Displaying publications 1 - 20 of 26 in total

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  1. Yasin SM, Taib KM, Zaki RA
    Asian Pac J Cancer Prev, 2011;12(6):1439-43.
    PMID: 22126478
    The transtheoretical model (TTM) has been used as one of the major constructs in developing effective cognitive behavioural interventions for smoking cessation and relapse prevention, in Western societies. This study aimed to examine the reliability and construct validity of the translated Bahasa Malaysia version of TTM questionnaire among adult smokers in Klang Valley, Malaysia. The sample consisted of 40 smokers from four different worksites in Klang Valley. A 26-item TTM questionnaire was administered, and a similar set one week later. The questionnaire consisted of three measures; decisional balance, temptations and impact of smoking. Construct validity was measured by factor analysis and the reliability by Cronbach' s alpha (internal consistency) and test-retest correlation. Results revealed that Cronbach' s alpha coefficients for the items were: decisional balance (0.84; 0.74) and temptations (0.89; 0.54; 0.85). The values for test retest correlation were all above 0.4. In addition, factor analysis suggested two meaningful common factors for decisional balance and three for temptations. This is consistent with the original construct of the TTM questionnaire. Overall results demonstrated that construct validity and reliability were acceptable for all items. In conclusion, the Bahasa Malaysia version of TTM questionnaire is a reliable and valid tool in ass.
  2. Thanigasalam T, Reddy SC, Zaki RA
    J Ophthalmic Vis Res, 2016 4 7;10(4):375-84.
    PMID: 27051481 DOI: 10.4103/2008-322X.158892
    PURPOSE: Cataract surgery is the most common intraocular surgery performed all over the world and has advanced technically in recent years. As in all surgeries, complications are unavoidable. Herein we report factors associated with complications and visual outcomes of cataract surgery.

    METHODS: This retrospective cohort study included data of 1,632 cataract surgeries performed from 2007 to 2010 which was obtained from the cataract registry of the Malaysian National Eye Database. Demographic features, ocular and systemic comorbidites, grade of surgeon expertise and duration of surgery, type of anesthesia, intraoperative and postoperative complications, and the type of intraocular lens were recorded. Best corrected visual acuities were compared before and after the operation.

    RESULTS: Mean patient age was 66.9 years with equal gender distribution. The majority of subjects had age related cataracts. Phacoemulsification was done faster than other surgeries, especially by specialist surgeons. History of prior ocular surgery and operations performed under general anesthesia were associated with greater complications. Phacoemulsification was associated with less complications and better visual outcomes. The age and etiology of cataract did not affect complications. Malays, absence of ocular comorbidities, left eyes and eyes operated under local anesthesia were more likely to experience more visual improvement. Gender, age, cause of cataract, systemic comorbidities and surgeon expertise as well as intra-and postoperative complications did not affect the visual outcomes.

    CONCLUSION: Phacoemulsification had good visual outcomes in cataract surgery. Duration of surgery, expertise of the surgeon and complications did not affect the visual outcomes.

  3. Singh S, Zaki RA, Farid NDN
    J Adolesc, 2019 07;74:154-172.
    PMID: 31216495 DOI: 10.1016/j.adolescence.2019.06.004
    INTRODUCTION: Depression is a common mental health disorder and affects many adolescents worldwide. Depression literacy can improve mental health outcomes. The aim of this study was to collate and analyse the extant evidence on depression literacy among adolescents, with particular focus on tools used to examine depression literacy and the findings on components of depression literacy.

    METHODS: Nine electronic databases and 1 grey literature source were searched for studies published in English between January 2006 and December 2018 and involving adolescents aged 10-19 years. We included studies that reported on components of depression literacy such as knowledge, help-seeking and stigmatising attitudes. We excluded qualitative studies. Two independent reviewers verified that the studies met the inclusion criteria, assessed the quality of the studies and extracted their characteristics. The data were descriptively analysed and appraised using the Newcastle-Ottawa Scale (NOS), Cochrane Collaboration's tool and the Quality Assessment Tool for Quantitative Studies (QATSQ).

    RESULTS AND CONCLUSION: Fifty of the 14,626 references identified met the inclusion criteria. Depression literacy was most commonly (58%) assessed using tools that utilize a vignette-based methodology. A lack of uniformity in reporting of depression literacy was noted. Adolescents were poor at recognising depression, likely to seek help from informal sources and tended to attach stigma to depression. The implications of the findings are discussed and suggestions made for future research.

  4. Rajendran M, Zaki RA, Aghamohammadi N
    Tuberculosis (Edinb), 2020 05;122:101925.
    PMID: 32275233 DOI: 10.1016/j.tube.2020.101925
    Multidrug-resistant tuberculosis (MDR-TB) is one of the causes of morbidity and mortality, among tuberculosis (TB) patients in Malaysia. The purpose of this study was to determine the contributing risk factors to the prevalence of (MDR-TB). Based on systematic review of the literatures, the prevalence of (MDR-TB) and associated risk factors in Malaysia were studied. A comprehensive search of Scopus, Science direct, PubMed, DOAJ, CINAHL Plus, MyJournal, BIREME, BMC Public Health, Medline, CAB, and WoS databases were done among the articles published from 31st January 2009 to 31st December 2018, by using medical subject heading (MeSH) key terms. In conducting this study, a total of 121 papers were reviewed and 23 research papers were chosen, because, they met the specific inclusion criteria. In this study, gender, age, marital status, ethnicity, homeless status, living in urban area and history of imprisonment were evaluated as demographic factors, while educational level and employment were evaluated as socioeconomic factors. Smoking, diabetes mellitus, drug abuse and alcohol consumption were evaluated as behavioral and co-morbidities factors. All the studies chosen as eligible to be included in this study were found to be significantly associated with the risk factors for the prevalence of (MDR-TB). It was also discovered that, lack of adequate knowledge among the community and (TB) patients might increase the progression of (MDR-TB) infection in Malaysia. Thus, carried out a systematic review provided a comprehensive assessment of the (MDR-TB) which might be useful for policy makers, health experts and researchers to implement appropriate strategies for (TB) infected population in Malaysia.
  5. Hii YL, Zaki RA, Aghamohammadi N, Rocklöv J
    Curr Environ Health Rep, 2016 Mar;3(1):81-90.
    PMID: 26931438 DOI: 10.1007/s40572-016-0078-z
    Dengue is a climate-sensitive infectious disease. Climate-based dengue early warning may be a simple, low-cost, and effective tool for enhancing surveillance and control. Scientific studies on climate and dengue in local context form the basis for advancing the development of a climate-based early warning system. This study aims to review the current status of scientific studies in climate and dengue and the prospect or challenges of such research on a climate-based dengue early warning system in a dengue-endemic country, taking Malaysia as a case study.
  6. Mohd Amin AT, Zaki RA, Friedmacher F, Sharif SP
    Pediatr Surg Int, 2021 Jul;37(7):881-886.
    PMID: 33779823 DOI: 10.1007/s00383-021-04879-1
    PURPOSE: The role of hypoalbuminemia and raised C-reactive protein (CRP) levels in predicting critical prognosis has been described extensively in adult literature. However, there are limited studies in pediatrics, particularly neonates. The CRP/albumin (CRP/ALB) ratio is often associated with higher mortality, organ failure and prolonged hospital stay. We hypothesized that the serum CRP/ALB ratio has a prognostic value in predicting surgery and mortality in neonates with necrotizing enterocolitis (NEC).

    METHODS: Retrospective review of all neonates with clinical and radiological evidence of non-perforated NEC that were treated in a tertiary-level referral hospital between 2009 and 2018. General patient demographics, laboratory parameters and outcomes were recorded. Receiver operating characteristics analysis was performed to evaluated optimal cut-offs and area under the curve (AUC) with 95% confidence intervals (CI).

    RESULTS: A total of 191 neonates were identified. Of these, 103 (53.9%) were born at ≤ 28 weeks of gestation and 101 (52.9%) had a birth weight of ≤ 1000 g. Eighty-four (44.0%) patients underwent surgical intervention for NEC. The overall survival rate was 161/191 (84.3%). A CRP/ALB ratio of ≥ 3 on day 2 of NEC diagnosis was associated with a statistically significant higher likelihood for surgery [AUC 0.71 (95% CI 0.63-0.79); p 

  7. P S L, Miskan MM, Y Z C, Zaki RA
    BMC Anesthesiol, 2017 Oct 11;17(1):137.
    PMID: 29020936 DOI: 10.1186/s12871-017-0430-3
    BACKGROUND: Cough on emergence has been reported as a common adverse reaction with sugammadex reversal. We investigated if staggering the dose of sugammadex will reduce emergence cough in a single-center, randomized, double-blinded study.

    METHODS: A hundred and twenty ASA 1-3 adults were randomly reversed with 1 mg/kg sugammadex prior to extubation followed by another 1 mg/kg immediately after extubation (staggered group), single dose of 2 mg/kg sugammadex (single bolus group) or neostigmine 0.02 mg/kg with glycopyrrolate (neostigmine group).

    RESULTS: We found 70% of patients (n = 28) reversed with single boluses of sugammadex had Grade 3 emergence cough compared to 12.5% (n = 5) in the staggered sugammadex group and 17.5% (n = 7) in the neostigmine group (p 

  8. Lubis R, Satria FB, Zaki RA, Nurjazuli N, Hendrati LY
    Public Health Pract (Oxf), 2022 Dec;4:100311.
    PMID: 36072129 DOI: 10.1016/j.puhip.2022.100311
    OBJECTIVES: The COVID-19 pandemic started over 2 years ago and spread rapidly throughout the world. The total number of cases and deaths is still increasing and the situation remains active across the globe. In the Asian region, COVID-19 vaccination began in early 2021; however, the COVID-19 situation remains uncertain. This study aims to compare the factors that influenced the COVID-19 pandemic situation in three countries in Asia (namely, Indonesia, Malaysia and Taiwan) throughout 2021.

    STUDY DESIGN: This ecological study utilises the data from the 'Our World in Data' website.

    METHODS: In this study, the COVID-19 pandemic situation in each country is described by looking at the average daily number of deaths and cases per million population throughout 2021. A paired t-test was conducted to compare the significance of differences in the pandemic situation between 2020 and 2021. In addition, the COVID-19 vaccination profiles throughout 2021 were investigated. A multiple linear regression analysis was then performed to develop models to explain the factors influencing the COVID-19 pandemic situation in these three countries.

    RESULTS: The COVID-19 pandemic situation in Indonesia, Malaysia and Taiwan in 2021 is significantly different from 2020. Malaysia had the highest COVID-19 vaccination coverage (79.4%), followed by Taiwan (78.5%) and Indonesia (58.3%). This study found that the following three factors consistently influenced the number of deaths and cases in these three countries [1]: positivity rate [2]; number of tests per 1000 population; and [3] number of tests per case.

    CONCLUSIONS: Although the severity of the COVID-19 pandemic situations in Indonesia, Malaysia and Taiwan was different, it is significantly influenced by the quality and quantity of COVID-19 testing and screening, in addition to the vaccination programmes and restriction policies implemented in each country. As a result of the ability of the SARS-CoV-2 virus to mutate, it is recommended that each country strengthen their comprehensive approach to have an effective and efficient coping strategy for the COVID-19 pandemic.

  9. Lachyan A, Zaki RA, Banerjee B, Aghamohammadi N
    J Res Health Sci, 2023 Dec 29;23(4):e00596.
    PMID: 38315911 DOI: 10.34172/jrhs.2023.131
    BACKGROUND: This study aimed to assess the efficacy of a dengue intervention program in economically deprived urban regions of India, with a particular emphasis on housing conditions and community involvement. Given the global significance of dengue fever as a vector-borne disease, successful vector management requires effective community engagement. Study Design: A quasi-experimental study.

    METHODS: This study was conducted with 314 participants from Delhi's Sanjay Colony, divided into control and intervention groups. The study spanned 14 months (August 2020 to September 2021). The intervention program comprised two educational sessions held one month apart, covering dengue awareness, health self-care, and environmental maintenance. Data were collected at baseline, after each intervention session, and during a final follow-up assessment three months later.

    RESULTS: The primary outcome, the house index (HI), revealed statistically significant differences (P<0.001) favoring the intervention group. The total score (TS) for mosquito-borne disease, TS of knowledge, TS of attitude, and TS of practices all exhibited significant improvements in the intervention group. Participants showed an enhanced understanding of dengue causes, symptoms, and mosquito behavior related to breeding and biting. The HI in the intervention group decreased significantly from 21.65% to 4.45% (P<0.05).

    CONCLUSION: This study, grounded in the health belief model (HBM), demonstrated the effectiveness of the intervention program in reducing HI and improving knowledge and preventive practices regarding dengue fever in impoverished urban neighborhoods of Delhi. The intervention program may be beneficial in such a poor urban community.

  10. Singh S, Zaki RA, Farid NDN, Kaur K
    Prev Med Rep, 2021 Dec;24:101585.
    PMID: 34976645 DOI: 10.1016/j.pmedr.2021.101585
    Depression is a common mental disorder that affects many adolescents worldwide. Therefore, there is a need for reliable instruments to screen for depression symptoms among adolescents. This study aims to determine the reliability of the Malay version of the Centre of Epidemiological Studies Depression Scale (CESD) among adolescents in Malaysia. A cross-sectional study was conducted among 65 adolescents ages between 12 and 14 years from two secondary schools in the Federal Territory of Kuala Lumpur from May 2017 to July 2017. Cronbach's alpha (α), McDonald's omega (ω), Spearman Brown split half reliability (rSB), and Intra-class Correlation Coefficient (ICC) were examine to determine the internal consistency and two week test-retest reliability. The overall CESD scale was found to have good internal consistency with α = 0.882 (95% CI 0.837, 0.914), ω = 0.886 (95% CI 0.837, 0.916) and rSB = 0.909. The CESD subscales, Somatic symptoms (α = 0.824; 95% CI 0.739, 0.878; ω = 0.828; 95% CI 0.738, 0.885; rSB = 0.825), Depressive affect (α = 0.822; 95% CI 0.745, 0.880; ω = 0.834; 95% CI 0.750, 0.884; rSB = 0.847) and Positive affect (α = 0.610; 95% CI 0.326, 0.721; ω = 0.612; 95% CI 0.379, 0.723 and rSB = 0.608) indicated acceptable to good internal consistency. The 2-week test-retest reliability ICC was 0.926 (95% CI 0.851, 0.961) for the total score reliability. The reliability analysis of the Malay version of CESD shows satisfactory α, ω, rSB and ICC values, therefore making it a reliable instrument to screen for depression among adolescents in Malaysia.
  11. Yasin SM, Masilamani R, Ming MF, Koh D, Zaki RA
    PMID: 23082600
    Perceived risks and benefits of quitting smoking may be important factors in successful treatment. This study examined the association between initial perceived risks and benefits of quitting smoking and outcomes during a two month smoking cessation attempt. Participants (n = 185) were treatment-seeking smokers attending two smoking cessation clinics in Klang Valley, Malaysia. They received structured behavioral therapy and free Nicotine Replacement Therapy (NRT). Prior to treatment, a 12 item Perceived Risks and Benefits Questionnaire (PRBQ) was administered. This was used to assess the smoker's initial perceptions during their quit attempt. Participants were re-contacted at the end of two months to determine their smoking status. The results show participants intending to quit demonstrated a greater understanding of the benefits of quitting smoking than the risks of quitting. Those with a higher education level had a greater understanding of the benefits of quitting (p = 0.02). PRBQ items, such as perceived risks of quitting (ie weight gain, negative affect, social ostracism, loss of enjoyment and craving) were not associated with abstinence at two months. However, those who perceived a benefit of higher physical attraction post-cessation were less likely to have stopped smoking at two months (OR 0.18; 95% CI 0.08-0.45). Other perceived benefits at baseline, such as health, general well-being, self-esteem, finances and social approval, were not associated with smoking cessation at two months. The results suggest that in our study population, smokers' baseline perceptions of the benefits of cessation of smoking prior to therapy are not associated with quit results at two months. Counseling patients regarding the advantages and disadvantages of quitting may have changed their perceptions during quitting process and should be further explored in future studies.
    Study site: Smoking cessation clinics, University Malaya and Universiti Teknology Mara, Klang Valley, Malaysia
  12. Sharif SP, Friedmacher F, Amin A, Zaki RA, Hird MF, Khashu M, et al.
    J Pediatr Surg, 2020 Dec;55(12):2625-2629.
    PMID: 32771214 DOI: 10.1016/j.jpedsurg.2020.07.003
    PURPOSE: To investigate whether serum albumin (SA) concentration can predict the need for surgical intervention in neonates with necrotizing enterocolitis (NEC).

    METHODS: Retrospective review of all cases with NEC Bell's stage 2 and 3 that were treated in a single center between 2009 and 2015. Data on patient demographics, clinical parameters, laboratory findings and surgical status were recorded. Receiver operating characteristics analysis was used to evaluate optimal cutoffs and predictive values.

    RESULTS: Overall, 151 neonates with NEC were identified. Of these, 132 (87.4%) had confirmed NEC Bell's stage 2. The median gestational age was 28.4 (range, 23.1-39.0) weeks and 69 (52.3%) had a birth weight of ≤1000 g. Sixty-eight (51.5%) underwent surgery, showing a sustained reduction in SA over time with significantly lower median SA levels compared to 64 (48.5%) cases that responded well to medical treatment (18.3 ± 3.7 g/L vs. 26.0 ± 2.0 g/L; P 

  13. Krishnan V, Zaki RA, Nahar AM, Jalaludin MY, Majid HA
    Lancet Reg Health West Pac, 2021 Oct;15:100228.
    PMID: 34528009 DOI: 10.1016/j.lanwpc.2021.100228
    Introduction: The triple burden of malnutrition characterised by stunting and wasting, overweight/obesity, and anaemia experienced by Malaysians causes severe and long-lasting damage during the period of development and rapid growth, particularly in adolescence. This study aimed to demonstrate the trend of anaemia prevalence and to determine its longitudinal association with nutritional status and lifestyle among Malaysian adolescents.

    Method: The study involved secondary data analysis from the Malaysian Health and Adolescents Longitudinal Research Team (MyHeART) study. A closed cohort secondary data analysis was performed from the dynamic cohort of 528 adolescents (male = 151; female = 377) aged 13 years attending secondary school who were followed up at 15 and 17 years. Anaemia status was determined by haemoglobin level < 12g/dL based on FBC, and iron deficiency anaemia (IDA) was determined when the Mentzer Index < 13. A generalised estimating equation (GEE) was constructed to investigate the longitudinal relationship between nutritional status and lifestyle on anaemia status over five years.

    Results: The trend of anaemia prevalence increased significantly across the age group (7•9%; 95% CI: 2•3-11•1, 13•9%; 95% CI: 10•8-15•7 and 15•8%; 95% CI: 3•8-23•1) at 13, 15 and 17 years, respectively, especially among females. The trend of anaemia prevalence among females, also increased significantly across the age group (11.1%;95% CI:6.7-17.8, 15.7%;95% CI:11.4-21.3, 23.1%;95% CI:16.8-31.0). A similar trend was noted for the prevalence of IDA among those who were anaemic (66•5%; 95% CI: 40•4-85•3, 72•2%;95% CI: 54•8-85•4, 76•3%; 95% CI: 59•2-87•7). A longitudinal analysis using GEE revealed that adolescents who did not meet the Recommended Nutrient Intake (RNI) for total iron intake per day were significantly associated with anaemia (RR=1•517;95% CI: 1•012-2•275; p=0•044) and IDA (RR=1•776;95% CI: 1•225-2•57; p= 0•002).

    Conclusion: The overall trend of anaemia among adolescents is in increasing trend and anaemia is prevalent among female adolescents in this study. It is crucial to understand that the current fortification strategy may need to be revisited, and robust intervention programmes are necessary and should be sex specific.

  14. Loh PS, Yeong CH, Masohood NS, Sulaiman N, Zaki RA, Fabell K, et al.
    Sci Rep, 2021 01 27;11(1):2299.
    PMID: 33504909 DOI: 10.1038/s41598-021-81913-1
    Microwave ablation (MWA) is gaining popularity for the treatment of small primary hepatocellular carcinoma and metastatic lesions especially if patients are not candidates for surgical resection. Deep neuromuscular blockade (DMB) is perceived to improve surgical working conditions compared to moderate neuromuscular blockade (MMB) but no studies have examined the same benefits in MWA of liver tumours. This study aimed to compare the clinical outcomes of DMB and MMB in MWA of liver tumours in terms of liver excursion, performance scores by the interventional radiologists and patients, requirements of additional muscle relaxants and complications. 50 patients were recruited and 45 patients (22 in MMB group, 23 in DMB group) completed the study. The mean liver excursion for the MMB group (1.42 ± 1.83 mm) was significantly higher than the DMB group (0.26 ± 0.38 mm) (p = 0.001). The mean Leiden-Surgical Rating Scale (L-SRS) rated by the two interventional radiologists were 4.5 ± 0.59 and 3.6 ± 0.85 for the DMB and MMB groups, respectively (p = 0.01). There was also statistically significant difference on patient satisfaction scores (0-10: Extremely Dissatisfied-Extremely Satisfied) between DMB (8.74 ± 1.1) and MMB (7.86 ± 1.25) groups (p = 0.01). 5 patients from MMB group and none from DMB group required bolus relaxant during the MWA procedure. Adverse events were also noted to be more severe in the MMB group. In conclusion, DMB significantly reduced liver excursion and movement leading to improved accuracy, safety and success in ablating liver tumour.
  15. Ramakreshnan L, Aghamohammadi N, Fong CS, Bulgiba A, Zaki RA, Wong LP, et al.
    Environ Sci Pollut Res Int, 2018 Jan;25(3):2096-2111.
    PMID: 29209970 DOI: 10.1007/s11356-017-0860-y
    Seasonal haze episodes and the associated inimical health impacts have become a regular crisis among the ASEAN countries. Even though many emerging experimental and epidemiological studies have documented the plausible health effects of the predominating toxic pollutants of haze, the consistency among the reported findings by these studies is poorly understood. By addressing such gap, this review aimed to critically highlight the evidence of physical and psychological health impacts of haze from the available literature in ASEAN countries. Systematic literature survey from six electronic databases across the environmental and medical disciplines was performed, and 20 peer-reviewed studies out of 384 retrieved articles were selected. The evidence pertaining to the health impacts of haze based on field survey, laboratory tests, modelling and time-series analysis were extracted for expert judgement. In specific, no generalization can be made on the reported physical symptoms as no specific symptoms recorded in all the reviewed studies except for throat discomfort. Consistent evidence was found for the increase in respiratory morbidity, especially for asthma, whilst the children and the elderly are deemed to be the vulnerable groups of the haze-induced respiratory ailments. A consensual conclusion on the association between the cardiovascular morbidity and haze is unfeasible as the available studies are scanty and geographically limited albeit of some reported increased cases. A number of modelling and simulation studies demonstrated elevating respiratory mortality rates due to seasonal haze exposures over the years. Besides, evidence on cancer risk is inconsistent where industrial and vehicular emissions are also expected to play more notable roles than mere haze exposure. There are insufficient regional studies to examine the association between the mental health and haze. Limited toxicological studies in ASEAN countries often impede a comprehensive understanding of the biological mechanism of haze-induced toxic pollutants on human physiology. Therefore, the lack of consistent evidence among the reported haze-induced health effects as highlighted in this review calls for more intensive longitudinal and toxicological studies with greater statistical power to disseminate more reliable and congruent findings to empower the institutional health planning among the ASEAN countries.
  16. Al-Shahethi AH, Zaki RA, Al-Serouri AWA, Bulgiba A
    Women Birth, 2019 Apr;32(2):e204-e215.
    PMID: 30030021 DOI: 10.1016/j.wombi.2018.06.016
    BACKGROUND: Perinatal mortality remains a major international problem responsible for nearly six million stillbirths and neonatal deaths.

    OBJECTIVES: To estimate the perinatal mortality rate in Sana'a, Yemen and to identify risk factors for perinatal deaths.

    METHODS: A community-based prospective cohort study was carried out between 2015 and 2016. Nine-hundred and eighty pregnant women were identified and followed up to 7 days following birth. A multi-stage cluster sampling was used to select participants from community households', residing in the five districts of the Sana'a City, Yemen.

    RESULTS: Total of 952 pregnant women were tracked up to 7 days after giving birth. The perinatal mortality rate, the stillbirth rate and the early neonatal mortality rate, were 89.3 per 1000, 46.2 per 1000 and 45.2 per 1000, respectively. In multivariable analysis older age (35+ years) of mothers at birth (Relative Risk=2.83), teenage mothers' age at first pregnancy (<18 years) (Relative Risk=1.57), primipara mothers (Relative Risk=1.90), multi-nuclear family (Relative Risk=1.74), mud house (Relative Risk=2.02), mothers who underwent female genital mutilation (Relative Risk=2.92) and mothers who chewed khat (Relative Risk=1.60) were factors associated with increased risk of perinatal death, whereas a positive mother's tetanus vaccination status (Relative Risk=0.49) were significant protective factors against perinatal deaths.

    CONCLUSION: Rates of perinatal mortality were higher in Sana'a City compared to perinatal mortality at the national level estimated by World Health Organization. It is imperative there be sustainable interventions in order to improve the country's maternal and newborn health.

  17. Zulkipli MS, Rampal S, Bulgiba A, Peramalah D, Jamil N, See LLC, et al.
    Trans R Soc Trop Med Hyg, 2021 07 01;115(7):764-771.
    PMID: 33587144 DOI: 10.1093/trstmh/trab021
    BACKGROUND: Dengue, an acute infectious disease caused by a flavivirus, is a threat to global health. There is sparse evidence exploring obesity and the development of more severe dengue cases in adults. With increasing prevalence of obesity in areas with a high risk of dengue infection, obesity may increase the burden and mortality related to dengue infection. Our study aimed to determine the association between obesity and the development of more severe dengue infection in primary healthcare settings and whether these associations were modified by dengue fever phase.

    METHODS: A cohort study was conducted among laboratory-confirmed dengue patients aged >18 y in the central region of Peninsular Malaysia from May 2016 to November 2017. We collected demographic, clinical history, physical examination and laboratory examination information using a standardized form. Dengue severity (DS) was defined as either dengue with warning signs or severe dengue. Participants underwent daily follow-up, during which we recorded their vital signs, warning signs and full blood count results. Incidence of DS was modeled using mixed-effects logistic regression. Changes in platelet count and hematocrit were modeled using mixed-effects linear regression. The final multivariable models were adjusted for age, gender, ethnicity and previous dengue infection.

    RESULTS: A total of 173 patients were enrolled and followed up. The mean body mass index (BMI) was 37.4±13.75 kg/m2. The majority of patients were Malay (65.9%), followed by Chinese (17.3%), Indian (12.7%) and other ethnic groups (4.1%). A total of 90 patients (52.0%) were male while 36 patients (20.8%) had a previous history of dengue infection. BMI was significantly associated with DS (adjusted OR=1.17; 95% CI 1.04 to 1.34) and hematocrit (%) (aβ=0.09; 95% CI 0.01 to 0.16), but not with platelet count (x103/µL) (aβ=-0.01; 95% CI -0.84 to 0.81). In the dose response analysis, we found that as BMI increases, the odds of DS, hematocrit levels and platelet levels increase during the first phase of dengue fever.

    CONCLUSION: Higher BMI and higher hematocrit levels were associated with higher odds of DS. Among those with high BMI, the development of DS was observed during phase one of dengue fever instead of during phase two. These novel results could be used by clinicians to help them risk-stratify dengue patients for closer monitoring and subsequent prevention of severe dengue complications.

  18. Selvarajoo S, Liew JWK, Chua TH, Tan W, Zaki RA, Ngui R, et al.
    Sci Rep, 2022 01 12;12(1):571.
    PMID: 35022501 DOI: 10.1038/s41598-021-04643-4
    Dengue remains a major public threat and existing dengue control/surveillance programs lack sensitivity and proactivity. More efficient methods are needed. A cluster randomized controlled trial was conducted for 18 months to determine the efficacy of using a combination of gravid oviposition sticky (GOS) traps and dengue non-structural 1 (NS1) antigen for early surveillance of dengue among Aedes mosquito. Eight residential apartments were randomly assigned into intervention and control groups. GOS traps were placed at the intervention apartments weekly to trap Aedes mosquitoes and these tested for dengue NS1 antigen. When dengue-positive pool was detected, the community were notified and advised to execute protective measures. Fewer dengue cases were recorded in the intervention group than the control. Detection of NS1-positive mosquitoes was significantly associated with GOS Aedes index (rs = 0.68, P 
  19. Zuhdi AS, Ahmad WA, Zaki RA, Mariapun J, Ali RM, Sari NM, et al.
    Singapore Med J, 2016 Apr;57(4):191-7.
    PMID: 26768171 DOI: 10.11622/smedj.2015145
    The elderly are often underrepresented in clinical trials for acute coronary syndrome (ACS), and cardiologists commonly face management dilemmas in the choice of treatment for this group of patients, particularly concerning the use of invasive revascularisation. This study analysed the characteristics of hospitalised elderly patients with ACS, and compared the outcomes of treatments.
  20. Sallih ASM, Wee MW, Zaki RA, Hng SY, Eg KP, Nathan AM, et al.
    Pediatr Pulmonol, 2023 Jun;58(6):1784-1797.
    PMID: 37014160 DOI: 10.1002/ppul.26403
    BACKGROUND: Few studies have examined the impact of Coronavirus disease 2019 (COVID-19) infection on children with chronic lung disease (CLD).

    OBJECTIVE: To perform a systematic review and meta-analysis to determine the prevalence, risk factors for contracting COVID-19, and complications of COVID-19, in children with CLD.

    METHODS: This systematic review was based on articles published between January 1, 2020 and July 25, 2022. Children under 18 years old, with any CLD and infected with COVID-19 were included.

    RESULTS: Ten articles involving children with asthma and four involving children with cystic fibrosis (CF) were included in the analyses. The prevalence of COVID-19 in children with asthma varied between 0.14% and 19.1%. The use of inhaled corticosteroids (ICS) was associated with reduced risk for COVID-19 (risk ratio [RR]: 0.60, 95% confidence interval [CI]: 0.40-0.90). Uncontrolled asthma, younger age, AND moderate-severe asthma were not significant risk factors for contracting COVID-19. Children with asthma had an increased risk for hospitalization (RR: 1.62, 95% CI: 1.07-2.45) but were not more likely to require assisted ventilation (RR: 0.51, 95% CI: 0.14-1.90). The risk of COVID-19 infection among children with CF was <1%. Posttransplant and cystic fibrosis-related diabetes mellitus (CFRDM) patients were at an increased risk for hospitalization and intensive care treatment.

    CONCLUSION: Hospitalizations were higher in children with asthma with COVID-19 infection. However, using ICS reduced the risk of COVID-19 infection. As for CF, postlung transplantation and CFRDM were risk factors for severe disease.

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