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Knee Arthrocentesis in Adults

Knee Arthrocentesis in Adults

Published on: February 25, 2022

Risk of SARS-CoV-2 following joint and epidural corticosteroid injections: A retrospective study

Robin Raju¹, Eric K Holder¹, Mark Dundas¹

¹Department of Orthopedics and Rehabilitation, Yale New Haven Hospital/Yale University, New Haven, Connecticut, USA.

Pain Practice : the Official Journal of World Institute of Pain

|November 23, 2023

Abstract

Objective:

The immunosuppressive effects of corticosteroid (CS) injections have come under more scrutiny during the coronavirus disease 2019 (COVID-19) pandemic. The aim of the study was to explore any relationship between joint/epidural CS injection and SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) polymerase chain reaction (PCR) positivity.

Methods:

A retrospective chart review was conducted on patients 18 years or over who received at least one joint or epidural CS injection by physiatrists in a tertiary care center between January 1, 2020, and December 31, 2021. This cohort of patients was then compared to a control group who did not receive any CS injection during this time period.

Results:

A total of 766 patients were identified in the CS injection group and 1546 patients in the control group. Overall, 12.27% of patients turned SARS-CoV-2 PCR positive in the CS injection group, which was similar to 11.90% in the control group (p = 0.797). But 3-month SARS-CoV-2 PCR positivity rate showed a statistically significant higher rate among the CS injection group (3.30% in the CS injection group vs. 2.10% in the control group; p = 0.027). In multivariate regression analysis, after adjusting both groups for Charlson Comorbidity Index (CCI), there was statistically significant higher SARS-CoV-2 PCR positivity rate in the CS injection group (p = 0.024). However, after adjusting both groups for age and total number of comorbidities, there was no difference between the groups in regard to SARS-CoV-2 PCR positivity rate (p = 0.081). In the subgroup analysis of only COVID-19 vaccinated patients, there was an increased 3-month SARS-CoV-2 PCR positivity rate among patients with severe comorbidities in the CS injection group (p = 0.036).

Conclusion:

The study was not conclusive on the effect of joint or epidural CS injection on SARS-CoV-2 PCR positivity rate, although adjusted analysis suggests higher 3-month SARS-CoV-2 PCR positivity rate after CS injection in patients with severe comorbidities with significant disease burden when compared to controls.

Keywords:

COVID-19 SARS-CoV-2 PCR positivity corticosteroid injection epidural injection immune suppression infection rate joint injection

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