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Dive into the research topics where Mei-Sing Ong is active.

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Featured researches published by Mei-Sing Ong.


The Joint Commission Journal on Quality and Patient Safety | 2011

A Systematic Review of Failures in Handoff Communication During Intrahospital Transfers

Mei-Sing Ong; M. BiomedE; Enrico Coiera

BACKGROUND Handoffs serve a critical function in ensuring patient care continuity during transitions of care. Studies to date have predominantly focused on intershift handoffs, with relatively little attention given to intrahospital transfers. A systematic literature review was conducted to characterize the nature of handoff failures during intrahospital transfers and to examine factors affecting handoff communication and the effectiveness of current interventions. METHODS Primary studies investigating handoff communication between care providers during intrahospital transfers were sought in the English-language literature between 1980 and February 2011. Data for study design, population characteristics, sample size, setting, intervention specifics, and relevant outcome measures were extracted. DATA SYNTHESIS Study results were summarized by the impact of communication breakdown during intrahospital transfer of patients, and the current deficiencies in the process. Results of interventions were summarized by their effect on the quality of handoff communication and patient safety. FINDINGS The initial search identified 516 individual articles, 24 of which satisfied the inclusion criteria. Some 19 were primary studies on handoff practices and deficiencies, and the remaining 5 were interventional studies. The studies were categorized according to the clinical settings involved in the intrahospital patient transfers. CONCLUSIONS There is consistent evidence on the perceived impact of communication breakdown on patient safety during intrahospital transfers. Exposure of handoffs at patient transfers presents challenges that are not experienced in intershift handoffs. The distinct needs of the specific clinical settings involved in the intrahospital patient transfer must be considered when deciding on suitable interventions.


JAMA Neurology | 2014

Population-Level Evidence for an Autoimmune Etiology of Epilepsy

Mei-Sing Ong; Isaac S. Kohane; Tianxi Cai; Mark P. Gorman; Kenneth D. Mandl

IMPORTANCE Epilepsy is a debilitating condition, often with neither a known etiology nor an effective treatment. Autoimmune mechanisms have been increasingly identified. OBJECTIVE To conduct a population-level study investigating the relationship between epilepsy and several common autoimmune diseases. DESIGN, SETTING, AND PARTICIPANTS A retrospective population-based study using claims from a nationwide employer-provided health insurance plan in the United States. Participants were beneficiaries enrolled between 1999 and 2006 (N = 2 518 034). MAIN OUTCOMES AND MEASURES We examined the relationship between epilepsy and 12 autoimmune diseases: type 1 diabetes mellitus, psoriasis, rheumatoid arthritis, Graves disease, Hashimoto thyroiditis, Crohn disease, ulcerative colitis, systemic lupus erythematosus, antiphospholipid syndrome, Sjögren syndrome, myasthenia gravis, and celiac disease. RESULTS The risk of epilepsy was significantly heightened among patients with autoimmune diseases (odds ratio, 3.8; 95% CI, 3.6-4.0; P < .001) and was especially pronounced in children (5.2; 4.1-6.5; P < .001). Elevated risk was consistently observed across all 12 autoimmune diseases. CONCLUSIONS AND RELEVANCE Epilepsy and autoimmune disease frequently co-occur; patients with either condition should undergo surveillance for the other. The potential role of autoimmunity must be given due consideration in epilepsy so that we are not overlooking a treatable cause.


Annals of Allergy Asthma & Immunology | 2014

Consequences of antibiotics and infections in infancy: bugs, drugs, and wheezing

Mei-Sing Ong; Dale T. Umetsu; Kenneth D. Mandl

BACKGROUND The prevalence of asthma has increased alarmingly in the past 2 to 3 decades. Increased antibiotic use in infancy has been suggested to limit exposure to gastrointestinal microbes and to predispose to asthma in later life. OBJECTIVE To evaluate the association between antibiotic exposure during the first year of life and the development of asthma up to the age of 7 years. METHODS A retrospective population-based study of a cohort of children enrolled in a nationwide employer-provided health insurance plan from January 1, 1999, through December 31, 2006, in the United States (n = 62,576). We evaluated the association between antibiotic exposure during the first year of life and subsequent development of 3 asthma phenotypes: transient wheezing (began and resolved before 3 years of age), late-onset asthma (began after 3 years of age), and persistent asthma (began before 3 years of age and persisted through 4-7 years of age). RESULTS Antibiotic use in the first year of life was associated with the development of transient wheezing (odds ratio [OR], 2.0; 95% confidence interval [CI], 1.9-2.2; P < .001) and persistent asthma (OR, 1.6; 95% CI, 1.5-1.7; P < .001). A dose-response effect was observed. When 5 or more antibiotic courses were received, the odds of persistent asthma doubled (OR, 1.9; 95% CI, 1.5-2.6; P < .001). There is no association between antibiotic use and late-onset asthma. CONCLUSION Antibiotic use in the first year life is associated with an increased risk of early-onset childhood asthma that began before 3 years of age. The apparent effect has a clear dose response. Heightened caution about avoiding unnecessary use of antibiotics in infants is warranted.


International Journal of Medical Informatics | 2015

Clinical safety of England's national programme for IT: A retrospective analysis of all reported safety events 2005 to 2011

Farah Magrabi; Maureen Baker; Ipsita Sinha; Mei-Sing Ong; Stuart Harrison; Michael Kidd; William B. Runciman; Enrico Coiera

OBJECTIVE To analyse patient safety events associated with Englands national programme for IT (NPfIT). METHODS Retrospective analysis of all safety events managed by a dedicated IT safety team between September 2005 and November 2011 was undertaken. Events were reviewed against an existing classification for problems associated with IT. The proportion of reported events per problem type, consequences, source of report, resolution within 24h, time of day and day of week were examined. Sub-group analyses were undertaken for events involving patient harm and those that occurred on a large scale. RESULTS Of the 850 events analysed, 68% (n=574) described potentially hazardous circumstances, 24% (n=205) had an observable impact on care delivery, 4% (n=36) were a near miss, and 3% (n=22) were associated with patient harm, including three deaths (0·35%). Eleven events did not have a noticeable consequence (1%) and two were complaints (<1%). Amongst the events 1606 separate contributing problems were identified. Of these 92% were predominately associated with technical rather than human factors. Problems involving human factors were four times as likely to result in patient harm than technical problems (25% versus 8%; OR 3·98, 95%CI 1·90-8.34). Large-scale events affecting 10 or more individuals or multiple IT systems accounted for 23% (n=191) of the sample and were significantly more likely to result in a near miss (6% versus 4%) or impact the delivery of care (39% versus 20%; p<0·001). CONCLUSION Events associated with NPfIT reinforce that the use of IT does create hazardous circumstances and can lead to patient harm or death. Large-scale patient safety events have the potential to affect many patients and clinicians, and this suggests that addressing them should be a priority for all major IT implementations.


Health Affairs | 2015

National Expenditure For False-Positive Mammograms And Breast Cancer Overdiagnoses Estimated At

Mei-Sing Ong; Kenneth D. Mandl

Populationwide mammography screening has been associated with a substantial rise in false-positive mammography findings and breast cancer overdiagnosis. However, there is a lack of current data on the associated costs in the United States. We present costs due to false-positive mammograms and breast cancer overdiagnoses among women ages 40-59, based on expenditure data from a major US health care insurance plan for 702,154 women in the years 2011-13. The average expenditures for each false-positive mammogram, invasive breast cancer, and ductal carcinoma in situ in the twelve months following diagnosis were


British Journal of Radiology | 2013

4 Billion A Year

Natalie Hannaford; Catherine Mandel; Carmel Crock; K Buckley; Farah Magrabi; Mei-Sing Ong; S Allen; Tim Schultz

852,


Quality & Safety in Health Care | 2010

Learning from incident reports in the Australian medical imaging setting: handover and communication errors

Mei-Sing Ong; Farah Magrabi; Enrico Coiera

51,837 and


Journal of the American Medical Informatics Association | 2012

Automated categorisation of clinical incident reports using statistical text classification

Mei-Sing Ong; Farah Magrabi; Enrico Coiera

12,369, respectively. This translates to a national cost of


Journal of the American Medical Informatics Association | 2013

Automated identification of extreme-risk events in clinical incident reports.

Mei-Sing Ong; Farah Magrabi; Enrico Coiera

4 billion each year. The costs associated with false-positive mammograms and breast cancer overdiagnoses appear to be much higher than previously documented. Screening has the potential to save lives. However, the economic impact of false-positive mammography results and breast cancer overdiagnoses must be considered in the debate about the appropriate populations for screening.


Journal of the American Medical Informatics Association | 2011

Syndromic surveillance for health information system failures: a feasibility study

Adam G. Dunn; Mei-Sing Ong; Johanna I. Westbrook; Farah Magrabi; Enrico Coiera; Wayne Wobcke

OBJECTIVE To determine the type and nature of incidents occurring within medical imaging settings in Australia and identify strategies that could be engaged to reduce the risk of their re-occurrence. METHODS 71 search terms, related to clinical handover and communication, were applied to 3976 incidents in the Radiology Events Register. Detailed classification and thematic analysis of a subset of incidents that involved handover or communication (n=298) were undertaken to identify the most prevalent types of error and to make recommendations about patient safety initiatives in medical imaging. RESULTS Incidents occurred most frequently during patient preparation (34%), when requesting imaging (27%) and when communicating a diagnosis (23%). Frequent problems within each of these stages of the imaging cycle included: inadequate handover of patients (41%) or unsafe or inappropriate transfer of the patient to or from medical imaging (35%); incorrect information on the request form (52%); and delayed communication of a diagnosis (36%) or communication of a wrong diagnosis (36%). CONCLUSION The handover of patients and clinical information to and from medical imaging is fraught with error, often compromising patient safety and resulting in communication of delayed or wrong diagnoses, unnecessary radiation exposure and a waste of limited resources. Corrective strategies to address safety concerns related to new information technologies, patient transfer and inadequate test result notification policies are relevant to all healthcare settings. ADVANCES IN KNOWLEDGE Handover and communication errors are prevalent in medical imaging. System-wide changes that facilitate effective communication are required.

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Kenneth D. Mandl

Boston Children's Hospital

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William B. Runciman

University of South Australia

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Graham Jones

St. Vincent's Health System

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Aurel Cami

Boston Children's Hospital

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Marc Natter

Boston Children's Hospital

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