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Background: Femoral shaft fractures (FSFs) are a frequent injury in traumatology for which intramedullary nailing (IMN) is considered the gold standard treatment. Nonunion (NU) is one of the most frequent complications in FSF treated with IMN, with a percentage from 1.1% to 14%. Plate augmentation (PA), the addition of a compression plate and screws, with or without bone graft has been described as an effective option for the treatment of NU, improving the biomechanical conditions at the fracture site. The aim of this review was to analyze the literature relating to the use of PA in NU after IMN in FSFs to assess the efficacy of the technique. Methods: An electronic search on PubMed, Google Scholar, and Web of Science was conducted to search for all studies concerning PA of femoral shaft NUs after IMN. Results: Twenty-four studies were included in the review comprising a total of 502 patients with a mean age of 39.5 years. Of these, 200 hundred patients had atrophic pseudoarthrosis and 123 had hypertrophic pseudoarthrosis, while in 179, the type of pseudoarthrosis was not reported. The most frequently used plate for PA was the dynamic compression plate (DCP); in 87.1% of the cases, the authors added a bone graft to the plate fixation. In 98.0% of the patients, a complete bone union was achieved in a mean time of 5.8 ± 2.12 months. Conclusion: The patients treated with PA included in this review showed a good rate of consolidation in the femoral shaft NUs, with good functional recovery and a low incidence of complications.

The purpose of this study is to evaluate the efficacy of plate augmentation and hybrid bone grafting for treating atrophic nonunion of the femur with original intramedullary nail retained in situ.In this study, 36 patients with atrophic nonunion of the femur who underwent surgery using the technique of plate augmentation and a hybrid bone grafting while retaining the original intramedullary nail in situ in Xi’an Honghui Hospital from January 2019 to December 2021 were enrolled. 28 patients who met the inclusion and exclusion criteria were ultimately included in the study. These 28 patients, consisting of 20 males and 8 females with a mean age of 38 years, were evaluated based on factors such as operation time, intraoperative blood loss, the average hospitalization days. Additionally, the results and function of these patients were evaluated by union time, Wu’s scores of limb function and incidence of serious complications.All 28 patients achieved bone union at the 12 month follow-up, with an average follow-up time of 14.6 ± 4.2 months.The average operation time was 68.3 ± 11.2 min, and the average intraoperative blood loss was 140 ± 22.6 ml. Patients were hospitalized for an average of 5.8 ± 1.1 days. Full clinical and radiological bone union was achieved on average at 5.1 ± 1.9 months. The mean value of Wu's scores at the 12 month follow-up was significantly higher than before the operation. Limb function was excellent in 27 patients and good in one patient at the 12 month follow-up. However, five patients experienced the lower limb vein thrombosis, including one deep vein thrombosis and four lower limb intermuscular vein thromboses. One patient had a superficial infections of the surgical incision site, while three patients reported pain and numbness where their iliac bone graft was extracted at the 12 month follow-up. The technique of plate augmentation and hybrid bone grafting, combined with retaining the original intramedullary nail in situ has been shown to be a safe, effective, simply and standardizable practice for treating atrophic femoral nonunion with an intact original IMN fixation.

Background To evaluate the effectiveness of a sequential internal fixation strategy and intramedullary nailing with plate augmentation (IMN/PA) for bone reconstruction in the management of infected femoral shaft defects using the Masquelet technique. Methods We performed a retrospective descriptive cohort study of 21 patients (mean age, 36.4 years) with infected bone defects of the femoral shaft treated by the Masquelet technique with a minimum follow-up of 18 months after second stage. After aggressive debridement, temporary stabilisation (T1) was achieved by an antibiotic-loaded bone cement spacer and internal fixation with a bone cement–coated locking plate. At second stage (T2), the spacer and the locking plate were removed following re-debridement, and IMN/PA was used as definitive fixation together with bone grafting. We evaluated the following clinical outcomes: infection recurrence, bone union time, complications, and the affected limb’s knee joint function. Results The median and quartiles of bone defect length was 7 (4.75–9.5) cm. Four patients required iterative debridement for infection recurrence after T1. The median of interval between T1 and T2 was 10 (9–19) weeks. At a median follow-up of 22 (20–27.5) months, none of the patients experienced recurrence of infection. Bone union was achieved at 7 (6–8.5) months in all patients, with one patient experiencing delayed union at the distal end of bone defect due to screws loosening. At the last follow-up, the median of flexion ROM of the knee joint was 120 (105–120.0)°. Conclusions For infected femoral shaft bone defects treated by the Masquelet technique, sequential internal fixation and IMN/PA for the reconstruction can provide excellent mechanical stability, which is beneficial for early functional exercise and bone union, and does not increase the rate of infection recurrence.

Introduction Intramedullary (IM) nailing is the treatment of choice for femoral shaft fractures, but nonunion rates have been reported to be as high as 12%. Surgical interventions for nonunion involve exchange nailing or plate augmentation. Recently, a combined treatment of exchange nailing and plate augmentation has demonstrated good results, but its comparative effectiveness remains unclear. This study aimed to compare the clinical and radiographic outcomes of three different surgical interventions for atrophic femoral shaft nonunion, and investigate the factors that affect bone healing after reoperation. Materials and methods A retrospective study was conducted at five university hospitals involving 149 patients with aseptic atrophic nonunion after IM nailing. These patients underwent reoperation with plate augmentation, exchange nailing, or combined treatment. Clinical and radiographic outcomes were assessed and compared according to reoperation procedure. Logistic regression analysis was performed to identify factors affecting persistent nonunion after reoperation. Results Of the cohort, 57 patients underwent plate augmentation, 64 underwent exchange nailing, and 28 received combined treatment. There were no significant differences in patient demographics among the groups. Exchange nailing produced a significantly lower union rate than did the combined treatment (82.8% vs. 100%, p = 0.016), whereas no significant difference was observed in the union rate and time to the union between plate augmentation and the combined treatment. Combined treatment showed the longest operative time and the greatest transfusion requirements. The risk factors for persistent nonunion included age, absence of autogenous bone grafts, and use of an exchange nailing technique. Conclusions Exchange nailing as a treatment for atrophic femoral shaft nonunion after IM nailing resulted in a lower union rate. The efficacy of the combined treatment requires further study, and persistent nonunion may be influenced by age, bone grafting, and surgical techniques. A comprehensive approach targeting both biological environment and mechanical stability is crucial in the treatment of atrophic femoral shaft nonunion.

Objective Femoral shaft nonunion after intramedullary nailing fixation remains a challenge for orthopedic surgeons. This study evaluated osteoperiosteal decortication and iliac bone grafting combined with wave plating as a treatment for aseptic atrophic nonunion of the femoral shaft after intramedullary nailing. Methods The study included 22 patients (two female, 20 male; mean age 40.8 years [range, 19–61]) with aseptic atrophic nonunion of the femoral shaft who underwent osteoperiosteal decortication and iliac bone grafting combined with wave plating between January 2016 and January 2020. Cases with infected nonunion, hypertrophic nonunion, and nonunion after plate osteosynthesis were excluded. Clinical outcomes were assessed retrospectively using the Samantha X-ray and Paley scale scores. Results The mean follow-up period was 18.8 months (range, 12–35). Bone union was achieved in all patients. The average clinical healing time was 5.7 months (range, 3–14). The mean Samantha X-ray score was 5.7 ± 0.45 and the Paley scores indicated excellent or good clinical results in all cases. One patient developed sterile wound leakage that resolved after a dressing change. Conclusions Osteoperiosteal decortication and bone grafting combined with wave plating is an excellent treatment for aseptic atrophic nonunion of the femoral shaft after intramedullary nailing.

Objective Aseptic femoral shaft nonunion constitutes approximately 1%–10% of all femoral shaft fractures treated with intramedullary nail (IMN) fixation, possibly attributable to the lack of anti‐rotational stability. Although a lateral locking plate (LP) with retainment of original IMN has shown the most success, lateral LP inflicts significant surgical trauma on patients. Therefore, the Multidimensional Cross Locking Plate (MDC‐LP) was designed based on a mini‐open femoral anterior approach. We aim to report and compare the technical aspects and clinical outcomes of using anterior MDC‐LP or lateral LP with retention of original IMN for the treatment of aseptic femoral shaft nonunion. Methods In this single center retrospective cohort study, records of 49 patients who had undergone revision of femoral shaft aseptic nonunion with anterior MDC‐LP or lateral LP while retaining the original IMN from January 2015 to October 2019 were retrospectively reviewed. Information on patients' demographics, clinical data, and surgical outcomes were gathered and analyzed. X‐ray and CT scans were used for bone union evaluation and the lower extremity functional scale (LEFS) was used for follow‐up functional evaluation. For quantitative data, the Student's t‐test was used if the data were normally distributed. The Mann–Whitney U‐test was used for non‐normally distributed data. For qualitative data, the Chi‐square test was used for comparisons. Results Twenty‐seven patients were treated with anterior MDC‐LP, and 22 patients were treated with lateral LP. There are no significant differences in age, sex, BMI, time since initial femoral shaft fracture, initial fracture type (close/open), nonunion type, or nonunion location between patients' group. Among patients treated with anterior MDC‐LP, an average of 2‐months advantage in time to union was observed (4.09 months vs. 6.8 months in the lateral LP group: P = 0.000), smaller incision was required for MDC‐LP installment (7.7 cm vs 17.1 cm in lateral LP group: P = 0.000). Conclusions For the treatment of aseptic femoral shaft nonunion with retainment of original IMN, anterior MDC‐LP via mini‐open femoral anterior approach described in this study is a better option than lateral LP for achieving faster bone union and satisfactory functional outcome with less surgical trauma. Muti‐dimensional cross locking plate (MDC‐LP) was positioned on anterior surface of the femur, designed to be anatomically compatible with anterior surface and anterior curve of the femur. MDC‐LP provides multidimensional cross stability via bi‐cortical screw fixation. In sagittal plane, proximal locking screws are pointed proximally and distal locking screws distally. In coronal plane, locking screws are drilled at a 30° divergent angle to clamp original IMN. MDC‐LP provides anti‐rotational stability through more bi‐cortical screw fixation. In addition, bi‐cortical screw fixation decreases the width of the medullary cavity away from the isthmic areas, which resists the displacing muscular forces of adductor muscle.

Introduction : This study aims to evaluate the results of plate augmentation and bone grafting without removing the nail in the treatment of nonunited, nailed femoral shaft fractures. Methods : Twenty patients with atrophic nonunion femoral shaft fractures initially fixed by intramedullary nail were treated by augmentation plating and iliac bone graft with retention of the nail. Patients were evaluated at regular intervals using an X-ray and Wu scoring system, which assesses clinical and radiological signs of healing. Results : All 20 patients achieved bony union at a mean time of 4.9 months (3–8 months). According to Wu’s score, 12 cases showed excellent results, and 8 cases obtained good results with no complications recorded. Conclusion : augmentation plating and iliac bone graft provide a good and safe method of treatment of previously nailed and non-united femoral shaft fractures. Level of evidence : Level 4; Case Series.

IntroductionExchange nailing is most acceptable for treating hypertrophic non-union of the long bones, requiring the removal of previously fixed implant. However, its main effect of mechanical stabilization is controversial in non-isthmal area. We hypothesized that minimally invasive plate augmentation over the non-union site may have a better option, without the need of bone grafting or removing pre-existing implants.Materials and methodsSeventeen patients with hypertrophic non-union of the long bones between 2010 and 2014 on radiography who previously underwent intramedullary (IM) nailing or plate osteosynthesis for long-bone fractures were included. A locking compression plate was inserted with at least three mono- or bicortical screws at each proximal and distal segment. Broken or loosened interlocking screws of IM nail were simultaneously re-fixed. Fracture site exposure, pre-fixed implant removal, and bone grafting were not performed. We investigated whether union occurred and analyzed functional outcomes and complications.ResultsEleven femoral and six tibial non-unions were prospectively included. In the pre-existing implants, 13 nails and 4 plates were found. All cases achieved union at a mean 22.7 weeks. One case of superficial infection was managed with oral antibiotics. Deep infection or implant failure did not occur.ConclusionsMinimally invasive plate augmentation can achieve additional stability and promote healing of hypertrophic non-union of the long bones. When indicated, this technique is the least invasive alternative to exchange nailing and reduces surgical risks in the treatment of diaphyseal non-union.

ObjectiveThe aim of the current study was to determine whether plate augmentation was a successful treatment algorithm for selected femoral nonunions initially managed with intramedullary nailing.Materials and methodsA total of 30 femoral nonunion cases were managed using the plate augmentation strategy with 13 primary cases and 17 multi-operated femurs (avg 2.8 ineffective procedures). Adjunctive strategies included autologous bone grafting and/or BMP for atrophic/oligotrophic and bone defect cases. Deformity correction was performed when required.ResultsOsseous union occurred in 29 of 30 cases. One multi-operated case with bone defect and prior infection required repeat autologous grafting prior to union.ConclusionPlate augmentation should be added to the armamentarium for management of selected femoral nonunion that have failed initial intramedullary nailing.

The treatment of a large segmental defect of over 6 cm in a long bone is a challenging procedure. Treatment options include cancellous bone graft (e.g., the Masquelet technique), vascularized fibular graft (VFG), and internal bone transport (IBT) with an external fixator. These methods may be performed with intramedullary (IM) nailing or plate fixation to enhance stability or to lessen the time of external fixation. Each method has its own advantages and limitations. This study aimed to describe the advantages of additional plate augmentation and autologous bone grafting after IM nail implantation. Three patients with large segmental femoral bone defects were treated with IM nail implantation; then, one- or two-stage autologous iliac bone grafting with additional plate augmentation was performed. All patients achieved bony union without metal failure. We describe a technique involving additional plate augmentation and autologous iliac bone grafting for treating large femoral defects after restoring the length of the femur using an IM nail implantation and an external fixator.