared their learning barriers, including the extra time needed for the program, some unenthusiastic responses from groupmates, and delayed replies from peers. They made suggestions to remove the barriers in the learning process of the GCD program.

    CONCLUSION: Students generally welcomed the GCD program and benefitted from the global academic exchange, development of critical thinking, enhancing professional communication skills, as well as opportunities of cultural exchange.

    MeSH terms: Curriculum; Dentistry; Feedback; Humans; Learning*; Peer Group*; Students; United States
  6. Chellappan DK, Dharwal V, Paudel KR, Jha NK, MacLoughlin R, Oliver BG, et al.
    Future Med Chem, 2021 08;13(15):1249-1251.
    PMID: 34184585 DOI: 10.4155/fmc-2021-0097
  7. Md Nadzri N, Hamzaid NA, Chung TY
    J Med Eng Technol, 2021 Oct;45(7):574-581.
    PMID: 34184592 DOI: 10.1080/03091902.2021.1936238
    Individuals with paraplegia spend their time on the wheelchair for life. Adapting to prolonged wheelchair seating for almost all activities of daily living is challenging. The loss of abilities to sense any pain or excessive seating pressure cause them to remain seated on the wheelchair without any pressure relief activities. This situation leads to secondary complications including pressure ulcer which further degrades the individual's health. To overcome this, a wheelchair seating pressure relief training system (WSETs) was developed. Optimal placement of the force sensitive resistors (FSR) as seating pressure sensors on the cushion were determined, and their responses were investigated with 5 paraplegics. Two different FSR orientations, A and B, were compared. Each paraplegic sat in resting position and then performed pressure relief activities (PRA) which included whole body push-up, left and right lean and forward lean, before returning to resting position. Orientation B, with more forward positioned FSRs, showed higher sensitivity, implying better capture of high-risk area of pressure ulcer development. The FSR sensor readings were significantly different among pressure relief activities in all subjects (p 
    MeSH terms: Activities of Daily Living; Equipment Design; Humans; Paraplegia; Wheelchairs*; Reminder Systems
  8. Ho JY, Ngeow WC, Lim D, Wong CS
    Folia Morphol (Warsz), 2021 Jun 29.
    PMID: 34184752 DOI: 10.5603/FM.a2021.0060
    BACKGROUND: There is concern regarding immediate implantation in the molar region because of discrepancy between socket size and inserted implant diameter. The purpose of this study was to assess the local anatomy of the posterior mandibular region in relation to immediate implant placement using cone-beam computed tomography (CBCT).

    MATERIALS AND METHODS: Using CBCT imaging data, 204 mandibular first molars and 201 mandibular second molars were assessed for the interradicular and alveolar bone dimensions, tooth sizes and proximity to vital structures. The cross-sectional mandibular shape and root configuration of these molars were determined.

    RESULTS: Distances to the inferior alveolar canal (IAC) from the root apices of the first molar were significantly greater than the second molar. Up to 14.5% of second molars had less than 10mm of vertical bone height between the IAC and furcation bone crest. Interradicular bone width of <3mm was found in 57% of second molars. All first molars in this study had two to three roots while 16% of second molars presented with a single root. The prevalent mandible shape at the first and second molars was the parallel and undercut ridges, respectively.

    CONCLUSIONS: The mandibular second molars from samples of a Southeast Asian population presented with greater anatomical difficulties for immediate implant placement which include absent or inadequate interradicular bone thickness, higher incidence of unfavorable mandible shape and increased proximity to vital structures.

  9. Frayon S, Swami V, Wattelez G, Todd J, Galy O
    Pediatr Obes, 2021 12;16(12):e12824.
    PMID: 34184838 DOI: 10.1111/ijpo.12824
    BACKGROUND: Self-esteem has consistently been observed to be relatively low in adolescents with obesity. In the Pacific region, the prevalence of obesity in adolescence is high, but few studies have considered issues of self-esteem in this population.

    OBJECTIVE: To examine associations between weight status, body dissatisfaction and self-esteem in a sample of New Caledonian adolescents and to test for moderation effects of ethnicity on predictors of self-esteem.

    METHODS: Objective anthropometric measures (height, weight, waist circumference and thickness of skinfolds) were obtained in a multi-ethnic sample of New Caledonian adolescents. Body mass index (BMI), waist-to-height ratio and the sum of four skinfolds thickness were used as proxies of weight status. Indices of ethnic identity, self-esteem, socio-demographic data (socioeconomic status, ethnicity, gender, urbanicity of residence) and body dissatisfaction were obtained using survey methods.

    RESULTS: Between-group analyses indicated that adolescents of European/white origin had significantly higher self-esteem than adolescents with Oceanian Non-European Non-Asian ancestry (ONENA). However, low self-esteem was significantly associated with weight status and body dissatisfactions in European/white adolescents but not ONENA adolescents. Ethnicity moderated the relationships of predictors (BMI z-score, body dissatisfaction, age, urbanicity and ethnic identity) on self-esteem, and the strongest predictors of self-esteem were ethnicity and ethnic identity.

    CONCLUSIONS: While self-esteem has important consequences for adolescent well-being and health outcomes, these results highlight the importance of applying different steps to develop and maintain healthy self-esteem in the Pacific region.

    MeSH terms: Adolescent; Ethnic Groups*; Humans; Personal Satisfaction*; Self Concept; Social Class; European Continental Ancestry Group
  10. Chan Y, Mehta M, Paudel KR, Madheswaran T, Panneerselvam J, Gupta G, et al.
    Nanomedicine (Lond), 2021 08;16(18):1545-1548.
    PMID: 34184917 DOI: 10.2217/nnm-2021-0114
    MeSH terms: Humans; Liquid Crystals*; Nanoparticles*
  11. Cummins E, Waseem R, Piyasena D, Wang CY, Suen C, Ryan C, et al.
    Sleep Breath, 2021 Jun 29.
    PMID: 34185230 DOI: 10.1007/s11325-021-02383-3
    PURPOSE: Since hypoxia increases erythropoietin production and inflammation, the complete blood count (CBC) has been proposed as an inexpensive alternative for obstructive sleep apnea (OSA) screening. The objective of this study was to determine whether or not intermittent hypoxia and OSA severity, as measured by the mean oxygen saturation (SpO2) and apnea-hypopnea index (AHI), affect parameters measured by the CBC.

    METHODS: This retrospective study included a total of 941 surgical patients who had a pre-operative home sleep study. The pre-operative CBC was extracted from the electronic patient records. Patients were stratified according to their AHI scores, into mild (AHI ≥ 5 - 

  12. Trang NTH, Tang DYY, Chew KW, Linh NT, Hoang LT, Cuong NT, et al.
    Mol Biotechnol, 2021 Nov;63(11):1004-1015.
    PMID: 34185249 DOI: 10.1007/s12033-021-00362-3
    Various studies showed that the suppression of α-glucosidase activity can impede the glucose absorption in our body, and therefore, it can be used to treat type 2 diabetes. Hence, the compounds with anti-α-glucosidase have gained considerable attention because of their potential application in diabetes treatment. In previous literature studies, these anti-α-glucosidase compounds were extracted from plants and fungus. Less studies are being conducted to identify the anti-α-glucosidase compounds in the microbial community. In this study, 23 marine bacterial strains were screened for their potential to suppress the α-glucosidase activity. The highest inhibitory activity was exhibited by isolated L06 which was identified as Oceanimonas smirnovii EBL6. The cultivation conditions, such as temperature and pH, were optimized to increase the production of α-glucosidase inhibitors by Oceanimonas smirnovii EBL6 strain. The result findings showed that the highest yield of α-glucosidase inhibitors can be obtained at the culture time of 120 h, fermentation temperature of 30 °C, and pH 4.6. Under these conditions, the inhibitory activity of α-glucosidase can reach 81%. The IC50 of n-butanol extract was 13.89 μg/ml, while standard acarbose was 31.16 μg/ml. Overall, these findings suggest that Oceanimonas smirnovii produces α-glucosidase inhibitors and could been applied in the biochemical and medicinal fields in the future.
    MeSH terms: alpha-Glucosidases/metabolism; alpha-Glucosidases/chemistry*; Culture Media; Diabetes Mellitus, Type 2/drug therapy; Diabetes Mellitus, Type 2/metabolism; Diabetes Mellitus, Type 2/pathology; Humans; Cell Culture Techniques/methods; Aeromonadaceae/chemistry; Drug Discovery; Aquatic Organisms/chemistry*; Glycoside Hydrolase Inhibitors/pharmacology; Glycoside Hydrolase Inhibitors/chemistry*
  13. Arham AF, Amin L, Mustapa MAC, Mahadi Z, Yaacob M, Ibrahim M
    PLoS Negl Trop Dis, 2021 Jun;15(6):e0009493.
    PMID: 34185785 DOI: 10.1371/journal.pntd.0009493
    Outdoor Residual Spraying (ORS) technique is a complementary preventive measure for dengue. The alarming number of dengue cases in Malaysia requires an alternative method to control dengue besides the traditional method such as fogging. However, the introduction of new technologies depends on social acceptance. Therefore, this study was important to determine the factors that influence stakeholders' attitudes towards the ORS and the moderating factor. A validated instrument was used to randomly interview 399 respondents representing two stakeholder groups which consist of scientists, and the public in Klang Valley, Malaysia. The findings revealed that the stakeholders claimed to have a high degree of religiosity, a high level of trust in the key players, perceived ORS as having high benefits, and displayed highly positive attitudes towards the ORS. The attitudes model towards the ORS model was developed using the SmartPLS software version. The perceived benefit was endorsed as the most important direct predictor of attitudes towards the ORS (ß = 0.618, P<0.001), followed by trust in the key players (ß = 0.151, P<0.001). It is also interesting to note that religiosity served as a moderator for the association between perceived benefit (ß = 0.075, P = 0.024) and perceived risk (ß = 0.114, P = 0.006) with attitudes towards the ORS. The identified predictor factors of stakeholders' attitudes toward the ORS and the moderating factor can serve as indicators for social acceptance of ORS in developing countries. These indicators can help the policymakers in decision making to implement this technique.
    MeSH terms: Aedes/drug effects; Aedes/physiology; Animals; Attitude to Health*; Dengue/prevention & control*; Dengue/psychology*; Dengue/transmission; Humans; Insecticides/pharmacology; Malaysia; Mosquito Control/methods*; Public Opinion; Surveys and Questionnaires; Trust
  14. Alsharqi M, Huckstep OJ, Lapidaire W, Williamson W, Mohamed A, Tan CMJ, et al.
    Echocardiography, 2021 Aug;38(8):1319-1326.
    PMID: 34185918 DOI: 10.1111/echo.15149
    AIMS: To investigate the left ventricular response to exercise in young adults with hypertension, and identify whether this response can be predicted from changes in left atrial function at rest.

    METHODS: A total of 127 adults aged 18-40 years who completed clinical blood pressure assessment and echocardiography phenotyping at rest and during cardiopulmonary exercise testing, were included. Measurements were compared between participants with suboptimal blood pressure ≥120/80mm Hg (n = 68) and optimal blood pressure <120/80mm Hg (n = 59). Left ventricular systolic function during exercise was obtained from an apical four chamber view, while resting left atrial function was assessed from apical four and two chamber views.

    RESULTS: Participants with suboptimal blood pressure had higher left ventricular mass (p = 0.031) and reduced mitral E velocity (p = 0.02) at rest but no other cardiac differences. During exercise, their rise in left ventricular ejection fraction was reduced (p = 0.001) and they had higher left ventricular end diastolic and systolic volumes (p = 0.001 and p = 0.001, respectively). Resting cardiac size predicted left ventricular volumes during exercise but only left atrial booster pump function predicted the left ventricular ejection fraction response ( β = .29, p = 0.011). This association persisted after adjustment for age, sex, body mass index, and mean arterial pressure.

    CONCLUSION: Young adults with suboptimal blood pressure have a reduced left ventricular systolic response to exercise, which can be predicted by their left atrial booster pump function at rest. Echocardiographic measures of left atrial function may provide an early marker of functionally relevant, subclinical, cardiac remodelling in young adults with hypertension.

    MeSH terms: Blood Pressure; Echocardiography*; Humans; Stroke Volume; Ventricular Function, Left*; Young Adult
  15. Wong WJ, Zainudin SP, Koo YH, Ho KY, Lee ZJ, Wong KH
    Asia Pac J Clin Oncol, 2021 Jun 29.
    PMID: 34185957 DOI: 10.1111/ajco.13596
    INTRODUCTION: Breast cancer (BC) is the most common cancer in Malaysia, with incidence increasing with age. There have been demonstrated differences in age of presentation and tumour biology when comparing ethnicities. Twenty percent of Caucasian women present before 50 years old, but almost 50% of Southeast Asian (SEA) women present before 50. However, BC in Indigenous sub-groups has not yet been studied. Sandakan is a city in Sabah with a large Indigenous population. Current nationwide screening guidelines are based on the U.S. Preventive Task Force 2009 Guidelines, which may not represent our population. We aim to examine the age of incidence for our local population, for local screening recommendations.

    METHOD: Retrospective cross-sectional study, including all consecutive cases of epithelial invasive tumours, from January 2016 to December 2018. Other histological types were excluded. Univariate and multivariate analyses were performed.

    RESULT: A total of 115 breast tumours were identified. Ten tumours were excluded (five ductal carcinoma in situ, four phyllodes, and one sarcoma), leaving a study population of 105 patients. Median age of presentation was 53 years (min 30; max 97). A total of 41.9% presented before the age of 50. Patients of Indigenous ethnic origins were 11 years younger at presentation than non-Indigenous women. Tumour grade was more likely to be higher among Indigenous women.

    CONCLUSION: Median age of presentation of BC in Sandakan matches regional data; however, patients of Indigenous ethnic groups present even earlier. Screening guidelines should consider the growing evidence of young BC in SEA.

  16. Mohammad A, Falahi E, Barakatun-Nisak MY, Hanipah ZN, Redzwan SM, Yusof LM, et al.
    Diabetes Metab Syndr, 2021 05 31;15(4):102158.
    PMID: 34186370 DOI: 10.1016/j.dsx.2021.05.031
    BACKGROUND AND AIMS: The studies have shown that α-tocopherol supplementation could improve lipid profile in diabetes mellitus (DM) patients. Nonetheless, the result remains inconsistent. Therefore, this meta-analysis was performed to evaluate the efficacy of α-tocopherol supplement on lipid parameters in DM patients.

    METHODS: We conducted an extensive search via Cochrane Library, PubMed, Scopus, and Web of Science databases to acquire the reported RCTs up to October 2020.

    RESULTS: The results showed no effects of α-tocopherol supplementation on lipid profile in DM patients except when used ≥12 weeks.

    CONCLUSIONS: α-tocopherol supplementation in DM patients had no significant effect on lipid profiles.

    MeSH terms: Diabetes Mellitus*; Humans; Lipids/blood*; Randomized Controlled Trials as Topic; Dietary Supplements*; alpha-Tocopherol/administration & dosage*
  17. Jałoszyński P
    Zootaxa, 2021 Apr 30;4966(1):115.
    PMID: 34186639 DOI: 10.11646/zootaxa.4966.1.1
    Six new species of the cephenniine genus Hlavaciellus Jałoszyński are described: H. cincinnalis sp. n. (Malaysia: Sabah); H. carinatus sp. n. (Malaysia: Pahang); H. microtuberculatus sp. n. (Malaysia: Pahang); H. diversipilosus sp. n. (Malaysia: Pahang); H. concavus sp. n. (Indonesia: Sumatra); and H. sumatranus sp. n. (Indonesia: Sumatra). An updated key to identification of males of all nominal species of Hlavaciellus is given.
    MeSH terms: Animals; Beetles/classification*; Indonesia; Malaysia; Male
  18. Kazantsev SV
    Zootaxa, 2021 Apr 29;4965(3):437460.
    PMID: 34186647 DOI: 10.11646/zootaxa.4965.3.2
    A new genus and five new species of neotenic lyropaeine net-winged beetles, Plycus prosvirovi gen. nov., sp. nov., Platerodrilus (s. str.) brastagicola sp. nov., P. (s. str.) gorbunovi sp. nov., P. (s. str.) kambanganus sp. nov. and P. (Duliticola) berastagiensis sp. nov., are described from Malaysia and Indonesia. Horakiella Bocakova, 2006, syn. nov. is proposed as a junior synonym of Atamania Kazantsev, 2005. Descriptions of little known members of the subfamily, Lybnopaeus avernus (Kazantsev, 1997), Lyropaeus (Lyroneces) orcinus Kazantsev, 1998, Miniduliticola nelsoni Kazantsev, 2002, Platerodrilus (Zhelongia) grootaerti Kazantsev, 2009, P. (Zh.) holynskae Kazantsev, 2009, P. (Duliticola) svetae Kazantsev, 2009, P. (D.) strbai Kazantsev, 2009, Atamania tembeling Kazantsev, 2002 and Sinodulia gressitti Kazantsev, 2002, are complemented with macrophotographs. Lists of Platerodrilus and Atamania species are provided.
    MeSH terms: Animals; Beetles/classification*; Indonesia; Malaysia
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