Displaying publications 41 - 49 of 49 in total

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  1. Arafat HM, Omar J, Shafii N, Naser IA, Al Laham NA, Muhamad R, et al.
    Asian Pac J Cancer Prev, 2023 Feb 01;24(2):717-723.
    PMID: 36853324 DOI: 10.31557/APJCP.2023.24.2.717
    OBJECTIVE: The purpose of this research was to look at the relationship between insulin-like growth factor-1 (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) levels and the risk for breast cancer (BC) among women in the Gaza Strip.

    METHODS: This case-control study, which included 334 participants (112 women with BC as cases, and 222 women without BC as control), was conducted between January 2021 and August 2022. Research data for the cases were gathered at the Oncology Departments of the Gaza Strip's two hospitals, "Al- Shifa Hospital and Turkish Palestinian Friendship Hospital," as well as from the electronic records of the Screening Mammogram Unit at Al- Remal Clinic for controls. The information about the participants was gathered using a standardized questionnaire. The key variables related to BC were identified using multivariate logistic regression.

    RESULTS: According to multivariate logistic regression, participants' age was associated with an increase in the risk of BC (OR= 1.03; 95%CI, 1.007-1.060). There was an association between serum concentrations of fasting blood glucose (FBG) (OR= 1.027; 95% CI, 1.013-1.042), IGF-1 (OR= 1.010; 95% CI, 1.006-1.015), and the risk of BC, while there was no link between IGFBP-3 and the risk of BC. In an analysis of the risk according to menopausal status, premenopausal women were associated with an approximate 0.5 time decrease in risk of BC compared to women in post-menopause (OR= 0.428, 95% CI, 0.258, 0.710). Dairy product was also related to a decreased risk of BC.

    CONCLUSION: The results suggest that age, lower physical activity, increased levels of FBG, and IGF- 1 increase the BC risk among females in the Gaza Strip. Meanwhile, premenopausal women and dairy products are linked to a reduction in the risk of BC. Furthermore, no link was found between IGFBP-3 and BC risk. Improving early BC detection rates in the Gaza Strip necessitates preventative interventions and screening for BC in the public and healthcare sectors.

  2. Abdulrahman H, Muhamad R, Shukri AA, Al-Fakih A, Alqaifi G, Mutafi A, et al.
    Materials (Basel), 2023 May 31;16(11).
    PMID: 37297254 DOI: 10.3390/ma16114120
    Alkali-activated concrete is an eco-friendly construction material that is used to preserve natural resources and promote sustainability in the construction industry. This emerging concrete consists of fine and coarse aggregates and fly ash that constitute the binder when mixed with alkaline activators, such as sodium hydroxide (NaOH) and sodium silicate (Na2SiO3). However, understanding its tension stiffening and crack spacing and width is of critical importance in fulfilling serviceability requirements. Therefore, this research aims to evaluate the tension stiffening and cracking performance of alkali-activated (AA) concrete. The variables considered in this study were compressive strength (fc) and concrete cover-to-bar diameter (Cc/db) ratios. After casting the specimen, they were cured before testing at ambient curing conditions for 180 days to reduce the effects of concrete shrinkage and obtain more realistic cracking results. The results showed that both AA and OPC concrete prisms develop slightly similar axial cracking force and corresponding cracking strain, but OPC concrete prisms exhibited a brittle behavior, resulting in a sudden drop in the load-strain curves at the crack location. In contrast, AA concrete prisms developed more than one crack simultaneously, suggesting a more uniform tensile strength compared to OPC specimens. The tension-stiffening factor (β) of AA concrete exhibited better ductile behavior than OPC concrete due to the strain compatibility between concrete and steel even after crack ignition. It was also observed that increasing the confinement (Cc/db ratio) around the steel bar delays internal crack formation and enhances tension stiffening in AAC. Comparing the experimental crack spacing and width with the values predicted using OPC codes of practice, such as EC2 and ACI 224R, revealed that EC2 tends to underestimate the maximum crack width, while ACI 224R provided better predictions. Thus, models to predict crack spacing and width have been proposed accordingly.
  3. Mohd Hisham AA, Mat Yassim AS, Suppian R, Azlan M, Mohamad Asri AA, Idris NS, et al.
    Vaccine, 2024 Dec 02;42(26):126471.
    PMID: 39490114 DOI: 10.1016/j.vaccine.2024.126471
    This prospective cohort study examines the long-term humoral immune responses post-COVID-19 vaccination in 146 individuals who received either a homologous three-dose BNT162b2 vaccine regimen (PPP) or two primary doses of CoronaVac followed by BNT162b2 booster (SSP) in Malaysia. The study focuses on serum anti-S1-RBD-IgG, -IgA, and -IgM, using the ELISA method. The results show that BNT162b2 outperformed CoronaVac in the two dose primary vaccination series. BNT162b2 booster dose significantly raised serum anti-S1-RBD-IgG and -IgA levels, sustaining this increase from 26 to 52 weeks after administration, regardless of the vaccine regimen. This leads to equivalent levels of anti-S1-RBD-IgG and -IgA after boosting with BNT162b2 in both groups. Breakthrough infections, particularly with the emergence of the Omicron variant, did not result in increased anti-S1-RBD-IgG and -IgA levels. No significant induction of anti-S1-RBD-IgM was observed following multiple vaccine doses. The long-term investigation revealed that PPP and SSP groups had comparable humoral immune responses to SARS-CoV-2, highlighting the advantage of mRNA booster dose in our cohort.
  4. Hamid N, Muhamad R, Kueh YC, Zahari Z, Mohamad Nor N, Abdullah N, et al.
    J Pharm Bioallied Sci, 2020 10 08;12(4):444-448.
    PMID: 33679091 DOI: 10.4103/jpbs.JPBS_265_19
    Background: In Malaysia, the problem of marital distress is fast becoming an important public health concern. A major shortcoming is inadequate marital evaluation. There are, however, very few localized instruments for married women in Malaysia. The objective of this study was to translate the original version of the Revised Dyadic Adjustment Scale (RDAS) and to evaluate for its psychometric properties. Multiple aspects of validity and reliability were also assessed.

    Materials and Methods: The questionnaire was first translated into the Malay language (RDAS-M). In this cross-sectional study, healthy married Malay women in Kota Bharu, Kelantan, were recruited from January to April 2018. Participants were asked to complete the RDAS-M that consists of three domains, that is, dyadic consensus, dyadic satisfaction, and dyadic cohesion with a total of 14 items. The concept, content, and construct validity using exploratory factor analysis (EFA) and reliability of the RDAS-M were assessed.

    Results: Of the 164 recruited participants, 150 consented to participate. The mean age of the participants was 34.1 years (standard deviation [SD], 9.5 years), ranging from 20 to 57 years. All 14 items were considered comprehensible by more than 95% of the subjects. Based on EFA, total variance extracted was 69.08%, and the original three factors were retained. The Malay version of the RDAS was valid based on factor loadings for dyadic consensus, dyadic satisfaction, and dyadic cohesion, which ranged from 0.64 to 0.80, 0.79 to 0.98, and 0.37 to 0.78, respectively. The internal consistency was good with coefficient α of 0.87 for dyadic consensus, 0.93 for dyadic satisfaction, and 0.78 for dyadic cohesion.

    Conclusions: The Malay version of the RDAS is easy to understand, and is a reliable and valid instrument for married women. It is also comparable with the original version of the RDAS in terms of structure and psychometric properties.

  5. Che Ya SN, Muhamad R, Mohd Zain N, Zakaria R, Ishak A, Hassan II, et al.
    Sex Med, 2021 Jun;9(3):100336.
    PMID: 33794448 DOI: 10.1016/j.esxm.2021.100336
    INTRODUCTION: Women' sexuality becomes complex after breast cancer diagnosis and sexual health is highly neglected in the management of the illness.

    AIMS: To explore the coping and strategies to overcome sexuality problems and sexual dysfunction among women with breast cancer.

    MATERIAL AND METHODS: Using the in-depth and photo-elicitation interview methods, this qualitative study following phenomenological analysis was conducted on fourteen married female respondents with breast cancer and had the positive result for female sexual dysfunction (FSD) screened by Female Sexual Function Index (FSFI-6 items) from Kelantan, Malaysia. The interviews data were audio-recorded, transcribed verbatim and managed in analytic computer software NVivo11 Pro. The transcriptions were analyzed using thematic analysis by referring to the meaning-making theory.

    MAIN OUTCOME MEASURES: We identified overlapping themes of coping and strategies among women with breast cancer to overcome sexual problems and sexual dysfunction which correspond with meaning-making theory.

    RESULTS: Three themes have emerged. Women with breast cancer that developed sexuality problem and sexual dysfunction strived to accept the illness using religious belief and conform by altering sexual practices. These individuals positively look for a solution by seeking formal healthcare advice, modify their physical appearance, active discussion with the husband and support from other survivors. A few of them passively struggle with the subject by averting the intimacy and receptive toward polygamy.

    CONCLUSION: This study highlighted the various mechanisms that emphasized the pivotal role of religious belief and relationship context as key factors in the coping strategies among women with breast cancer in Malaysia. The finding may not be generalized to other countries. Che Ya SN, Muhamad R, Zain NM, et al. Coping Strategies for Sexual Problems and Sexual Dysfunction Amongst Malay Women With Breast Cancer. A Qualitative Study. Sex Med 2021;9:100336.

  6. Webair HH, Ismail TAT, Ismail SB, Khaffaji AJ, Hussain NHN, Kadir AA, et al.
    BMC Med Res Methodol, 2021 09 20;21(1):188.
    PMID: 34544388 DOI: 10.1186/s12874-021-01376-w
    BACKGROUND: Patient-centered care is an essential component of health care quality. To achieve patient-centered care, health care authorities should have a clear definition and an applicable tool to measure the extent of its application. The real concept of patient centeredness should be developed by the patients themselves. We aimed to demonstrate a way to develop a draft Arabic patient-centered infertility care (PCIC) questionnaire for females clients following practical steps that address women with infertility.

    METHODS: An iterative process of questionnaire development was undertaken by combining two approaches: the steps proposed by Robert F. DeVellis for scale development and the recommended practices for questionnaire development and testing in the European statistical system. We attempted to develop the draft questionnaire that involved conceptualization and operationalization, generation of an item pool, development of the questionnaire format, review of the initial item pool by experts, and consideration of validation items for inclusion.

    RESULTS: We generated an item pool from in-depth interviews with 14 women who sought infertility care within 6 months before the interview time. We then added more items from a literature review. The item pool contained 123 items distributed through 10 domains. Ten women with infertility were included for face validation. Then, experts with backgrounds in Obstetrics and Gynecology, Family Medicine, and Public Health reviewed the item pool using content validation (n = 10 professors and/or specialists). The item pool was finally reduced to 57 items. We developed the draft Arabic patient-centered infertility care questionnaire for female clients (PCIQ-F) with three sections, including 66 items: background variables, PCIC experience variables, and a general question about the quality of infertility care in the health facility. The draft questionnaire was further reviewed and edited last by experts in preparation for part 2, which will test the questionnaire and prepare the final version.

    CONCLUSION: The PCIQ-F questionnaire development is a multi-step iterative process started and ended by the target users as experts. Experts' participation in infertility care and in questionnaire format development had a great impact on questionnaire development and conflict resolution. We recommend this transparent and replicable approach for new instrument developers; it is likely to generate a questionnaire that is valid and acceptable to target users. The draft PCIQ-F questionnaire is ready for testing of its psychometric properties before the final version to measure the PCIC level in health facilities.

  7. Arafat HM, Omar J, Shafii N, Naser IA, Al Laham NA, Muhamad R, et al.
    Ann Med, 2023 Dec;55(1):2198256.
    PMID: 37078247 DOI: 10.1080/07853890.2023.2198256
    BACKGROUND: Among the world, the most frequently discovered and fatal cancer in women is breast cancer (BC). From the perspective of public health, estimating the BC risk linked to dairy intake may aid in comprehensive management. In epidemiological research data on the association between eating dairy foods and the risk of BC are conflicting. Therefore, we sought to assess the link between dairy food consumption and the development of BC.

    MAIN TEXT: To summarize and quantify the most recent findings on consuming milk or other dairy foods and the development of BC, we performed a systematic literature review. We checked through several databases for relevant publications published in English up to January 2022. Of the 82 articles identified, only 18 met the inclusion criteria and were analyzed. Nine Prospective, seven Retrospective and two Cross-Sectional studies were finally identified.

    CONCLUSIONS: Overall, dairy consumption was inversely associated with the risk of developing breast cancer. Future studies will help elucidate the role of dairy products in human health, and their use within a balanced diet should be considered.KEY MESSAGESThe effect of different types of dairy products, and possible dose-response relationships on BC risk remains unknown.Estimating BC risk associated with dairy consumption may help to take the decision-making of physicians and public health policy in developing preventive strategies to reduce its occurrence.This systematic review was conducted to assess dairy consumption and BC risk.Overall, inverse associations were found when looking at dairy consumption and BC risk.

  8. Arafat HM, Omar J, Muhamad R, Al-Astani TAD, Shafii N, Al Laham NA, et al.
    Asian Pac J Cancer Prev, 2021 Jul 01;22(7):1987-1995.
    PMID: 34319018 DOI: 10.31557/APJCP.2021.22.7.1987
    OBJECTIVE: Breast cancer (BC) is known as one of the deadliest forms of cancer, and it is increasing globally. Identifying risk factors for BC is a key point in developing preventive strategies to reduce its occurrence. Herein, we aimed to conduct a systematic review and meta-analysis focus on the risk factors for BC in Palestine.

    MATERIAL AND METHODS: We performed a systematic search via PubMed, MEDLINE, SCOPUS, Science Direct, Cochrane library, Emerald Insight, and Google scholar for identifying studies published on BC risk factors up to March 2021. Pooled odds ratios (OR) are calculated using fixed and random-effect models. Data were processed using Review Manager 5.4 (RevMan 5.4).

    RESULTS: From a total of 73 articles, seven case-control studies met the criteria for systematic review. Meta-analysis results showed that of the known modifiable risk factors for BC, diabetes mellitus (DM) had the highest odds ratio (OR = 4.97, 95% CI 3.00- 8.25) followed by hypertension (OR = 3.21, 95% CI 1.96-5.23), obesity (BMI >30 Kg/m2) (OR = 2.90, 95% CI 2.00- 4.21), and passive smoking (OR = 1.50, 95% CI 1.12- 2.02). Controversially, breastfeeding (OR = 0.37, 95% CI 0.23- 0.61) was protective factor in BC. Of non-modifiable risk factors for BC has reached menopause had the highest odds ratio (OR = 3.74, 95% CI 2.64- 5.29), followed by family history of BC (OR = 2.63, 95% CI 1.07-6.44) and age (≥ 40 years) (OR = 2.49, 95% CI 1.43-4.34).

    CONCLUSIONS: The most significant predictors of BC in Palestine were DM, hypertension, passive smokers, age (>40), reached menopause, and family history of BC. Almost all these risk factors are consistent with known risk factors for breast cancer in other parts of the world.
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  9. Hamid N, Kueh YC, Muhamad R, Zahari Z, van Tilburg MAL, Palsson OS, et al.
    PMID: 39789879 DOI: 10.1111/nmo.15000
    BACKGROUND: Disorders of gut-brain interactions (DGBI) affect more women, and marital quality may have been a factor that explains clinical manifestations of DGBI-however, the mechanism is unclear. This study aimed to elucidate supported relationships between DGBI with marital quality and clinical attributes in married Malay women.

    METHODS: This cross-sectional study involved married Malay women with functional dyspepsia (FD), irritable bowel syndrome (IBS), and FD-IBS overlap per Rome IV criteria. Multivariate analysis of variance (MANOVA) and Pearson correlation analysis were performed to determine the association between DGBI, marital quality, and clinical attributes of catastrophizing, psychological dysfunction, and quality of life. Path analysis models were developed, tested, and fitted to elucidate relationships that satisfied significance testing and fit indices (termed supported relationship).

    KEY RESULTS: Of 1130 screened participants, 513 were analyzed. The prevalence of FD, IBS, and FD-IBS overlap was 33.9% (n = 174), 29.5% (n = 151), and 36.6% (n = 188), respectively. Of 17 variables in MANOVA, significant differences in variables were observed for FD vs. FD-IBS overlap (10), IBS versus FD (10), and IBS versus FD-IBS overlap (5). Pearson correlation matrices found significant correlations for 15 of 17 variables. After testing and fitting, the third path model (Model 3) was deemed the final model. Model 3 suggested that relationships between DGBI and marital and clinical attributes were complex and bidirectional. The number of supported relationships were 50, 43, and 39 for FD-IBS overlap, FD, and IBS, respectively.

    CONCLUSIONS AND INFERENCES: Relationships between DGBI, marital quality, and clinical attributes among married Malay women are complex and bidirectional.

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