Mohd hasni jaafar

Dr. Mohd hasni jaafar

University Kebangsaan Malaysia
orcid

Research Focus & Metrics

Academic Career Length

9Years (2018-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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4 March 2021 in Biological Trace Element Research
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MWMohd Shahrol Abd Wahil
Mohd Shahrol Abd Wahil
MJMohd hasni jaafar
Mohd hasni jaafar
ZIZaleha Md Isa
Zaleha Md Isa
Lead (Pb) is a heavy metal which is abundant in the environment and known to cause neurotoxicity in children even at minute concentration. However, the trace elements calcium (Ca), magnesium (Mg), zinc (Zn) and iron (Fe) are essential to children due to its protective effect on neurodevelopment. The primary objective of this study was to assess the role of Pb and trace elements in the development of autism spectrum disorder (ASD) among preschool children. A total of 81 ASD children and 74 typically developed (TD) children aged between 3 and 6 years participated in the study. Self-administered online questionnaires were completed by the parents. A first-morning urine sample was collected in a sterile polyethene urine container and assayed for Pb, Ca, Mg, Zn and Fe using an inductively coupled plasma mass spectrometry (ICP-MS). Comparisons between groups revealed that the urinary Pb, Mg, Zn and Fe levels in ASD children were significantly lower than TD children. The odds of ASD reduced significantly by 5.0% and 23.0% with an increment of every 1.0 μg/dL urinary Zn and Fe, respectively. Post interaction analysis showed that the odds of ASD reduced significantly by 11.0% and 0.1% with an increment of every 1.0 μg/dL urinary Zn and Pb, respectively. A significantly lower urinary Pb level in ASD children than TD children may be due to their poor detoxifying mechanism. Also, the significantly lower urinary Zn and Fe levels in ASD children may augment the neurotoxic effect of Pb.

28 October 2024 in BMC Health Services Research
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DHDina Syazana Ho Imran Ho
Dina Syazana Ho Imran Ho
MJMohd hasni jaafar
Mohd hasni jaafar
ANAzmawati Mohammed Nawi
Azmawati Mohammed Nawi
Surveys on Patient Safety Culture™ Hospital Survey (HSOPSC) developed by the U.S. Agency for Healthcare Research and Quality (AHRQ) has been adopted worldwide. The Hospital Survey on Patient Safety Culture (HSOPSC) version 2.0 was released in 2019, but there have been no publications to date of its translation and validation for use in Malaysia. This study aimed to translate and cross-culturally adapt the revised HSOPSC 2.0 into the Malay language and determine its psychometric properties including the content, face, and construct validity, and reliability analyses. This study was conducted from April – June 2023 and divided into three stages: translation and cultural adaptation; content and face validation; and construct validation using confirmatory factor analysis and reliability testing among 319 healthcare personnel from a public university hospital in Malaysia. The translated instrument demonstrated excellent content validity (I-CVI = 0.80 ~ 1.0, SCVI-average = 0.96) and face validity (I-FVI = 0.80 ~ 1.0, SFVI-average = 0.98). Reliability testing was acceptable (Cronbach’s α = 0.60 ~ 0.80) but indicated that reverse-coded items were poorly perceived. Confirmatory factor analysis showed a satisfactory model fit for the translated instrument (RMSEA = 0.08, GFI = 0.80, CFI = 0.80, and χ2/df = 2.96). Six items had very low factor loadings (< 0.40), with two constructs “Staffing and Work Pace” and “Response to Error” having AVE < 0.4, but acceptable CR ≥ 0.6. No items were removed from the questionnaire despite low factor loadings following a consensus from an expert panel. The Malay version of the HSOPSC 2.0 containing ten domains and 32 items demonstrated satisfactory psychometric properties following expert consensus, with acceptable reliability and construct validity for measuring patient safety culture. Given factor loadings smaller than 0.40 in six items, broader validation is suggested to support the use of the translated instrument in the Malaysian healthcare setting.

18 July 2023 in Sensors
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KAKhalida Azudin
Khalida Azudin
Kok Beng GanKok Beng Gan
Kok Beng Gan
RJRosmina Jaafar
Rosmina Jaafar
MJMohd hasni jaafar
Mohd hasni jaafar
Not long ago, hearables paved the way for biosensing, fitness, and healthcare monitoring. Smart earbuds today are not only producing sound but also monitoring vital signs. Reliable determination of cardiovascular and pulmonary system information can explore the use of hearables for physiological monitoring. Recent research shows that photoplethysmography (PPG) signals not only contain details on oxygen saturation level (SPO2) but also carry more physiological information including pulse rate, respiration rate, blood pressure, and arterial-related information. The analysis of the PPG signal from the ear has proven to be reliable and accurate in the research setting. (1) Background: The present integrative review explores the existing literature on an in-ear PPG signal and its application. This review aims to identify the current technology and usage of in-ear PPG and existing evidence on in-ear PPG in physiological monitoring. This review also analyzes in-ear (PPG) measurement configuration and principle, waveform characteristics, processing technology, and feature extraction characteristics. (2) Methods: We performed a comprehensive search to discover relevant in-ear PPG articles published until December 2022. The following electronic databases: Institute of Electrical and Electronics Engineers (IEEE), ScienceDirect, Scopus, Web of Science, and PubMed were utilized to conduct the studies addressing the evidence of in-ear PPG in physiological monitoring. (3) Results: Fourteen studies were identified but nine studies were finalized. Eight studies were on different principles and configurations of hearable PPG, and eight studies were on processing technology and feature extraction and its evidence in in-ear physiological monitoring. We also highlighted the limitations and challenges of using in-ear PPG in physiological monitoring. (4) Conclusions: The available evidence has revealed the future of in-ear PPG in physiological monitoring. We have also analyzed the potential limitation and challenges that in-ear PPG will face in processing the signal.

23 February 2022 in Sustainability
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KAKHADIJAH ALAVI
KHADIJAH ALAVI
Rosnah SutanRosnah Sutan
Rosnah Sutan
Suzana ShaharSuzana Shahar
Suzana Shahar
MMMohd Rizal Abdul Manaf
Mohd Rizal Abdul Manaf
MJMohd hasni jaafar
Mohd hasni jaafar
FLFaculty of Law
Faculty of Law
Globally, we face a rapid double growth of the ageing population that urges an integrated framework plan by connecting the health and social care disciplines as a shared and continuum of care approach. Bridging the gap between health and social care is required to meet the demand of ageing population needs, the readiness of the stakeholders, and community as a holistic approach. This article provides an overview of the evidence gap between social care and healthcare through a scoping review. Articles retrieved related to social and health care for older adults in the Asia region were identified through a compilation of PubMed, SAGE, Springer, and Google Scholar searches between the years 2015 to 2021. Only twelve articles were used for result generation. The majority highlights the constraint on financial support, issues related to culture, human resource competency and community participation. The systematic review of the current work provides valuable insight for future researchers and policymakers in designing sustainable development integrated long term care (LTC) framework models and plans.

11 February 2025 in PeerJ
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MRMuhammad Ridzwan Rafi’i
Muhammad Ridzwan Rafi’i
MJMohd hasni jaafar
Mohd hasni jaafar
ANAzmawati Mohammed Nawi
Azmawati Mohammed Nawi
SHShahrul Azhar Md Hanif
Shahrul Azhar Md Hanif
SASiti Najiha Md Asari
Siti Najiha Md Asari
Background: Toxic heavy metals such as chromium (Cr), arsenic (As), cadmium (Cd), mercury (Hg), and lead (Pb) are known to be priority pollutants due to their high degrees of toxicity and widespread presence in the environment. This review aimed to explore the association between heavy metals and noncancerous thyroid diseases by synthesizing findings from observational and experimental studies. This review addressed a critical intersection of environmental health, endocrinology, and public health. The findings would be of interest to a wide range of disciplines given the ubiquitous presence of toxic heavy metals in the environment and their potential to disrupt endocrine systems. The evidence-based information from diverse fields generated from this review will provide insights into the health implications of heavy metal exposure on thyroid function and guide the necessary interdisciplinary research and collaborative interventions. Method: Three databases were searched, namely PubMed, Web of Science, and Scopus. The Arksey and O’Malley (2005) framework was used as a guide in conducting this scoping review. The reporting was carried out based on the Preferred Reporting Items for Systematic Reviews and the Meta-Analyses Extension for Scoping Reviews (PRISMA). The literature search retrieved 552 articles and 29 articles were included in the final review. Results: As high as 83% of the 29 included studies followed an observational study design while the rest were experimental animal studies. Among the observational studies, two-thirds (66%) were cross-sectional studies while the rest were case-control studies (31%) and cohort studies (n = 1, 3%). Few number of studies in this review reported a significant association between Cr, As, Cd, Hg, and Pb with noncancerous thyroid diseases (2, 3, 16, 8, and 12) while another few (5, 8, 9, 5, and 11) did not show any significant association. Conclusion: A heterogeneous and diverse sample population in the included studies could have potentially led to mixed findings about the association between toxic heavy metals and thyroid diseases in this review. Therefore, future research should prioritize longitudinal studies and controlled clinical trials to better elucidate the causative mechanisms and long-term impact of heavy metal exposure on thyroid health.

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RSRakesh Singh Sandhu
Rakesh Singh Sandhu
HIHalim Bin Ismail
Halim Bin Ismail
MJMohd hasni jaafar
Mohd hasni jaafar
SRSanjay Rampal
Sanjay Rampal
Over the past decade, increased awareness about leptospirosis disease in developing and industrialized countries has resulted in increased numbers of leptospirosis cases being reported worldwide. About 5% to 15% of leptospirosis patients end up with severe forms of the disease. Complication due to leptospirosis requires monitoring, specific treatments, and intensive care admission, thus increasing the cost of treating severe leptospirosis cases. Currently, we have data on incident and mortality rates, but we do not have data on the number of patients with severe form of leptospirosis or how many patients have complications, and whether or not these complications were resolved. Therefore, we carried out this study to determine the predictive factors for severe leptospirosis cases in Kedah. We conducted a cross-sectional study. The data of patients diagnosed with leptospirosis were obtained from the surveillance unit, Kedah Health Department, through the e-notification system. These data were then sorted according to the hospitals where the patients were admitted. The patients’ medical records were collected, and their information was obtained using a checklist. A total of 456 confirmed leptospirosis cases were included in the study, with 199 patients classified as severe cases and 257 patients as mild cases, based on the Malaysian leptospirosis guidelines. Most patients were male (71.5%) with a mean SD age of 36.62 ± 20.75 years. The predictive factors for severe leptospirosis include abnormal lung sounds (OR: 3.07 [CI 1.58–6.00]), hepatomegaly (OR: 7.14 [1.10–45.98]), hypotension (OR: 2.16 [1.08–4.34]), leukocytosis (OR: 2.12 [1.37–3.29]), low hematocrit (OR: 2.33 [1.43–3.81]), and increased alanine aminotransferase (SGPT ALT) (OR: 2.12 [1.36–3.30]). In conclusion, knowing these predictive factors will help clinicians identify severe leptospirosis cases earlier and develop their treatment plans accordingly, to reduce the complications and death from severe leptospirosis.