The Effect of Aspiration and Corticosteroid Injection After ACL Injury on Postoperative Infection Rate

Background: Injecting bioactive substances into the knee is common in orthopaedic practice, and recently it has been shown to mitigate risk factors for posttraumatic osteoarthritis. Therefore, understanding the influence of these injections on postoperative infection rate is imperative. Hypothesis:...

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Veröffentlicht in:The American journal of sports medicine 2023-12, Vol.51 (14), p.3665-3669
Hauptverfasser: Cantrell, William A., Cox, Charles L., Johnson, Carrie, Obuchowski, Nancy, Strnad, Greg, Swinehart, Dane, Yalcin, Sercan, Spindler, Kurt P.
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container_end_page 3669
container_issue 14
container_start_page 3665
container_title The American journal of sports medicine
container_volume 51
creator Cantrell, William A.
Cox, Charles L.
Johnson, Carrie
Obuchowski, Nancy
Strnad, Greg
Swinehart, Dane
Yalcin, Sercan
Spindler, Kurt P.
description Background: Injecting bioactive substances into the knee is common in orthopaedic practice, and recently it has been shown to mitigate risk factors for posttraumatic osteoarthritis. Therefore, understanding the influence of these injections on postoperative infection rate is imperative. Hypothesis: Postinjury aspiration and corticosteroid injection (CSI) of the knee before anterior cruciate ligament (ACL) reconstruction (ACLR) would not increase the risk of postoperative infection. Study Design: Cohort Study; Level of evidence, 3. Methods: All patients between the ages of 10 and 65 years who underwent primary bone–patellar tendon–bone ACLR by 1 fellowship-trained sports medicine orthopaedic surgeon between January 1, 2011, and September 8, 2020, at 1 of 2 major academic centers were evaluated for inclusion. A total of 693 patients were included, with 273 patients receiving postinjury and preoperative aspiration and CSI. A postoperative infection was defined as a patient returning to the operating room for an intra-articular washout. The intervals—measured in days—between the CSI and ACLR and between ACLR and the final follow-up were recorded. To further evaluate the infection risk in each cohort (total cohort; aspiration and injection cohort; no aspiration and injection cohort), the upper 95% confidence bound for the infection risk was calculated for each cohort. Results: There were no postoperative infections in the 693 patients included in this study. The upper 95% confidence bounds were 0.4%, 1.1%, and 0.7% for the total cohort, the cohort that underwent aspiration and injection, and the cohort that did not, respectively. The median number of days between the surgical date and that of the aspiration and injection was 34 days, and the mean follow-up for the entire cohort was 337.4 days (95% CI, 307.6-367.3). Conclusion: Postinjury and preoperative aspiration and CSI is a safe intervention that can be used before ACLR. Future studies with larger sample sizes, longer patient follow-ups, and multiple surgeons would be helpful to both better understand infection risk and better identify the influence of CSI on preventing posttraumatic osteoarthritis.
doi_str_mv 10.1177/03635465231211606
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Therefore, understanding the influence of these injections on postoperative infection rate is imperative. Hypothesis: Postinjury aspiration and corticosteroid injection (CSI) of the knee before anterior cruciate ligament (ACL) reconstruction (ACLR) would not increase the risk of postoperative infection. Study Design: Cohort Study; Level of evidence, 3. Methods: All patients between the ages of 10 and 65 years who underwent primary bone–patellar tendon–bone ACLR by 1 fellowship-trained sports medicine orthopaedic surgeon between January 1, 2011, and September 8, 2020, at 1 of 2 major academic centers were evaluated for inclusion. A total of 693 patients were included, with 273 patients receiving postinjury and preoperative aspiration and CSI. A postoperative infection was defined as a patient returning to the operating room for an intra-articular washout. The intervals—measured in days—between the CSI and ACLR and between ACLR and the final follow-up were recorded. To further evaluate the infection risk in each cohort (total cohort; aspiration and injection cohort; no aspiration and injection cohort), the upper 95% confidence bound for the infection risk was calculated for each cohort. Results: There were no postoperative infections in the 693 patients included in this study. The upper 95% confidence bounds were 0.4%, 1.1%, and 0.7% for the total cohort, the cohort that underwent aspiration and injection, and the cohort that did not, respectively. The median number of days between the surgical date and that of the aspiration and injection was 34 days, and the mean follow-up for the entire cohort was 337.4 days (95% CI, 307.6-367.3). Conclusion: Postinjury and preoperative aspiration and CSI is a safe intervention that can be used before ACLR. 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Therefore, understanding the influence of these injections on postoperative infection rate is imperative. Hypothesis: Postinjury aspiration and corticosteroid injection (CSI) of the knee before anterior cruciate ligament (ACL) reconstruction (ACLR) would not increase the risk of postoperative infection. Study Design: Cohort Study; Level of evidence, 3. Methods: All patients between the ages of 10 and 65 years who underwent primary bone–patellar tendon–bone ACLR by 1 fellowship-trained sports medicine orthopaedic surgeon between January 1, 2011, and September 8, 2020, at 1 of 2 major academic centers were evaluated for inclusion. A total of 693 patients were included, with 273 patients receiving postinjury and preoperative aspiration and CSI. A postoperative infection was defined as a patient returning to the operating room for an intra-articular washout. The intervals—measured in days—between the CSI and ACLR and between ACLR and the final follow-up were recorded. To further evaluate the infection risk in each cohort (total cohort; aspiration and injection cohort; no aspiration and injection cohort), the upper 95% confidence bound for the infection risk was calculated for each cohort. Results: There were no postoperative infections in the 693 patients included in this study. The upper 95% confidence bounds were 0.4%, 1.1%, and 0.7% for the total cohort, the cohort that underwent aspiration and injection, and the cohort that did not, respectively. The median number of days between the surgical date and that of the aspiration and injection was 34 days, and the mean follow-up for the entire cohort was 337.4 days (95% CI, 307.6-367.3). Conclusion: Postinjury and preoperative aspiration and CSI is a safe intervention that can be used before ACLR. 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Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>The American journal of sports medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cantrell, William A.</au><au>Cox, Charles L.</au><au>Johnson, Carrie</au><au>Obuchowski, Nancy</au><au>Strnad, Greg</au><au>Swinehart, Dane</au><au>Yalcin, Sercan</au><au>Spindler, Kurt P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effect of Aspiration and Corticosteroid Injection After ACL Injury on Postoperative Infection Rate</atitle><jtitle>The American journal of sports medicine</jtitle><addtitle>Am J Sports Med</addtitle><date>2023-12</date><risdate>2023</risdate><volume>51</volume><issue>14</issue><spage>3665</spage><epage>3669</epage><pages>3665-3669</pages><issn>0363-5465</issn><eissn>1552-3365</eissn><abstract>Background: Injecting bioactive substances into the knee is common in orthopaedic practice, and recently it has been shown to mitigate risk factors for posttraumatic osteoarthritis. Therefore, understanding the influence of these injections on postoperative infection rate is imperative. Hypothesis: Postinjury aspiration and corticosteroid injection (CSI) of the knee before anterior cruciate ligament (ACL) reconstruction (ACLR) would not increase the risk of postoperative infection. Study Design: Cohort Study; Level of evidence, 3. Methods: All patients between the ages of 10 and 65 years who underwent primary bone–patellar tendon–bone ACLR by 1 fellowship-trained sports medicine orthopaedic surgeon between January 1, 2011, and September 8, 2020, at 1 of 2 major academic centers were evaluated for inclusion. A total of 693 patients were included, with 273 patients receiving postinjury and preoperative aspiration and CSI. A postoperative infection was defined as a patient returning to the operating room for an intra-articular washout. The intervals—measured in days—between the CSI and ACLR and between ACLR and the final follow-up were recorded. To further evaluate the infection risk in each cohort (total cohort; aspiration and injection cohort; no aspiration and injection cohort), the upper 95% confidence bound for the infection risk was calculated for each cohort. Results: There were no postoperative infections in the 693 patients included in this study. The upper 95% confidence bounds were 0.4%, 1.1%, and 0.7% for the total cohort, the cohort that underwent aspiration and injection, and the cohort that did not, respectively. The median number of days between the surgical date and that of the aspiration and injection was 34 days, and the mean follow-up for the entire cohort was 337.4 days (95% CI, 307.6-367.3). Conclusion: Postinjury and preoperative aspiration and CSI is a safe intervention that can be used before ACLR. 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subjects Adolescent
Adult
Aged
Anterior Cruciate Ligament Injuries - surgery
Anterior Cruciate Ligament Reconstruction - adverse effects
Arthritis
Child
Cohort Studies
Humans
Infections
Knee Joint - surgery
Middle Aged
Orthopedics
Osteoarthritis
Osteoarthritis - surgery
Patients
Postoperative Complications - surgery
Sports medicine
Steroids
Young Adult
title The Effect of Aspiration and Corticosteroid Injection After ACL Injury on Postoperative Infection Rate
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