Total elbow arthroplasty: a radiographic outcome study.

Area of Science:

• Orthopedic surgery
• Radiology
• Biomedical engineering

Background:

• Total elbow arthroplasty (TEA) is an increasingly utilized procedure for end-stage elbow arthrosis and complex distal humeral fractures.
• Previous research on TEA outcomes has largely concentrated on surgical results, with less emphasis on radiographic findings.
• A comprehensive understanding of radiographic outcomes is essential for managing patients undergoing TEA.

Purpose of the Study:

• To evaluate the radiographic outcomes of total elbow arthroplasty.
• To correlate radiographic findings with clinical symptoms, specifically elbow pain.
• To identify common postoperative radiographic complications associated with TEA.

Main Methods:

• A retrospective review of 104 semiconstrained total elbow arthroplasties in 102 patients performed between 2005 and 2015.
• Analysis of available elbow radiographs and clinical data, including descriptive statistics.
• Kaplan-Meier survival analysis was used to assess radiographic and clinical survival.

Main Results:

• 67% of TEAs (70/104) exhibited radiographic complications, including heterotopic ossification (48%), perihardware lucency (27%), and periprosthetic fracture (23%).
• 55% of patients (56/104) reported elbow pain or instability, and 30% required reoperation.
• A significant association was found between radiographic complications and elbow pain (66% vs. 19%, p=0.001).

Conclusions:

• Radiographic complications are highly prevalent following total elbow arthroplasty.
• Postoperative radiographic findings are strongly linked to clinical outcomes, including pain and the need for further surgery.
• Familiarity with common postoperative radiographic findings is vital for radiologists involved in the care of TEA patients.