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Year : 2021  |  Volume : 36  |  Issue : 2  |  Page : 8-13

Evaluation of outcomes of distal femoral fractures treated by retrograde nailing technique

1 Department of Orthopaedics, Autonomous State Medical College, Mirzapur, Uttar Pradesh, India
2 Department of Orthopaedics, Uttar Pradesh University of Medical Sciences, Etawah, Uttar Pradesh, India
3 Department of Orthopaedics, All India Institute of Medical Sciences, Raebareli, Uttar Pradesh, India
4 Department of Orthopaedics, BRD Medical College, Gorakhpur, Uttar Pradesh, India
5 Department of Orthopaedics, Dr. RMLIMS, Lucknow, Uttar Pradesh, India

Correspondence Address:
Santosh Kumar Singh
Department of Orthopaedics, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jbjd.jbjd_8_21

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Background: Distal femur fractures are less common injuries accounting for approximately 1% of fractures in the elderly. They occur due to high-velocity injury in adults and simple fall in the elderly. Management of these type injuries in the elderly is more challenging because of osteoporosis. Retrograde nailing represents an established fixation method for fractures of the distal femur and offers an alternative to the existing technique of antegrade nailing. Materials and Methods: Prospective study of 70 patients, aged between 16 and 85 years, whose distal femoral fractures were treated with a retrograde femoral nail from December 2016 to November 2018 in the department of orthopedics of a tertiary care centre in North India were followed to assess the outcome of treatment. The fracture was caused by a motor-vehicle accident in 58 patients (82.85 percent) and a fall on the ground in 12 (17.14%). 26 (37.14%) of the fractures were open. All the patients were followed up at about 3 weeks, 6 weeks, 3 months, 6 months, and 1 year. On each visit pain, functional range of movements was noted and the union was assessed clinically and radiologically at regular intervals. Results: Out of 70 patients, 60 patients were males and the remaining patients were female. Twenty-six patients had open fractures and 44 patients had closed fractures. All the patients in our study united without any case of nonunion and knee infection. The mean time required to achieve union was 5.42 ± 2.48 months in closed fractures, while in open fractures, it was 5.7 ± 1.65 months. The mean range of knee movement in open fractures was from 15.0° ± 12.57° to 113.75° ± 14.69 °, while in closed fractures, it was from 5.38° ± 6.43° to 122.18° ± 15.0°. Five patients had loosening of the distal interlocking screws impinging on the skin. Based on the criteria recommended by Schatzker the outcome was assessed as excellent in 33 (47.14%) cases, good in 27 (38.57%) cases, and fair in 7 (10%) cases. The outcome in 3 (04.29%) cases was graded as poor. Conclusions: Retrograde intramedullary nailing makes possible a biological osteosynthesis of distal femoral fractures. It also produces good functional results even in elderly patients.

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