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1.
Chinese Journal of Orthopaedic Trauma ; (12): 231-235, 2019.
Artículo en Chino | WPRIM | ID: wpr-745103

RESUMEN

Objective To explore the efficacy of temporary titanium plate screwing for positional maintenance in reduction and internal fixation for displaced acetabular fractures.Methods A retrospective study was conducted of the 28 patients (28 hips) with displaced acetabular fracture who had been treated by open reduction and internal fixation from October 2013 to March 2016.They were 20 males and 8 females,aged from 24 to 68 years (average,42.3 years).The time from injury to surgery ranged from 7 to 21 days(average,14.5 days).According to the Letournel-Judet classification,there were 2 posterior column fractures,4 transverse fractures,5 posterior column plus posterior wall fractures,6 transverse plus posterior wall fractures,2 T-shaped fractures,3 anterior and posterior transverse fractures and 6 double column fractures.The posterior acetabular approach or combined anterior and posterior approach was used.In all the patients temporary titanium plate screwing was conducted to fix one side of the fracture so as to facilitate accomplishment of open reduction and internal fixation without losing the indirect anatomic reduction of the intraarticular fracture.After the open reduction and internal fixation was accomplished,the temporary screw fixation was removed in 26 patients but retained in 2 patients as needed.The reduction quality,complications and outcomes at the final follow-ups were recorded.Results All the 28 patients were followed up for 10 to 36 months (mean,15.6 months).By the Matta criteria,anatomical reduction was achieved in 26 cases,unsatisfactory reduction in one and poor reduction in one,yielding an anatomic reduction rate of 92.9%.By the improved Mere d'Aubigne & Postel criteria,the clinical outcomes at the final follow-up were excellent in 27 cases and good in one,yielding a good to excellent rate of 100%.Postoperatively,heterotopic ossification of different severities occurred in 11 cases but did not affect their joint function;transient paralysis of the sciatic nerve was reported in 6 cases but recovered 3 months after surgery.No complications like avascular necrosis of the femoral head or walking pain were observed during follow-ups.Conclusion Temporary fixation with titanium plate screws during open reduction and internal fixation for displaced acetabular fractures can effectively improve the reduction and fixation of the articular surface,leading to satisfactory short-term clinical outcomes.

2.
Chinese Journal of Trauma ; (12): 915-920, 2016.
Artículo en Chino | WPRIM | ID: wpr-502012

RESUMEN

Objective To investigate the clinical efficacy of preoperative full reset combined with minimally invasive treatment of extreme distal pilon fractures.Methods A retrospective analysis was made on 34 patients (35 ankles) with tibial fractures extremely close to the distal articular surface treated surgically between January 2011 and January 2015.There were 21 mnales and 13 females,aged 20-71 years (mean,36.2 years).Injury resulted from traffic accidents in 32 patients and high falls in two.Using the AO/OTA fracture classification system,type 43-B3 was noted in three patients,43-C1 in five patients,43-C2 in 18 patients and 43-C3 in eight patients.Calcaneal traction combined with manipulative reduction was used to correct fracture displacement preoperatively.All fractures were stabilized by minimally invasive percutaneous plate osteosynthesis (MIPPO) through single or combined medial,anteromedial and anterolateral approaches while minimizing damage to bone attachment and continuity of soft tissue,after soft tissue swelling subsided.For the patients with articular surface collapsing with severe comminution,a series of procedures were done under direct vision including using the talus articular surface as a mold,stable fixation with fine Kirschner (1-1.5 mm) and thin screws (2.1-2.7 mm series) and impaction bone grafting below subchondral bone.Thereafter,distal tibia anatomical short multi-directional locking plate fixation,distal nail support and early ankle joint functional exercise were done.Burwell-Charnley radiological evaluation system was used for radiological assessment,and TeenyWiss scoring system for ankle clinical symptoms and function.Postoperative complications were recorded.Results Follow-up lasted for 11-38 months (mean,16.6 months).No infection,wound disunion,or plate exposure occurred.Burwell-Charnley radiological evaluation system showed anatomic reduction in 32 patients,unsatisfactory reduction in one,and poor reduction in one.According to the Teeny-Wiss scoring system,the results were excellent in 31 patients,good in two and poor in one,with the excellentgood rate of 97%.Three patients suffered traumatic arthritis after operation and alleviated after oral administration of painkiller.Conclusion With use of full reset combined with manipulative reduction to correct fracture displacement,minimally invasive locking plate,distal row of nails,impaction bone grafting and limited fixation,the patients with extremely distal tibial pilon fractures achieve satisfactory reduction,stable fixation,and early functional exercise.

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