ArticleClinics in orthopedic surgery2026
Targeted Fully-Threaded Screw Augmentation with the Femoral Neck System Reduces Neck Shortening and Posterior Tilt, Leading to Improved Function in Geriatric Garden I-II Femoral Neck Fractures: A Retrospective Comparative Study.
Article in Clinics in orthopedic surgery, 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: This study aimed to evaluate whether targeted fully-threaded screw augmentation with the femoral neck system (FNS) reduces femoral neck shortening and posterior tilt, thereby improving functional outcomes in geriatric patients with Garden types I and II femoral neck fractures. Methods: We retrospectively reviewed the clinical and radiographic data of geriatric patients (> 60 years) with Garden type I or II femoral neck fractures who underwent FNS fixation and completed a 6-month follow-up. Of these, 32 patients received targeted fully-threaded screw augmentation with FNS (TFS-FNS group), while 24 underwent single FNS fixation (single FNS group). The 2 groups were compared in terms of femoral neck shortening, posterior or anterior tilt, bone union rate, Harris Hip Score (HHS), and complications, including those potentially associated with fully-threaded screw fixation. Additionally, we analyzed factors associated with functional outcomes. A subgroup analysis was performed to assess whether targeted fully-threaded screw augmentation could reduce re-shortening and recurrent posterior tilt following closed reduction. Results: There were no significant differences in demographic or clinical characteristics except for a higher prevalence of Pauwels type III fractures in the TFS-FNS group. All shortening-related outcomes were significantly lower in the TFS-FNS group (vertical: 1.46 ± 1.49 mm; horizontal: 0.87 ± 1.14 mm; total: 1.88 ± 1.70 mm) than in the single FNS group (vertical: 4.08 ± 2.83 mm; horizontal: 2.28 ± 2.42 mm; total: 5.31 ± 2.69 mm) ( Conclusions: Targeted fully-threaded screw augmentation combined with the FNS effectively reduced femoral neck shortening and posterior or anterior tilt in geriatric Garden types I and II femoral neck fractures, leading to improved functional outcomes without increasing complication rates.
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