JSES - 2026-03-04 - Journal Article
Long-Term Minimum 5-Year Follow-Up 3D CT Evaluation of Bone Graft Status After Latarjet in Patients with No or Minimal Preoperative Glenoid Bone Loss.
Neyton L, Sewpaul Y, Lajoinie L, Peduzzi L, Tiercelin J, Ohl X
Topics
Key Takeaway
After open Latarjet for <5% glenoid bone loss, coracoid graft consolidation occurred in 97% of cases at mean 8-year follow-up, with 3D CT demonstrating consistent superomedial resorption and a mean glenoid surface augmentation of 20.9%.
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Summary
This retrospective multicenter study evaluated coracoid graft status via 2D and 3D CT at minimum 5-year follow-up in patients undergoing open Latarjet with <5% preoperative glenoid bone loss. Among 34 patients, graft consolidation occurred in 97% (30/34), with 4 failures (1 fracture, 3 non-unions). Consolidated grafts produced a mean glenoid surface increase of 1.28 cm² (20.9% augmentation), and 3D CT in 24 cases revealed predictable superomedial resorption with partial superior screw exposure in most.
Key Limitation
The absence of clinical outcome scores, redislocation rates, and a comparative Bankart repair cohort makes it impossible to determine whether the radiographic consolidation translates to superior functional results or justifies Latarjet over arthroscopic repair in this low-bone-loss population.
Original Abstract
PURPOSE
The purpose of this study was to evaluate the Latarjet coracoid graft status using CT at minimum 5-year follow-up in a population with less than 5% glenoid bone loss preoperatively. We hypothesized that complete graft lysis would occur in accordance with Wolff's law.
METHODS
This retrospective multicenter study included patients treated with an open Latarjet procedure across eight centers who had less than 5% preoperative glenoid bone loss and available preoperative and follow-up CT scans. Glenoid bone defects were measured using the best-fit circle method on 2D CT. The preoperative glenoid articular surface was compared with the follow-up useful glenoid surface. Three-dimensional CT reconstructions with humeral head subtraction were analyzed to assess graft consolidation, resorption patterns, and screw coverage in sagittal, coronal, and anterior planes.
RESULTS
Thirty-four patients met the inclusion criteria, with a mean follow-up of 98.7 ± 32 months (range 60-172). Four patients experienced graft failure (1 fracture, 3 non-unions), resulting in a graft consolidation rate of 97%. Among the 30 patients with consolidated grafts, the mean useful glenoid surface increased by 1.28 ± 0.97 cm 2 (p < 0.001), corresponding to a mean glenoid articular surface augmentation of 20.9 ± 23.9%. Three-dimensional CT reconstructions were available in 24 cases and demonstrated consistent graft resorption, predominantly affecting the superomedial aspect of the graft, with partial exposure of the superior screw in most cases.
CONCLUSION
At a mean follow-up of 8 years, the coracoid graft remained present in 97% of cases, even in patients with minimal preoperative glenoid bone loss (<5%). 2D CT showed a mean glenoid surface augmentation of 20.9%, while 3D analysis revealed consistent superomedial resorption. These findings demonstrate graft consolidation with a low complication rate, suggesting that the Latarjet procedure can be effective in this population.
LEVEL OF EVIDENCE
Level IV, Case Series, Treatment Study.