Revision procedures, younger patients had higher infection risk after ACL reconstruction
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Results showed revision procedures and younger patients had a higher incidence of infection after ACL reconstruction, while use of bone-patellar tendon-bone autografts yielded a low risk of infection.
Researchers performed a retrospective medical record review of 11,451 ACL reconstruction procedures performed between January 2010 and December 2018 to determine the incidence of infections, patient and procedure characteristics associated with an infection, infection characteristics, incidence of ACL graft retention and factors associated with the retention vs. removal of an ACL graft. Researchers used multivariable logistic regression analysis to identify potential risk factors for an infection after ACL reconstruction.
Researchers identified infections in 0.42% of ACL reconstruction procedures. Risk factors for an infection included revision ACL reconstruction and younger age, according to multivariable logistic regression analysis. Results showed an independent association with an increased risk of infection among hamstring tendon autografts and allografts compared with bone-patellar tendon-bone autografts.
In the patients with postoperative infection, researchers removed 31.3% and retained 68.8% of ACL grafts. Although some trends were identified, researchers noted no statistically significant differences between retained vs. removed grafts, besides the number of irrigation and debridement procedures.
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