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International Orthopaedics

, Volume 42, Issue 12, pp 2907–2914 | Cite as

Lateral locked plating for distal femur fractures by low-energy trauma: what makes a difference in healing?

  • Sang-Min Kim
  • Jae-Woo Yeom
  • Hyung Keun Song
  • Kyu-Tae Hwang
  • Ji-Hyo Hwang
  • Je-Hyun Yoo
Original Paper

Abstract

Purpose

The objective of this study is to investigate healing outcome of lateral locked plating for distal femoral fractures caused by low-energy trauma. In addition, we sought to determine predictable factors associated with fracture healing time.

Methods

Seventy-three patients (73 fractures) with distal femur fractures (AO/OTA type 33) caused by low-energy trauma were recruited. The mean age of patients was 69.8 years (range, 43–87 years). All fractures were stabilized by less invasive osteosynthesis with anatomical periarticular locking system. Patients were followed up for mean 17.3 months (range, 6–44 months).

Results

Of the 73 fractures, 52 (71.2%) fractures showed bony union within 6 months after the index surgery while the remaining 21 (28.8%) fractures showed delayed union or received revision surgery prior to complete healing. Although overall healing rate from the initial surgery was 93.2% (68/73), which seems to be satisfactory, the rate of surgical complications was 11.0% (8/73). Of all 73 fractures, seven received further surgery including three re-osteosynthesis. On multivariable analysis, plate-screw density at the fracture site was an independent predictable factor associated with the problematic healing.

Conclusions

Our findings suggest that complications related to increased healing time and fixation construct are not infrequent and ongoing problems in managing low-energy distal femur fractures. Specifically, plate-screw density at the fracture site has a significant influence on healing time in these fractures.

Keywords

Distal femur fracture Low-energy trauma Lateral locked plating 

Notes

Compliance with ethical standards

This study was approved by the institutional review board.

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© SICOT aisbl 2018

Authors and Affiliations

  1. 1.Department of Orthopaedic Surgery, Korea University Guro HospitalKorea University School of MedicineSeoulSouth Korea
  2. 2.Department of Orthopaedic SurgerySeoul Medical CenterSeoulSouth Korea
  3. 3.Department of Orthopaedic SurgeryAjou University School of MedicineSuwonSouth Korea
  4. 4.Department of Orthopaedic SurgeryHanyang University HospitalSeoulSouth Korea
  5. 5.Department of Orthopaedic Surgery, Kangnam Sacred Heart HospitalHallym University College of MedicineSeoulSouth Korea
  6. 6.Department of Orthopaedic Surgery, Hallym University Sacred Heart HospitalHallym University College of MedicineAnyangSouth Korea

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