Publications by authors named "Eu-Leong Yong"

Introduction: There is very limited knowledge on the relationship between pregnancy hypertension and the occurrence of pre-clinical Alzheimer's disease (AD).

Methods: Community-dwelling midlife women without dementia were enrolled from well-woman clinics of the National University Hospital, Singapore. Sociodemographic parameters and history of pregnancy hypertension were obtained.

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Background: Muscle mass declines after menopause and is a key risk factor for frailty, falls and poor physical function as women age. The deuterated creatine (DCr) dilution method provides a direct assessment of muscle mass, but its accuracy in Asian women has not been evaluated. Our aim was to develop a new DCr algorithm incorporating anthropomorphic variables that can estimate fat-free muscle mass, using magnetic resonance imaging (MRI) as the reference standard.

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Background: Early menarche is associated with lifelong health implications, including heightened risks for obesity, type 2 diabetes (T2D), cardiovascular disease, and overall mortality. This study explored the associations that link early menarche, major adiposity indices, and T2D in a group of multi-ethnic Asian women.

Methods: A prospective, hospital-based study was conducted in Singapore.

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There is a lack of studies examining the role of women-specific factors in the development of depression in midlife women. Healthy women (45-69 years) were enrolled at baseline from a Singapore tertiary hospital and followed up 6.8 years later.

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Objective: Little is known about the longitudinal associations between creatinine-cystatin C ratios (CCR) with muscle volume and function during the menopausal transition. We investigated the longitudinal relationship of baseline CCR, with muscle volumes measured by magnetic resonance imaging (MRI), and objectively measured muscle strength and physical performance after 6.6-year follow-up.

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Aim: To investigate the independent and combined effects of muscle strength and visceral adiposity on prediabetes and type 2 diabetes incidence among midlife women.

Materials And Methods: In this prospective study of midlife women (mean age 56.4 years), visceral adiposity, defined as visceral adipose tissue (VAT) >131 cm measured by dual energy X-ray absorptiometry, and poor combined muscle strength, defined as handgrip strength <18 kg and/or five-time repeated chair stand test performance ≥12 s, were determined at baseline between 2014 and 2016.

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Article Synopsis
  • This study investigated pelvic floor dysfunction among midlife women in Asia over a 6-7 year period, focusing on the prevalence, incidence, and persistence of symptoms like pelvic organ prolapse (POP), bowel, and urinary issues.
  • About 62.3% of women reported symptoms at the start, with factors like poor sleep significantly increasing the risk of new symptoms.
  • Postmenopausal women showed lower risks for certain symptoms, while better physical performance decreased bowel symptom risks, but obesity was linked to persistent issues.
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Introduction: Two decades after the Rotterdam 2003 consensus workshop, there have been considerable advances in elucidating the pathophysiology and epidemiology of polycystic ovary syndrome (PCOS). This has prompted the re-examination of the features that characterise this common condition. Current definitions have led to great heterogeneity in the prevalence of PCOS and have contributed to inconsistent treatment protocols and assessment of therapeutic outcomes.

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Background: We aim to determine the multiethnic patterns of the prevalence and associated factors of poor muscle health and its associated components in older Chinese, Malays, and Indian Asian adults.

Methods: We included 2199 participants (mean age ± SD: 72.9 ± 8.

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Background: Women are less likely to have classic cardiovascular risk factors than men, and events during their reproductive and menopausal years may increase hypertension risk. The aim of this study is to examine woman-specific factors, including menstrual, reproductive and pregnancy complications, in relation to the prevalence of hypertension in mid-life Asian women.

Methods: This is a cross-sectional study of 1146 healthy women aged 45-69 years, from a multi-ethnic Asian cohort.

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Background: We explored the relationships between sarcopenia (SP), osteoporosis (OP), obesity (OB), (alone and in combination) with physical frailty (PF) in a multi-ethnic, population-based study of Asians aged ≥ 60 years.

Methods: Participants were enrolled from the PopulatION HEalth and Eye Disease PRofile in Elderly Singaporeans Study (PIONEER) study. PF was defined using the modified Fried phenotype; SP using the Asian Working Group for Sarcopenia 2019; OP using bone mineral density scores; and OB using the fat mass index.

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Objective: Menopausal symptoms can substantially impact quality of life. We studied somatic, psychological, and urogenital symptoms and their associated factors.

Design: Cross-sectional study of healthy midlife Singaporean women from three major Asian ethnic groups.

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Background: The contribution of language preference and ethnicity to muscle strength and physical performance is unclear. We examined the associations of reading language preferences with muscle strength and performance in Chinese women and compared them to other ethnicities.

Methods: The Integrated Women's Health Programme (IWHP) cohort comprised community-dwelling, midlife Singaporean women aged 45-69.

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Introduction: To compare epidemiological features and clinical presentations of deep infiltrating endometriosis with endometrioma and adenomyosis, as well as to identify risk factors for the respective histologically confirmed conditions.

Method: Patients undergoing index surgery at the National University Hospital, Singapore for endometriosis or adenomyosis over a 7-year period-from 2015 to 2021-were identified from hospital databases using the Table of Surgical Procedures coding. Social and epidemiological features of cases with histologically confirmed diagnoses of endometrioma only, adenomyosis only, and deep infiltrating endometriosis were compared.

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This study aimed to examine sarcopenia prevalence using the Asian Working Group for Sarcopenia 2019 (AWGS) and the Foundation for the National Institutes of Health (FNIH) definitions, and their associations with important health conditions affecting midlife Singaporean women. Muscle mass and function were objectively assessed in 1201 healthy community-dwelling subjects aged 45-69 years under the Integrated Women's Health Program (IWHP). Dual-energy X-ray absorptiometry (DXA), handgrip strength and the Short Physical Performance Battery (SPPB) were measured, and the relationship between sarcopenia with hypertension, type 2 diabetes (T2DM), osteoporosis, depression/anxiety, and urinary incontinence were examined using binary logistic regression models.

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Article Synopsis
  • - The study investigated factors linked to poor sleep quality in midlife women (aged 45-69) of different ethnicities living in Singapore, using the Pittsburgh Sleep Quality Index (PSQI) to measure sleep quality.
  • - Among the 1,094 participants, 38.2% reported poor sleep, with Indian women experiencing more disturbances and Malays reporting more daytime dysfunction compared to Chinese women.
  • - Identified factors associated with poor sleep included low education, irritability, vaginal dryness, disability, urinary incontinence, and a history of breast cancer, indicating the need for ethnic-specific interventions.
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Objective: Growth differentiation factor-9 (GDF9) and bone morphogenetic protein-15 (BMP15) are critical paracrine regulators of female fertility and are predominantly expressed by oocytes. However, it is unknown if serum concentrations reflect changes in ovarian function and/or reproductive endocrine disorders. This study aimed to determine if serum GDF9/BMP15 are associated with ovarian, pituitary, oestrogenic, androgenic and metabolic characteristics and the ovarian pathologies, polycystic ovarian morphology (PCOM) and polycystic ovary syndrome (PCOS).

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We hypothesized that a combined index of upper and lower body muscle strength would be more strongly associated with diabetes than either measure alone. Women recruited into the Integrated Women's Health Program had their handgrip strength (HGS) measured using a dynamometer and underwent a timed 5-repetition chair stand (RCS) test. HGS < 18 kg and RCS performance ≥ 12 s assessed upper and lower body strength, respectively, both individually and combined in a muscle strength index (MSI).

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Introduction: To harmonise the diagnostic processes of polycystic ovary syndrome (PCOS) and enable clinicians to provide better patient care, it is critical to understand the knowledge gaps in PCOS diagnosis. We evaluated how clinicians in endocrinology, family medicine, general practice and gynaecology diagnose PCOS.

Methods: This cross-sectional survey involved 208 clinicians from specific subspecialties across various healthcare settings in Singapore.

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Objectives: To examine factors relating to both sexual inactivity and sexual dysfunction in midlife Singaporean women.

Study Design: Sociodemographic, medical/lifestyle factors, physical activity, BMI, handgrip strength (HGS) and physical performance data collected from healthy Chinese, Indian, and Malay women, aged 45-69 years, attending gynaecology clinics.

Main Outcome Measures: Sexual inactivity and sexual dysfunction (defined as total score ≤ 26.

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Background: Fragility fractures due to menopausal osteoporosis are a major cause of morbidity and mortality. Osteoporotic medications have substantial side effects that limit long term use.

Hypotheses: Ingestion of a purified extract of Epimedium spp.

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Objective: To assess the risk of type 2 diabetes (T2D) in women with polycystic ovary syndrome (PCOS) in relation to body mass index (BMI) and the hyperandrogenic (HA) PCOS phenotype.

Design: Population-based cohort study.

Setting: Data from six Swedish national registers, with participants being followed for a maximum of 19 years.

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Screening for osteoporosis in women can be based on age and weight, using the Osteoporosis Screening Tool for Asians and assessment for other risk factors such as early menopause, Chinese ethnicity and other secondary factors. Based on the resulting risk profile, women can be triaged to dual-energy X-ray absorptiometry (DEXA) scanning for definite diagnosis of osteoporosis. Treatment should be considered in women with previous fragility fractures, DEXA-diagnosed osteoporosis and high risk of fracture.

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Background: A diagnosis of Polycystic Ovary Syndrome (PCOS) and its related phenotypic features including increased hair growth can affect a woman's social and emotional well-being. We aim to determine firstly, if excess body weight affects menstrual cycle length, excessive hair growth and other phenotypic features in healthy women without PCOS and secondly, whether having PCOS exacerbates the effects of high body mass index (BMI).

Methods: A prospective cross-sectional study involving healthy women (21-45 years) recruited at an annual health screen for hospital staff and volunteers from the university community, and PCOS cases referred to tertiary gynecological clinics in Singapore.

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