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Dive into the research topics where Peter M. Reardon is active.

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Featured researches published by Peter M. Reardon.


Journal of Intensive Care Medicine | 2018

Outcomes and Costs of Patients Admitted to the Intensive Care Unit Due to Accidental or Intentional Poisoning

Shannon M. Fernando; Peter M. Reardon; Ian Ball; Sasha van Katwyk; Kednapa Thavorn; Peter Tanuseputro; Erin Rosenberg; Kwadwo Kyeremanteng

Introduction: Acute poisoning represents a major cause of morbidity and mortality, and many of these patients are admitted to the intensive care unit (ICU). However, little is known regarding ICU costs of acute poisoning. Methods: This was a retrospective matched database analysis of patients admitted to the ICU with acute poisoning from 2011 to 2014. It was performed in 2 ICUs within a single tertiary care hospital system. All patient information, outcomes, and costs were stored in the hospital data warehouse. Control patients were defined as randomly selected age-, sex-, severity index-, and comorbidity index-matched nonpoisoned ICU patients (1:4 matching ratio). Results: A total of 8452 critically ill patients were admitted during the study period, of whom 277 had a diagnosis of acute poisoning. The mean age was 44.5 years, and the most common xenobiotics implicated were sedative hypnotics (20.2%), antidepressants (15.2%), and opioids (10.5%). Of these, 73.6% of poisonings were deemed intentional. In-hospital mortality of poisoned patients was 5.1%, compared to 11.1% for control patients (P < .01). The median ICU length of stay (LOS) for poisoned patients was 3.0 days, compared with 4.0 days for control patients (P < .01). The mean total cost for poisoned patients was CAD


Critical Care | 2018

Impact of nighttime Rapid Response Team activation on outcomes of hospitalized patients with acute deterioration

Shannon M. Fernando; Peter M. Reardon; Sean M. Bagshaw; Damon C. Scales; Kyle Murphy; Jennifer Shen; Peter Tanuseputro; Daren K. Heyland; Kwadwo Kyeremanteng

18 958. Control patients had a significantly higher mean total cost of CAD


Critical Care | 2018

Emergency Department disposition decisions and associated mortality and costs in ICU patients with suspected infection

Shannon M. Fernando; Bram Rochwerg; Peter M. Reardon; Kednapa Thavorn; Andrew J. E. Seely; Jeffrey J. Perry; Douglas P. Barnaby; Peter Tanuseputro; Kwadwo Kyeremanteng

60 628 (P < .01). The xenobiotics associated with the highest costs were acetaminophen (CAD


Chest | 2018

Sepsis-3 Septic Shock Criteria and Associated Mortality Among Infected Hospitalized Patients Assessed by a Rapid Response Team

Shannon M. Fernando; Peter M. Reardon; Bram Rochwerg; Nathan I. Shapiro; Donald M. Yealy; Andrew J. E. Seely; Jeffrey J. Perry; Douglas P. Barnaby; Kyle Murphy; Peter Tanuseputro; Kwadwo Kyeremanteng

18 585), toxic alcohols (CAD


Journal of Intensive Care Medicine | 2018

Dynamic Assessment of Fluid Responsiveness in Surgical ICU Patients Through Stroke Volume Variation is Associated With Decreased Length of Stay and Costs: A Systematic Review and Meta-Analysis

Chintan Dave; Jennifer Shen; Dipayan Chaudhuri; Brent Herritt; Shannon M. Fernando; Peter M. Reardon; Peter Tanuseputro; Kednapa Thavorn; David T. Neilipovitz; Erin Rosenberg; Dalibor Kubelik; Kwadwo Kyeremanteng

16 771), and opioids (CAD


Journal of Intensive Care Medicine | 2018

Contemporary Management of the High-Risk Pulmonary Embolism: The Clot Thickens

Peter M. Reardon; Krishan Yadav; Ariel Hendin; Alan Karovitch; Michael Hickey

12 967). Conclusions: In our cohort, we confirmed the long-held belief that patients admitted to the ICU with a primary diagnosis of poisoning have a lower mortality rate, ICU LOS, and overall cost per ICU admission than nonpoisoned patients. However, poisoned patients still accrue significant daily costs, with the highest costs attributed to xenobiotics with known antidotes, such as acetaminophen, toxic alcohols, and opioids.


Journal of Intensive Care Medicine | 2018

Prevalence, Risk Factors, and Clinical Consequences of Recurrent Activation of a Rapid Response Team: A Multicenter Observational Study:

Shannon M. Fernando; Peter M. Reardon; Damon C. Scales; Kyle Murphy; Peter Tanuseputro; Daren K. Heyland; Kwadwo Kyeremanteng

BackgroundRapid Response Teams (RRTs) are groups of healthcare providers that are used by many hospitals to respond to acutely deteriorating patients admitted to the wards. We sought to identify outcomes of patients assessed by RRTs outside standard working hours.MethodsWe used a prospectively collected registry from two hospitals within a single tertiary care-level hospital system between May 1, 2012, and May 31, 2016. Patient information, outcomes, and RRT activation information were stored in the hospital data warehouse. Comparisons were made between RRT activation during daytime hours (0800–1659) and nighttime hours (1700–0759). The primary outcome was in-hospital mortality, analyzed using a multivariable logistic regression model.ResultsA total of 6023 RRT activations on discrete patients were analyzed, 3367 (55.9%) of which occurred during nighttime hours. Nighttime RRT activation was associated with increased odds of mortality, as compared with daytime RRT activation (adjusted OR 1.34, 95% CI 1.26–1.40, P = 0.02). The time periods associated with the highest odds of mortality were 0600–0700 (adjusted OR 1.30, 95% CI 1.09–1.61) and 2300–2400 (adjusted OR 1.34, 95% CI 1.01–1.56). Daytime RRT activation was associated with increased odds of intensive care unit admission (adjusted OR 1.40, 95% CI 1.31–1.50, P = 0.02). Time from onset of concerning symptoms to RRT activation was shorter among patients assessed during daytime hours (P < 0.001).ConclusionsAcutely deteriorating ward patients assessed by an RRT at nighttime had a higher risk of in-hospital mortality. This work identifies important shortcomings in health service provision and quality of care outside daytime hours, highlighting an opportunity for quality improvement.


Journal of Critical Care | 2018

Factors associated with delayed rapid response team activation

Peter M. Reardon; Shannon M. Fernando; Kyle Murphy; Erin Rosenberg; Kwadwo Kyeremanteng

BackgroundFollowing emergency department (ED) assessment, patients with infection may be directly admitted to the intensive care unit (ICU) or alternatively admitted to hospital wards or sent home. Those admitted to the hospital wards or sent home may experience future deterioration necessitating ICU admission.MethodsWe used a prospectively collected registry from two hospitals within a single tertiary care hospital network between 2011 and 2014. Patient information, outcomes, and costs were stored in the hospital data warehouse. Patients were categorized into three groups: (1) admitted directly from the ED to the ICU; (2) initially admitted to the hospital wards, with ICU admission within 72xa0hours of initial presentation; or (3) sent home from the ED, with ICU admission within 72xa0hours of initial presentation. Using multivariable logistic regression, we sought to compare outcomes and total costs between groups. Total costs were evaluated using a generalized linear model.ResultsA total of 657 patients were included; of these, 338 (51.4%) were admitted directly from the ED to the ICU, 246 (37.4%) were initially admitted to the wards and then to the ICU, and 73 (11.1%) were initially sent home and then admitted to the ICU. In-hospital mortality was lowest among patients admitted directly to the ICU (29.5%), as compared with patients admitted to the ICU from wards (42.7%) or home (61.6%) (Pu2009<u20090.001). As compared with direct ICU admission, disposition to the ward was associated with an adjusted OR of 1.75 (95% CI, 1.22–2.50; Pu2009<u20090.01) for mortality, and disposition home was associated with an adjusted OR of 4.02 (95% CI, 2.32–6.98). Mean total costs were lowest among patients directly admitted to the ICU (


Critical Care Research and Practice | 2018

Characteristics, Outcomes, and Cost Patterns of High-Cost Patients in the Intensive Care Unit

Peter M. Reardon; Shannon M. Fernando; Sasha van Katwyk; Kednapa Thavorn; Daniel Kobewka; Peter Tanuseputro; Erin Rosenberg; Cynthia Wan; Brandi Vanderspank-Wright; Dalibor Kubelik; Rose Anne Devlin; Christopher A. Klinger; Kwadwo Kyeremanteng

26,748), as compared with those admitted from the wards (


Canadian Journal of Anaesthesia-journal Canadien D Anesthesie | 2018

Massive subcutaneous emphysema during bag-mask ventilation after failed intubation

Peter M. Reardon; Gregory Krolczyk

107,315) and those initially sent home (

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Peter Tanuseputro

Ottawa Hospital Research Institute

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Sasha van Katwyk

Ottawa Hospital Research Institute

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Andrew J. E. Seely

Ottawa Hospital Research Institute

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