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Background and ObjectiveFollowing on from the Royal College of Surgeons (RCS) recommendation of 5th of April 2020 to perform computed tomography (CT) scan of the chest in patients presenting with an abdominal pain emergencies and undergoing an abdominal CT; comparison was made between a cohort of patients with a RCS-COVID recommended scan and a similar group of patients in the pre-COVID era. To evaluate the value of extending CT-KUB scan to include the chest area, in patients presenting to the emergency department with acute renal colic during the COVID-19 pandemic. Material and MethodsRetrospective data included; initial presentation, COVID-19-related symptoms, dose length product (DLP), scan extension, Ground glass appearance (GGO), Wuhan corona virus swab polymerase chain reaction (PCR) test. ResultsA total of 100 patients underwent CT KUB in April 2020 (Group 1) with a similar number of patients from the pre-COVID-19 pandemic randomly selected from August to October 2019 (Group 2). Patients age ranged from 15 to 91 years with a median of 48 years in Group 1, whilst in Group 2 the range was 19 to 85 years with a median of 50 years. All patients in both groups initially presented with renal colic. No COVID-19-related respiratory manifestations were recorded. Nine patients from Group 1 had GGO identified in their chest CT with all of them returning with negative COVID-19 swabs. Interestingly there was almost the same number of stones diagnosed 49% (49/ 100) in Group 1 patients compared with 50% (23/5150/100) from Group 2. ConclusionsDespite the RCS COVID CT scan recommendations, our study has demonstrated no significant additional value of extending the CT-KUB to include the chest area in renal colic patients with no respiratory manifestations. Further studies are recommended in order to validate these results.

Investigating the Rationale for Extending CT KUB to Include the Chest for Suspected Renal Colic Patients During the COVID-19 Pandemic