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Fulltext A Landscape View of the Female Genital Tract Microbiome in Healthy Controls and Women With Reproductive Health Conditions Associated With Ectopic Pregnancy

Teh HE, Pung CK, Arasoo VJT, Yap PSX

Br J Biomed Sci, 2023;80:12098.
PMID: 38283642 DOI: 10.3389/bjbs.2023.12098

Disruption of the female genital microbiome is associated with several pregnancy complications, including miscarriage, preterm onset of labour, and tubal pregnancy. Ectopic pregnancy is a known cause of maternal morbidity and mortality, but early diagnosis and treatment of ectopic pregnancy remain a challenge. Despite growing established associations between genital microbiome and female reproductive health, few studies have specifically focused on its link with ectopic pregnancy. Therefore, the current review aims to provide a comprehensive account of the female genital microbiome in healthy and fertile women compared to those in ectopic pregnancy and its associated risk factors. The microbial diversity from various sites of the female genital tract was explored for a reliable proxy of female reproductive health in sequencing-based ectopic pregnancy research. Our report confirmed the predominance of Lactobacillus in the vagina and the cervix among healthy women. The relative abundance decreased in the vaginal and cervical microbiome in the disease state. In contrast, there were inconsistent findings on the uterine microbiome across studies. Additionally, we explore a spectrum of opportunities to enhance our understanding of the female genital tract microbiome and reproductive conditions. In conclusion, this study identifies gaps within the field and emphasises the need for visionary solutions in metagenomic tools for the early detection of ectopic pregnancy and other gynaecological diseases.
Fulltext Gestational Diabetes Mellitus in Southeast Asia: A Scoping Review

Kunasegaran T, Balasubramaniam VRMT, Arasoo VJT, Palanisamy UD, Ramadas A

Int J Environ Res Public Health, 2021 01 31;18(3).
PMID: 33572656 DOI: 10.3390/ijerph18031272

A rapid increase in the prevalence of gestational diabetes mellitus (GDM) has been associated with various factors such as urbanization, lifestyle changes, adverse hyperglycemic intrauterine environment, and the resulting epigenetic changes. Despite this, the burden of GDM has not been well-assessed in Southeast Asia. We comprehensively reviewed published Southeast Asian studies to identify the current research trend in GDM in this region. Joanna Briggs Institute's methodology was used to guide the scoping review. The synthesis of literature findings demonstrates almost comparable clinical evidence in terms of risk factors and complications, challenges presented in diagnosing GDM, and its disease management, given the similarities of the underlying population characteristics in Southeast Asia. Evidence suggests that a large proportion of GDM risk in women may be preventable by lifestyle modifications. However, the GDM burden across countries is expected to rise, given the heterogeneity in screening approaches and diagnostic criteria, mainly influenced by economic status. There is an urgent need for concerted efforts by government and nongovernmental sectors to implement national programs to prevent, manage, and monitor the disease.
Fulltext Feedback after OSCE: A comparison of face to face versus an enhanced written feedback

Ngim CF, Fullerton PD, Ratnasingam V, Arasoo VJT, Dominic NA, Niap CPS, et al.

BMC Med Educ, 2021 Mar 24;21(1):180.
PMID: 33761946 DOI: 10.1186/s12909-021-02585-z

BACKGROUND: The Objective Structured Clinical Exam (OSCE) is a useful means of generating meaningful feedback. OSCE feedback may be in various forms (written, face to face and audio or video recordings). Studies on OSCE feedback are uncommon, especially involving Asian medical students.
METHODS: We compared two methods of OSCE feedback delivered to fourth year medical students in Malaysia: (i) Face to face (FTF) immediate feedback (semester one) (ii) Individualised enhanced written (EW) feedback containing detailed scores in each domain, examiners' free text comments and the marking rubric (semester two). Both methods were evaluated by students and staff examiners, and students' responses were compared against their OSCE performance.
RESULTS: Of the 116 students who sat for both formative OSCEs, 82.8% (n=96) and 86.2% (n=100) responded to the first and second survey respectively. Most students were comfortable to receive feedback (91.3% in FTF, 96% in EW) with EW feedback associated with higher comfort levels (p=0.022). Distress affected a small number with no differences between either method (13.5% in FTF, 10% in EW, p=0.316). Most students perceived both types of feedback improved their performance (89.6% in FTF, 95% in EW); this perception was significantly stronger for EW feedback (p=0.008). Students who preferred EW feedback had lower OSCE scores compared to those preferring FTF feedback (mean scores ± SD: 43.8 ± 5.3 in EW, 47.2 ± 6.5 in FTF, p=0.049). Students ranked the "marking rubric" to be the most valuable aspect of the EW feedback. Tutors felt both methods of feedback were equally beneficial. Few examiners felt they needed training (21.4% in FTF, 15% in EW) but students perceived this need for tutors' training differently (53.1% in FTF, 46% in EW) CONCLUSION: Whilst both methods of OSCE feedback were highly valued, students preferred to receive EW feedback and felt it was more beneficial. Learning cultures of Malaysian students may have influenced this view. Information provided in EW feedback should be tailored accordingly to provide meaningful feedback in OSCE exams.
Fulltext The Modulation of Gut Microbiota Composition in the Pathophysiology of Gestational Diabetes Mellitus: A Systematic Review

Kunasegaran T, Balasubramaniam VRMT, Arasoo VJT, Palanisamy UD, Ramadas A

Biology (Basel), 2021 Oct 11;10(10).
PMID: 34681126 DOI: 10.3390/biology10101027

General gut microbial dysbiosis in diabetes mellitus, including gestational diabetes mellitus (GDM), has been reported in a large body of literature. However, evidence investigating the association between specific taxonomic classes and GDM is lacking. Thus, we performed a systematic review of peer-reviewed observational studies and trials conducted among women with GDM within the last ten years using standard methodology. The National Institutes of Health (NIH) quality assessment tools were used to assess the quality of the included studies. Fourteen studies investigating microbial interactions with GDM were found to be relevant and included in this review. The synthesis of literature findings demonstrates that Bacteroidetes, Proteobacteria, Firmicutes, and Actinobacteria phyla, such as Desulfovibrio, Ruminococcaceae, P. distasonis, Enterobacteriaceae, Collinsella, and Prevotella, were positively associated with GDM. In contrast, Bifidobacterium and Faecalibacterium, which produce butyrate, are negatively associated with GDM. These bacteria were associated with inflammation, adiposity, and glucose intolerance in women with GDM. Lack of good diet management demonstrated the alteration of gut microbiota and its impact on GDM glucose homeostasis. The majority of the studies were of good quality. Therefore, there is great potential to incorporate personalized medicine targeting microbiome modulation through dietary intervention in the management of GDM.
Fulltext Diet Gut Microbiota Axis in Pregnancy: A Systematic Review of Recent Evidence

Kunasegaran T, Balasubramaniam VRMT, Arasoo VJT, Palanisamy UD, Ramadas A

Curr Nutr Rep, 2023 Mar;12(1):203-214.
PMID: 36810808 DOI: 10.1007/s13668-023-00453-4

PURPOSE OF REVIEW: Although gut microbiota have been associated with the etiology of some diseases, the influence of foods on gut microbiota, especially among pregnant women, remains unclear. Hence, a systematic review was performed to investigate the association between diet and gut microbiota and their influence on metabolic health in pregnant women.
RECENT FINDINGS: We performed the systematic review using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 protocol to investigate the association between diet and gut microbiota and their influence on metabolic role in pregnant women. Five databases were searched for relevant peer-reviewed articles published in English since 2011. Two-staged screening of 659 retrieved records resulted in the inclusion of 10 studies. The collated findings suggested associations between nutrient intakes and four key microbes: Collinsella, Lachnospira, Sutterella, Faecalibacterium, and the Firmicutes/Bacteroidetes ratio in pregnant women. Dietary intakes in pregnancy were found to modify the gut microbiota and positively influence the cell metabolism in pregnant women. This review, however, emphasizes the importance of conducting well-designed prospective cohorts to investigate the role of changes in dietary intakes within the pregnancy and the influence of such changes on gut microbiota.
Effects of Ramadan fasting on fetal health: A systematic review

Ong AKW, Yee AL, Fong AJH, Arasoo VJT, Ramadas A

Aust N Z J Obstet Gynaecol, 2023 Oct;63(5):625-637.
PMID: 37283305 DOI: 10.1111/ajo.13706

BACKGROUND: Ramadan fasting (RF) is mandatory for all healthy Muslims in the ninth month of the Islamic calendar. Although pregnant women are exempt from fasting, many make the decision to practise it. Concerns that fasting during pregnancy harms the fetus remain, as there are no firm recommendations regarding its safety.
OBJECTIVES: To provide a systematic review on the effects of RF on fetal health.
SEARCH STRATEGY: We conducted a literature search for peer-reviewed articles through Ovid MEDLINE, PubMed, SCOPUS, EMBASE and Cochrane Central Register of Controlled Trials (CENTRAL) until 31 December 2021.
SELECTION CRITERIA: All case-control and observational cohort studies that reported on fetal outcomes of pregnant women who underwent RF for at least one day during pregnancy are included.
DATA COLLECTION AND ANALYSIS: Two researchers independently reviewed the eligibility of all studies. A third researcher resolved any conflict between researchers. Findings are extracted from eligible papers and presented as narratives.
MAIN RESULTS: Fourteen articles are included based on eligibility criteria, with a total sample size of 2889. Studies demonstrate negative associations between RF and neonatal weight, amniotic fluid index, preterm birth and growth parameters mainly during the second and third trimesters. However, the evidence is not strongly supported.
CONCLUSION: There is limited data to elucidate the relationship between RF and fetal health, hence the need for more studies to provide a better understanding.
Fulltext Perceived barriers to exercise in women with gestational diabetes mellitus

Arasoo VJT, Dominic NA, Ramadas A, Lim KH, Tiong CW, Liew E, et al.

International Medical Journal Malaysia, 2018;17(3):49-58.
MyJurnal

Introduction: Good control of glycaemia negates potential maternal and fetal complications. A diet suitable for women with gestational diabetes mellitus (GDM) is a first line approach. However, little is said about suitable exercise in pregnancy that will potentially help control glycaemia. This pilot study seeks to understand the perceived barriers to exercise in women with GDM.
Materials and Methods: This crosssectional study recruited patients with GDM on diet control at the antenatal clinic of Hospital Sultanah Aminah Johor Bahru, Malaysia between October 2017 and January 2018. Those who fulfilled the recruitment criteria were approached and 89 women consented to participate. Data was obtained from antenatal records and a self-administered questionnaire.
Results: The mean age of the participants was 33.3 years. More than 80% were Para 1 and above. 69.6% were either overweight or obese at booking of pregnancy. 80.9% were aware that exercise was necessary for women with GDM. Only 6.7% say that healthcare professionals were their source of information on exercise in pregnancy. 77.3% of the women with low physical activity had full time jobs. Housewives (64.5%) had the highest level of physical activity. Tiredness (43.8%), childcare duties (38.2%) and lack of time (27.0%) were the most common perceived barriers to exercise. Nulliparity was significantly associated with tiredness.
Conclusion: Main barriers to exercise are tiredness and childcare duties. Health care professionals did little in educating women with GDM on suitable exercise.