Endoprosthetics of the shoulder joint using additive technologies

Introduction. Additive technologies have gained widespread popularity in the medical field, particularly in orthopedics where biomodelling has proven to be highly effective in expanding the capabilities of surgeons.

Purpose of the study. Improving the results of treatment for patients with complex deformities of the shoulder joint through the use of additive technologies in shoulder endoprosthetics.

Materials and methods. Our study presents a clinical case of a 54-year-old patient, M, diagnosed with stage III shoulder deforming osteoarthritis. The patient underwent shoulder joint endoprosthetics using additive technologies. A custom-designed titanium implant with an osteoinductive surface and pre-set directional screws was developed and manufactured. The observation period was 12 months. Before the surgery and during follow-up examinations at 3, 6, and 12 months, interviews, physical examinations, range of motion measurements, and objective assessments of the patient's condition using the VAS, SF-36, and UCLA questionnaires were conducted.

Results. The application of a personalized approach and additive technologies allowed for the restoration of shoulder joint function and a significant improvement in the patient's quality of life. Significant improvements were obtained according to all questionnaires (p<0.05), and restoration of shoulder joint range of motion and deltoid muscle tone were also noted.

Conclusion. The results obtained in the application of additive technologies in this patient demonstrate excellent results in all studied indicators, which are not always achievable with routine endoprosthesis of the shoulder joint in patients with complex deformities. This study proves the effectiveness of a modern personalized approach and helps improve the treatment outcomes for patients of orthopedic profile.

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