Abstract
Background
The optimal technique for the displaced greater tuberosity (GT) fractures remains unclear; those in favor of arthroscopic techniques emphasize on the feasibility of arthroscopic reduction and fixation, while others report that anatomic reduction and osteosynthesis of the fracture are optimal through open surgery. Therefore, we performed this study to evaluate the clinical results of arthroscopic fixation for displaced and/or comminuted GT fractures using a bridging arthroscopic technique.
Materials and methods
We studied the files of 11 patients (4 men, 7 women; mean age, 55 years; range, 28–74 years), with an isolated, displaced GT fracture treated with arthroscopic reduction and double-row suture anchor fixation technique from December 2016 to October 2018. All patients were operated at a mean time from their injury of 23 days (range, 1–85 days) using an arthroscopic technique. Any concomitant pathology that was arthroscopically identified was identified and repaired after arthroscopic fixation of the GT fracture. The mean follow-up was 12 months (range, 6–18 months). We evaluated pain using a 0–10 point visual analog scale (VAS), shoulder range of motion, fracture healing, Constant-Murley Shoulder Outcome Score, and patients’ satisfaction from the operation.
Results
Postoperative radiographs showed anatomic reduction without any displacement of the GT fracture in eight patients and residual displacement of < 3 mm in three patients. All patients significantly improved in VAS score from 8.4 points (range, 7–10 points) preoperatively to 0.9 points (range, 0–3 points) postoperatively. Range of motion was 153 degrees forward flexion (range, 130–170 degrees), 149 degrees abduction (range, 120–170 degrees), 42 degrees external rotation (range, 20–70), and internal rotation between T10 and L3 spinal level. The final mean Constant-Murley Shoulder Outcome Score was 85.8 points (range, 76–94 points); correlation analysis showed that the patients with the higher greater tuberosity fracture displacement had the worst postoperative score (Pearson correlation coefficient –0,85; p = 0.0009), and the patients with nonanatomic reduction had close to average score. All patients were very satisfied with the end result of the operation, even the 3 patients with residual fracture displacement. No patient experienced any postoperative complications.
Conclusions
Arthroscopic reduction and fixation of displaced GT fractures is a feasible minimally invasive procedure for optimal fracture healing and patients satisfaction.
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Kokkalis, Z.T., Papanikos, E., Bavelou, E. et al. Arthroscopic reduction and fixation of greater tuberosity fractures of the humerus. Eur J Orthop Surg Traumatol 31, 1055–1060 (2021). https://doi.org/10.1007/s00590-020-02835-8
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DOI: https://doi.org/10.1007/s00590-020-02835-8