COVID modifications in CT use within the ED recommend path going ahead

Although there could have been a decline within the absolute variety of CT imaging exams carried out through the acute section of the pandemic — on account of research being postponed or canceled — there was a rise in CT exams within the ED as physicians grappled with diagnosing the illness, wrote a group led by Dr. Timothy Loftus of Northwestern University Feinberg School of Medicine in Chicago. The group hopes these findings will assist their friends as they face future pandemics.


“[Our] data will add to the body of literature detailing the incidence of COVID-19 on CT utilization which, in turn, may aid others in prediction and institutional preparedness efforts for the current pandemic as well as future [ones],” the group wrote.


The World Health Organization’s March 2020 declaration of COVID-19 as a worldwide pandemic had dramatic impact on the healthcare system worldwide, with many hospitals canceling or suspending not solely nonurgent medical procedures but additionally imaging research and “stay at home” orders decreasing the variety of sufferers presenting within the emergency room, the group famous.


But regardless of the dampening impact of the pandemic on the healthcare system, the variety of chest CT exams elevated, since CT was initially one of many first imaging modalities used to diagnose the illness.


Loftus and colleagues explored using chest CT prepandemic and through it through a examine that included ED imaging quantity knowledge between January 2019 and February 2021 taken from seven hospitals. They calculated weekly total CT use as CT scans ordered per 100 ED visits; through the examine time interval, there have been 618,972 ED visits and 237,053 CT exams carried out.


Although imply ED go to volumes decreased from 6,063 per week prepandemic to 4,885 per week through the pandemic, the group discovered that the weekly use of CT within the emergency division elevated, each total and for chest CT.








Emergency division CT examination use, prepandemic and through
CT exams (weekly) Prepandemic During pandemic
Total per 100 ED visits 35.9 41.8
Chest CTs per 1,000 scans 2 5



“Compared to prepandemic baseline, there was a significant increase in rates of both overall ED CT utilization and ED CT chest utilization following the start of the COVID pandemic,” the investigators reported.


The findings make clear how CT imaging use modified within the emergency division through the COVID-19 pandemic, they usually spotlight the necessity for continued examine, in line with the group.


“EDs are currently encountering a large volume of patients with a relatively new disease process, one in which investigations are ongoing regarding how to best incorporate CT chest into an appropriate and evidence-based diagnostic evaluation, and for which clinical practice guidelines are yet to be developed … These data may help formulate future operational strategies for resource utilization and imaging indications as we look towards a future with endemic or annual COVID-19 seasons,” the group concluded.

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