Julia Omar

Dr. Julia Omar

Universiti Sains Malaysia (USM)

Research Focus & Metrics

Academic Career Length

14Years (2013-Present)

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

Representative Publications

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30 September 2020 in Annals of Pediatric Endocrinology & Metabolism
Verified
Journal Article
Open access
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SRSiti Nadirah Ab Rahim
Siti Nadirah Ab Rahim
JOJulia Omar
Julia Omar
TITuan Salwani Tuan Ismail
Tuan Salwani Tuan Ismail
Gonadotropin-Releasing Hormone (GnRH) stimulation test is a valuable tool used to diagnose and differentiate causes of early pubertal occurrences. However, its utility can be limited in the early phases of pubertal hypothalamic pituitary gonadal (HPG) axis activation, in girls where commonly overlapping pictures were observed, and in obese children due to excess circulating estrogen suppressing luteinizing hormone (LH) level. The lack of consistent baseline and stimulated gonadotropin cut offs observed in different studies also contribute to this limitation. Nevertheless, an early detection of a true pathological causes is still mandatory to allow prompt treatment and better prognosis. While basal LH can be beneficial as a good screening tool for detecting pubertal disorder, it does not preclude the need for GnRH test. This review is aiming to highlight the role of GnRH stimulation test and its varying cut off used to diagnose precocious puberty and classifying into its different types.

NSNoor Azlin Azraini Che Soh
Noor Azlin Azraini Che Soh
NYNajib Majdi Yaacob
Najib Majdi Yaacob
JOJulia Omar
Julia Omar
AJAniza Mohammed Jelani
Aniza Mohammed Jelani
NSNoorazliyana Shafii
Noorazliyana Shafii
AGAnis Kausar Ghazali
Anis Kausar Ghazali
Hyperprolactinemia (hPRL) often poses a diagnostic dilemma due to the presence of macroprolactin. Understanding the prevalence of macroprolactinemia (mPRL) has an important implication in managing patients with hPRL. The primary aim of this study was to determine the prevalence of mPRL globally and to explore selected factors influencing the prevalence estimate. Studies with original data related to the prevalence of mPRL among patients with hPRL from inception to March 2020 were identified, and a random effects meta-analysis was performed. Of the 3770 records identified, 67 eligible studies from 27 countries were included. The overall global prevalence estimate was 18.9% (95% CI: 15.8%, 22.1%) with a substantial statistical heterogeneity (I2 = 95.7%). The highest random effects pooled prevalence was observed in the African region (30.3%), followed by Region of the Americas (29.1%), European (17.5%), Eastern Mediterranean (13.9%), South-East Asian (12.7%), and Western Pacific Region (12.6%). Lower prevalence was observed in studies involving both sexes as compared to studies involving only female participants (17.1% vs. 25.4%) and in more recent studies (16.4%, 20.4%, and 26.5% in studies conducted after 2009, between 2000 and 2009, and before 2000, respectively). The prevalence estimate does not vary according to the age group of study participants, sample size, and types of polyethylene glycol (PEG) used for detection of macroprolactin (PEG 6000 or PEG 8000). With macroprolactin causing nearly one-fifth of hPRL cases, screening for mPRL should be made a routine before an investigation of other causes of hPRL.

1 January 2015 in Evidence-Based Complementary and Alternative Medicine
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Journal Article
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SWSiti Zubaidah Ab Wahab
Siti Zubaidah Ab Wahab
AKArifah Abdul kadir
Arifah Abdul kadir
NHNik Hussain Nik Hazlina
Nik Hussain Nik Hazlina
JOJulia Omar
Julia Omar
RYRohaizan Yunus
Rohaizan Yunus
WYWan Zahanim Wan Yusoff
Wan Zahanim Wan Yusoff
Channa striatushas been consumed for decades as a remedy to promote wound healing by women during postpartum period. The objectives of this study were to compare postoperative pain, wound healing based on wound evaluation scale (WES), wound cosmetic appearance based on visual analogue scale (VAS) scores and patient satisfaction score (PSS), and safety profiles betweenC. striatusgroup and placebo group after six weeks of lower segment caesarean section (LSCS) delivery. A randomised, double-blind, placebo-controlled study was conducted. Subjects were randomised in a ratio of 1 : 1 into either theC. striatusgroup (500 mg daily) or placebo group (500 mg of maltodextrin daily). 76 subjects were successfully randomised, with 38 in theC. striatusgroup and 35 in the placebo group. There were no significant differences in postoperative painp=0.814and WESp=0.160between theC. striatusand placebo groups. However, VAS and PSS in theC. striatusgroup were significantly better compared with the placebo group (p=0.014andp<0.001, resp.). The safety profiles showed no significant differences between the groups. In conclusion, six-week supplementation of 500 mg ofC. striatusextract showed marked differences in wound cosmetic appearance and patient’s satisfaction and is safe for human consumption.

1 July 2021 in Asian Pacific Journal of Cancer Prevention
Verified
Journal Article
Open access
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HAHeba Mohammed Arafat
Heba Mohammed Arafat
JOJulia Omar
Julia Omar
RMRosediani Muhamad
Rosediani Muhamad
TATengku Ahmad Damitri Al-Astani
Tengku Ahmad Damitri Al-Astani
NSNoorazliyana Shafii
Noorazliyana Shafii
MJMajed Abed Al Rahman Jebril
Majed Abed Al Rahman Jebril
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.

WZWan Nur Amalina binti Zakaria
Wan Nur Amalina binti Zakaria
NYNAZIHAH MOHD YUNUS
NAZIHAH MOHD YUNUS
NYNajib Majdi Yaacob
Najib Majdi Yaacob
JOJulia Omar
Julia Omar
WMWan Mohd Izani Wan Mohamed
Wan Mohd Izani Wan Mohamed
TITuan Salwani Tuan Ismail
Tuan Salwani Tuan Ismail
(1) Background: Several studies have suggested that the vitamin D receptor (VDR) gene plays a role in type 2 diabetes mellitus (T2DM) susceptibility. Nonetheless, the association between T2DM and VDR polymorphisms remains inconclusive. We determined the genotype of VDR rs1544410 (BsmI) and rs2228570 (FokI) polymorphisms among Malaysian patients with T2DM and their association with glycemic control factors (vitamin D levels, calcium, magnesium, and phosphate). (2) Methods: A total of 189 participants comprising 126 patients with T2DM (63 with good glycemic control and 63 with poor glycemic control) and 63 healthy controls were enrolled in this case–control study. All biochemical assays were measured using spectrophotometric analysis. VDR gene FokI and BsmI polymorphisms were analyzed using polymerase chain reaction and endonuclease digestion. (3) Results: Our findings revealed no significant differences in VDR FokI and BsmI genotypes between participants with T2DM and healthy controls. Moreover, no significant association was observed between both single nucleotide polymorphisms and glycemic control factors. Participants with poor glycemic control had significantly lower serum magnesium levels and significantly higher HOMA-IR compared to the other groups. (4) Conclusions: The present study revealed that VDR gene BsmI and FokI polymorphisms were not significantly associated with T2DM.

1 July 2023 in Malaysian Orthopaedic Journal
Verified
Journal Article
Open access
JOJulia Omar
Julia Omar
ANAhmad Ns
Ahmad Ns
CNChe-Soh Naa
Che-Soh Naa
WWWan-Azman Wn
Wan-Azman Wn
YNYaacob Nm
Yaacob Nm
MAM. R. Abdullah
M. R. Abdullah
Introduction: Infected diabetic foot ulcers may lead to serious complications if not recognised in the early stage. Diagnosis of infection is particularly challenging at that stage; thus, a sensitive inflammatory biomarker may be helpful. We aimed to evaluate the role of procalcitonin (PCT) as an early biomarker for infected diabetic foot ulcers (IDFU).Materials and method: This cross-sectional study was conducted at Klinik Rawatan Keluarga (KRK), Orthopedic clinic and wards in Hospital Universiti Sains Malaysia (USM) from May 2020 to December 2020. A total of 264 participants were recruited and divided into three groups: 50 diabetic patients with no ulcers (control), 107 patients with non-infected diabetic foot ulcers (NIDFU), and 107 patients with infected diabetic foot ulcers (IDFU). The level of PCT was taken for all patients. Total white count (TWC) and C -reactive protein (CRP) were taken only for IDFU patients. Diagnosis of infection was based on the Infectious Disease Society of America-International Working Group of Diabetic Foot (IDSA-IMWGDF), and the severity of infection was graded according to the Wagner Classification.Results: The level of PCT was higher in IDFU than in NIDFU and diabetic patient, with a median (IQR) of 0.355 (0.63) ng/mL, 0.077 (0.15) ng/mL and 0.028 (0.02) ng/mL, respectively. PCT and CRP showed moderate positive correlations in IDFU patients (p<0.001). The sensitivity and specificity were 63.6% and 83.2%, respectively, at the best cut-off at 0.25 ng/mL.Conclusion: PCT is a valuable biomarker for the diagnosis of infection; however, it adds little value in the early diagnosis of IDFU in view of its low sensitivity.