Nail insertion points in semi-extended nailing of tibial fractures and their influence on alignment: A retrospective cohort study comparing two nail insertion techniques

Yasuda, Tomohiro; Sato, Kaoru; Ken, Yamazaki; Arai, Masayuki; Shinohara, Daichi; Taisuke, Yoneya; Minagawa, Yuuto; Samejima, Yuki; Okamoto, K.; Irie, Yuko; Shiobara, Kyosuke; Kusaba, Atsushi; Kawasaki, K.; Hayashi, Junji; Obara, Shu; Kanzaki, Koji; Inagaki, Kenji

doi:10.1016/j.injury.2022.06.033

Cited by 1 publication

(1 citation statement)

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“…Radiographs that were used for assessment were evaluated for rotational disparity using a method previously studied by Byun and Jung 26 , whereby a true anteroposterior projection was identified when the point of overlap between the cortical margin of the lateral condyle of the proximal tibia and of the proximal fibula was lateral to or matched a plumb line dropped from the proximal tip of the fibula. All included anteroposterior radiographs had a satisfactory orientation when evaluated using this method 26,27 .…”

Section: Nail Insertion Pointmentioning

confidence: 99%

Outcome Following Intramedullary Nailing of Tibial Diaphyseal Fractures

Makaram,

Sheppard,

Leow

et al. 2023

Journal of Bone and Joint Surgery

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Background: The primary aim of this study was to compare the radiographic parameters (nail insertion-point accuracy [NIPA] and fracture malalignment) of patients who had undergone tibial intramedullary nailing via the suprapatellar (SP) and infrapatellar (IP) approaches. The secondary aims were to compare clinical outcomes and patient-reported outcomes (PROs) between these approaches. Methods: All adult patients with an acute tibial diaphyseal fracture who underwent intramedullary nailing at a single level-I trauma center over a 4-year period (2017 to 2020) were retrospectively identified. The nailing approach (SP or IP) was at the treating surgeon’s discretion. Intraoperative and immediate postoperative radiographs were reviewed to assess NIPA (mean distance from the optimal insertion point) and malalignment (≥5°). Medical records and radiographs were reviewed to evaluate the rates of malunion, nonunion, and other postoperative complications. The Oxford and Lysholm Knee Scores (OKS and LKS) and patient satisfaction (0 = completely dissatisfied, 100 = completely satisfied) were obtained via a postal survey at a minimum of 1 year postoperatively. Results: The cohort consisted of 219 consecutive patients (mean age, 48 years [range, 16 to 90 years], 51% [112] male). There were 61 patients (27.9%) in the SP group and 158 (72.1%) in the IP group. The groups did not differ in baseline demographic or injury-related variables. SP nailing was associated with superior coronal NIPA (p < 0.001; 95% confidence interval [CI] for IP versus SP, 1.17 to 3.60 mm) and sagittal NIPA (p < 0.001; 95% CI, 0.23 to 0.97 mm) and with a reduced rate of malalignment (3% [2 of 61] versus 11% [18 of 158] for IP; p = 0.030). PROs were available for 118 of 211 patients (56%; 32 of 58 in the SP group and 86 of 153 in the IP group) at a mean of 3 years (range, 1.2 to 6.5 years). There was no difference between the SP and IP groups in mean OKS (36.5 versus 39.6; p = 0.246), LKS (71.2 versus 73.5; p = 0.696), or satisfaction scores (81.4 versus 79.9; p = 0.725). Conclusions: Compared with IP nailing, SP nailing of tibial shaft fractures was associated with superior NIPA and a reduced rate of intraoperative malalignment but not of malunion at healing. However, the superior NIPA may not be clinically important. Furthermore, there were no differences in PROs at mid-term follow-up. Level of Evidence: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.

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Section: Nail Insertion Pointmentioning

confidence: 99%