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Purpose: Although proximal and diaphyseal humerus fractures are frequent, the optimal management remains controversial. Antegrade nailing prevents further damage to the soft tissues and to the vascularization, but it has been associated with postoperative shoulder pain and dysfunction. During the latest years a straight nail design was developed to minimize these problems., Methods: A total of 243 patients who had undergone surgery for antegrade intramedullary humeral nailing between January 2013 and July 2018 in A. Gemelli Trauma Center were divided into two groups according to the nail design used: straight nail group (S-group) and curvilinear nail group (C-group). Clinical data were collected using assessment forms (SF12-v2, Quick-DASH, ASES and Constant-Murley). Radiographic bone healing was assessed with RUST score at 30, 90 and 180 days after surgery., Results: The S-group was made up of 128 patients with a mean age of 59 ± 19 (range 18-97) and a mean follow-up of 46 ± 9 months. The C-group was made up of 115 patients with a mean age of 53 ± 16 (range 18-88) and a mean follow-up of 51 ± 8 months. The S-group had a mental component summary (MCS) score of 54.3 ± 7.7 and a physical component summary (PCS) score of 46 ± 10.2, the C-group had a MCS score of 50.9 ± 8.4 and a PCS score of 44.1 ± 7.4. Quick-DASH and ASES were respectively 18.8 ± 4.3 and 78.6 ± 8.2 in the S-group, 28.3 ± 11.6 and 72.1 ± 13.5 in the C-group with statistical significance. Constant-Murley score was 73.9 ± 9.1 in the S-group (76% of the contralateral healthy side) and 69.4 ± 10.4 in the C-group (73% of the contralateral healthy side). The radiographic union score in the S-group was 4.1 ± 0.3 at 30 days after surgery, 7 ± 0.8 at 90 days and 10 ± 1.2 at 180 days, while in the C-group it was 4.2 ± 0.4 at 30 days, 6.4 ± 0.7 at 90 days and 9 ± 0.9 at 180 days., Conclusion: Newer generation straight nails allow a faster bone healing and better functional outcome at mid-term follow up. Level of evidence III., (© 2021. The Author(s).)

Purpose: The aim of the study was to compare three different proximal femoral nails in terms of functional and radiological outcomes in patients treated with closed reduction and internal fixation for intertrochanteric femur fractures (IFFs)., Methods: Between February 2010 and March 2016, 303 consecutive patients (132 male, 171 female) were included in the study. The groups were compared in terms of age, gender, body mass index, duration of surgery and duration of fluoroscopy, blood loss, type of fracture and quality of the reduction, complication rate, and functional and radiological results. Harris hip score (HHS), Barthel index, and full weight bearing time were used for functional evaluation. The quality of the reduction, collodiaphyseal angle (CDA), tip-apex distance (TAD), and fracture union were used for radiological results evaluation., Results: There was no significant difference between groups in terms of fracture type, reduction quality, and complication rates. The mean operation time, duration of scopy, blood loss, and TAD was higher for InterTan, whereas the mean postoperative CDA was higher for PFNA-II. Operation time, postoperative CDA, and full weight bearing duration were higher for Profin than for InterTan. The mean HHS and Barthel Index were higher for PFNA-II, while the mean duration of operation and fluoroscopy, blood loss, TAD, and full weight bearing time were higher for Profin., Conclusion: PFNA-II is a better option than Profin and InterTAN in the treatment of IFFs when the surgical parameters and functional and radiological results were evaluated as a whole.