1.Integrated care at the emergency department: an investment for better health.
Steven Hoon Chin LIM ; Colin Eng Choon ONG ; Arron Seng Hock ANG ; Khai Pin LEE ; Jean Mui Hua LEE ; Venkataraman ANANTHARAMAN
Singapore medical journal 2025;66(2):102-107
It is crucial that policy makers, healthcare providers and relevant stakeholders understand how integrated care may be improved at our emergency departments (EDs) and what benefits that would bring. The potential that exists for right-siting care of special patient groups who could be managed in an ambulatory setting with the integration of a variety of hospital-based and community-based clinical support services is tremendous. This review describes the best practice and value of integrated care at the EDs. Local evidence is cited and compared with findings from overseas. The opportunities of care transition interventions among discharged patients are outlined, including that for paediatric patients, palliative care patients and patients with chronic diseases. This review also suggests ways to move forward to meet the aim of providing holistic care at EDs through integrated care programmes, innovation and research.
Humans
;
Emergency Service, Hospital/organization & administration*
;
Delivery of Health Care, Integrated
;
Palliative Care
;
Chronic Disease
2.Low-density lipoprotein cholesterol goal attainment and mortality in ischaemic heart disease: a two-year observational study.
Ying Hui MAK ; Fionn CHUA ; Xuan Han KOH ; Vern Hsen TAN ; Zhong Hui LEE ; Audrey LAM ; Kim Leng TONG ; Colin YEO ; Weien CHOW ; Wann Jia LOH
Singapore medical journal 2025;66(3):154-162
INTRODUCTION:
Achieving low-density lipoprotein cholesterol (LDL-C) levels is key to preventing atherosclerotic cardiovascular events. However, many high-risk cardiovascular patients still experience poor LDL-C goal attainment and receive suboptimal lipid-lowering therapy (LLT) prescriptions. Herein, we evaluated LLT prescription patterns, LDL-C goal attainment and cardiovascular mortality among this population group in Singapore.
METHODS:
This prospective observational cohort study included 555 patients with ischaemic heart disease (IHD) admitted to the hospital in 2020. The LLT prescriptions, corresponding LDL-C levels and cardiovascular outcomes were assessed over a 24-month period.
RESULTS:
Most participants were male (82.3%), with 48.5% identified as Chinese. High-intensity statin prescriptions increased from 45.4% at hospital admission to 87.1% at discharge and remained stable at approximately 80% at 6, 12, and 24 months post-discharge. Combination LLT prescriptions increased from 12.3% at discharge to 33.8% by 24 months. Ezetimibe was the most commonly prescribed second-line LLT (40.8%), followed by inclisiran (1.09%) and anti-proprotein convertase subtilisin/kexin type 9 monoclonal antibody therapies (0.87%). Over 24 months, LDL-C goal attainment rates were 22.1% for LDL-C < 1.4 mmol/L and 47.2% for LDL-C < 1.8 mmol/L. Multivariable Cox proportional hazards regression indicated that achieving LDL-C < 1.8 mmol/L goal was associated with a reduction in all-cause mortality at 24 months (hazard ratio 0.53, 95% confidence interval 0.30-0.94, P = 0.030).
CONCLUSION
Treatment gaps in lipid management persist in 80% of the study population, indicating that statin monotherapy alone is insufficient to achieve LDL-C goals. Greater efforts to improve LDL-C goal attainment rates in high-risk cardiovascular patients are imperative.
Humans
;
Male
;
Cholesterol, LDL/blood*
;
Female
;
Myocardial Ischemia/drug therapy*
;
Middle Aged
;
Prospective Studies
;
Aged
;
Singapore/epidemiology*
;
Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use*
;
Ezetimibe/therapeutic use*
;
Anticholesteremic Agents/therapeutic use*
;
Treatment Outcome
3.Long-term survival and clinical implications of allogeneic stem cell transplantation in relapse/refractory lymphoma: A 20-year Singapore experience.
Wei Sheng Joshua LOKE ; Jean Rachel CATAPIA ; Chay Lee LOW ; Francesca LIM ; Jeffrey QUEK ; Hein THAN ; Yeow Tee GOH ; Yeh Ching LINN ; Colin Phipps DIONG ; Aloysius HO ; William HWANG ; Chung Cheng Jordan HWANG ; Aditi GHOSH ; Liang Pui KOH ; Lip Koon TAN ; Joanne LEE ; Li Mei Michelle POON ; Cheng Kiat Lawrence NG
Annals of the Academy of Medicine, Singapore 2024;54(1):5-16
INTRODUCTION:
Allogeneic haematopoietic stem cell transplantation (allo-HSCT) is a curative option for relapse/refractory (R/R) lymphomas that have failed autologous transplantation or for high-risk lymphomas in the upfront setting. We conducted a retrospective analysis on consecutive lymphoma patients who underwent allo-HSCT over a 20-year period (2003- 2022) at Singapore General Hospital and National University Hospital Singapore.
METHOD:
A total of 121 patients were included in the study. Median age was 41 years. Diagnoses include Hodgkin lymphoma (HL, 15%), B-cell non- Hodgkin lymphoma (B-NHL, 34%), T-cell non-Hodgkin lymphoma (T-NHL, 31%) and natural killer T-cell lymphoma (NKTL, 20%). Moreover, 27% of patients had prior auto-haematopoietic stem cell transplanta-tion (auto-HSCT), and 84% received reduced intensity conditioning (RIC). Donor types were matched sibling donor (45%), matched unrelated donor (29%), haploidentical donor (19%) and cord blood (CB, 7%).
RESULTS:
After median follow-up of 56 months, estimated 4-year progression-free survival (PFS) and overall survival (OS) for all patients were 38% and 45%, respectively. Non-relapse mortality (NRM) was 15% at day 100 and 24% at 1 year. On univariate analysis, complete remission status at transplant and RIC confers superior OS. On multivariate analysis, HL was associated with superior OS compared to NHL, whereas matched unrelated donor transplant was associated with significantly inferior OS compared to matched sibling donor.
CONCLUSION
Long-term curative durability was observed with allo-HSCT for patients with relapsed/ refractory lymphomas. This real-world data serves as a valuable historical benchmark for future studies on lymphomas in Singapore and the Asia Pacific region.
Humans
;
Singapore/epidemiology*
;
Adult
;
Male
;
Retrospective Studies
;
Female
;
Hematopoietic Stem Cell Transplantation/methods*
;
Middle Aged
;
Transplantation, Homologous
;
Young Adult
;
Transplantation Conditioning/methods*
;
Lymphoma/mortality*
;
Adolescent
;
Hodgkin Disease/mortality*
;
Aged
;
Lymphoma, B-Cell/mortality*
5.Therapeutic temperature management (TTM): post-resuscitation care for adult cardiac arrest, with recommendations from the National TTM Workgroup.
Siew Hon Benjamin LEONG ; Enoch CHAN ; Benjamin Choon Heng HO ; Colin YEO ; Sennen LEW ; Duu Wen SEWA ; Shir Lynn LIM ; Chee Wan LEE ; Pow Li CHIA ; Tien Siang Eric LIM ; Eng Kiang LEE ; Marcus Eng Hock ONG
Singapore medical journal 2017;58(7):408-410
Therapeutic temperature management (TTM) was strongly recommended by the 2015 International Liaison Committee on Resuscitation as a component of post-resuscitation care. It has been known to be effective in improving the survival rate and neurologic functional outcome of patients after cardiac arrest. In an effort to increase local adoption of TTM as a standard of post-resuscitation care, this paper discusses and makes recommendations on the treatment for local providers.
6.Thirty Years of Bone Marrow Transplantation in the Singapore General Hospital.
Colin PHIPPS ; Aloysius Yl HO ; Yeh Ching LINN ; Sathish GOPALAKRISHNAN ; Ai Leen ANG ; Jing Jing LEE ; Hong Yen NG ; Francesca Wi LIM ; Priscilla Sm GOH ; Yvonne Sm LOH ; Patrick Hc TAN ; Liang Piu KOH ; Mickey Bc KOH ; Lai Heng LEE ; Yeow Tee GOH ; Yong Wan ONG ; William Yk HWANG
Annals of the Academy of Medicine, Singapore 2016;45(7):315-317
Bone Marrow Transplantation
;
history
;
methods
;
HLA Antigens
;
immunology
;
Hematopoietic Stem Cell Transplantation
;
history
;
methods
;
History, 20th Century
;
History, 21st Century
;
Hospitals, General
;
Humans
;
Peripheral Blood Stem Cell Transplantation
;
history
;
methods
;
Singapore
;
Transplantation Conditioning
;
history
;
methods
7.The MARCOPOLO Study of Ustekinumab Utilization and Efficacy in a Real-World Setting: Treatment of Patients with Plaque Psoriasis in Asia-Pacific Countries.
Sang Woong YOUN ; Tsen Fang TSAI ; Colin THENG ; Siew Eng CHOON ; Benny E WIRYADI ; Antonio PIRES ; Weihao TAN ; Min Geol LEE
Annals of Dermatology 2016;28(2):222-231
BACKGROUND: Ustekinumab is a fully human monoclonal antibody approved for the treatment of chronic moderate-to-severe plaque psoriasis in adults. However, factors including efficacy, tolerability, ease of use, and cost burden may affect ustekinumab utilization. Noncompliance may, in turn, affect treatment response. OBJECTIVE: To evaluate ustekinumab utilization in the real-world setting in Asia-Pacific countries. METHODS: In this phase 4 observational study conducted in Indonesia, Malaysia, Singapore, Korea, and Taiwan, adults with plaque psoriasis receiving ustekinumab were followed for up to 52 weeks. Study endpoints were the proportion of all patients using ustekinumab according to label-recommended intervals and the proportion of Korean patients who achieved a psoriasis area severity index 75 response at week 16. Safety was assessed by monitoring adverse events. RESULTS: Overall, 169 patients received ustekinumab (Korea, n=102; other countries, n=67). Just over half (56.2%) of patients used ustekinumab with the label-recommended interval from baseline to week 40; the proportion was higher in Korea (73.5%) than in other countries (29.9%), probably because ustekinumab was provided without charge for Korean patients up to week 40. Noncompliance increased after week 40 in Korea and from week 28 in other Asia-Pacific countries, with cost cited as the most common reason. At week 16, 56.9% of Korean patients achieved a Psoriasis Area Severity Index 75 response. Safety results were in line with those seen in previous studies. CONCLUSION: More than half of all patients in Asia-Pacific countries used ustekinumab as per the label-recommended dose interval, but reimbursement variations between countries may have confounded overall results.
Adult
;
Compliance
;
Humans
;
Indonesia
;
Korea
;
Malaysia
;
Observational Study
;
Psoriasis*
;
Singapore
;
Taiwan
;
Ustekinumab
8.The MARCOPOLO Study of Ustekinumab Utilization and Efficacy in a Real-World Setting: Treatment of Patients with Plaque Psoriasis in Asia-Pacific Countries.
Sang Woong YOUN ; Tsen Fang TSAI ; Colin THENG ; Siew Eng CHOON ; Benny E WIRYADI ; Antonio PIRES ; Weihao TAN ; Min Geol LEE
Annals of Dermatology 2016;28(2):222-231
BACKGROUND: Ustekinumab is a fully human monoclonal antibody approved for the treatment of chronic moderate-to-severe plaque psoriasis in adults. However, factors including efficacy, tolerability, ease of use, and cost burden may affect ustekinumab utilization. Noncompliance may, in turn, affect treatment response. OBJECTIVE: To evaluate ustekinumab utilization in the real-world setting in Asia-Pacific countries. METHODS: In this phase 4 observational study conducted in Indonesia, Malaysia, Singapore, Korea, and Taiwan, adults with plaque psoriasis receiving ustekinumab were followed for up to 52 weeks. Study endpoints were the proportion of all patients using ustekinumab according to label-recommended intervals and the proportion of Korean patients who achieved a psoriasis area severity index 75 response at week 16. Safety was assessed by monitoring adverse events. RESULTS: Overall, 169 patients received ustekinumab (Korea, n=102; other countries, n=67). Just over half (56.2%) of patients used ustekinumab with the label-recommended interval from baseline to week 40; the proportion was higher in Korea (73.5%) than in other countries (29.9%), probably because ustekinumab was provided without charge for Korean patients up to week 40. Noncompliance increased after week 40 in Korea and from week 28 in other Asia-Pacific countries, with cost cited as the most common reason. At week 16, 56.9% of Korean patients achieved a Psoriasis Area Severity Index 75 response. Safety results were in line with those seen in previous studies. CONCLUSION: More than half of all patients in Asia-Pacific countries used ustekinumab as per the label-recommended dose interval, but reimbursement variations between countries may have confounded overall results.
Adult
;
Compliance
;
Humans
;
Indonesia
;
Korea
;
Malaysia
;
Observational Study
;
Psoriasis*
;
Singapore
;
Taiwan
;
Ustekinumab
9.Condom and oral contraceptive use and risk of cervical intraepithelial neoplasia in Australian women.
Hui Jun CHIH ; Andy H LEE ; Linda COLVILLE ; Daniel XU ; Colin W BINNS
Journal of Gynecologic Oncology 2014;25(3):183-187
OBJECTIVE: To assess the association between condom use and oral contraceptive consumption and the risk of cervical intraepithelial neoplasia (CIN). METHODS: A cross-sectional study was conducted in Perth clinics. A total of 348 women responded to the structured questionnaire. Information sought included demographic and lifestyle characteristics such as the use of condom for contraception, consumption of oral contraceptive, and duration of oral contraceptive usage. Crude and adjusted odds ratio (OR) and associated 95% confidence interval (CI) were calculated using unconditional logistic regression models and reported as estimates of the relative risk. RESULTS: The prevalence of CIN was found to be 15.8%. The duration of oral contraceptive consumption among women with abnormal Papanicolaou (Pap) smear result indicating CIN was significantly shorter than those without abnormal Pap smear result (mean+/-SD, 5.6+/-5.2 years vs. 8.2+/-7.6 years; p=0.002). Comparing to < or =3 years usage, prolonged consumption of oral contraceptive for > or =10 years reduced the risk of CIN (p=0.012). However, use of condom for contraception might not be associated with a reduced risk of CIN after accounting for the effects of confounding factors (adjusted OR, 0.52; 95% CI, 0.05 to 5.11; p=0.577). CONCLUSION: Use of oral contraceptives, but not condoms, for contraception appeared to be inversely associated with CIN. Prolonged use of oral contraceptive demonstrated its benefits of reducing the risk of CIN.
Adult
;
Cervical Intraepithelial Neoplasia/epidemiology/*prevention & control
;
Condoms/*utilization
;
Contraception Behavior/*statistics & numerical data
;
Contraceptives, Oral/*administration & dosage
;
Cross-Sectional Studies
;
Drug Administration Schedule
;
Drug Utilization/statistics & numerical data
;
Female
;
Humans
;
Middle Aged
;
Prevalence
;
Risk Assessment/methods
;
Socioeconomic Factors
;
Western Australia/epidemiology
10.Reproductive factors for ovarian cancer in southern Chinese women.
Maria PASALICH ; Dada SU ; Colin W BINNS ; Andy H LEE
Journal of Gynecologic Oncology 2013;24(2):135-140
OBJECTIVE: To investigate the association between reproductive factors and the risk of ovarian cancer among southern Chinese women. METHODS: A hospital-based case-control study was undertaken in Guangzhou, Guangdong Province, between 2006 and 2008. A structured questionnaire was used to obtain information on parity, oral contraceptive use and other reproductive factors in a sample of 500 incident ovarian cancer patients and 500 controls (mean age, 59 years). Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using unconditional logistic regression models. RESULTS: High parity was inversely associated with ovarian cancer, with an adjusted OR 0.43 (95% CI, 0.30 to 0.62) for women who had given birth to 3 or more children compared to women who had given no more than one birth. Ever use of oral contraceptives was also protective against ovarian cancer; adjusted OR 0.56 (95% CI, 0.40 to 0.78). No association was found for hormone replacement therapy, menopausal status, hysterectomy and family history of ovarian and/or breast cancer. CONCLUSION: High parity and oral contraceptive use are associated with a lower risk of ovarian cancer in southern Chinese women.
Asian Continental Ancestry Group
;
Breast
;
Case-Control Studies
;
Child
;
China
;
Contraceptives, Oral
;
Female
;
Hormone Replacement Therapy
;
Humans
;
Hysterectomy
;
Logistic Models
;
Odds Ratio
;
Ovarian Neoplasms
;
Parity
;
Parturition
;
Surveys and Questionnaires

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