Displaying all 17 publications

Abstract:
Sort:
  1. Lee, CL, Ng, Beng Kwang, Chew, KT, Aruku, N, Lim, PS
    MyJurnal
    We report the case of a rare, benign mesenchymal tumour arising from the cervix. A 53-year-old post-menopausal woman presented with mass per vagina. Examination revealed stage 2 utero-vaginal prolapse and multiple elongated polyps seen at the cervix. She underwent local excision. Histopathological examination findings and the immunohistochemical studies were consistent with Angiomyofibroblastoma.
  2. Chew KT, Kampan N, Shafiee MN
    BMJ Open, 2021 Dec 07;11(12):e047479.
    PMID: 34876417 DOI: 10.1136/bmjopen-2020-047479
    OBJECTIVE: To assess the perception and knowledge of cervical cancer prevention among fully vaccinated female university students in the era of human papillomavirus (HPV) vaccination.

    DESIGN: Cross-sectional using a validated questionnaire.

    SETTING: Face-to-face interview at a public university in Malaysia.

    PARTICIPANTS: 384 fully vaccinated female students were included in the study.

    RESULTS: The total knowledge score in the questionnaire was 18 and was ranked according to score level into three groups: poor (score ≤5), moderate (score 6-10) and good (score ≥11). Mean score for knowledge of cervical cancer prevention was 8.24 (SD ±3.85), with 170 respondents (44.3%) scoring moderate knowledge level. The mean score for knowledge of HPV infection and its association with cervical cancer was 4.56±2.47, while the mean score for knowledge of HPV vaccination for cervical cancer prevention was 3.68 (SD ±1.98). A total of 186 (48.4%) respondents perceived that regular Pap smear was unnecessary after HPV vaccination. Respondents' perceived seriousness and susceptibility of HPV infection correlated well with knowledge of cervical cancer prevention. Two main reasons for their acceptance of HPV vaccine were self-health awareness and free vaccination.

    CONCLUSION: The knowledge of HPV vaccination for cervical cancer prevention was average among vaccinated university students. Many of them had poor knowledge about Pap smear and did not consider regular Pap smear as an important cervical cancer screening tool following HPV vaccination. There is still a need for continued health education to improve the perception and knowledge about HPV infection and cervical cancer prevention among young adults in the community.

  3. Chew KT, Raman V, Then PHH
    Sensors (Basel), 2021 Dec 08;21(24).
    PMID: 34960291 DOI: 10.3390/s21248197
    Cardiovascular disease continues to be one of the most prevalent medical conditions in modern society, especially among elderly citizens. As the leading cause of deaths worldwide, further improvements to the early detection and prevention of these cardiovascular diseases is of the utmost importance for reducing the death toll. In particular, the remote and continuous monitoring of vital signs such as electrocardiograms are critical for improving the detection rates and speed of abnormalities while improving accessibility for elderly individuals. In this paper, we consider the design and deployment characteristics of a remote patient monitoring system for arrhythmia detection in elderly individuals. Thus, we developed a scalable system architecture to support remote streaming of ECG signals at near real-time. Additionally, a two-phase classification scheme is proposed to improve the performance of existing ECG classification algorithms. A prototype of the system was deployed at the Sarawak General Hospital, remotely collecting data from 27 unique patients. Evaluations indicate that the two-phase classification scheme improves algorithm performance when applied to the MIT-BIH Arrhythmia Database and the remotely collected single-lead ECG recordings.
  4. Mamat Yusof MN, Chew KT, Kampan NC, Shafiee MN
    Int J Mol Sci, 2023 Oct 16;24(20).
    PMID: 37894913 DOI: 10.3390/ijms242015233
    The landscape of diagnosing and treating endometrial cancer is undergoing a profound transformation due to the integration of molecular analysis and innovative therapeutic approaches. For several decades, the cornerstone treatments for endometrial cancer have included surgical resection, cytotoxic chemotherapy, hormonal therapy, and radiation therapy. However, in recent years, the concept of personalised medicine has gained momentum, reshaping the way clinicians approach cancer treatment. Tailoring treatments based on specific biomarkers has evolved into a standard practice in both initial and recurrent therapy protocols. This review aims to provide an in-depth exploration of the current state of molecular analysis and treatment strategies in the context of endometrial cancer, focusing on the immunological aspect of the PD-1/PD-L1 axis. Furthermore, it seeks to shed light on emerging and innovative approaches that hold promise for the future modulation of endometrial cancer treatments. In essence, as researchers delve into the complex molecular landscape of endometrial cancer and harness the understanding of the PD-1/PD-L1 axis, we are paving the way for more targeted, effective, and personalised therapies that have the potential to significantly improve the outcomes and quality of life for patients with this challenging disease.
  5. Chew KT, Salim N, Abu MA, Abdul Karim AK
    BMJ Sex Reprod Health, 2018 Jun 01.
    PMID: 29972367 DOI: 10.1136/bmjsrh-2017-101869
    BACKGROUND AND OBJECTIVE: Intrauterine contraceptive devices (IUDs) are an important method to reduce unmet need for family planning and for prevention of unintended pregnancy. However, IUD use in Malaysia is still low. Doctors play a major role in influencing IUD uptake among women. This study was designed to evaluate doctors' knowledge, attitudes and perceptions towards IUDs and factors associated with their current practice.

    METHODS: A questionnaire was mailed to public and private contraceptive providers who practise in Kuala Lumpur, Malaysia.

    RESULTS: A total of 400 doctors were invited and 240 (60%) of them responded to the survey. Of the respondents, 161 (65.9%) were from the public or government sector and 89 (34.1%) were from the private sector. The knowledge score of doctors was classed as 'average', and correlated well with their previous training level, working position, number of patients seen in a week and number of contraceptive methods available in their facilities. The age, gender, working duration, availability of IUDs in the premises and number of IUD insertions in a month were not statistically associated with the providers' knowledge. The use of IUDs was low, especially among private doctors, and was significantly related to their knowledge of the method. Knowledge scores, perception and practice were significantly lower in the private sector.

  6. Esther LSY, Chew KT, Rahman RA, Zainuddin AA, Hing EY, Kampan N
    Horm Mol Biol Clin Investig, 2020 Mar 13;41(2).
    PMID: 32167930 DOI: 10.1515/hmbci-2020-0001
    Intramyometrial ectopic pregnancy (IMEP) is a rare form of ectopic pregnancy. It is defined as a conceptus implanted within the myometrium and is completely surrounded by myometrium with clear separation from both the uterine cavity and tubes. IMEP possesses not only diagnostic but also therapeutic challenge. The majority of reported cases were managed by hysterectomy. Early management of unruptured IMEP using methotrexate may help to preserve fertility. We, for the first time, report a case of ruptured IMEP managed successfully using suction and curettage followed by Bakri balloon tamponade and avoiding hysterectomy. Post-procedure, the patient received two doses of intramuscular methotrexate 50 mg/m2 due to plateauing serial beta human chorionic gonadotropin (β-hCG) levels and subsequently achieved undetectable level 10 weeks post-methotrexate. She also had complete resolution of the ectopic intramyometrial mass.
  7. Khoo BP, Chew KT, Hing EY, Kampan N, Shafiee MN
    Horm Mol Biol Clin Investig, 2021 Aug 10;42(4):429-433.
    PMID: 34378876 DOI: 10.1515/hmbci-2021-0025
    OBJECTIVES: Endometrial cancer is the sixth most common cancer among women and recurrence of after 10 years is extremely rare.

    CASE PRESENTATION: We reported a comprehensive review of histopathology, investigations and treatment regarding a woman with distant recurrence of endometrial cancer to rectus abdominis muscle after 23 years from the primary surgery. Previous published literatures of similar case were included into the review analysis. A total of 11 similar cases had been reported. Overall, 9 (81.8%) cases were stage 1 disease and only 2 cases were classified as stage II disease. The majority, 6 (54.5%) cases were endometrial adenocarcinoma. Majority of the cases shared the similarity of low grade endometrial cancer with positive oestrogen receptor immunophynetype.

    CONCLUSIONS: Thus, the phenomenon of 'cell dormancy' was hypothesized to explain the mechanism of late recurrence for these cases.

  8. Mariappen U, Chew KT, Zainuddin AA, Mahdy ZA, Abdul Ghani NA, Grover S
    BMJ Open, 2022 Jan 04;12(1):e051896.
    PMID: 34983763 DOI: 10.1136/bmjopen-2021-051896
    OBJECTIVE: To describe the prevalence of menstrual problems (heavy menses bleeding, dysmenorrhoea and oligomenorrhoea) and its impact towards quality of life among adolescents in Klang Valley, Malaysia.

    DESIGN: Cross-sectional study.

    SETTING: Adolescent girls at secondary schools in the Klang Valley, Malaysia.

    POPULATION: 729 adolescents aged between 13 and 18 years.

    METHOD: A questionnaire survey using Menorrhagia Questionnaire and Paediatric Quality of Life-Teen Report Ages 13-18 (PedsQL).

    MAIN OUTCOME MEASURES: Self reports of menstrual bleeding patterns, morbidities and effect on quality of life.

    RESULTS: The prevalence of menstrual problems among adolescents was 63.9% in the Klang Valley. Adolescents with menstrual problems had significant lower mean total score of PedsQL (70.23±13.53 vs 76.36±14.93, p=0.001), physical health summary score (74.10±16.83 vs 79.00±15.86, p<0.001) and psychosocial health summary score (68.05±14.27 vs 73.21±13.09, p=0.001) compared with those without menstrual problem. Adolescents experiencing heavy menses bleeding had the lowest physical and emotional function. Those with oligomenorrhoea had the lowest social function, whereas those with dysmenorrhoea had the lowest school function. Cigarette smoking, alcohol and medical illness had lower health-related quality of life, whereas taking oral contraceptive pills for menstrual problems was associated with higher scores in these adolescents.

    CONCLUSION: Menstrual problems among adolescents have a significant impact on their quality of life. It is probably wise to screen them at the school level, to identify those with low functional scores and to refer them for proper management at a tertiary adolescent gynaecology centre.

  9. Romli R, Abd Rahman R, Mohd Hashim S, Chew KT, Mohamad EMW, Mohammed Nawi A
    J Educ Health Promot, 2023;12:357.
    PMID: 38144028 DOI: 10.4103/jehp.jehp_1842_22
    INTRODUCTION: Cervical cancer remains a reproductive health burden. Pap smear (PS) screening can detect cervical cancer early but is underused despite being subsidized. Motivational factors play a role in promoting PS screening. This study aimed to determine the women's motivation toward PS screening based on Protection Motivation Theory (PMT), which mainly focused on sexual and screening status.

    MATERIALS AND METHODS: The study was conducted electronically throughout Malaysia from January to February 2022 by disseminating Google Form (https://forms.gle/cD7fkUKYR4Cq6kZC8) via multiple WhatsApp groups to reach 526 women aged 21-65 years. The questionnaire consists of 24 items based on seven PMT constructs [perceived vulnerability, perceived severity, self-efficacy, response efficacy, fear (threat appraisal), response costs (coping appraisal), and protection motivation]. The descriptive statistics and independent t-test was used to analyze data using IBM SPSS Statistics software, version 25.

    RESULTS: Most respondents were sexually active [80.6% (n = 424)] and have heard of PS screening [95.8% (n = 504)]. More than half of respondents did not have PS screening in the last three years [59.3% (n = 312)]. Sexually active women have heard and have undergone PS screening feel less threatened with low coping appraisals. Undergoing PS screening made women perceived more response efficacy (P =. 011), more self-efficacy (P

  10. Romli R, Mohd Hashim S, Abd Rahman R, Chew KT, Mohamad EMW, Mohammed Nawi A
    Gynecol Oncol Rep, 2024 Apr;52:101349.
    PMID: 38435346 DOI: 10.1016/j.gore.2024.101349
    PURPOSE: Cervical cancer (CC) screening remains challenging, where the motivational focus towards utilizing CC screening services is rarely highlighted. This study aimed to understand the motivation to undergo CC screening from women and healthcare practitioners' perspectives based on Protection Motivation Theory (PMT).

    METHOD: This qualitative study used the nominal group technique (NGT) and in-depth interview (IDI), where the NGT participants were healthcare practitioners from various disciplines (n = 12). Nominal group discussions were conducted via Zoom and involved one moderator, facilitator and observer. The IDI was conducted via Google Meet among seven women who had been included based on purposive sampling. All nominal group discussions and interviews were transcribed, verbatim and underwent deductive thematic analysis.

    RESULTS: Healthcare practitioners emphasized input on CC knowledge of epidemiology, risk, etiology, nature, and outcome to encourage motivation. Women underlined their important role in the family, and reducing the negative perception as a motivational focus. Having living example of witnessing the CC patient dying and fear of stigma of cancer could be the driven force to undergo screening. Emphasis on the important of sufficient knowledge and correct the misconceptions towards screening could impart the motivation among women.

    CONCLUSIONS: The motivational focus was enriched by the differing perspectives of the healthcare practitioners and women. The findings can guide intervention program development towards enhancing CC screening in the future.

  11. Kalok A, Loh SYE, Chew KT, Abdul Aziz NH, Shah SA, Ahmad S, et al.
    Vaccine, 2020 02 24;38(9):2183-2189.
    PMID: 32001070 DOI: 10.1016/j.vaccine.2020.01.043
    BACKGROUND: Vaccine hesitancy is a complex behaviour which involves various degrees of indecision about specific vaccines or vaccination uptake. Access to antenatal care had been associated with positive vaccine behavior.

    OBJECTIVE: To determine the prevalence of vaccine hesitancy towards childhood immunisation amongst urban pregnant mothers and the associated socio-demographic factors.

    METHODS: A cross-sectional study was conducted among 1081 women who received antenatal care at a teaching hospital in Kuala Lumpur. Vaccine hesitancy was assessed using the Parent Attitudes about Childhood Vaccines (PACV) Survey in both English and validated Malay versions. The sociodemographic data of the mothers and their partners, source of vaccine information and reasons for hesitancy were analysed.

    RESULTS: Eighty-six (8.0%) pregnant mothers were vaccine hesitant. Ethnicity, religion, number of children, educational level and employment status were significantly associated with vaccine hesitancy. Multivariable analysis showed that a low level of education was the most significant risk factor (p 

  12. Nurkhairulnisa AI, Chew KT, Zainudin AA, Lim PS, Shafiee MN, Kampan N, et al.
    Obstet Gynecol Int, 2018;2018:9795681.
    PMID: 30116271 DOI: 10.1155/2018/9795681
    Objective: This study aims to describe the menstrual pattern and menstrual care of girls with intellectual disabilities and to evaluate the impact of menstruation and awareness of parents/guardians on girls with intellectual disabilities.

    Methodology: Parents/guardians of girls aged 9-17 years with known intellectual disabilities who attended a scheduled public forum and Paediatrics and Adolescent Gynaecology Clinic (PAC) were recruited in a questionnaire-based study.

    Results: A total of 123 parents/guardians with a mean age of 41.83 ± 5.45 years completed the questionnaire. The mean age of girls with intellectual disabilities was 12.28 ± 2.78 years, and the mean menarcheal age was 11.12 ± 1.76 years. Only 53 (43.1%) parents/guardians were aware of availability of menstrual suppression. Parents/guardians with lower family income (OR = 0.00; 95% CI = 0.00-0.20), unable to manage menses (OR = 0.03; 95% CI = 0.00-0.61), and moderate severity of menses (OR = 0.01; 95% CI = 0.00-1.21), were associated with seeking medical help on menstrual suppression. The factors associated with parents/guardians requesting for sterilization were lower family income (OR = 0.02; 95% CI = 0.00-0.36) and concern about sexual abuse (OR = 0.25; 95% CI = 0.06-0.39).

    Conclusion: Menstrual pattern in girls with intellectual disabilities is similar to those without disabilities. Parents/guardians' knowledge and awareness on menstrual suppression were still lacking.

  13. Abdullah ZHA, Chew KT, Velayudham VRV, Yahaya Z, Jamil AAM, Abu MA, et al.
    PLoS One, 2022;17(1):e0262387.
    PMID: 35081157 DOI: 10.1371/journal.pone.0262387
    OBJECTIVE: To evaluate the association between transvaginal ultrasound scan of cervix and Bishop's score in predicting successful induction of labour, cut-off points and patients' tolerability and acceptance for both procedures.

    DESIGN: A comparative clinical trial.

    SETTING: A tertiary hospital in Selangor, Malaysia.

    PARTICIPANTS: 294 women planned for elective induction of labour for various indications were included. All women had transvaginal ultrasound to assess the cervical length and digital vaginal examination to assess the Bishop cervical scoring by separate investigators before induction of labour.

    PRIMARY OUTCOME MEASURE: To evaluate the association of the cervical length by transvaginal ultrasound scan and Bishop score in predicting successful induction of labour.

    SECONDARY OUTCOME MEASURE: Variables associated with successful induction of labour and patients' tolerability and acceptance for transvaginal ultrasound scan of cervix.

    RESULTS: There was no statistically significant difference among the vaginal and Caesarean delivery groups in terms of mean maternal age, height, weight, body mass index, ethnicity and gestational age at induction. Vaginal delivery occurred in 207 women (70.4%) and 87 women (29.6%) delivered via Caesarean section. There was a high degree of correlation between the cervical length and Bishop score (r-value 0.745; p <0.001). Sonographic assessment of cervical length demonstrated a comparable accuracy in comparison to Bishop score. Analysis using ROC curves noted an optimal cut-off value of ≤27mm for cervical length and Bishop score of ≥ 4, with a sensitivity of 69.1% vs 67%, specificity 60.9% vs 55%, and area under the curves (AUCs) of 0.672 and 0.643 respectively (p <0.001). Multivariate logistic regression analysis demonstrated that parity (OR 2.70), cervical length (OR 0.925), Bishop score (OR 1.272) and presence of funnelling (OR 3.292) were highly significant as independent predictors of success labour induction. Women also expressed significantly less discomfort with transvaginal ultrasound compared with digital vaginal examination.

    CONCLUSION: Sonographic assessment of cervical measurement predicts the success of induction of labour with similar diagnostic accuracy with conventional Bishop score.

  14. Mamat Yusof MN, Chew KT, Kampan N, Abd Aziz NH, Md Zin RR, Tan GC, et al.
    Cancers (Basel), 2022 Aug 13;14(16).
    PMID: 36010904 DOI: 10.3390/cancers14163911
    Endometrial cancer (EC) is one of the most common malignancies of the female genital tract and its current treatment mainly relies on surgical removal of the tumour bulk, followed by adjuvant radiotherapy with or without chemotherapy/hormonal therapy. However, the outcomes of these approaches are often unsatisfactory and are associated with severe toxicity and a higher recurrence rate of the disease. Thus, more clinical research exploring novel medical intervention is needed. Involvement of the immune pathway in cancer has become important and the finding of a high positive expression of programmed cell death-ligand 1 (PD-L1) in EC may offer a better targeted therapeutic approach. Numerous studies on the PD-L1 role in EC have been conducted, but the results remained inconclusive. Hence, this systematic review was conducted to provide an update and robust analysis in order to determine the pooled prevalence of PD-L1 expression in EC and evaluate its association with clinicopathological features in different focuses of tumour cells (TC) and immune cells (IC). A comprehensive literature search was conducted using the PubMed, Web of Science, and Scopus databases. Twelve articles between 2016 and 2021 with 3023 EC cases met the inclusion criteria. The effect of PD-L1 expression on the outcome parameters was estimated by the odds ratios (ORs) with 95% confidence intervals (CIs) for each study. The pooled prevalence of PD-L1 was 34.26% and 51.39% in the tumour cell and immune cell, respectively, among women with EC. The PD-L1 expression was significantly associated with Stage III/IV disease (in both TC and IC) and correlated to the presence of lympho-vascular invasion in IC. However, the PD-L1 expression in TC was not associated with the age groups, histology types, myometrial invasion, and lympho-vascular invasion. In IC, PD-L1 expression was not associated with age group, histology type, and myometrial invasion. The meta-analysis survival outcomes of PD-L1 high expression had a significant association with worse OS in IC but not in TC.
  15. Mamat Yusof MN, Chew KT, Hafizz AMHA, Abd Azman SH, Ab Razak WS, Hamizan MR, et al.
    Cancers (Basel), 2023 Aug 09;15(16).
    PMID: 37627060 DOI: 10.3390/cancers15164032
    The programmed cell death protein 1 (PD-1)/programmed cell death ligand 1 (PD-L1) pathway plays a crucial role in the immune escape mechanism and growth of cancer cells in endometrial cancer (EC). Clinical trials investigating PD-1/PD-L1 inhibitor have shown promising results in other cancers, but their efficacy in EC still remains uncertain. Therefore, this meta-analysis aims to provide an updated and robust analysis of the effectiveness and safety of PD-1/PDL1 inhibitor as single-agent immunotherapy in EC, focusing on the objective response rate (ORR), disease control rate (DCR), and adverse events (AEs). This meta-analysis utilized STATA version 17 and RevMan version 5.4 software to pool the results of relevant studies. Five studies conducted between 2017 and 2022, comprising a total of 480 EC patients enrolled for PD-1/PD-L1 inhibitor immunotherapy met the inclusion criteria. The pooled proportion of EC patients who achieved ORR through PD-1/PD-L1 inhibitor treatment was 26.0% (95% CI: 16.0-36.0%; p < 0.05). Subgroup analysis based on mismatch repair (MMR) status showed an ORR of 44.0% (95% CI: 38.0-50.0%; p = 0.32) for the deficient mismatch repair (dMMR) group and 8.0% (95% CI: 0.0-16.0%; p = 0.07) for the proficient mismatch repair (pMMR) group. Pooled proportion analysis by DCR demonstrated an odds ratio (OR) of 41.0% (95% CI: 36.0-46.0%, p = 0.83) for patients undergoing PD-1/PD-L1 inhibitor treatment. Subgroup analysis based on MMR status revealed DCR of 54.0% (95% CI: 47.0-62.0%; p = 0.83) for the dMMR group, and 31.0% (95% CI: 25.0-39.0%; p = 0.14) for the pMMR group. The efficacy of PD-1/PD-L1 inhibitors was significantly higher in the dMMR group compared to the pMMR group, in terms of both ORR (OR = 6.30; 95% CI = 3.60-11.03; p < 0.05) and DCR (OR = 2.57; 95% CI = 1.66-3.99; p < 0.05). In terms of safety issues, the pooled proportion of patients experiencing at least one adverse event was 69.0% (95% CI: 65.0-73.0%; p > 0.05), with grade three or higher AEs occurring in 16.0% of cases (95% CI: 12.0-19.0%; p > 0.05). Based on the subgroup analysis of MMR status, PD-1/PD-L1 inhibitor immunotherapy showed significantly better efficacy among dMMR patients. These findings suggest that patients with dMMR status may be more suitable for this treatment approach. However, further research on PD-1/PD-L1 inhibitor immunotherapy strategies is needed to fully explore their potential and improve treatment outcomes in EC.
  16. Mohd Nafiah NA, Chieng WK, Zainuddin AA, Chew KT, Kalok A, Abu MA, et al.
    Int J Environ Res Public Health, 2022 Sep 01;19(17).
    PMID: 36078602 DOI: 10.3390/ijerph191710886
    Hyperemesis gravidarum is characterized by severe nausea and vomiting. This study aims to illustrate the efficacy of acupressure at P6 in treating nausea and vomiting in hyperemesis gravidarum. This parallel randomized controlled trial was conducted from 2016-2017 in a tertiary hospital. Hospitalized women with ≤16 weeks of gestation and moderate to severe nausea and vomiting classified using a modified PUQE score were randomly assigned in a 1:1 ratio to either apply an acupressure wristband at the P6 point three times daily or to receive regular doses of intravenous antiemetics. The primary outcome was differences in modified PUQE scores among the groups. The secondary outcomes were differences in the rate of urine ketone clearance and the frequency of requiring rescue antiemetics. Ninety women were equally randomized into two groups, with no dropout. There was a statistically significant difference in the degrees of nausea and vomiting between the groups at 8, 16, and 24 hours post-admission (p8hours= 0.001, p16hours = 0.006, and p24hours = 0.001). The requirement of antiemetics and the rate of urine ketone clearance between the two groups were also statistically significant, at p = 0.001 and p = 0.02 respectively. There were no side effects in either group. The P6 acupressure was efficacious in alleviating nausea and vomiting among hyperemesis gravidarum women. The trial was retrospectively registered on ClinicalTrials.gov (NCT05175079).
Related Terms
Filters
Contact Us

Please provide feedback to Administrator ([email protected])

External Links