ArticleAnnals of joint2026
Optimized treatment of hip ankylosis in spondylitis with direct anterior approach arthroplasty using AI navigation: a case report.
Article in Annals of joint, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Complex hip-spine syndrome combined with hip ankylosis is clinically challenging to manage. Traditional surgeries are associated with insufficient precision and significant trauma, which easily lead to poor lumbar-pelvic-hip alignment and affect prognosis. With the development of digitalized and intelligentized surgical techniques, the integration of artificial intelligence (AI), computer navigation, and minimally invasive techniques has provided a new solution for such complex cases, enabling optimized surgical outcomes through precise planning and operation in line with the damage-control philosophy. Case Description: A young male patient with severe hip-spine deformity and hip ankylosis underwent treatment. The first-stage hip surgery was performed using AI, computer navigation and minimally invasive total hip arthroplasty. The second-stage scoliosis correction was conducted based on simulation planning with a three dimensional (3D) printed model. At the 30-month postoperative follow-up, the Harris Hip Score (HHS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and 36-Item Short-Form Health Survey (SF-36) scores increased by 75, 143, and 350 points, respectively. The patient's overall quality of life was significantly improved. Spinal function parameters including cervical balance vertical axis (CBVA), Scoliosis Research Society-22 questionnaire (SRS-22), and Oswestry Disability Index (ODI) were also significantly enhanced. Radiological examinations (anteroposterior pelvic and standing full-length X-rays) showed that the inclination and anteversion of the acetabular component were consistent with AI's preoperative predictions, reflecting favorable lumbar-pelvic-hip adaptation. Conclusions: In the treatment of hip ankylosis in complex hip-spine syndrome, the application of AI combined with navigation technology can significantly improve surgical precision, reduce trauma, promote coordinated lumbar-pelvic-hip alignment, and effectively enhance patients' joint/spinal function and quality of life. It provides a new digitalized and intelligentized solution for the surgical management of such complex cases.
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