Research Topics
| E H OngSummaryAffiliation: Singapore General Hospital Country: Singapore Publications
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Detail Information
Publications
Survival outcomes with the introduction of intravenous epinephrine in the management of out-of-hospital cardiac arrestMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore City, Singapore
Ann Emerg Med 50:635-42. 2007..We seek to assess the effect of introducing intravenous epinephrine on the survival outcomes of out-of-hospital cardiac arrest patients in an emergency medical services (EMS) system that previously did not use intravenous medications...
An observational study describing the geographic-time distribution of cardiac arrests in Singapore: what is the utility of geographic information systems for planning public access defibrillation? (PADS Phase I)Marcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore
Resuscitation 76:388-96. 2008..Public access defibrillation (PAD) has shown potential to increase cardiac arrest survival rates...
Proposal for establishment of a National Sudden Cardiac Arrest registryE H M Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608
Singapore Med J 52:631-3. 2011..It would also aid in planning for deployment of resources, interventions and ongoing efforts to improve Singapore's EMS...
Observational study to determine factors associated with blood sample haemolysis in the emergency departmentMarcus E H Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Ann Acad Med Singapore 37:745-8. 2008..It leads to inaccurate blood results and has cost implications as blood samples very often have to be retaken. The purpose of our study was to determine which factors in blood sampling were associated with higher rates of haemolysis...
An observational, prospective study comparing tibial and humeral intraosseous access using the EZ-IOMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, and Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 169608, Singapore
Am J Emerg Med 27:8-15. 2009..Intraosseous (IO) access is an alternative to conventional intravenous access. The proximal tibia and proximal humerus have been proposed as suitable sites for IO access...
Using demand analysis and system status management for predicting ED attendances and rosteringMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, 169608 Singapore
Am J Emerg Med 27:16-22. 2009..It has been observed that emergency department (ED) attendances are not random events but rather have definite time patterns and trends that can be observed historically...
An observational, prospective study to determine the ease of vascular access in adults using a novel intraosseous access deviceMarcus E H Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Ann Acad Med Singapore 38:121-4. 2009..Intraosseous access is an alternative to conventional intravenous access when access is difficult or impossible in the adult population. The EZ-IO is a novel intraosseous access device designed for use in adults, utilising a powered driver...
Geographic-time distribution of ambulance calls in Singapore: utility of geographic information system in ambulance deployment (CARE 3)Marcus E H Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Ann Acad Med Singapore 38:184-91. 2009..This will facilitate a Systems Status Plan for the deployment of ambulances based on the most cost effective deployment strategy...
Reducing blood sample hemolysis at a tertiary hospital emergency departmentMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608
Am J Med 122:1054.e1-6. 2009..To determine the causes for sample hemolysis and measure the effect of an intervention to reduce sample hemolysis in the Emergency Department of a large hospital...
Validating the ABCD(2) Score for predicting stroke risk after transient ischemic attack in the EDMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, 169608, Singapore
Am J Emerg Med 28:44-8. 2010....
Cardiopulmonary resuscitation interruptions with use of a load-distributing band device during emergency department cardiac arrestMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore
Ann Emerg Med 56:233-41. 2010..Our primary aim is to measure no-flow time and no-flow ratio before and after an emergency department (ED) switched from manual to a load-distributing band mechanical cardiopulmonary resuscitation (CPR) device...
Reducing ambulance response times using geospatial-time analysis of ambulance deploymentMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Acad Emerg Med 17:951-7. 2010..This study aimed to determine if a deployment strategy based on geospatial-time analysis is able to reduce ambulance response times for out-of-hospital cardiac arrests (OOHCA) in an urban emergency medical services (EMS) system...
Spatial variation and geographic-demographic determinants of out-of-hospital cardiac arrests in the city-state of SingaporeMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Ann Emerg Med 58:343-51. 2011....
The use of antiarrhythmic drugs for adult cardiac arrest: a systematic reviewMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
Resuscitation 82:665-70. 2011..However, data supporting their use is limited and is the focus of this comprehensive review...
Pan-Asian Resuscitation Outcomes Study (PAROS): rationale, methodology, and implementationMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Acad Emerg Med 18:890-7. 2011..The model can be applied across similar resource-limited settings...
Improving the quality of CPR in the communityE H M Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608
Singapore Med J 52:586-91. 2011....
An observational, prospective study exploring the use of heart rate variability as a predictor of clinical outcomes in pre-hospital ambulance patientsMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Resuscitation 78:289-97. 2008..We also implemented an automated pre-analysis signal processing algorithm and multiple principal component analysis (PCA) for outcomes...
Comparison of chest compression only and standard cardiopulmonary resuscitation for out-of-hospital cardiac arrest in SingaporeMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
Resuscitation 78:119-26. 2008..We aim to compare the outcomes of cardiac arrest patients in the cardiac arrest and resuscitation epidemiology study who either received CC-CPR, standard CPR or no bystander CPR...
Hair apposition technique for scalp laceration repair: a randomized controlled trial comparing physicians and nurses (HAT 2 study)Marcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore 169608, Singapore
Am J Emerg Med 26:433-8. 2008..We aimed to compare the effectiveness, complications, and benefits of HAT performed by nurses or doctors in a randomized, prospective trial...
Comparison of termination-of-resuscitation guidelines for out-of-hospital cardiac arrest in Singapore EMSMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
Resuscitation 75:244-51. 2007..Termination of resuscitation (TOR) in the field for out-of-hospital cardiac arrest (OHCA) can reduce unnecessary transport to hospital and increase availability of resources for other patients...
Comparing attitudes of the public and medical staff towards witnessed resuscitation in an Asian populationMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
Resuscitation 73:103-8. 2007..To compare the attitudes of the public attending at a local Emergency Department and the medical staff towards witnessed resuscitation...
Comparing pre-hospital clinical diagnosis of pediatric out-of-hospital cardiac arrest with etiology by coroner's diagnosisMarcus E H Ong
Department of Emergency Medicine, University of Ottawa, Canada
Resuscitation 72:26-34. 2007..We aimed to compare the etiology of pediatric OHCA by pre-hospital clinical diagnosis with etiology by coroner's diagnosis and autopsy...
Cost-effectiveness of hair apposition technique compared with standard suturing in scalp lacerationsMarcus E H Ong
Department of Emergency Medicine, Singapore General Hospital, Singapore
Ann Emerg Med 46:237-42. 2005..We found the hair apposition technique to be a better technique for closing suitable scalp lacerations. In this study, we aim to compare the cost-effectiveness of the hair apposition technique and standard suturing...
Resuscitation of out-of-hospital cardiac arrest by Asian primary health-care physiciansMarcus E H Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
Resuscitation 65:191-5. 2005..To assess the experience, knowledge and attitudes of local primary health-care doctors towards resuscitation in out-of-hospital cardiac arrest...
Etiology of pediatric out-of-hospital cardiac arrest by coroner's diagnosisMarcus E H Ong
Department of Emergency Medicine, University of Ottawa, Canada
Resuscitation 68:335-42. 2006..To determine etiology of pediatric OHCA in a population-based sample from autopsy and coroner's diagnosis...
Comparison of termination-of-resuscitation guidelines for basic life support: defibrillator providers in out-of-hospital cardiac arrestMarcus E H Ong
Department of Emergency Medicine, University of Ottawa, Ottawa, Ontario, Canada
Ann Emerg Med 47:337-43. 2006..We compare the performance of 3 termination-of-resuscitation guidelines for basic life support-defibrillator (BLS) providers when applied to cardiac arrest patients in the Ontario Prehospital Advanced Life Support study...
Asian medical staff attitudes towards witnessed resuscitationMarcus E H Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
Resuscitation 60:45-50. 2004..To assess and compare local Emergency Department medical and nursing staff attitudes towards witnessed resuscitation...
Out-of-hospital cardiac arrests occurring in primary health care facilities in SingaporeMarcus Eng Hock Ong
Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
Resuscitation 74:38-43. 2007..To study out-of-hospital cardiac arrests (OHCA) occurring in primary healthcare facilities (HCF) in Singapore and to compare these with arrests occurring in the community...
Spontaneous pneumothorax outcome study (SPOT phase I): a 2-year reviewMarcus Eng Hock Ong
Departments of Emergency Medicine, Singapore General Hospital, Singapore
Eur J Emerg Med 11:89-94. 2004..We aim to describe the incidence of spontaneous pneumothorax presenting to the Emergency Department, the treatment given and the outcomes of treatment...
An eight year review of exercise-related cardiac arrestsSi Oon Cheah
Department of Emergency Medicine, Singapore General Hospital, Singapore
Ann Acad Med Singapore 39:542-6. 2010..This study aims to identify the characteristics of exercise-related cardiac arrest in the study population and estimate the overall survival rate...
Use of an automated, load-distributing band chest compression device for out-of-hospital cardiac arrest resuscitationMarcus Eng Hock Ong
Department of Epidemiology and Community Health, Virginia Commonwealth University, Richmond, USA
JAMA 295:2629-37. 2006..CONCLUSION: Compared with resuscitation using manual CPR, a resuscitation strategy using LDB-CPR on EMS ambulances is associated with improved survival to hospital discharge in adults with out-of-hospital nontraumatic cardiac arrest...
