We have managed 21 patients with a fracture of the tibia complicated by bone and soft-tissue loss as a result of an open fracture in 10, or following debridement of an infected nonunion in 11, by resection of all the devitalised tissues, acute limb shortening to close the defect, application of an external fixator and metaphyseal osteotomy for re-lengthening. The mean bone loss was 4.7 cm (3 to 11). The mean age of the patients was 28.8 years (12 to 54) and the mean follow-up was 34.8 months (24 to 75). All the fractures united with a well-aligned limb. The mean duration of treatment for the ten grade-III A+B open fractures (according to the Gustilo-Anderson classification) was 5.7 months (4.5 to 8) and for the nonunions, 7.6 months (5.5 to 12.5). Complications included one refracture, one transient palsy of the peroneal nerve and one equinus contracture of 10 degrees .
Background:Severe open tibial fractures are more apt to be followed by complications even with the universally accepted lines of treatment. The present study investigated the role of external skeletal fixation, based on Ilizarov techniques, in the management of the sequelae of open tibial fractures with modifications to meet the requirements of each case.Materials and Methods:We reviewed the results of treatment of 148 cases of late presentation with complicated open tibial fractures. Their ages ranged from 12 to 74 years (average, 34 years). Active infection was present in 40 cases. We performed acute shortening and relengthening in 60 cases; excision of nonunion, acute deformity correction, and lengthening for nonunion with deformity in 30 cases; segmental excision and bone transport in 20 cases; gradual deformity correction after osteotomy in 15 cases; and distraction and gradual deformity correction for hypertrophic nonunion with deformity in 23 cases. Ilizarov external fixator was used in 96 (65%) cases, and monolateral fixator was used in 52 (35%) cases. The mean follow-up was 35 months (range 24 to 118 months).Results:Fracture union was achieved in all cases (100%). Evaluation of results were based on both objective (clinical and radiological) and subjective criteria and patients' satisfaction. The results were satisfactory in 139 cases (94%) and unsatisfactory in nine (6%) cases because of residual leg length discrepancy, joint stiffness, and persistent pain.Conclusions:The use of external fixation, based on Ilizarov techniques, is invaluable in the management of difficult open tibia fractures. However, the technique should be tailored to the requirements of each case. The functional outcome is predetermined by the soft tissue status before treatment.
Purpose
Masquelet and Ilizarov techniques have their advantages and shortcomings in the reconstruction of bone defects. The aim of this study was to evaluate the effectiveness of the combination of both techniques for the management of infected tibial nonunion to combine the advantages of both techniques with avoidance of shortcomings of both of them.
Patients and methods
A prospective single-centre study was performed during the period from 2012 to 2019. Patients with the infected nonunion of the tibia with bone defect were included. Patients with pathological fractures or non-infected bone loss were excluded. Management protocol for all patients consisted of two stages. The first stage was Masquelet induced membrane technique and the second stage was Ilizarov bone transport. The results were assessed based on both objective (clinical and radiographic evaluation) and subjective criteria (limb function and patient satisfaction).
Results
Thirty-two patients were included in this study. The mean size of the defect was 6 cm. Ilizarov bone transport was done through the induced membrane chamber in all cases with an average follow-up of 28 months. Successful reconstruction without recurrence of infection was achieved in 30 cases (94%). No other bone or soft tissue procedure was needed with satisfactory functional outcome in 27 out of 30 cases (90%). Three cases had unsatisfactory results due to leg length discrepancy, joint stiffness, and persistent pain.
Conclusions
Masquelet–Ilizarov technique can be used for the management of infected nonunion tibia with high satisfactory results without the need for complex soft tissue procedures.
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