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J Orthop Trauma. 2015 Sep;29(9):e331-5. doi: 10.1097/BOT.0000000000000341.

Role of Appositional Screw Fixation in Minimally Invasive Plate Osteosynthesis for Distal Tibial Fracture.

Author information

1
Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Korea.

Erratum in

  • J Orthop Trauma. 2015 Nov;29(11):e458.

Abstract

OBJECTIVES:

To determine the effect of interfragmentary appositional (gap-closing) screw fixation in minimally invasive plate osteosynthesis (MIPO) for distal tibial fractures on the clinical and radiologic results.

DESIGN:

Prospective nonrandomized study.

SETTING:

Level I trauma center.

PATIENTS:

Sixty patients who were diagnosed as distal metadiaphyseal oblique or spiral tibial fracture without displaced articular fragment.

INTERVENTION:

Thirty patients (group A) of the 60 patients were treated with MIPO without appositional screw fixation, and the other 30 (group B) were treated with the screw.

MAIN OUTCOME MEASUREMENTS:

Radiologic union, clinical union, clinical functional score [American Orthopaedic Foot and Ankle Society (AOFAS) score], and complications.

RESULTS:

The time for initial callus formation and radiologic union was significantly longer in group A than those in group B (76.8 vs. 58.0 days, P = 0.044; 409 vs. 258.7 days, P = 0.002, respectively). The rate of clinical union during 1 year was significantly higher in group B than in group A (P = 0.0063). Four nonunion patients in group A achieved bone union after placement of an additional bone graft. None of the patients in group B diagnosed with delayed union or nonunion (P < 0.001). None of the patients of both groups had malreduction, skin problems, or infection. Overall, the AOFAS score did not significantly differ between groups A and B (85.4 vs. 87.0, P = 0.43).

CONCLUSIONS:

The use of additional interfragmentary appositional screw fixation in distal tibia MIPO for the fixation of oblique or spiral fracture promoted callus formation and union rate compared with MIPO without appositional screw fixation.

LEVEL OF EVIDENCE:

Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.

PMID:
25898791
DOI:
10.1097/BOT.0000000000000341
[Indexed for MEDLINE]

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