Displaying publications 1 - 20 of 59 in total

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  1. Ramli AH, Swain P, Mohd Fahmi MSA, Abas F, Leong SW, Tejo BA, et al.
    Heliyon, 2024 Mar 15;10(5):e27462.
    PMID: 38495201 DOI: 10.1016/j.heliyon.2024.e27462
    Malaria remains a major public health problem worldwide, including in Southeast Asia. Chemotherapeutic agents such as chloroquine (CQ) are effective, but problems with drug resistance and toxicity have necessitated a continuous search for new effective antimalarial agents. Here we report on a virtual screening of ∼300 diarylpentanoids and derivatives, in search of potential Plasmodium falciparum lactate dehydrogenase (PfLDH) inhibitors with acceptable drug-like properties. Several molecules with binding affinities comparable to CQ were chosen for in vitro validation of antimalarial efficacy. Among them, MS33A, MS33C and MS34C are the most promising against CQ-sensitive (3D7) with EC50 values of 1.6, 2.5 and 3.1 μM, respectively. Meanwhile, MS87 (EC50 of 1.85 μM) shown the most active against the CQ-resistant Gombak A strain, and MS33A and MS33C the most effective P. knowlesi inhibitors (EC50 of 3.6 and 5.1 μM, respectively). The in vitro cytotoxicity of selected diarylpentanoids (MS33A, MS33C, MS34C and MS87) was tested on Vero mammalian cells to evaluate parasite selectivity (SI), showing moderate to low cytotoxicity (CC50 > 82 μM). In addition, MS87 exhibited a high SI and the lowest resistance index (RI), suggesting that MS87 may exert effective parasite inhibition with low resistance potential in the CQ-resistant P. falciparum strain. Furthermore, the in vivo toxicity of the molecules on early embryonic development, the cardiovascular system, heart rate, motor activity and apoptosis were assessed in a zebrafish animal model. The overall results indicate the preliminary potential of diarylpentanoids, which need further investigation for their development as new antimalarial agents.
  2. Hassan NB, Hasanah CI, Foong K, Naing L, Awang R, Ismail SB, et al.
    J Hum Hypertens, 2006 Jan;20(1):23-9.
    PMID: 16177812 DOI: 10.1038/sj.jhh.1001930
    This cross-sectional study was aimed to identify the predictors of medication noncompliance in hypertensive patients. The study was conducted at the Family Medicine Clinic, Hospital Universiti Sains Malaysia, Kelantan, Malaysia, which is a university-based teaching hospital. All hypertensive patients aged 40 or over-registered from January to June 2004, who had been on treatment for at least 3 months, were screened. Previously validated self-administered questionnaires were used to assess the compliance and psychosocial factors. A total of 240 hypertensive patients were recruited in the study. Of these, 55.8% were noncompliant to medication. Logistic regression showed that age (adjusted odds ratio (OR): 0.96; 95% confidence interval (CI): 0.92-0.997; P: 0.035), patient satisfaction (adjusted OR: 0.97; 95% CI: 0.93-0.998; P: 0.036) and medication barrier (adjusted OR: 0.95; 95% CI: 0.91-0.987; P: 0.009) were significant predictors of medication noncompliance. Therefore, younger age, poor patient satisfaction and medication barrier were identified as independent psychosocial predictors of medication noncompliant in hypertensive patients.
  3. Elton-Marshall T, Xu SS, Meng G, Quah AC, Sansone GC, Feng G, et al.
    Tob Control, 2015 Nov;24 Suppl 4:iv6-13.
    PMID: 26420242 DOI: 10.1136/tobaccocontrol-2015-052616
    In 2009, China changed its health warnings on cigarette packs from side-only text warnings to two text-only warnings on 30% of the bottom of the front and back of the pack. Also in 2009, Malaysia changed from similar text warnings to pictorial health warnings consistent with Framework Convention on Tobacco Control (FCTC) Article 11 Guidelines.
  4. Zyoud SH, Daraghmeh DN, Mezyed DO, Khdeir RL, Sawafta MN, Ayaseh NA, et al.
    BMC Nephrol, 2016 04 27;17(1):44.
    PMID: 27117687 DOI: 10.1186/s12882-016-0257-z
    BACKGROUND: Haemodialysis (HD) is a life-sustaining treatment for patients with end-stage renal disease (ESRD). HD can bring about significant impairment in health-related quality of life (HRQOL) and outcomes. Therefore, we sought to describe the patterns of HRQOL and determine the independent factors associated with poor HRQOL in Palestinian patients on HD.

    METHODS: A multicenter cross-sectional study was performed from June 2014 to January 2015 using the EuroQOL-5 Dimensions instrument (EQ-5D-5L) for the assessment of HRQOL. ESRD patients undergoing HD in all dialysis centres in the West Bank of Palestine were approached and recruited for this study. Multiple linear regression was carried out to identify factors that were significantly associated with HRQOL.

    RESULTS: Two hundred and sixty-seven patients were participated in the current study giving response rate of 96 %. Overall, 139 (52.1 %) were male, and the mean ± standard deviation age was 53.3 ± 16.2 years. The reported HRQOL as measured by mean EQ-5D-5L index value and Euro QOL visual analogue scale (EQ-VAS) score was 0.37 ± 0.44 and 59.38 ± 45.39, respectively. There was a moderate positive correlation between the EQ-VAS and the EQ-5D-5L index value (r = 0.42, p 

  5. Zyoud SH, Al-Jabi SW, Sweileh WM, Tabeeb GH, Ayaseh NA, Sawafta MN, et al.
    BMC Complement Altern Med, 2016 Jul 11;16:204.
    PMID: 27400742 DOI: 10.1186/s12906-016-1196-8
    Complementary and alternative medicine (CAM), and herbal therapies, are accepted worldwide, and have been important from medical, sociological and economic perspectives, among haemodialysis (HD) patients. The primary aim of this study was to evaluate the use of CAM among patients with end-stage renal disease (ESRD) who are undergoing HD.
  6. Zyoud SH, Khaled SM, Kawasmi BM, Habeba AM, Hamadneh AT, Anabosi HH, et al.
    BMC Nurs, 2019;18:11.
    PMID: 30936779 DOI: 10.1186/s12912-019-0336-0
    Background: Medication errors (MEs) are unintended failures in the drug treatment process that can occur during prescription, dispensing, storing, preparation or administration of medications. High alert medications (HAMs) are defined as those medications that bear the highest risk of causing significant patient harm when used incorrectly, either due to their serious adverse events or to a narrow therapeutic window. Nurses are responsible for administration of HAMs; incorrect administration can have a significant clinical outcome. This study aimed to assess the level of knowledge of HAMs among nurses in government hospitals in West Bank, Palestine.

    Methods: A cross-sectional study was conducted in 2015, in West Bank, Palestine. Data were collected via a face to face interview questionnaire, which was taken from a previous study. Data were collected by convenient sampling. The questionnaire consisted of four parts: demographic characteristics of the nurses, drug administration knowledge (10 true-false questions), drug regulation knowledge (10 true-false questions), and self-evaluation.

    Results: A total of 280 nurses participated in the study; these nurses were working in the emergency room (ER), intensive care unit (ICU), paediatric or medical ward. The response rate was 93%. Nurses were found to have insufficient knowledge about HAMs; 67.1% of participants had a score of less than 70%, with a mean total score of 59.9 ± 15.1. Factors associated with sufficient knowledge among nurses were HAMs training and ICU training, both with p-values of 0.002. Nurses with a master degree, those working in the ICU ward, head nurses, and male nurses were the most knowledgeable groups, with a p-values

  7. Zyoud SH, Al-Jabi SW, Sweileh WM, Arandi DA, Dabeek SA, Esawi HH, et al.
    J Clin Transl Endocrinol, 2015 Jun;2(2):66-71.
    PMID: 29159112 DOI: 10.1016/j.jcte.2015.03.002
    Objectives: The aims of the current study were to assess the association between health-related quality of life (HRQoL) and treatment satisfaction in a sample of diabetic patients from Palestine, and to determine the influence of socio-demographic and clinical factors on HRQoL.

    Methods: It was a cross-sectional study performed during the period June 2013 to October 2013. The Arabic version of Treatment Satisfaction Questionnaire for Medication (TSQM 1.4) was used to assess treatment satisfaction, and the Arabic version of European Quality of Life scale (EQ-5D-5L) was used to assess HRQoL. Multiple linear regression was used to estimate which variables were the most important related to HRQoL.

    Results: A total of 385 diabetic patients were included. There were modest positive correlations between the total score on the Overall Satisfaction domain and EQ-5D-5L (r = 0.14; p = 0.005). After adjusting multiple covariates by multiple linear regression, the association between the Overall Satisfaction and HRQoL was not statistically significant (p = 0.075); (R = 0.495; adjusted R(2) = 0.245; F = 10.3; df = 12; p 

  8. Al-Jabi SW, Zyoud SH, Sweileh WM, Wildali AH, Saleem HM, Aysa HA, et al.
    Health Expect, 2015 Dec;18(6):3336-48.
    PMID: 25484002 DOI: 10.1111/hex.12324
    BACKGROUND: Evaluation of the association between treatment satisfaction and health-related quality of life (HRQoL) may enable health-care providers to understand the issues that influence quality of life and to recognize the aspects of hypertension treatment that need improvement to enhance the long-term treatment outcomes.

    OBJECTIVE: The aim of this study was to determine the relationship between HRQoL and treatment satisfaction in a sample of Palestinian hypertensive patients.

    METHODS: A cross-sectional study was conducted, adopting the Treatment Satisfaction Questionnaire for Medication (TSQM 1.4) for the assessment of treatment satisfaction and using the European Quality of Life scale (EQ-5D-5L) for the assessment of HRQoL. Descriptive and comparative statistics were used to describe socio-demographic and disease-related characteristics of the patients. All analyses were performed using SPSS v 15.0.

    RESULTS: Four hundred and ten hypertensive patients were enrolled in the study. This study findings indicate a positive correlation between all satisfaction domains and HRQoL. Significant differences were observed between this study variables (P < 0.001). After adjustment for covariates using multiple linear regression, an increase of one point in the global satisfaction scale was associated with a 0.16 increase in EQ-5D index scores (r = 0.16; P < 0.001).

    CONCLUSIONS: Patients with reportedly higher satisfaction scores have reported relatively higher EQ-5D-5L index values. These study findings could be helpful in clinical practice, mainly in the early treatment of hypertensive patients, at a point where improving treatment satisfaction and HRQoL is still possible.

  9. Fathelrahman AI, Li L, Borland R, Yong HH, Omar M, Awang R, et al.
    Tob Induc Dis, 2013 Sep 18;11(1):20.
    PMID: 24330614 DOI: 10.1186/1617-9625-11-20
    BACKGROUND: We examined the impact of cigarette pack warning labels on interest in quitting and subsequent quit attempts among adult smokers in Malaysia and Thailand.

    METHODS: Two overlapping cohorts of adults who reported smoking factory- made cigarettes from Malaysia and Thailand were interviewed face-to-face (3189 were surveyed at baseline and 1781 re-contacted at Wave 2; 2361 current smokers were surveyed at Wave 2 and 1586 re-contacted at Wave 3). In Thailand at baseline, large text only warnings were assessed, while at Wave 2 new large graphic warnings were assessed. In Malaysia, during both waves small text only warnings were in effect. Reactions were used to predict interest in quitting, and to predict making quit attempts over the following inter-wave interval.

    RESULTS: Multivariate predictors of "interest in quitting" were comparable across countries, but predictors of quit attempts varied. In both countries, cognitive reactions to warnings (adjusted ORs; 1.57 & 1.69 for Malaysia at wave 1 and wave 2 respectively and 1.29 & 1.19 for Thailand at wave 1 and wave 2 respectively), forgoing a cigarette (except Wave 2 in Malaysia) (adjusted ORs; 1.77 for Malaysia at wave 1 and 1.54 & 2.32 for Thailand at wave 1 and wave 2 respectively), and baseline knowledge (except wave 2 in both countries) (adjusted ORs; 1.71 & 1.51 for Malaysia and Thailand respectively) were positively associated with interest in quitting at that wave. In Thailand only, "cognitive reactions to warnings" (adjusted ORs; 1.12 & 1.23 at wave 1 and wave 2 respectively), "forgoing a cigarette" (adjusted OR = 1.55 at wave 2 only) and "an interest in quitting" (adjusted ORs; 1.61 & 2.85 at wave 1 and wave 2 respectively) were positively associated with quit attempts over the following inter-wave interval. Salience was negatively associated with subsequent quit attempts in both Malaysia and Thailand, but at Wave 2 only (adjusted ORs; 0.89 & 0.88 for Malaysia and Thailand respectively).

    CONCLUSION: Warnings appear to have common mechanisms for influencing quitting regardless of warning strength. The larger and more informative Thai warnings were associated with higher levels of reactions predictive of quitting and stronger associations with subsequent quitting, demonstrating their greater potency.

  10. Zyoud SH, Awang R, Sulaiman SA, Khan HR, Sawalha AF, Sweileh WM, et al.
    Basic Clin Pharmacol Toxicol, 2010 Sep;107(3):718-23.
    PMID: 20374238 DOI: 10.1111/j.1742-7843.2010.00567.x
    Intravenous N-acetylcysteine is usually regarded as a safe antidote. However, during the infusion of the loading dose, different types of adverse drug reactions (ADR) may occur. The objective of this study was to investigate the relation between the incidence of different types of ADR and serum acetaminophen concentration in patients presenting to the hospital with acetaminophen overdose. This is a retrospective study of patients admitted to the hospital for acute acetaminophen overdose over a period of 5 years (1 January 2004 to 31 December 2008). Parametric and non-parametric tests were used to test differences between groups depending on the normality of the data. SPSS 15 was used for data analysis. Of 305 patients with acetaminophen overdose, 146 (47.9%) were treated with intravenous N-acetylcysteine and 139 (45.6%) were included in this study. Different types of ADR were observed in 94 (67.6%) patients. Low serum acetaminophen concentrations were significantly associated with cutaneous anaphylactoid reactions but not other types of ADR. Low serum acetaminophen concentration was significantly associated with flushing (p < 0.001), rash (p < 0.001) and pruritus (p < 0.001). However, there were no significant differences in serum acetaminophen concentrations between patients with and without the following ADR: gastrointestinal reactions (p = 0.77), respiratory reactions (p = 0.96), central nervous reactions (p = 0.82) and cardiovascular reactions (p = 0.37). In conclusion, low serum acetaminophen concentrations were associated with higher cutaneous anaphylactoid reactions. Such high serum acetaminophen concentrations may be protective against N-acetylcysteine-induced cutaneous ADR.
  11. Man CN, Fathelrahman AI, Harn GL, Lajis R, Samin AS, Omar M, et al.
    Environ Toxicol Pharmacol, 2009 Jul;28(1):92-6.
    PMID: 21783987 DOI: 10.1016/j.etap.2009.03.003
    The objective of this study was to correlate, differentiate and validate the self-reported smoking status of educated young adults with urinary biomarkers (i.e. nicotine and cotinine). Freshmen students were recruited on voluntary basis. They filled-up self-administered questionnaire and their urine samples were collected for analysis. The urinary nicotine (UN) and cotinine (UC) were measured by gas chromatograph-mass spectrometry. Smokers, non-smokers and ex-smokers were found to be both significantly correlated and different in their UN and UC levels. UC level of 25ng/ml was the optimal cut-off to differentiate smokers from non-smokers. Using this cut-off value, the prevalence of smoking among the students was found to be higher (15.4%) than the self-reported data (14.3%). UC is useful in validating individual recent smoking history and the cut-off could serve as a marker for assessing the clinical impact of smoking and environmental tobacco smoke (ETS) exposure on human health.
    Study site: university health centre, Universiti SainsMalaysia (USM), Pulau Pinang, Malaysia
  12. Yong HH, Borland R, Hammond D, Sirirassamee B, Ritthiphakdee B, Awang R, et al.
    Tob Control, 2008 Feb;17(1):46-52.
    PMID: 18218808 DOI: 10.1136/tc.2007.021964
    To examine the impact of tobacco advertising policy on adult smokers' awareness of tobacco promotion in two developing countries--Malaysia and Thailand.
  13. Zyoud SH, Abu Taha A, Araj KF, Abahri IA, Sawalha AF, Sweileh WM, et al.
    BMC Pediatr, 2015;15:176.
    PMID: 26561029 DOI: 10.1186/s12887-015-0494-5
    BACKGROUND: In primary health care centres, upper respiratory tract infections (URTIs) in children are commonly encountered by physicians. Viruses cause most URTIs, but parents' attitudes often represent an important reason for antibiotic abuse, which leads to the development and spread of antimicrobial resistance. The goal of this study was to examine parents' knowledge, attitudes, and practices (KAP) about antibiotic use for children with URTIs in Palestine.
    METHODS: A cross-sectional study was performed in primary health care centres in Nablus city from 1 June to 31 October 2012. A questionnaire was developed and administered to determine parents' KAP regarding antibiotic use for their children with URTIs.
    RESULTS: Three hundred and eighty-five parents completed the questionnaire. A total of 79.7% of the parents were attentive to the truth that antibiotic misuse is responsible for bacterial resistance. Only 18.9% of parents thought that antibiotics did not have any harmful side effects. Fifty nine per cent of parents did not agree that URTIs are mostly viral in origin and are self-limited. Almost 73% of parents choose antibiotics as a treatment for URTIs, while earache (68%) and fever (64%) were the most common reasons for which parents expected antibiotics. However, more than 38% of the parents never asked the paediatrician to prescribe antibiotics, and only 6% congratulated their paediatricians for not prescribing antibiotics.
    CONCLUSIONS: Although there is a trusted relationship between parents and paediatricians, Palestinian parents have insufficient knowledge related to antibiotic use for URTIs in children, which results in inappropriate attitudes and practices. Educational interventions for both parents and physicians will reduce unnecessary antibiotic use and resistance.
  14. Parkinson CM, Hammond D, Fong GT, Borland R, Omar M, Sirirassamee B, et al.
    Am J Health Behav, 2009 Jul-Aug;33(4):366-75.
    PMID: 19182982
    To characterize smoking beliefs among Thai and Malaysian youth and to examine associations with gender, antismoking media exposure, and smoking status.
  15. Thrasher J, Quah ACK, Dominick G, Borland R, Driezen P, Awang R, et al.
    Field methods, 2011;23(4):439-460.
    PMID: 30867657 DOI: 10.1177/1525822X11418176
    The present study aimed to examine and compare results from two questionnaire pretesting methods (i.e., behavioral coding and cognitive interviewing) in order to assess systematic measurement bias in survey questions for adult smokers across six countries (USA, Australia, Uruguay, Mexico, Malaysia and Thailand). Protocol development and translation involved multiple bilingual partners in each linguistic/cultural group. The study was conducted with convenience samples of 20 adult smokers in each country. Behavioral coding and cognitive interviewing methods produced similar conclusions regarding measurement bias for some questions; however, cognitive interviewing was more likely to identify potential response errors than behavioral coding. Coordinated survey qualitative pretesting (or post-survey evaluation) is feasible across cultural groups, and can provide important information on comprehension and comparability. Cognitive interviewing appears a more robust technique than behavioral coding, although combinations of the two might be even better.
  16. Zyoud S, Shalabi J, Imran K, Ayaseh L, Radwany N, Salameh R, et al.
    BMC Public Health, 2019 May 16;19(1):586.
    PMID: 31096949 DOI: 10.1186/s12889-019-6955-2
    BACKGROUND: Food serves as a vehicle for many pathogenic and toxigenic agents that cause food-borne diseases. Knowledge, attitude, and practices are key factors in reducing the incidence of food-borne diseases in food service areas. The main objective of this study was to evaluate knowledge, attitude, and practices related to food poisoning among parents of children in Nablus, Palestine.

    METHODS: A cross-sectional study was conducted in primary healthcare centers in Nablus district from May to July 2015. Data were collected using structured questionnaire interviews with parents to collect information on food safety knowledge, attitudes, and practices, alongside sociodemographic characteristics.

    RESULTS: Four-hundred and twelve parents were interviewed, 92.7% were mothers. The median knowledge score was 12.0 with an interquartile range (IQR) of 11.0-14.0. The median attitude score was 11.0 with IQR of 10.0-13.0, while the median practice score was 18.0 with IQR of 16.0-19.0. Significant modest positive correlations were found between respondents' knowledge and attitude scores regarding food poisoning (r = 0.24, p r = 0.23, p r = 0.30, p 

  17. Neela V, Rankouhi SZ, van Belkum A, Goering RV, Awang R
    Int J Infect Dis, 2012 Aug;16(8):e603-7.
    PMID: 22698885 DOI: 10.1016/j.ijid.2012.04.004
    Stenotrophomonas maltophilia is a recently identified nosocomial pathogen in Malaysia. Despite limited pathogenicity, its rate of isolation has increased in recent years. The aim of this study was to investigate the antibiotic susceptibility patterns, antibiotic resistance determinants, and the epidemiology of S. maltophilia at the largest tertiary care hospital in Malaysia.
  18. Awang R, Al-Sohaim SI, Zyoud SH, Khan HR, Hashim S
    Intern Emerg Med, 2011 Oct;6(5):441-8.
    PMID: 21750875 DOI: 10.1007/s11739-011-0662-z
    Acute poisoning is a common medical emergency in Malaysia. Life can be saved if the patient is diagnosed properly and receives the appropriate treatment such as gastrointestinal decontamination techniques and resources to increase poison elimination according to clinical guidelines at a reasonable time. The aims of this study were to determine the availability of decontamination, elimination enhancement, and stabilization resources for the management of acute toxic exposures and poisonings in accident and emergency departments in Malaysia, and to compare the availability of such facilities among various types of hospitals. A comparative, descriptive cross-sectional study was conducted using a structured questionnaire. Seventy-four (58.3%) out of the targeted 127 hospitals replied and completed the questionnaire. The availabilities of most items related to stabilization resources were far better in general hospitals compared to district hospitals with specialists and district hospitals without specialists. These items were mechanical ventilators (p = 0.011), non-invasive positive pressure ventilators (0.024), pacemakers (p = 0.019), and transcutaneous cardiac pacing (p < 0.001). The availability of decontamination resources varied substantially with hospital type. Nevertheless, these differences did not reach statistical significance in any of the cases, whereas sodium sulphate, sorbitol, and polyethylene glycol were almost never available. The availabilities of most items related to elimination enhancement resources were far better in general hospitals and district hospitals with specialists compared to district hospitals without specialists. These items were haemodialysis (p = 0.046), haemoperfusion (p = 0.002), haemofiltration (p = 0.002), acid diuresis (p = 0.04), peritoneal dialysis (p < 0.001), and exchange transfusion (p < 0.001). Most Malaysian hospitals have certain important immediate interventions such as gastrointestinal decontamination techniques and resources to increase poison elimination. The availabilities of most facilities were far better in the general hospitals. Coordination between the National Poison Centre in Malaysia and hospitals should be established regarding the emergency facilities for effective management of poisoning cases in each hospital in order to direct the poisoned patients to the hospital where the appropriate management resources is available.
  19. Al-Sohaim SI, Awang R, Zyoud SH, Rashid SM, Hashim S
    Hum Exp Toxicol, 2012 Mar;31(3):274-81.
    PMID: 21478291 DOI: 10.1177/0960327111405861
    The availability of antidotes may be considered essential and lifesaving in the management of certain poisonings. Surveys carried out in a number of countries have demonstrated inadequate availability of a variety of poisoning antidotes.
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