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  • Title: Delayed reconstruction of acetabular fractures 21-120 days following injury.
    Author: Johnson EE, Matta JM, Mast JW, Letournel E.
    Journal: Clin Orthop Relat Res; 1994 Aug; (305):20-30. PubMed ID: 8050229.
    Abstract:
    A retrospective review was performed of 207 patients treated by delayed reconstruction of acetabular fracture between 21 and 120 days following injury. Nineteen patients were lost to followup. One hundred eighty seven patients had 188 fractures classified as follows; 35 posterior wall, 9 posterior column, 5 anterior wall, 4 anterior column, 13 transverse, 49 transverse/posterior wall, 21 T shape, 8 posterior column/posterior wall, 8 anterior column posterior hemitransverse, and 34 both column fractures. The average preoperative delay was 43 days. Followup averaged 6.5 years (range, 9 months-30 years). Overall good to excellent results were achieved in 65% of patients, fair in 9%, and poor in 26%. Good to excellent results by fracture type were; posterior wall (51%), posterior column (89%), anterior wall (60%), anterior column (100%), transverse (69%), transverse/posterior wall (59%), T shape (62%), posterior column/posterior wall (88%), anterior column/posterior hemitransverse (75%), and both column (72%). Heterotopic ossification developed in 49 of 168 patients without prophylactic treatment, in 6 of 12 treated prophylactically with diphosphonate, and in 2 of 27 receiving prophylactic indomethacin therapy. There were 20 postoperative sciatic nerve palsies, 3 immediate and 5 delayed infections, 5 cases of pulmonary embolism, and 26 cases of avascular necrosis. Delayed management of acetabular fractures increases the difficulty of operative treatment and may result in a significant reduction in good to excellent results. Simple anterior or posterior wall fractures, associated transverse + posterior wall fractures, and T shape fractures have an increased risk of failure when treated within this time period.
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