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Open versus arthroscopic elbow arthrolysis for primary osteoarthritis: A comparison of demographics and complications
Ethan A Remily1, Sandeep S Bains1, Jeremy A Dubin1
1LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopaedics, Baltimore, MD, USA.
Introduction:
Open techniques have traditionally been utilized in the surgical management of elbow osteoarthritis (OA). However, advances in elbow arthroscopy, in conjunction with the movement towards minimally invasive surgery, have led to an increase in the utilization of an arthroscopic approach. The primary aim of this investigation was to compare demographics and complication rates between patients undergoing open or arthroscopic arthrolysis for elbow OA with a secondary objective of identifying risk factors for infection with each treatment.
Methods:
A retrospective review of a private, all-payer database was performed to identify patients undergoing either open (n = 1482) or arthroscopic (n = 2341) arthrolysis for elbow osteoarthritis. The primary outcome was 2-year complications, which included infection, wound complications, and nerve injuries. Categorical variables were compared utilizing chi-square analyses, while continuous variables were compared using independent sample t-tests. Odd ratios (OR) were ascertained to quantify the risk attributed to open arthrolysis compared to arthroscopic. Multivariable logistic regression was performed to assess risk factors for infection following open or arthroscopic arthrolysis of an elbow with OA.
Results:
Age was significantly higher in the open cohort (55 ± 13.4 years) compared to the arthroscopic cohort (52 ± 13.1 years) (p < 0.001). The open cohort was more likely to be female (32.0 vs. 22.9%, p < 0.001) and have a Charlson Comorbidity Index (CCI) greater than three (9.2 vs. 7.1%, p < 0.001). Open procedures were associated with an increased risk of nerve injury (OR: 1.50) and wound complications (OR: 7.70) compared to arthroscopic arthrolysis. Multivariable logistic regression identified open procedures as a risk factor for infection (OR: 11.15). Moreover, diabetes (OR: 1.48), chronic kidney disease (OR: 1.89) and tobacco use (OR: 2.29) were found as risk factors for infection among the open cohort.
Conclusions:
This study found patients undergoing open arthrolysis of OA to be older and have a greater number of medical comorbidities compared to those undergoing arthroscopic arthrolysis. Open arthrolysis was associated with an increased rate of infection, nerve injury and wound complications compared to arthroscopic arthrolysis. After controlling for age and comorbidities with multivariable logistic regression, open arthrolysis remained a risk factor for infection. Arthroscopic elbow arthrolysis is associated with a lower risk of complications, including infection and may be favored for the management of OA of the elbow.
Level Of Evidence:
III (retrospective cohort study).
