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find Author "FU Bingjin" 4 results
  • Effectiveness comparison of a new hook-shaped anatomical locking plate and conventional anatomical locking plate in treatment of Danis-Weber type A lateral malleolus fractures

    Objective To investigate the effectiveness of a new hook-shaped anatomical locking plate in the treatment of Danis-Weber type A lateral malleolus fractures. Methods A retrospective analysis was performed on the clinical data of 45 patients with Danis-Weber type A lateral malleolus fractures who met the selection criteria between November 2020 and November 2022. According to the surgical methods, they were divided into the observation group (treated with the new hook-shaped anatomical locking plate, 23 cases) and the control group (treated with the conventional lateral malleolus anatomical locking plate, 22 cases). There was no significant difference in baseline data such as gender, age, cause of injury, Danis-Weber type of fracture, time from injury to operation, and combined ligament injury between the two groups (P>0.05). The operation time, partial weight-bearing time, return to work time, and postoperative complications were recorded and compared between the two groups. The function and pain of ankle joint were evaluated by the range of motion of ankle dorsiflexion, plantarflexion, varus, valgus, and visual analogue scale (VAS) score at 1 and 3 months after operation, and at last follow-up, and the American Orthopaedic Foot and Ankle Society (AOFAS) score at 3 months after operation and at last follow-up. Results All patients were followed up 10-18 months (mean, 15.1 months). There was no significant difference in operation time between the two groups (P>0.05); the postoperative partial weight-bearing time and return to work time of the observation group were significantly earlier than those of the control group (P<0.05). During the follow-up, there was 1 case of joint stiffness in the observation group, and 1 case of joint surface displacement, 1 case of joint stiffness, and 1 case of traumatic arthritis in the control group. There was no significant difference in the incidences of complications between the two groups (P>0.05). With the extension of time after operation, the range of motion of ankle dorsiflexion, plantarflexion, varus, valgus, and VAS score of the two groups gradually improved, and there were significant differences between different time points (P<0.05); At 1 and 3 months after operation, the above indexes in the observation group were significantly better than those in the control group (P<0.05), and there was no significant difference between the two groups at last follow-up (P>0.05). The difference of AOFAS score between the last follow-up and 3 months after operation in the observation group was significantly better than that in the control group (P<0.05). ConclusionCompared with the conventional lateral malleolus anatomical locking plate, the new hook-shaped anatomical locking plate has a more reliable fixation effect in the treatment of Danis-Weber type A lateral malleolus fracture, which is conducive to early functional exercise of the ankle joint, so that patients can bear weight earlier and return to work earlier, and the operation time is not significantly prolonged, and the effectiveness is satisfactory.

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  • TightRope elastic fixation combined with functional total repair of inferior tibiofibular ligament in treatment of distal tibiofibular syndesmosis injury

    Objective To study the effectiveness of TightRope elastic fixation combined with functional total repair of the inferior tibiofibular ligament in the treatment of distal tibiofibular syndesmosis injury. Methods The clinical data of 34 patients with distal tibiofibular syndesmosis injury who met the selection criteria between January 2020 and January 2022 were retrospectively analyzed, and they were divided into improved group (TightRope elastic fixation combined with functional total repair of inferior tibiofibular ligament) and control group (distal tibiofibular screw fixation) according to the surgical methods, with 17 cases in each group. There was no significant difference in age, gender, body mass index, fracture type, and other baseline data between the two groups (P>0.05). The operation time, intraoperative blood loss, and complications were recorded in the two groups. The American Orthopaedic Foot and Ankle Society (AOFAS) score, ankle metatarsal flexion and dorsal extension range of motion were used to evaluate the ankle function. The patient satisfaction survey was conducted at last follow-up. Results All 34 patients were followed up 8-20 months, with a median of 13 months. The operation time and intraoperative blood loss in the improved group were significantly longer than that in the control group (P<0.05). In the improved group, no infection or poor reduction occurred, and only 1 patient had TightRope knot reaction at 6 months after operation. In the control group, there were 2 cases of poor reduction, 1 case of lower tibiofibular screw rupture, and 1 case of subcutaneous infection (cured after anti-infection treatment). There was no significant difference in the incidence of complications between the two groups (P>0.05). At last follow-up, the AOFAS score and ankle metatarsal flexion and dorsal extension range of motion of the improved group were significantly better than those of the control group (P<0.05). The satisfaction rates of patients in the improved group and the control group were 94.1% and 82.4%, respectively, showing significant difference (P<0.05). Conclusion TightRope elastic fixation combined with functional total repair of inferior tibiofibular ligament in the treatment of distal tibiofibular syndesmosis injury has sufficient fixation strength, and can achieve better effectiveness and joint function compared with traditional screw fixation.

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  • Comparison of the effectiveness of two kinds of surgeries for treatment of flexible flatfoot combined with painful accessory navicular bone in children

    ObjectiveTo compare the effectiveness of subtalar arthroereisis (STA) combined with modified Kidner procedure versus STA alone in the treatment of flexible flatfoot combined with painful accessory navicular bone in children. MethodsThe clinical data of 33 children with flexible flatfoot combined with painful accessory navicular bone who were admitted between August 2018 and August 2021 and met the selection criteria were retrospectively analyzed. They were divided into a combination group (17 cases, treated by STA combined with modified Kidner procedure) and a control group (16 cases, treated by STA alone) according to the surgical methods. There was no significant difference in baseline data between the two groups (P>0.05), such as gender, age, affected side of the foot, disease duration, and preoperative visual analogue scale (VAS) score, American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score, talus-first metatarsal angle (T1MT), talus-second metatarsal angle (T2MT), talonavicular coverage angle (TCA), talus first plantar angle (Meary angle), calcaneal inclination angle (Pitch angle), and heel valgus angle (HV). The operation time, incision length, intraoperative blood loss, number of intraoperative fluoroscopies, and perioperative complications were recorded in both groups. The anteroposterior, lateral, and calcaneal axial X-ray films for the affected feet were taken regularly, and T1MT, T2MT, TCA, Meary angle, Pitch angle, and HV were measured. The VAS score, AOFAS ankle-hindfoot score were used to evaluate pain and functional recovery before and after operation. ResultsSurgeries in both groups were successfully performed without surgical complication such as vascular, nerve, or tendon injuries. Less operation time, shorter incision length, less intraoperative blood loss, and fewer intraoperative fluoroscopies were found in the control group than in the combination group (P<0.05). One case in the combination group had partial necrosis of the skin at the edge of the incision, which healed after the dressing change and infrared light therapy, and the rest of the incisions healed by first intention. All children were followed up 12-36 months, with a mean of 19.6 months. At last follow-up, VAS score and AOFAS ankle-hindfoot score significantly improved in both groups when compared with preoperative ones (P<0.05), and the differences of these scores between before and after operation improved more significantly in the combination group than in the control group (P<0.05). Imaging results showed that the T1MT, T2MT, TCA, Meary angle, and HV significantly improved in both groups at last follow-up when compared with preoperative ones (P<0.05), and the Pitch angle had no significant difference when compared with preoperative one (P>0.05). But there was no significant difference in the difference of these indicators between before and after operation between the two groups (P>0.05).ConclusionBoth procedures are effective in the treatment of flexible flatfoot children with painful accessory navicular bone. STA has the advantage of minimally invasive, while STA combined with modified Kidner procedure has better effectiveness.

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  • Effectiveness comparison of supramalleolar osteotomy and ankle arthrodesis in treatment of inverted ankle osteoarthritis in Takakura 3A stage with talus tilt

    Objective To compare the effectiveness of supramalleolar osteotomy (SMOT) and ankle arthrodesis (AA) in the treatment of inverted ankle osteoarthritis (OA) in Takakura 3A stage with talus tilt. Methods The clinical data of 41 patients with inverted ankle OA in Takakura 3A stage with talus tilt admitted between January 2016 to January 2020 and met the selection criteria were retrospectively analyzed, and they were divided into SMOT group (21 cases) and AA group (20 cases) according to the surgical method. There was no significant difference in baseline data such as gender, age, affected side, cause of injury, and preoperative talar tilt angle (TT), American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score, visual analogue scale (VAS) score, short-form 36 health survey scale (SF-36) score, and sagittal range of motion (ROM) between the two groups (P>0.05). The operation time, intraoperative blood loss, partial weight-bearing time, and complications were recorded in the two groups. AOFAS ankle-hindfoot score, VAS score, SF-36 score, and sagittal ROM were used to evaluate the effectiveness. Bone healing was observed and the time of bony healing was recorded. In the SMOT group, the tibial lateral surface angle (TLS), TT, and the tibial articular surface angle (TAS) were measured on ankle joint weight-bearing anteroposterior and lateral X-ray films and compared with those before operation. And Takakura staging assessment was also performed. ResultsThe operation time and intraoperative blood loss in AA group were significantly less than those in SMOT group (P<0.05). Patients in both groups were followed up 24-36 months, with an average of 28.9 months. Incision infection occurred in 2 patients in SMOT group and 1 patient in AA group, respectively, and no vascular or nerve injury occurred in both groups. The partial weight-bearing time of SMOT group was significantly less than that of AA group (P<0.05), but there was no significant difference in bony healing time between the two groups (P>0.05). At last follow-up, the difference of VAS score and SF-36 score before and after operation of AA group were less than those of SMOT group, and the difference of sagittal ROM before and after operation in SMOT group was less than that of AA group, with significant differences (P<0.05). The difference of AOFAS ankle-hindfoot score before and after operation in AA group was slightly greater than that in SMOT group, but the difference was not significant (P>0.05). The above scores in both groups significantly improved when compared with those before operation (P<0.05). Sagittal ROM in AA group was significantly less than that before operation (P<0.05), while there was no significant difference in SMOT group (P>0.05). In the SMOT group, 17 patients (81.0%) showed improvement in imaging staging, 2 patients (9.5%) showed no improvement in staging, and 2 patients (9.5%) showed stage aggravation. TLS, TAS, and TT significantly improved when compared with those before operation (P<0.05). At last follow-up, 2 patients in SMOT group received AA due to pain and stage aggravation, and 1 patient with bone nonunion underwent bone graft. Subtalar joint fusion was performed in 1 case of subtalar arthritis in AA group.Conclusion For inverted ankle OA in Takakura 3A stage with talus tilt, both SMOT and AA can significantly releave pain, improve foot function and quality of life, but AA has more definite effectiveness and better patient satisfaction.

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