Displaying publications 1 - 20 of 38 in total

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  1. Religion and spirituality in coping with advanced breast cancer: perspectives from Malaysian Muslim women
    Ahmad F, Muhammad Mb, Abdullah AA
    J Relig Health, 2011 Mar;50(1):36-45.
    PMID: 20924683 DOI: 10.1007/s10943-010-9401-4
    This article is part of a larger study on the role of spirituality in coping with breast cancer among Malaysian Muslim women. The study seeks to reveal the meaning of the experience through the stories of three Muslim women surviving advanced breast cancer, to better understand the deep meanings that inform their experiences with spirituality and transformation as they cope with the challenges of breast cancer. Data were gathered using in-depth interview. Qualitative methods were used in identifying two themes--illness as an awakening and hope and freedom comes from surrendering to God. The themes were discussed in the context of two broad areas: (1) what are the new meanings these women discovered in their experiences with cancer; and (2) how did the new meanings change their lives? The study suggests that cancer survivors' experiences with cancer and their learning processes must be understood within the appropriate cultural context. This is especially so for spirituality. The common emphasis of spirituality on relationship with God, self and others, may significantly influence how people learn to live with cancer.
  2. Fulltext Cyanobacteria: Photoautotrophic Microbial Factories for the Sustainable Synthesis of Industrial Products
    Lau NS, Matsui M, Abdullah AA
    Biomed Res Int, 2015;2015:754934.
    PMID: 26199945 DOI: 10.1155/2015/754934
    Cyanobacteria are widely distributed Gram-negative bacteria with a long evolutionary history and the only prokaryotes that perform plant-like oxygenic photosynthesis. Cyanobacteria possess several advantages as hosts for biotechnological applications, including simple growth requirements, ease of genetic manipulation, and attractive platforms for carbon neutral production process. The use of photosynthetic cyanobacteria to directly convert carbon dioxide to biofuels is an emerging area of interest. Equipped with the ability to degrade environmental pollutants and remove heavy metals, cyanobacteria are promising tools for bioremediation and wastewater treatment. Cyanobacteria are characterized by the ability to produce a spectrum of bioactive compounds with antibacterial, antifungal, antiviral, and antialgal properties that are of pharmaceutical and agricultural significance. Several strains of cyanobacteria are also sources of high-value chemicals, for example, pigments, vitamins, and enzymes. Recent advances in biotechnological approaches have facilitated researches directed towards maximizing the production of desired products in cyanobacteria and realizing the potential of these bacteria for various industrial applications. In this review, the potential of cyanobacteria as sources of energy, bioactive compounds, high-value chemicals, and tools for aquatic bioremediation and recent progress in engineering cyanobacteria for these bioindustrial applications are discussed.
  3. Biosynthesis and characterization of poly (3-hydroxybutyrate-co-3-hydroxyvalerate-co-4-hydroxybutyrate) terpolymer with various monomer compositions by Cupriavidus sp. USMAA2-4
    Ramachandran H, Iqbal NM, Sipaut CS, Abdullah AA
    Appl Biochem Biotechnol, 2011 Jul;164(6):867-77.
    PMID: 21302147 DOI: 10.1007/s12010-011-9180-8
    Poly(3-hydroxybutyrate-co-3-hydroxyvalerate-co-4-hydroxybutyrate) [P(3HB-co-3HV-co-4HB)] terpolymer was produced using Cupriavidus sp. USMAA2-4 via one-step cultivation process through combination of various carbon sources such as 1,4-butanediol or γ-butyrolactone with either 1-pentanol, valeric acid, or 1-propanol. Oleic acid was added to increase the biomass production. The composition of 3HV and 4HB monomers were greatly affected by the concentration of 1,4-butanediol and 1-pentanol. Terpolymers with 3HV and 4HB molar fractions ranging from 2 to 41 mol.% and 5 to 31 mol.%, respectively, were produced by varying the concentration of carbon precursors. The thermal and mechanical properties of the terpolymers containing different proportions of the constituent monomers were characterized using gel permeation chromatography (GPC), DSC, and tensile machine. GPC analysis showed that the molecular weights (M (w)) of the terpolymer produced were within the range of 346 to 1,710 kDa. The monomer compositions of 3HV and 4HB were also found to have great influences on the thermal and mechanical properties of the terpolymer P(3HB-co-3HV-co-4HB) produced.
  4. Fulltext Unilateral ischaemic retinopathy and bilateral subdural haemorrhage in an infant with non-accidental injury: An ophthalmological approach
    Ee CL, Mohd Abdullah AA, Samsudin A, Khaliddin N
    Ulus Travma Acil Cerrahi Derg, 2019 09;25(5):527-530.
    PMID: 31475330 DOI: 10.5505/tjtes.2018.57059
    Non-accidental injury (NAI) is not an uncommon problem worldwide, which leads to significant morbidity and mortality in infants. The presence of retinal or subdural haemorrhages, or encephalopathy with injuries inconsistent with the clinical history is highly suggestive of NAI. In this study, we report on a case of a a 3-month-old infant who presented to the casualty department with a very sudden onset of recurrent generalised tonic-clonic seizures. There was no history of trauma or visible external signs. She was found to have bilateral subdural haemorrhages and atypical unilateral ischaemic retinopathy. Retinal photocoagulation was performed with subsequent resolution of vitreous and retinal haemorrhages. However, visual recovery in that eye remained poor. The findings showed that a high index of suspicion of NAI is required in infants with intracranial haemorrhage and unilateral retinal haemorrhages.
  5. Fulltext An audit of the caseload and waiting time for orthodontic treatment in a university setting
    Abang Abdullah AA, Ruslan R, Mohd. Yashin SH
    Malaysian Dental Journal, 2011;32(1):17-20.
    MyJurnal
    Objective: To audit the amount and complexity of case load and the waiting time for orthodontic treatment in Orthodontic Department of Universiti Kebangsaan Malaysia (UKM).
    Materials and Methods: This study involved three waiting list records in Orthodontic department, UKM and 484 patients’ record were selected using Random Sampling technique. Demographic data of the patients were noted. Data on date of patient’s visit to ‘Klinik Rawatan Utama’ (KRU), Screening clinic and first orthodontic treatment (removable/fixed) clinics were also recorded. The severity of referred cases were graded using complexity scale (Russle et al, 1999).
    Results: Patients were mostly female (76%) with age ranging from 10 to 52 years old. 75% of the referred cases were complex cases. From the year 2002-2007, 35% were referred for removable and 65% were referred for fixed clinic. In average, orthodontic screening waiting time was 6.9 ± 2.5 month. Patient would received removable and fixed appliance treatment after 4.4 ± 1.0 months and 14.5 ± 9.8 months respectively.
    Conclusions: Most patients were referred to fixed waiting list. The waiting time from 2002 until 2007 for orthodontic treatment in UKM was longest for fixed followed by screening. The shortest waiting time was for the removable treatment.
    Study site: Orthodontic Department of Universiti Kebangsaan Malaysia (UKM)
  6. Fulltext Neonatal Outcomes of Pregnancies Complicated by Maternal Hyperthyroidism
    Abdullah AA, Ramli N, Yaacob NM, Hussain S
    J ASEAN Fed Endocr Soc, 2022;37(2):15-22.
    PMID: 36578895 DOI: 10.15605/jafes.037.02.03
    OBJECTIVE: This study aimed to determine the proportion, clinical characteristics, hormonal status, median time for normalization of serum thyroxine (FT4) and thyroid-stimulating hormone (TSH) and factors affecting time to thyroid function test (TFT) normalization of neonates born to mothers with maternal hyperthyroidism admitted in our institution.

    METHODOLOGY: This was a retrospective cohort study that included 170 newborns admitted to the Neonatal Intensive Care Unit (NICU) of Hospital Universiti Sains Malaysia (HUSM) with a history of maternal hyperthyroidism from January 2013 until December 2018. We analyzed their baseline demographic and clinical characteristics, maternal thyroid status and antibody levels. Finally, we analyzed newborn thyroid function and thyroid antibodies.

    RESULTS: The proportion of neonates born to mothers with maternal hyperthyroidism was 0.8% (170 of 20,198 neonates within the study period). Seven (4.1%) developed overt hyperthyroidism, while four (2.4%) had thyroid storm. The median time for thyroid function test normalization was 30 days (95% CI: 27.1 to 32.8). The median time for TFT normalization was longer among neonates of mothers with positive thyroid antibodies [46.6 days (95% CI, 20.6 to 39.4)] and of mothers who received anti-thyroid treatment [31.7 days (95% CI, 23.5 to 39.9)].

    CONCLUSION: Neonates born to mothers with hyperthyroidism is uncommon. These babies were observed to have a longer time for normalization of thyroid function tests if their mothers had thyroid antibodies or received anti-thyroid treatment.

  7. Sterically tuned Ag(I)- and Pd(II)-N-heterocyclic carbene complexes of imidazol-2-ylidenes: synthesis, crystal structures, and in vitro antibacterial and anticancer studies
    Haque RA, Salman AW, Budagumpi S, Abdullah AA, Majid AM
    Metallomics, 2013 Jun;5(6):760-9.
    PMID: 23645390 DOI: 10.1039/c3mt00051f
    Unsymmetrically substituted sterically tuned Pd(II)–NHC complexes of the general formula [PdCl2(NHC)2] (NHC = 1-allyl-3-methylimidazolin-2-ylidene, 7; 1-allyl-3-butylimidazol-2-ylidene, 8; 1-benzyl-3-butyl imidazolin-2-ylidene, 9) were prepared through transmetallation from their corresponding Ag(I)–NHC complexes. The Pd complexes were structurally characterized by different spectroscopic and X-ray diffraction methods. Complexes 7 and 9 adopted a trans–anti arrangement of the NHC ligands, whereas complex 8 adopted a cis–syn arrangement. Preliminary antibiogram studies using Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) bacteria showed that Ag(I)–NHC complexes demonstrate higher activity compared with Pd(I)–NHC complexes. Furthermore, Pd(II)–NHC complexes were evaluated for their anticancer potential using the human colorectal cancer cell line. A higher anticancer activity was observed for complexes 8 and 9, with 26.5 and 6.6 mM IC50 values, respectively.
  8. Biosynthesis of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and characterisation of its blend with oil palm empty fruit bunch fibers
    Salim YS, Abdullah AA, Nasri CS, Ibrahim MN
    Bioresour Technol, 2011 Feb;102(3):3626-8.
    PMID: 21115240 DOI: 10.1016/j.biortech.2010.11.020
    Poly(3-hydroxybutyrate-co-38 mol%-3-hydroxyvalerate) [P(3HB-co-38mol%-3HV)] was produced by Cupriavidus sp. USMAA2-4 in the presence of oleic acid and 1-pentanol. Due to enormous production of empty fruit bunch (EFB) in the oil palm plantation and high production cost of P(3HB-co-3HV), oil palm EFB fibers were used for biocomposites preparation. In this study, maleic anhydride (MA) and benzoyl peroxide (DBPO) were used to improve the miscibility between P(3HB-co-3HV) and EFB fibers. Introduction of MA into P(3HB-co-3HV) backbone reduced the molecular weight and improved the thermal stability of P(3HB-co-3HV). Thermal stability of P(3HB-co-3HV)/EFB composites was shown to be comparable to that of commercial packaging product. Composites with 35% EFB fibers content have the highest tensile strength compared to 30% and 40%. P(3HB-co-3HV)/EFB blends showed less chemicals leached compared to commercial packaging.
  9. Fulltext The pattern of completed suicides seen in Kuala Lumpur General Hospital 1999
    Hayati AN, Salina AA, Abdullah AA, Eusni RT, Mansar AH
    Med J Malaysia, 2004 Jun;59(2):190-8.
    PMID: 15559169 MyJurnal
    A study was done on 76 suicide cases managed by the Forensic Pathology Department of Hospital Kuala Lumpur (HKL) from January till December 1999 to explore the pattern of suicide and psychiatric history. The Chinese contributed 52% (n=40) of cases followed by the Indians (29%, n=22) and the Malays (12%, n=9). After the age of sixty, 84.6% of the subjects were Chinese. The common methods of suicide were poisoning (39%), hanging (34%) and jumping from height (22%). Four out of 12 case-notes traced had documented psychiatric history i.e. schizophrenia.
  10. Fulltext Crystal structure and Hirshfeld surface analysis of (E)-3-(2-chloro-6-fluoro-phen-yl)-1-(3-fluoro-4-meth-oxy-phen-yl)prop-2-en-1-one
    Hassan NH, Abdullah AA, Arshad S, Khalib NC, Razak IA
    Acta Crystallogr E Crystallogr Commun, 2016 May 1;72(Pt 5):716-9.
    PMID: 27308026 DOI: 10.1107/S2056989016006526
    In the title chalcone derivative, C16H11ClF2O2, the enone group adopts an E conformation. The dihedral angle between the benzene rings is 0.47 (9)° and an intra-molecular C-H⋯F hydrogen bond closes an S(6) ring. In the crystal, mol-ecules are linked into a three-dimensional network by C-H⋯O hydrogen bonds and aromatic π-π stacking inter-actions are also observed [centroid-centroid separation = 3.5629 (18) Å]. The inter-molecular inter-actions in the crystal structure were qu-anti-fied and analysed using Hirshfeld surface analysis.
  11. Fulltext (E)-1-(Anthracen-9-yl)-3-(2-chloro-6-fluoro-phen-yl)prop-2-en-1-one: crystal structure and Hirshfeld surface analysis
    Abdullah AA, Hassan NH, Arshad S, Khalib NC, Razak IA
    Acta Crystallogr E Crystallogr Commun, 2016 May 1;72(Pt 5):648-51.
    PMID: 27308010 DOI: 10.1107/S2056989016005028
    In the title compound, C23H14ClFO, the enone moiety adopts an E conformation. The dihedral angle between the benzene and anthracene ring is 63.42 (8)° and an intra-molecular C-H⋯F hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are arranged into centrosymmetric dimers via pairs of C-H⋯F hydrogen bonds. The crystal structure also features C-H⋯π and π-π inter-actions. Hirshfeld surface analysis was used to confirm the existence of inter-molecular inter-actions.
  12. Fulltext Dataset in characterization of the polymer produced using different method of synthesis polychloromethylstyrene (PCMS) with clay and without clay
    Ismail N, Nazri NK, Abdullah AA, Wan Nik WMN, Wright LJ
    Data Brief, 2021 Feb;34:106738.
    PMID: 33521179 DOI: 10.1016/j.dib.2021.106738
    Polychloropolymethylstyrene (PCMS) polymers were synthesized with clay Cloisite and without clay Cloisite and chloromethylstyrene (CMS) combine with styrene (1:1) v/v or known as copolymer and clay Cloisite by the polymerization process. The attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectra of each polymer synthesized are reported. The spectra of IR shows the different value of the wavenumber and intensity for each set of different sample. The spectra can be as a reference for others to use in synthesizing this polymer and clay Cloisite for different type of application.
  13. Development and partial characterization of new marine cell line from brain of Asian sea bass Lates calcarifer for virus isolation
    Hasoon MF, Daud HM, Abdullah AA, Arshad SS, Bejo HM
    In Vitro Cell Dev Biol Anim, 2011 Jan;47(1):16-25.
    PMID: 21082288 DOI: 10.1007/s11626-010-9348-5
    A new cell line, Asian sea bass brain (ASBB), was derived from the brain tissue of Asian sea bass Lates calcarifer. This cell line was maintained in Leibovitz L-15 media supplemented with 10% fetal bovine serum (FBS). The ASBB cell line was subcultured more than 60 times over a period of 15 mo. The ASBB cell line consists predominantly of fibroblastic-like cells and was able to grow at temperatures between 20°C and 30°C with an optimum temperature of 25°C. The growth rate of these cells increased as the proportion of FBS increased from 2% to 20% at 25°C with optimum growth at the concentrations of 10% or 15% FBS. Polymerase chain reaction products were obtained from ASBB cells and tissues of sea bass with primer sets of microsatellite markers of sea bass. An isolate of piscine nodavirus from juveniles of marine fish species tested positive by IQ2000 kit for viral nervous necrosis detection and was examined for its infectivity to a fish cell line of ASBB. A marine fish betanodavirus was tested to determine the susceptibility of this new cell line in comparison with commercial highly permissive SSN-1 cells. The ASBB cell line was found to be susceptible to nodavirus (RGNNV genotype), and the infection was confirmed by comparison cytopathic effect (CPE) with commercial SSN-1 and reverse transcriptase-polymerase chain reaction. A nodavirus was further elucidated by electron microscopy, and the virus tested was shown to induce CPE on ASBB cells with significant high titer. This suggests that the ASBB cell line has good potential for the isolation of fish viruses.
  14. Enhanced degradation of polyhydroxyalkanoates (PHAs) by newly isolated Burkholderia cepacia DP1 with high depolymerase activity
    Azami NA, Wirjon IA, Kannusamy S, Teh AH, Abdullah AA
    3 Biotech, 2017 May;7(1):75.
    PMID: 28452023 DOI: 10.1007/s13205-017-0716-7
    The contribution of microbial depolymerase has received much attention because of its potential in biopolymer degradation. In this study, the P(3HB) depolymerase enzyme of a newly isolated Burkholderia cepacia DP1 from soil in Penang, Malaysia, was optimized using response surface methodology (RSM). The factors affecting P(3HB) depolymerase enzyme production were studied using one-variable-at-a-time approach prior to optimization. Preliminary experiments revealed that the concentration of nitrogen source, concentration of carbon source, initial pH and incubation time were among the main factors influencing the enzyme productivity. An increase of 9.4 folds in enzyme production with an activity of 5.66 U/mL was obtained using optimal medium containing 0.028% N of di-ammonium hydrogen phosphate and 0.31% P(3HB-co-21%4HB) as carbon source at the initial pH of 6.8 for 38 h of incubation. Moreover, the RSM model showed great similarity between predicted and actual enzyme production indicating a successful model validation. This study warrants the ability of P(3HB) degradation by B. cepacia DP1 in producing higher enzyme activity as compared to other P(3HB) degraders being reported. Interestingly, the production of P(3HB) depolymerase was rarely reported within genus Burkholderia. Therefore, this is considered to be a new discovery in the field of P(3HB) depolymerase production.
  15. Fulltext Prevalence of low-back pain among public ambulance workers in Kelantan, Malaysia
    Tuan Lonik EA, Tuan Kamauzaman TH, Abdullah AA, Nor J, Ab Hamid SA
    Malaysian Journal of Public Health Medicine, 2017;17(1):126-135.
    MyJurnal
    This study is to determine the prevalence and the associated factors of low-back pain (LBP), which has multifactorial causes, among ambulance workers in Kelantan, Malaysia. The cross-sectional study involved ambulance workers in the emergency department in all government hospitals in Kelantan. Those who did not consent, complete or return the questionnaire as well as having rheumatic diseases were excluded from the study. The participants were asked to answer a self-administered questionnaire in English. Descriptive analyses and Chi-square test were used. A total of 168 respondents had completed the questionnaires with a response rate of 85.0%. Questionnaires with more than 95.0% items completed were included in the analysis (n=143). The respondents had a higher proportion of male than female (63.6% versus 36.4%). Assistant Medical Officer comprised of 60.0% of all respondents and the rest were nurses. The respondents’ age ranged between 23 to 58 years old with a mean age of 38.27 and standard deviation (SD) of 7.27. The mean duration of involvement in ambulance service was 9.68 years (SD 6.97). The majority (98.5%) of the respondents were Malay. Gender, smoking status and hobbies were the associated factors of LBP among ambulance workers. The modifiable risk factors should be emphasized to the ambulance workers as a measure to prevent the development of LBP.
  16. Synthesis, characterization, ecotoxicity and biodegradability evaluations of novel biocompatible surface active lauroyl sarcosinate ionic liquids
    Mustahil NA, Baharuddin SH, Abdullah AA, Reddy AVB, Abdul Mutalib MI, Moniruzzaman M
    Chemosphere, 2019 May 04;229:349-357.
    PMID: 31078892 DOI: 10.1016/j.chemosphere.2019.05.026
    Ionic liquids (ILs) based surfactants have been emerged as attractive alternatives to the conventional surfactants owing to their tailor-made and eco-friendly properties. Therefore, present study described the synthesis of nine new fatty amino acids based IL surfactants utilizing lauroyl sarcosinate anion and pyrrolidinium, imidazolium, pyridinium, piperidinium, morpholinium and cholinium cations for the first time. The synthesized surface active lauroyl sarcosinate ionic liquids (SALSILs) were characterized by 1H NMR, 13C NMR and TGA. Next, the surface tension and critical micellar concentrations were determined and compared with the surface properties of ILs based surfactants. Further, the toxicity and biodegradability of the synthesized SALSIILs were evaluated to confirm their safe and efficient process applications. The studies revealed that three out of nine synthesized SALSILs containing pyridinium cation have showed strong activity towards the tested microbial growth. The remaining six SALSILs met the biocompatible measures demonstrating moderate to low activity depends on the tested microbes. The alicyclic SALSILs containing morpholinium and piperidinium cations have demonstrated 100% biodegradation after 28 days of the test period. Overall, it is believed that the synthesized SALSILs could effectively replace the conventional surfactants in a wide variety of applications.
  17. Development, formulation and optimization of a novel biocompatible ionic liquids dispersant for the effective oil spill remediation
    Baharuddin SH, Mustahil NA, Reddy AVB, Abdullah AA, Mutalib MIA, Moniruzzaman M
    Chemosphere, 2020 Jun;249:126125.
    PMID: 32058133 DOI: 10.1016/j.chemosphere.2020.126125
    The application of chemical dispersants in marine oil spill remediation is comprehensively reported across the globe. But, the augmented toxicity and poor biodegradability of reported chemical dispersants have created necessity for their replacement with the bio-based green dispersants. Therefore, in the present study, we have synthesized five ionic liquids (ILs) namely 1-butyl-3-methylimidazolium lauroylsarcosinate, 1,1'-(1,4-butanediyl)bis(1-H-pyrrolidinium) dodecylbenzenesulfonate, tetrabutylammonium citrate, tetrabutylammonium polyphosphate and tetrabutylammonium ethoxylate oleyl ether glycolate, and formulated a water based ILs dispersant combining the synthesized ILs at specified compositions. The effectiveness of formulated ILs dispersant was found between 70.75% and 94.71% for the dispersion of various crude oils ranging from light to heavy. Further, the acute toxicity tests against zebra fish and grouper fish have revealed the practically non-toxic behaviour of formulated ILs dispersant with LC50 value greater than 100 ppm after 96 h. In addition, the formulated ILs dispersant has provided excellent biodegradability throughout the test period. Overall, the formulated new ILs dispersant is deemed to facilitate environmentally benign oil spill remediation and could effectively substitute the use of hazardous chemical dispersants in immediate future.
  18. Fulltext Occupational asthma as a differential diagnosis of adult-onset asthma – a case report
    Devaraj NK, Abdul Rashid A, Shamsuddin NH, Abdullah AA, Tan CH, Chow ZY
    Malaysian Journal of Medicine and Health Sciences, 2019;15(2):145-147.
    MyJurnal
    Bronchial asthma causes great morbidity and mortality worldwide. Certain occupations especially those exposed to known triggers of asthma such as animal fur, dusts or solvents may trigger asthma attacks in a previously undiagnosed individual or worsen its’ control in a known asthmatic. This is especially true for adult-onset asthma. This may in turn the health of the affected workers and affect their productivity. Affected workers may be given job reassignment and eligible for medical compensation from Social Security Organisation (SOSCO). This case report will look at how two individuals in very distinct occupation were diagnosed with suspected occupational asthma.
  19. Fulltext Comparing the effectiveness of a group-directed video instruction versus instructor-led traditional classroom instruction for learning cardiopulmonary resuscitation skills among first-year medical students: A prospective randomized controlled study
    Marcus M, Abdullah AA, Nor J, Tuan Kamauzaman TH, Pang NTP
    GMS J Med Educ, 2022;39(4):Doc45.
    PMID: 36310890 DOI: 10.3205/zma001566
    Introduction: Bystander cardiopulmonary resuscitation (CPR) training is inconsistent among students and the public. Existing CPR teaching courses are costly, time-consuming, and inconsistent. This study aimed to determine the association between overall CPR competency and two teaching modules, a group-directed video instruction module versus an instructor-led traditional classroom instruction module. Methods: This randomized prospective interventional study involved first year medical students of Universiti Sains Malaysia Health Campus from November 2018 until January 2019. Pass-fail scores representing the overall CPR, individual skill performance, and willingness to perform CPR for strangers and family members were collected. Factors associated with reluctance to perform CPR were assessed in a questionnaire. Results: A total of 99 participants were included, 50 in the group-directed video instruction as the intervention module and 49 in the traditional classroom instruction as the control module. There was no statistical significance between the pass and fail outcomes for both video module (p=0.436). Participants in both modules performed similarly in 8 out of 12 individual CPR skills. There was a significant difference in the distribution of skill scores between the pass and fail outcomes (p=<0.001). The intervention module is non-inferior compared to the control module, in relation to CPR willingness rates for strangers (p=0.999) and family members (p=0.117) after the training. Conclusions: The group-directed video self-instruction method is as effective as the instructor-led traditional classroom method to help participants to be competent and willing to perform CPR. It can be used as an independent or supplementary teaching tool for first-time learners and refreshers, especially in a group setting when teaching materials are limited.
  20. Patient Factors in Inappropriate Antibiotic Prescribing for Upper Respiratory Tract Infection in the Emergency Department
    Ahmad A, Nor J, Abdullah AA, Tuan Kamauzaman TH, Yazid MB
    Malays J Med Sci, 2021 Apr;28(2):72-83.
    PMID: 33958962 DOI: 10.21315/mjms2021.28.2.7
    Background: Emergency departments (EDs) are frequently misused for non-emergency cases such as upper respiratory tract infections (URTIs). Flooding of these cases may contribute to inappropriate antibiotic prescribing. The aim of this study was to determine the patient factors associated with inappropriate antibiotic prescribing for URTIs in the EDs.

    Methods: This cross-sectional study involved patients over age 3 years old who presented with URTI to the green zone of the ED of a tertiary hospital on the east coast of Malaysia in 2018-2019. Convenient sampling was done. The patients were categorised into two groups according to their McIsaac scores: positive (≥ 2) or negative (< 2). Antibiotics given to the negative McIsaac group were considered inappropriate.

    Results: A total of 261 cases were included - 127 with positive and 134 with negative McIsaac scores. The most common symptoms were fever and cough. About 29% had inappropriate antibiotic prescribing with a high rate for amoxycillin. Duration of symptoms of one day or less (OR 18.5; 95% CI: 1.65, 207.10; P = 0.018), presence of chills (OR 4.36; 95% CI: 1.13, 16.88; P = 0.033) and diagnosis of acute tonsillitis (OR 5.26; 95% CI: 1.76, 15.72; P = 0.003) were significantly associated with inappropriate antibiotic prescription.

    Conclusion: Factors influencing inappropriate antibiotic prescribing should be pointed out to emergency doctors to reduce its incidence.

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