Marcus Eng Hock Ong

Summary

Affiliation: Singapore General Hospital
Country: Singapore

Publications

  1. ncbi request reprint Survival outcomes with the introduction of intravenous epinephrine in the management of out-of-hospital cardiac arrest
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore City, Singapore
    Ann Emerg Med 50:635-42. 2007
  2. ncbi request reprint 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
  3. doi request reprint National population based survey on the prevalence of first aid, cardiopulmonary resuscitation and automated external defibrillator skills in Singapore
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore Office of Clinical Sciences, Duke NUS Graduate Medical School, Singapore Electronic address
    Resuscitation 84:1633-6. 2013
  4. doi request reprint Heart rate variability risk score for prediction of acute cardiac complications in ED patients with chest pain
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608
    Am J Emerg Med 31:1201-7. 2013
  5. doi request reprint Improving the quality of cardiopulmonary resuscitation by training dedicated cardiac arrest teams incorporating a mechanical load-distributing device at the emergency department
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
    Resuscitation 84:508-14. 2013
  6. doi request reprint Comparison of emergency medical services systems in the pan-Asian resuscitation outcomes study countries: Report from a literature review and survey
    Marcus E H Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore
    Emerg Med Australas 25:55-63. 2013
  7. doi request reprint Nationwide improvement of door-to-balloon times in patients with acute ST-segment elevation myocardial infarction requiring primary percutaneous coronary intervention with out-of-hospital 12-lead ECG recording and transmission
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore
    Ann Emerg Med 61:339-47. 2013
  8. doi request reprint A randomised, double-blind, multi-centre trial comparing vasopressin and adrenaline in patients with cardiac arrest presenting to or in the Emergency Department
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
    Resuscitation 83:953-60. 2012
  9. pmc Mechanical CPR devices compared to manual CPR during out-of-hospital cardiac arrest and ambulance transport: a systematic review
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
    Scand J Trauma Resusc Emerg Med 20:39. 2012
  10. pmc Comparison of supraglottic airway versus endotracheal intubation for the pre-hospital treatment of out-of-hospital cardiac arrest
    Kentaro Kajino
    Emergency and Critical Care Medical Center, Osaka Police Hospital, 10 31 Kitayama cho Tennouji ku, Osaka 543 0035, Japan
    Crit Care 15:R236. 2011

Collaborators

Detail Information

Publications49

  1. ncbi request reprint Survival outcomes with the introduction of intravenous epinephrine in the management of out-of-hospital cardiac arrest
    Marcus 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...
  2. ncbi request reprint 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...
  3. doi request reprint National population based survey on the prevalence of first aid, cardiopulmonary resuscitation and automated external defibrillator skills in Singapore
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore Office of Clinical Sciences, Duke NUS Graduate Medical School, Singapore Electronic address
    Resuscitation 84:1633-6. 2013
    ..This study aimed to assess knowledge, attitudes and practices among Singapore residents towards life-saving skills and providing emergency assistance in the community using a population representative sample...
  4. doi request reprint Heart rate variability risk score for prediction of acute cardiac complications in ED patients with chest pain
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608
    Am J Emerg Med 31:1201-7. 2013
    ....
  5. doi request reprint Improving the quality of cardiopulmonary resuscitation by training dedicated cardiac arrest teams incorporating a mechanical load-distributing device at the emergency department
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
    Resuscitation 84:508-14. 2013
    ....
  6. doi request reprint Comparison of emergency medical services systems in the pan-Asian resuscitation outcomes study countries: Report from a literature review and survey
    Marcus E H Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore
    Emerg Med Australas 25:55-63. 2013
    ..We aimed to compare the EMS systems of eight Asia-Pacific countries/regions as part of the Pan Asian Resuscitation Outcomes Study (PAROS), to provide a basis for future comparative studies across systems of care...
  7. doi request reprint Nationwide improvement of door-to-balloon times in patients with acute ST-segment elevation myocardial infarction requiring primary percutaneous coronary intervention with out-of-hospital 12-lead ECG recording and transmission
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore
    Ann Emerg Med 61:339-47. 2013
    ..We aim to reduce door-to-balloon time for STEMI patients requiring primary percutaneous coronary intervention by adoption of out-of-hospital 12-lead ECG transmission by Singapore's national ambulance service...
  8. doi request reprint A randomised, double-blind, multi-centre trial comparing vasopressin and adrenaline in patients with cardiac arrest presenting to or in the Emergency Department
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
    Resuscitation 83:953-60. 2012
    ..To compare vasopressin and adrenaline in the treatment of patients with cardiac arrest presenting to or in the Emergency Department (ED)...
  9. pmc Mechanical CPR devices compared to manual CPR during out-of-hospital cardiac arrest and ambulance transport: a systematic review
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
    Scand J Trauma Resusc Emerg Med 20:39. 2012
    ..g. Quality of CPR, Return Of Spontaneous Circulation, Survival)"...
  10. pmc Comparison of supraglottic airway versus endotracheal intubation for the pre-hospital treatment of out-of-hospital cardiac arrest
    Kentaro Kajino
    Emergency and Critical Care Medical Center, Osaka Police Hospital, 10 31 Kitayama cho Tennouji ku, Osaka 543 0035, Japan
    Crit Care 15:R236. 2011
    ..Despite traditional emphasis on airway management during cardiac arrest, its impact on survival from OHCA and time dependent effectiveness remains unclear...
  11. ncbi request reprint Proposal for establishment of a National Sudden Cardiac Arrest registry
    E 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...
  12. ncbi request reprint Improving the quality of CPR in the community
    E H M Ong
    Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608
    Singapore Med J 52:586-91. 2011
    ....
  13. doi request reprint The use of antiarrhythmic drugs for adult cardiac arrest: a systematic review
    Marcus 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...
  14. doi request reprint Spatial variation and geographic-demographic determinants of out-of-hospital cardiac arrests in the city-state of Singapore
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, Singapore
    Ann Emerg Med 58:343-51. 2011
    ....
  15. doi request reprint Reducing ambulance response times using geospatial-time analysis of ambulance deployment
    Marcus 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...
  16. doi request reprint Pan-Asian Resuscitation Outcomes Study (PAROS): rationale, methodology, and implementation
    Marcus 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...
  17. doi request reprint Cardiopulmonary resuscitation interruptions with use of a load-distributing band device during emergency department cardiac arrest
    Marcus 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...
  18. doi request reprint Validating the ABCD(2) Score for predicting stroke risk after transient ischemic attack in the ED
    Marcus Eng Hock Ong
    Department of Emergency Medicine, Singapore General Hospital, 169608, Singapore
    Am J Emerg Med 28:44-8. 2010
    ....
  19. doi request reprint Reducing blood sample hemolysis at a tertiary hospital emergency department
    Marcus 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...
  20. ncbi request reprint 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...
  21. ncbi request reprint An observational, prospective study to determine the ease of vascular access in adults using a novel intraosseous access device
    Marcus 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...
  22. ncbi request reprint Comparing pre-hospital clinical diagnosis of pediatric out-of-hospital cardiac arrest with etiology by coroner's diagnosis
    Marcus 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...
  23. doi request reprint 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...
  24. doi request reprint Comparison of chest compression only and standard cardiopulmonary resuscitation for out-of-hospital cardiac arrest in Singapore
    Marcus 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...
  25. doi request reprint An observational, prospective study exploring the use of heart rate variability as a predictor of clinical outcomes in pre-hospital ambulance patients
    Marcus 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...
  26. ncbi request reprint Comparing attitudes of the public and medical staff towards witnessed resuscitation in an Asian population
    Marcus 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...
  27. ncbi request reprint Observational study to determine factors associated with blood sample haemolysis in the emergency department
    Marcus 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...
  28. doi request reprint An observational, prospective study comparing tibial and humeral intraosseous access using the EZ-IO
    Marcus 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...
  29. doi request reprint Using demand analysis and system status management for predicting ED attendances and rostering
    Marcus 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...
  30. ncbi request reprint Comparison of termination-of-resuscitation guidelines for out-of-hospital cardiac arrest in Singapore EMS
    Marcus 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...
  31. ncbi request reprint Out-of-hospital cardiac arrests occurring in primary health care facilities in Singapore
    Marcus 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...
  32. doi request reprint Prehospital delay in patients presenting with acute ST-elevation myocardial infarction
    Choon Chiet Hong
    Yong Loo Lin School of Medicine, National University of Singapore, Singapore General Hospital, Singapore
    Eur J Emerg Med 18:268-71. 2011
    ..A large proportion of patients experienced delay in seeking medical care after the onset of acute coronary symptoms. Self-transport was associated with delay...
  33. ncbi request reprint Implications for public access defibrillation placement by non-traumatic out-of-hospital cardiac arrest occurrence in Singapore
    Nur Diana Zakaria
    Yong Loo Lin School of Medicine, National University Health System, Singapore
    Emerg Med Australas 26:229-36. 2014
    ..We aimed to determine the incidence rate of OHCA for different location categories in Singapore...
  34. ncbi request reprint Knowledge of signs and symptoms of heart attack and stroke among Singapore residents
    Joy Li Juan Quah
    Yong Loo Lin School of Medicine, National University of Singapore, 10 Medical Drive, Singapore 117597
    Biomed Res Int 2014:572425. 2014
    ..To determine the level of knowledge of signs and symptoms of heart attack and stroke in Singapore resident population, in comparison to the global community...
  35. doi request reprint A randomized controlled trial comparing minichest tube and needle aspiration in outpatient management of primary spontaneous pneumothorax
    Khoy Kheng Ho
    Department of Emergency Medicine, Alexandra Hospital, Singapore, Singapore
    Am J Emerg Med 29:1152-7. 2011
    ....
  36. ncbi request reprint Resuscitation of out-of-hospital cardiac arrest by Asian primary health-care physicians
    Marcus 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...
  37. ncbi request reprint Asian medical staff attitudes towards witnessed resuscitation
    Marcus 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...
  38. ncbi request reprint Cost-effectiveness of hair apposition technique compared with standard suturing in scalp lacerations
    Marcus 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...
  39. ncbi request reprint Etiology of pediatric out-of-hospital cardiac arrest by coroner's diagnosis
    Marcus 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...
  40. ncbi request reprint Comparison of termination-of-resuscitation guidelines for basic life support: defibrillator providers in out-of-hospital cardiac arrest
    Marcus 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...
  41. doi request reprint How accurate are vital signs in predicting clinical outcomes in critically ill emergency department patients
    Weili Hong
    Yong Loo Lin School of Medicine, National University Health System, Singapore
    Eur J Emerg Med 20:27-32. 2013
    ....
  42. ncbi request reprint Spontaneous pneumothorax outcome study (SPOT phase I): a 2-year review
    Marcus 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...
  43. doi request reprint EZ-IO in the ED: an observational, prospective study comparing flow rates with proximal and distal tibia intraosseous access in adults
    Boon Kiat Kenneth Tan
    Department of Emergency Medicine, Singapore General Hospital, Singapore, 169608 Singapore
    Am J Emerg Med 30:1602-6. 2012
    ..Intraosseous (IO) access is an important alternative to conventional intravenous access when intravenous access is difficult...
  44. pmc Molecular epidemiology of Mycobacterium tuberculosis complex in Singapore, 2006-2012
    Leo Kang Yang Lim
    Singapore Tuberculosis Elimination Programme, Tan Tock Seng Hospital, Singapore, Singapore
    PLoS ONE 8:e84487. 2013
    ..We attempted to determine the molecular epidemiology of Mycobacterium tuberculosis complex (MTC) isolates locally, identifying major circulating genotypes and obtaining a glimpse of transmission dynamics...
  45. ncbi request reprint An eight year review of exercise-related cardiac arrests
    Si 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...
  46. ncbi request reprint Use of an automated, load-distributing band chest compression device for out-of-hospital cardiac arrest resuscitation
    Marcus Eng Hock Ong
    Department of Epidemiology and Community Health, Virginia Commonwealth University, Richmond, USA
    JAMA 295:2629-37. 2006
    ..Only 1% to 8% of adults with out-of-hospital cardiac arrest survive to hospital discharge...