scholarly journals 999Impact of Heatwaves on use of health services (GP and Emergency department visits)

2021 ◽  
Vol 50 (Supplement_1) ◽  
Author(s):  
Blesson Varghese ◽  
Matt Beaty ◽  
Peng Bi ◽  
John Nairn
Keyword(s):  
Emergency Department ◽  
Health Services ◽  
Warm Season ◽  
Emergency Department Visits ◽  
Volume Depletion ◽  
Mortality And Morbidity ◽  
Low Intensity ◽  
Excess Heat Factor ◽  
Ed Visits ◽  
The Impact

Abstract Background Heatwaves are associated with increases in mortality and morbidity (mostly hospitalisations). However, evidence regarding heatwave impacts on the use of frontline health-services such as general practitioner (GP) consultations and emergency department (ED) services is limited. This study quantified the impact of heatwaves on the use of GP and ED services in Adelaide. Methods Data on GP services (2011-2016) from the Medicare Benefits Schedule and ED visits (2013-2018) were obtained from the Australian Bureau of Statistics and the Department of Health, respectively. Heatwaves were defined using Excess Heat Factor. Using time-stratified case-crossover models, we modelled heatwave-severity (low, severe/extreme) against the use of GP and ED services in the warm-season (October-March). Effect estimates are reported as relative risks (RRs). Results Total GP visits decreased during low-intensity heatwaves and increased during severe/extreme heatwaves (RR 1.14; 95%CI: 1.13-1.15). The highest increases during severe/extreme heatwaves were observed for respiratory (RR 1.36; 95%CI: 1.27-1.45) and psychiatric services. While ED visits decreased overall during low-intensity and severe/extreme heatwaves, those due to heat-light disorders (RR 4.23; 95%CI: 2.98-6.00), volume depletion, and respiratory diseases increased during severe/extreme heatwaves. Conclusions There were significant increases in the use of GP and specific ED services during heatwaves in Adelaide. Further research is needed to identify the intrinsic and extrinsic vulnerability factors contributing to these increases in Adelaide and other Australian cities. Key messages Impacts of heatwaves extend beyond mortality to include frontline health-services (GP/EDs) that are already challenged. Evidence presented may assist policymakers for resource allocation and healthcare workforce capacity building.

scholarly journals Interrupted time series design to evaluate ICD-9-CM to ICD-10-CM coding changes on trends in Colorado emergency department visits related to traumatic brain injury

2021 ◽  
Vol 8 (1) ◽  
Author(s):  
Lauren Alexis De Crescenzo ◽  
Barbara Alison Gabella ◽  
Jewell Johnson
Keyword(s):  
Public Health ◽  
Traumatic Brain Injury ◽  
Emergency Department ◽  
Brain Injury ◽  
Interrupted Time Series ◽  
Emergency Department Visits ◽  
Control And Prevention ◽  
Icd 10 ◽  
Ed Visits ◽  
The Impact

Abstract Background The transition in 2015 to the Tenth Revision of the International Classification of Disease, Clinical Modification (ICD-10-CM) in the US led the Centers for Disease Control and Prevention (CDC) to propose a surveillance definition of traumatic brain injury (TBI) utilizing ICD-10-CM codes. The CDC’s proposed surveillance definition excludes “unspecified injury of the head,” previously included in the ICD-9-CM TBI surveillance definition. The study purpose was to evaluate the impact of the TBI surveillance definition change on monthly rates of TBI-related emergency department (ED) visits in Colorado from 2012 to 2017. Results The monthly rate of TBI-related ED visits was 55.6 visits per 100,000 persons in January 2012. This rate in the transition month to ICD-10-CM (October 2015) decreased by 41 visits per 100,000 persons (p-value < 0.0001), compared to September 2015, and remained low through December 2017, due to the exclusion of “unspecified injury of head” (ICD-10-CM code S09.90) in the proposed TBI definition. The average increase in the rate was 0.33 visits per month (p < 0.01) prior to October 2015, and 0.04 visits after. When S09.90 was included in the model, the monthly TBI rate in Colorado remained smooth from ICD-9-CM to ICD-10-CM and the transition was no longer significant (p = 0.97). Conclusion The reduction in the monthly TBI-related ED visit rate resulted from the CDC TBI surveillance definition excluding unspecified head injury, not necessarily the coding transition itself. Public health practitioners should be aware that the definition change could lead to a drastic reduction in the magnitude and trend of TBI-related ED visits, which could affect decisions regarding the allocation of TBI resources. This study highlights a challenge in creating a standardized set of TBI ICD-10-CM codes for public health surveillance that provides comparable yet clinically relevant estimates that span the ICD transition.

scholarly journals P035: Impact of EMS direct referral to community care on emergency department utilization

CJEM ◽  
2019 ◽  
Vol 21 (S1) ◽  
pp. S75
Author(s):  
A. Dukelow ◽  
M. Lewell ◽  
J. Loosley ◽  
S. Pancino ◽  
K. Van Aarsen
Keyword(s):  
Emergency Department ◽  
Home Care ◽  
Community Care ◽  
Home Care Services ◽  
Emergency Department Visits ◽  
Emergency Department Utilization ◽  
Care Services ◽  
Significant Difference ◽  
Ed Visits ◽  
The Impact

Introduction: The Community Referral by Emergency Medical Services (CREMS) program was implemented in January 2015 in Southwestern Ontario. The program allows Paramedics interacting with a patient to directly refer those in need of home care support to their local Community Care Access Centre (CCAC) for needs assessment. If indicated, subsequent referrals are made to specific services (e.g. nursing, physiotherapy and geriatrics) by CCAC. Ideally, CREMS connects patients with appropriate, timely care, supporting individual needs. Previous literature has indicated CREMS results in an increase of home care services provided to patients. Methods: The primary objective of this project is to evaluate the impact of the CREMS program on Emergency Department utilization. Data for all CCAC referrals from London-Middlesex EMS was collected for a thirteen month period (February 2015-February 2016). For all patients receiving a new or increased service from CCAC the number of Emergency Department visits 2 years before referral and 2 years after referral were calculated. A related samples Wilcoxon Signed Rank Test was performed to examine the difference in ED visits pre and post referral to CCAC. Results: There were 213 individuals who received a new or increased service during the study timeframe. Median [IQR] patient age was 77 [70-85.5]. 113/213 (53%) of patients were female. The majority of patients 135/213 (63.4%) were a new referral to CCAC. The median [IQR] number of hospital visits before referral was 3 [1-5] and after referral was 2 [0-4]. There was no significant difference in the overall number of ED visits before versus after referral (955 vs 756 visits, p = 0.051). Conclusion: Community based care can improve patient experience and health outcomes. Paramedics are in a unique position to assess patients in their home to determine who might benefit from home care services. CREMS referrals for this patient group showed a trend towards decreased ED visits after referral but the trend was not statistically significant.

scholarly journals The impact of COVID-19 on hospital admissions and emergency department visits: A population-based study

PLoS ONE ◽  
2021 ◽  
Vol 16 (6) ◽  
pp. e0252441
Author(s):  
Elissa Rennert-May ◽  
Jenine Leal ◽  
Nguyen Xuan Thanh ◽  
Eddy Lang ◽  
Shawn Dowling ◽  
...  
Keyword(s):  
Public Health ◽  
Emergency Department ◽  
Hospital Admissions ◽  
Population Based ◽  
Emergency Department Visits ◽  
System Capacity ◽  
Population Based Study ◽  
Health Measures ◽  
Ed Visits ◽  
The Impact

Background As a result of the novel coronavirus disease 2019 (COVID-19), there have been widespread changes in healthcare access. We conducted a retrospective population-based study in Alberta, Canada (population 4.4 million), where there have been approximately 1550 hospital admissions for COVID-19, to determine the impact of COVID-19 on hospital admissions and emergency department (ED visits), following initiation of a public health emergency act on March 15, 2020. Methods We used multivariable negative binomial regression models to compare daily numbers of medical/surgical hospital admissions via the ED between March 16-September 23, 2019 (pre COVID-19) and March 16-September 23, 2020 (post COVID-19 public health measures). We compared the most frequent diagnoses for hospital admissions pre/post COVID-19 public health measures. A similar analysis was completed for numbers of daily ED visits for any reason with a particular focus on ambulatory care sensitive conditions (ACSC). Findings There was a significant reduction in both daily medical (incident rate ratio (IRR) 0.86, p<0.001) and surgical (IRR 0.82, p<0.001) admissions through the ED in Alberta post COVID-19 public health measures. There was a significant decline in daily ED visits (IRR 0.65, p<0.001) including ACSC (IRR 0.75, p<0.001). The most common medical/surgical diagnoses for hospital admissions did not vary substantially pre and post COVID-19 public health measures, though there was a significant reduction in admissions for chronic obstructive pulmonary disease and a significant increase in admissions for mental and behavioral disorders due to use of alcohol. Conclusions Despite a relatively low volume of COVID-19 hospital admissions in Alberta, there was an extensive impact on our healthcare system with fewer admissions to hospital and ED visits. This work generates hypotheses around causes for reduced hospital admissions and ED visits which warrant further investigation. As most publicly funded health systems struggle with health-system capacity routinely, understanding how these reductions can be safely sustained will be critical.

scholarly journals LO67: Alcohol-related emergency department visits by youth aged 12-24: demographics and resource utilization at Kingston Health Sciences Centre

CJEM ◽  
2020 ◽  
Vol 22 (S1) ◽  
pp. S32-S32
Author(s):  
H. Murray ◽  
L. Erlikhman ◽  
T. Graham ◽  
M. Walker
Keyword(s):  
Mental Health ◽  
Emergency Department ◽  
Resource Use ◽  
Standard Form ◽  
Emergency Department Visits ◽  
Acute Intoxication ◽  
Mental Health Issue ◽  
Male Predominance ◽  
Ed Visits ◽  
The Impact

Introduction: Recent evidence shows an increase in alcohol-related emergency department (ED) visits among youth. We sought to quantify the impact of ED visits (type and frequency, patient characteristics and resource use) related to alcohol in our centre. Methods: This was a chart review of patients aged 12-24 with alcohol-related ED visits between Sept 2013-Aug 2017. The National Ambulatory Care Reporting System (NACRS) database was searched for visits alcohol related ICD-10 codes. The Canadian Hospital Injury Reporting and Prevention Program (CHIRPP) database was also searched using the keyword alcohol. Duplicate visits were removed. Visits were excluded if patients had a history of psychosis, were held in the ED for psychiatric assessment, were homeless, were inmates from a correctional institute, if alcohol use was not mentioned and for complaints of sexual assault/intimate partner violence. Data was abstracted by two reviewers using a standard form with predetermined variables. Differences were resolved with third party adjudication. Interrater reliability of the reviewers was assessed with Kappa scores through duplicate review of 10% of randomly selected charts. A further 10% were assessed by a 3rd reviewer for extraction accuracy. Results: 3,256 ED visits were identified with 777 removed via predefined exclusion criteria. 2,479 visits were reviewed with a male predominance (54.3%). More than half of all patients (50.9%) arrived via ambulance. Assigned CTAS levels were Resuscitation: 1% Emergent: 9.9% Urgent: 48.2% Less Urgent: 35.7% Non-Urgent: 4.2% (missing 1%). The median LOS was 2.9 hrs (IQR 1.8-4.6). All visits were subclassified into mutually exclusive categories: injury (51.8%), acute intoxication (45.1%) and mental health issue (3.2%). Males were more likely to present with injury (62.4% vs 42.6%, p < 0.01). Females were more likely to present with acute intoxication (53.3% vs 46.7%, p <0.01) and mental health issues (59.5% vs 40.5%, P = 0.01). ED resource use was notable: 483 (19.4%) had imaging tests and 1216 (49.1%) had some medical intervention (blood test, fluids or medication). 57 (2.3%) patients were admitted and there was one death from an alcohol related MVC. Conclusion: Alcohol-related ED visits by youth are common in our centre and utilize substantial prehospital and in-hospital resources. Identification of effective harm reduction strategies should be a research priority.

EPR19-069: Opioid Use Among Cancer Patients Undergoing Surgery and Their Associated Risk of Re-admissions and Emergency Department Visits in the 1-Year Postsurgical Period

2019 ◽  
Vol 17 (3.5) ◽  
pp. EPR19-069 ◽  
Author(s):  
Siyana Kurteva ◽  
Robyn Tamblyn ◽  
Ari Meguerditchian
Keyword(s):  
Emergency Department ◽  
Cancer Patients ◽  
Healthcare System ◽  
Emergency Department Visits ◽  
Administrative Claims ◽  
Opioid Use ◽  
Opioid Prescription ◽  
Ed Visits ◽  
Opioid Users ◽  
The Impact

Background: Prescription opioid use and overdose has steadily increased over the past years, resulting in a dramatic increase in opioid-related emergency department (ED) visits and hospitalizations. Methods: This study used a prospective cohort of cancer patients having undergone surgery in Montreal (Quebec) to describe their post-discharge opioid use and identify potential patterns of unplanned health service use (ED visits, hospitalizations). Provincial health administrative claims were used to measure opioid dispensation as well as hospital re-admissions and ED visits. The hospital warehouse, patient chart and patient interview will be used to further describe patient’s medical profile. Marginal structural models will be used to model the association between use of opioids and risk of ED visits and hospitalizations. Inverse probability of treatment and censoring weights will be constructed to properly adjust for confounders that may be unbalanced between the opioid and non–opioid users as well as to account for competing risk due to mortality. Reasons for the re-admissions will also be presented as part of the analyses. Covariates will include patient comorbidities, medication history, and healthcare system characteristics such as nurse-to-patient and attending physician-to-patient ratios. Results (interim): A total of 821 were included in the study; of these, 73% (n=597) were admitted for a cancer procedure. At postoperative discharge, 605 (74%) of patients had at least one opioid dispensation, of which the majority (67%) were oxycodone with hydromorphone being the second most prescribed (28%). Among those who filled a prescription, mean age was 66 (13.4), 68% had no previous history of opioid use, and 10% have had 3 or more dispensing pharmacies in the year prior to admission, compared to less than 1% for the non–opioid users. Overall, 343 people refilled their opioid prescription at least once and 128 at least twice during the 1-year postoperative period. Among cancer patients who were opioid users, 214 ED visits occurred in the 1 year after surgery compared to only 40 for the non-cancer opioid users. Conclusion: This study will help to identify the risk profile of cancer patients who are most likely to continue using opioids for prolonged periods following surgical procedures as well as quantify the impact of opioid use and its associated burden on the healthcare system in order to identify areas for possible interventions.

scholarly journals Validation of a Syndromic Case Definition for Detecting Emergency Department Visits Potentially Related to Marijuana

2017 ◽  
Vol 132 (4) ◽  
pp. 471-479 ◽  
Author(s):  
Kathryn DeYoung ◽  
Yushiuan Chen ◽  
Robert Beum ◽  
Michele Askenazi ◽  
Cali Zimmerman ◽  
...  
Keyword(s):  
Public Health ◽  
Emergency Department ◽  
Health Impact ◽  
Case Definition ◽  
Emergency Department Visits ◽  
Free Text ◽  
Search Term ◽  
Diagnosis Codes ◽  
Ed Visits ◽  
The Impact

Objectives: Reliable methods are needed to monitor the public health impact of changing laws and perceptions about marijuana. Structured and free-text emergency department (ED) visit data offer an opportunity to monitor the impact of these changes in near-real time. Our objectives were to (1) generate and validate a syndromic case definition for ED visits potentially related to marijuana and (2) describe a method for doing so that was less resource intensive than traditional methods. Methods: We developed a syndromic case definition for ED visits potentially related to marijuana, applied it to BioSense 2.0 data from 15 hospitals in the Denver, Colorado, metropolitan area for the period September through October 2015, and manually reviewed each case to determine true positives and false positives. We used the number of visits identified by and the positive predictive value (PPV) for each search term and field to refine the definition for the second round of validation on data from February through March 2016. Results: Of 126 646 ED visits during the first period, terms in 524 ED visit records matched ≥1 search term in the initial case definition (PPV, 92.7%). Of 140 932 ED visits during the second period, terms in 698 ED visit records matched ≥1 search term in the revised case definition (PPV, 95.7%). After another revision, the final case definition contained 6 keywords for marijuana or derivatives and 5 diagnosis codes for cannabis use, abuse, dependence, poisoning, and lung disease. Conclusions: Our syndromic case definition and validation method for ED visits potentially related to marijuana could be used by other public health jurisdictions to monitor local trends and for other emerging concerns.

scholarly journals Impact of Air Pollution and Trans-Boundary Haze on Nation-Wide Emergency Department Visits and Hospital Admissions in Singapore

2020 ◽  
Vol 49 (2) ◽  
pp. 78-87
Author(s):  
Sze Ling Chan ◽  
Andrew FW Ho ◽  
Huicong Ding ◽  
Nan Liu ◽  
Arul Earnest ◽  
...  
Keyword(s):  
Emergency Department ◽  
Air Pollution ◽  
Hospital Admissions ◽  
Time Of Day ◽  
Emergency Department Visits ◽  
Public Hospitals ◽  
Patient Acuity ◽  
Ed Visits ◽  
The Impact ◽  
Respiratory Conditions

Introduction: Air pollution is associated with adverse health outcomes. However, its impact on emergency health services is less well understood. We investigated the impact of air pollution on nation-wide emergency department (ED) visits and hospital admissions to public hospitals in Singapore. Materials and Methods: Anonymised administrative and clinical data of all ED visits to public hospitals in Singapore from January 2010 to December 2015 were retrieved and analysed. Primary and secondary outcomes were defined as ED visits and hospital admissions, respectively. Conditional Poisson regression was used to model the effect of Pollutant Standards Index (PSI) on each outcome. Both outcomes were stratified according to subgroups defined a priori based on age, diagnosis, gender, patient acuity and time of day. Results: There were 5,791,945 ED visits, of which 1,552,187 resulted in hospital admissions. No significant association between PSI and total ED visits (Relative risk [RR], 1.002; 99.2% confidence interval [CI], 0.995–1.008; P = 0.509) or hospital admissions (RR, 1.005; 99.2% CI, 0.996–1.014; P = 0.112) was found. However, for every 30-unit increase in PSI, significant increases in ED visits (RR, 1.023; 99.2% CI, 1.011–1.036; P = 1.24 × 10˗6) and hospital admissions (RR, 1.027; 99.2% CI, 1.010–1.043; P = 2.02 × 10˗5) for respiratory conditions were found. Conclusion: Increased PSI was not associated with increase in total ED visits and hospital admissions, but was associated with increased ED visits and hospital admissions for respiratory conditions in Singapore. Key words: Epidemiology, Healthcare utilisation, PSI, Public health, Time series

scholarly journals The impact of rotavirus vaccination on emergency department visits and hospital admissions for acute diarrhea in children under 5 years

2016 ◽  
Vol 62 (6) ◽  
pp. 506-512 ◽  
Author(s):  
Rodrigo Locatelli Pedro Paulo ◽  
André Broggin Dutra Rodrigues ◽  
Beatriz Marcondes Machado ◽  
Alfredo Elias Gilio
Keyword(s):  
Emergency Department ◽  
Acute Diarrhea ◽  
Hospital Admissions ◽  
Reduction Rate ◽  
Emergency Department Visits ◽  
University Hospital ◽  
Main Diagnosis ◽  
Ed Visits ◽  
The Impact ◽  
Children Under 5

Summary Introduction: Acute diarrheal disease is the second cause of death in children under 5 years. In Brazil, from 2003 to 2009, acute diarrhea was responsible for nearly 100,000 hospital admissions per year and 4% of the deaths in children under 5 years. Rotavirus is the leading cause of severe acute diarrhea worldwide. In 2006, the rotavirus monovalent vaccine (RV1) was added to the Brazilian National Immunization Program. Objectives: To analyze the impact of the RV1 on emergency department (ED) visits and hospital admissions for acute diarrhea. Method: A retrospective ecologic study at the University Hospital, University of São Paulo. The study analyzed the pre-vaccine (2003–2005) and the post-vaccine (2007–2009) periods. We screened the main diagnosis of all ED attendances and hospital admissions of children under 5 years in an electronic registry system database and calculated the rates of ED visits and hospital admissions. The reduction rate was analyzed according to the following formula: reduction (%) = (1 - odds ratio) x 100. Results: The rates of ED visits for acute diarrhea was 85.8 and 80.9 per 1,000 total ED visits in the pre and post vaccination periods, respectively, resulting in 6% reduction (95CI 4 to 9%, p<0.001). The rates of hospital admissions for acute diarrhea was 40.8 per 1,000 in the pre-vaccine period and dropped to 24.9 per 1,000 hospitalizations, resulting in 40% reduction (95CI 22 to 54%, p<0.001). Conclusion: The introduction of the RV1 vaccine resulted in 6% reduction in the ED visits and 40% reduction in hospital admissions for acute diarrhea.

Regional variation in high-resource utilization among lung cancer-related emergency department visits in the United States.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e20038-e20038
Author(s):  
Cynthiya Ruban ◽  
Marc Kowalkowski ◽  
Christopher Michael Blanchette
Keyword(s):  
Lung Cancer ◽  
Emergency Department ◽  
Regional Variation ◽  
The United States ◽  
Emergency Department Visits ◽  
Factors Associated ◽  
High Resource ◽  
Ed Visits ◽  
Hospital Factors ◽  
The Impact

e20038 Background: Regional variation is common in oncology care but is not defined for emergency department (ED) care for cancer patients, particularly patients with lung cancer (LC) who regularly utilize EDs for management of acute cancer or treatment related illness. This study analyzed regional variation and other factors associated with high total episodic charge (≥75th percentile; HTC) among LC patients evaluated in the ED in relation to discharge or admission. Methods: A retrospective study of LC-related ED visits in the US was conducted using the 2013 Nationwide ED Sample. LC-related ED visits among adults were identified by LC-specific Clinical Classification Software codes (CCS = 19; mapping to ICD-9 = 162.x, 209.21, 231.2, V10.11). Multivariable logistic regression analyzed the association between patient and hospital factors and HTC, weighted to represent ED visits nationwide. Results: Among 373,761 LC-related ED visits, 134,838 (36%) were treated and discharged and 238,923 (64%) were admitted (ranging from 51% (West [W]) to 76% (South [S]). HTC was ≥$5,655 (median = $2,993) for ED discharges and ≥$54,760 (median = $29,590) for admissions. The proportion of visits with HTC differed by region and admission status (discharged: 7% [W] to 27% [S]; admitted: 20% [Midwest] to 39% [W]). After adjusting for clinical and hospital factors associated with increased HTC odds (metastases, common acute comorbid disorder [chest and abdominal pain, pneumonia, sepsis, respiratory failure], diagnostic radiology use, thoracic/other surgery, chemo/radiotherapy, length of stay, primary payer, and hospital ownership, location and teaching status), significant HTC variation remained by hospital region with opposing relative HTC odds among discharged and admitted patients (discharged: W v S OR = 0.3 95%CI = 0.2-0.6, Northeast v S OR = 0.5 95%CI = 0.3-0.7; admitted: W v S OR = 3.8 95%CI = 2.5-5.7). Conclusions: Regional variation in HTC suggest differences in ED use and management patterns for LC and may reflect quality of care concerns. Clinical outcome linkage (including ED revisit tracking) is needed to better define the impact of variation and develop strategies to improve care for patients with LC.

scholarly journals The Impact of COVID-19 Pandemic on Emergency Department Visits at a Canadian Academic Tertiary Care Center

2021 ◽  
Vol 22 (4) ◽  
pp. 851-859
Author(s):  
Edmund Kwok ◽  
Glenda Clapham ◽  
Samantha Calder-Sprackman
Keyword(s):  
Emergency Department ◽  
Care Center ◽  
Tertiary Care ◽  
Emergency Department Visits ◽  
World Health ◽  
Tertiary Care Center ◽  
Public Health Response ◽  
Coronary Syndrome ◽  
Ed Visits ◽  
The Impact

Introduction: Public health response to the coronavirus 2019 (COVID-19) pandemic has emphasized social distancing and stay-at-home policies. Reports of decreased emergency department (ED) visits in non-epicenters of the outbreak have raised concerns that patients with non-COVID-19 emergencies are delaying or avoiding seeking care. We evaluated the impact of the pandemic on ED visits at an academic tertiary care center. Methods: We conducted an observational health records review between January 1–April 22, 2020, comparing characteristics of all ED visits between pre- and post-pandemic declaration by the World Health Organization. Measures included triage acuity, presenting complaints, final diagnoses, disposition, and mortality. We further examined three time-sensitive final diagnoses: stroke; sepsis; and acute coronary syndrome (ACS). Results: In this analysis, we included 44,497 ED visits. Average daily ED visits declined from 458.1 to 289.0 patients/day (-36.9%). For the highest acuity triaged patients there was a drop of 1.1 patients/day (-24.9%). Daily ED visits related to respiratory complaints increased post-pandemic (+14.1%) while ED visits for many other complaints decreased, with the greatest decline in musculoskeletal (-52.5%) and trauma (-53.6%). On average there was a drop of 1.0 patient/day diagnosed with stroke (-17.6%); a drop of 1.6 patients/day diagnosed with ACS (-49.9%); and no change in patients diagnosed with sepsis (pre = 2.8 patients/day; post = 2.9 patients/day). Conclusion: Significant decline in ED visits was observed immediately following formal declaration of the COVID-19 pandemic, with potential for delayed/missed presentations of time-sensitive emergencies. Future research is needed to better examine long-term clinical outcomes of the decline in ED visits during pandemics.

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