1.The Critical Role of Body Composition Assessment in Advancing Research and Clinical Health Risk Assessment across the Lifespan
Journal of Obesity & Metabolic Syndrome 2025;34(2):120-137
Obesity and low muscle mass are major public health concerns, especially in older adults, due to their strong links to cardiovascular disease, cancer, and mortality. Beyond body mass index, body composition metrics including skeletal muscle, fat mass, and visceral adipose tissue offer deeper insights into nutrition and disease risk.These measures are essential for both cross-sectional assessments and longitudinal tracking, providing a clearer picture of health changes over time. Selecting body composition assessment tools requires balancing cost, practicality, accuracy, and data quality. The right tools enhance research, refine clinical assessments, and inform targeted interventions. Aligning methods with specific research or clinical goals improves disease risk stratification and advances personalized treatments. This review highlights the importance of integrating body composition assessment into research and clinical practice, addressing knowledge gaps across diverse populations and emphasizing its potential in advancing precision medicine. It also highlights recent advancements in body composition assessment techniques that warrant consideration when evaluating techniques for a specific application.Future efforts should focus on refining these tools, expanding their accessibility, and developing comprehensive risk models that incorporate body composition alongside behavioral, environmental, and genetic factors to improve disease prediction and prevention strategies.
2.The Critical Role of Body Composition Assessment in Advancing Research and Clinical Health Risk Assessment across the Lifespan
Journal of Obesity & Metabolic Syndrome 2025;34(2):120-137
Obesity and low muscle mass are major public health concerns, especially in older adults, due to their strong links to cardiovascular disease, cancer, and mortality. Beyond body mass index, body composition metrics including skeletal muscle, fat mass, and visceral adipose tissue offer deeper insights into nutrition and disease risk.These measures are essential for both cross-sectional assessments and longitudinal tracking, providing a clearer picture of health changes over time. Selecting body composition assessment tools requires balancing cost, practicality, accuracy, and data quality. The right tools enhance research, refine clinical assessments, and inform targeted interventions. Aligning methods with specific research or clinical goals improves disease risk stratification and advances personalized treatments. This review highlights the importance of integrating body composition assessment into research and clinical practice, addressing knowledge gaps across diverse populations and emphasizing its potential in advancing precision medicine. It also highlights recent advancements in body composition assessment techniques that warrant consideration when evaluating techniques for a specific application.Future efforts should focus on refining these tools, expanding their accessibility, and developing comprehensive risk models that incorporate body composition alongside behavioral, environmental, and genetic factors to improve disease prediction and prevention strategies.
3.The Critical Role of Body Composition Assessment in Advancing Research and Clinical Health Risk Assessment across the Lifespan
Journal of Obesity & Metabolic Syndrome 2025;34(2):120-137
Obesity and low muscle mass are major public health concerns, especially in older adults, due to their strong links to cardiovascular disease, cancer, and mortality. Beyond body mass index, body composition metrics including skeletal muscle, fat mass, and visceral adipose tissue offer deeper insights into nutrition and disease risk.These measures are essential for both cross-sectional assessments and longitudinal tracking, providing a clearer picture of health changes over time. Selecting body composition assessment tools requires balancing cost, practicality, accuracy, and data quality. The right tools enhance research, refine clinical assessments, and inform targeted interventions. Aligning methods with specific research or clinical goals improves disease risk stratification and advances personalized treatments. This review highlights the importance of integrating body composition assessment into research and clinical practice, addressing knowledge gaps across diverse populations and emphasizing its potential in advancing precision medicine. It also highlights recent advancements in body composition assessment techniques that warrant consideration when evaluating techniques for a specific application.Future efforts should focus on refining these tools, expanding their accessibility, and developing comprehensive risk models that incorporate body composition alongside behavioral, environmental, and genetic factors to improve disease prediction and prevention strategies.
4.Renal calculus in an ectopic pelvic kidney – A case report and review of literature
Jonathan David P. Carasig ; Neddy L. Lim ; Michael Dave N. Mesias
Philippine Journal of Urology 2024;34(1):42-45
Pelvic kidneys are anatomical abnormalities that occur when the kidney does not rise from the pelvis during embryogenesis. The majority of cases are asymptomatic, though they are associated with higher risks for traumatic injury, infections, renal calculi, and other urological issues. Because of its advantages of flexion and deflection, retrograde intrarenal surgery (RIRS) employing flexible ureterorenoscopy (fURS) is an alternative treatment method for small- to medium-sized calculi in anatomically aberrant kidneys. Presented here is a case of a 43-year-old male with a renal stone in a pelvic left kidney with the ureter crossing the midlineand is located at the prevertebral region at the level of L4 to S1.
5.Knowledge, attitude, and practices on rabies prevention and control among primary care providers of children 0-18 years old
Nikki Francheska L. Tubeo-Dilao ; Jonathan G. Lim ; Cheryl K. Bullo
Pediatric Infectious Disease Society of the Philippines Journal 2024;25(1):54-63
Objectives:
To determine the knowledge, attitude, and practices (KAP) on rabies prevention and control among
primary care providers of children 0-18 years old.
Methodology:
This is an analytical cross-sectional study conducted among primary care providers of children 0-
18-years old in Barangay Sambag I, Cebu City, Philippines. A questionnaire to determine the KAP on rabies
prevention and control, originally developed by Lañada et al., was modified and contextualized to the local setting.
Respondents with at least 75% correct answers per domain were considered to have good overall knowledge,
attitude, and practices. Furthermore, each question under the above domains was analyzed separately to determine
any gaps in KAP. Results were recorded as frequencies and percentages. The association of KAP to one another
and the respondents’ profiles were analyzed using Chi-square test with a level of significance of 0.05.
Results:
Among 285 respondents, 59.3% had poor knowledge, 35.8% had wrong practices, and 21.8% had negative
attitude on rabies prevention and control. We found that 92.6% did not know that rabies is incurable. As to
practices, performing “tandok” (42.5%), or the act of removal of rabies from a wound by using an animal horn,
and applying herbal medicines (34%) were still done. Use of dog restraint (44.6%) and euthanasia (40%) weren’t
favorable to study participants. Surprisingly, non-dog owners had good knowledge and positive attitude than dog
owners.
Conclusion
Our study showed that majority of the study population had poor knowledge on rabies prevention
and control, on disease transmission, and on the incurability of rabies. While majority had a positive attitude and
correct practices, the unacceptability on the use of a dog restraint and euthanasia, especially among dog owners,
were still evident.
Rabies
;
Knowledge
7.De Novo Focal Segmental Glomerulosclerosis (FSGS) Post Covid 19 Vaccination: Case Series in A Single Centre in Malaysia
Jonathan Thian Hooi Yong ; Xun Quan Sze ; Christopher Thiam Seong Lim ; Bak Leong Goh
Malaysian Journal of Medicine and Health Sciences 2023;19(No.6):360-363
Introduction: Mass COVID-19 vaccination has been pivotal in the fight against this pandemic. The occurrence of
glomerular disease following COVID-19 vaccinations particularly mRNA vaccine has been reported. The reported
cases in the region are limited and number of cases reported are low in contrast to the total number of vaccine doses
given worldwide, the healthcare providers should be alerted about such issues to provide swift and proper management. Case Series: Here, we report 3 cases of Focal segmental glomerulosclerosis (FSGS) following COVID-19 vaccination and their outcomes. Two of the patients received BNT162b2 vaccination and one received CoronaVac vaccination. The mean age of the patients was 33+/-7 years old. The mean duration onset of FSGS was 23+/-19 days post
vaccinations. Two of the patients (BNT162b2 vaccination and CoronaVac vaccination) achieved complete remission
after corticosteroid therapy. This is the first reported case of De Novo FSGS following CoronaVac vaccination in the
literature. The third patient, who received BNT162b2 vaccination and presented late (42 days post vaccination) was
not in remission despite three months of immunosuppressive treatment. Conclusion: The treating physician needs to
be aware of the possibility of the development of FSGS associated with COVID-19 vaccination and how to proceed
with vaccination schedule in these populations. Overall, the advantage of COVID-19 vaccination far outweighs the
possibility of COVID-19 vaccine-associated glomerular disease.
8.Pericarditis and myocarditis after COVID-19 mRNA vaccination in a nationwide setting.
Jonathan YAP ; Mun Yee THAM ; Jalene POH ; Dorothy TOH ; Cheng Leng CHAN ; Toon Wei LIM ; Shir Lynn LIM ; Yew Woon CHIA ; Yean Teng LIM ; Jonathan CHOO ; Zee Pin DING ; Ling Li FOO ; Simin KUO ; Yee How LAU ; Annie LEE ; Khung Keong YEO
Annals of the Academy of Medicine, Singapore 2022;51(2):96-100
INTRODUCTION:
Despite reports suggesting an association between COVID-19 mRNA vaccination and pericarditis and myocarditis, detailed nationwide population-based data are sparsely available. We describe the incidence of pericarditis and myocarditis by age categories and sex after COVID-19 mRNA vaccination from a nationwide mass vaccination programme in Singapore.
METHODS:
The incidence of adjudicated cases of pericarditis and myocarditis following COVID-19 mRNA vaccination that were reported to the vaccine safety committee between January to July 2021 was compared with the background incidence of myocarditis in Singapore.
RESULTS:
As of end July 2021, a total of 34 cases were reported (9 pericarditis only, 14 myocarditis only, and 11 concomitant pericarditis and myocarditis) with 7,183,889 doses of COVID-19 mRNA vaccine administered. Of the 9 cases of pericarditis only, all were male except one. The highest incidence of pericarditis was in males aged 12-19 years with an incidence of 1.11 cases per 100,000 doses. Of the 25 cases of myocarditis, 80% (20 cases) were male and the median age was 23 years (range 12-55 years) with 16 cases after the second dose. A higher-than-expected number of cases were seen in males aged 12-19 and 20-29 years, with incidence rates of 3.72 and 0.98 case per 100,000 doses, respectively.
CONCLUSION
Data from the national registry in Singapore indicate an increased incidence of pericarditis and myocarditis in younger men after COVID-19 mRNA vaccination.
Adolescent
;
Adult
;
COVID-19/prevention & control*
;
COVID-19 Vaccines/adverse effects*
;
Child
;
Female
;
Humans
;
Male
;
Middle Aged
;
Myocarditis/etiology*
;
Pericarditis/etiology*
;
RNA, Messenger
;
SARS-CoV-2
;
Vaccination/adverse effects*
;
Vaccines, Synthetic
;
Young Adult
;
mRNA Vaccines
9.Academy of Medicine, Singapore clinical guideline on endoscopic surveillance and management of gastric premalignant lesions.
Vikneswaran NAMASIVAYAM ; Calvin J KOH ; Stephen TSAO ; Jonathan LEE ; Khoon Lin LING ; Christopher KHOR ; Tony LIM ; James Weiquan LI ; Aung Myint OO ; Benjamin C H YIP ; Ikram HUSSAIN ; Tju Siang CHUA ; Bin Chet TOH ; Hock Soo ONG ; Lai Mun WANG ; Jimmy B Y SO ; Ming THE ; Khay Guan YEOH ; Tiing Leong ANG
Annals of the Academy of Medicine, Singapore 2022;51(7):417-435
Gastric cancer (GC) has a good prognosis, if detected at an early stage. The intestinal subtype of GC follows a stepwise progression to carcinoma, which is treatable with early detection and intervention using high-quality endoscopy. Premalignant lesions and gastric epithelial polyps are commonly encountered in clinical practice. Surveillance of patients with premalignant gastric lesions may aid in early diagnosis of GC, and thus improve chances of survival. An expert professional workgroup was formed to summarise the current evidence and provide recommendations on the management of patients with gastric premalignant lesions in Singapore. Twenty-five recommendations were made to address screening and surveillance, strategies for detection and management of gastric premalignant lesions, management of gastric epithelial polyps, and pathological reporting of gastric premalignant lesions.
Adenomatous Polyps
;
Endoscopy
;
Humans
;
Precancerous Conditions/therapy*
;
Singapore
;
Stomach Neoplasms/therapy*
10.Interaction of sex and diabetes in Asian patients with heart failure with mildly reduced left ventricular ejection fraction.
Julian C K TAY ; Shaw Yang CHIA ; David K L SIM ; Ping CHAI ; Seet Yoong LOH ; Aland K L SHUM ; Sheldon S G LEE ; Patrick Z Y LIM ; Jonathan YAP
Annals of the Academy of Medicine, Singapore 2022;51(8):473-482
INTRODUCTION:
The impact of sex and diabetes mellitus (DM) on patients with heart failure with mildly reduced ejection fraction (HFmrEF) is not well elucidated. This study aims to evaluate sex differences in the clinical profile and outcomes in Asian HFmrEF patients with and without DM.
METHODS:
Patients admitted nationally for HFmrEF (ejection fraction 40-49%) between 2008 and 2014 were included and followed up until December 2016. The primary outcome was all-cause mortality. Secondary outcomes included cardiovascular (CV) death and/or heart failure (HF) rehospitalisations.
RESULTS:
A total of 2,272 HFmrEF patients (56% male) were included. More women had DM than men (60% versus 55%, P=0.013). Regardless of DM status, HFmrEF females were older, less likely to smoke, had less coronary artery disease, narrower QRS and lower haemoglobin compared to men. The odds of having DM decreases in smokers who are women as opposed to men (Pinteraction =0.017). In multivariate analysis, DM reached statistical analysis for all-cause mortality and combined CV mortality or HF rehospitalisation in both men and women. However, the results suggest that there may be sex differences in terms of outcomes. DM (vs non-DM) was less strongly associated with increased all-cause mortality (adjusted hazards ratio [adj HR] 1.234 vs adj HR 1.290, Pinteraction <0.001] but more strongly associated with the combined CV death/HF rehospitalisation (adj HR 1.429 vs adj HR 1.317, Pinteraction =0.027) in women (vs men).
CONCLUSION
Asian women with HFmrEF had a higher prevalence of DM, with differences in clinical characteristics, compared to men. While diabetes conferred poor outcomes regardless of sex, there were distinct sex differences. These highlight the need for sex-specific management strategies.
Diabetes Mellitus/epidemiology*
;
Female
;
Heart Failure
;
Humans
;
Male
;
Prognosis
;
Stroke Volume
;
Ventricular Dysfunction, Left/epidemiology*
;
Ventricular Function, Left


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