The Mennen femoral plate for fixation of periprosthetic femoral fractures following hip arthroplasty

Ahuja, Sashin; Chatterji, Sumit

doi:10.1016/s0020-1383(01)00112-7

Cited by 34 publications

(18 citation statements)

References 7 publications

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“…It is fixed to the bone by crimping clamps. Most studies found that the plate was unable to counter the medial compressive forces on the femur, leading to a varus collapse of the fracture [1,14]. The arms of the Ni-Ti SSEF can provide constant embracing force by virtue of shape memory.…”

Section: Discussionmentioning

confidence: 99%

“…The Mennen plate is a clamp-on plate and is not designed for stabilisation of weight-bearing bone fractures. Most studies have shown that use of the plate led to varus collapse in the fixation of periprosthetic femoral fractures [1,14]. Due to the problem of lack of space for screws around the stem, the plate is combined with cables to treat periprosthetic fracture, a system that is referred to as a Dall-Miles plate.…”

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confidence: 99%

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Nickel-titanium shape-memory sawtooth-arm embracing fixator for periprosthetic femoral fractures

Zhao

Zhu

Sun

et al. 2011

International Orthopaedics (SICOT)

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Purpose We reviewed data to determine outcomes for 21 consecutive Vancouver type B1 or type C periprosthetic fractures that we treated between 2001 and 2008 using a nickel-titanium shape-memory sawtooth-arm embracing fixator. Methods The study participants were 12 men and 9 women (mean age, 70.8 years; range, 42-85 years). The average duration of follow-up monitoring was 39.7 months (range, 1-78 months). In five cases, cables and screws were used for further stabilisation. No bone grafting was performed for any of the patients. Results Results were satisfactory, except for one patient who died one month after surgery from a cause unrelated to arthroplasty. Bone union was achieved in the remaining 20 cases within an average of 5.25 months. No implant failures or malunions occurred in any of the patients. The average Harris hip score at the final follow-up examination was 79.3 points. Conclusions Our results show that the embracing fixator is a valid alternative treatment for Vancouver type B1 or type C periprosthetic femoral fractures.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Nickel-titanium shape-memory sawtooth-arm embracing fixator for periprosthetic femoral fractures

Zhao

Zhu

Sun

et al. 2011

International Orthopaedics (SICOT)

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“…The results of management of periprosthetic fractures have varied greatly due to factors such as bone quality, fracture pattern and method of treatment including nonoperative measures, reduction-fixation, or revision surgery. These treatments have historically been fraught with a high incidence of complications, treatment failures, and compromised outcomes [1][2][3][4][5][6][7][8][9][10][11][12][13]. Despite these problems, surgical treatment has become the standard in treating the majority of periprosthetic femur fracture [14].…”

Section: Introductionmentioning

confidence: 99%

Periprosthetic Fractures of the Femur After Hip Arthroplasty: An Analysis of 99 Patients

et al. 2007

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The medical records and radiographs of 99 patients treated for a periprosthetic femur fracture after total hip arthroplasty over a 17-year period at a single institution were prospectively reviewed. Fractures were classified according to the Vancouver system and stratified as to treatment method. Sixty-six patients had complete records available and a minimum of 12 months follow-up. Overall, 86% of the patients achieved fracture union. The success rate of cemented revision in the B2 and B3 groups was 84%, whereas cement-less revision was 86% successful. The complication rate of surgical treatment was 29%. Fracture union with a stable implant was possible in the majority of cases. Our results support the use of the Vancouver classification as a treatment algorithm.

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“…Tadross achieved bony union in less than 50% of cases of periprosthetic fracture [36]. The Mennen plate system is not stable enough for use in this area; failure rates of between 75 and 100% are reported [19,38].…”

Section: Discussionmentioning

confidence: 99%

Polyaxial Locked Implants in the Treatment of Type Vancouver B1 Periprosthetic Fractures of the Femur: Retrospective Clinical Examination in 58 Cases with Review of the Literature

et al. 2009

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We concluded a retrospective study of the outcomes of a consecutive series of Vancouver B1 and C femoral injuries using two specific locked implants. The study center is a dedicated trauma hospital with a large catchment area. Over a five-year period we treated 58 patients with a periprosthetic fracture of the femur with an angular stable plate, defined as the index procedure. The mean age at the index procedure was 72.4 years; 40 patients were female (69%). In 32 cases (55.2%) we saw a hip endoprosthesis, in 21 cases (36.2%) a knee endoprosthesis, and in five cases both (8.6%). Outcome measures were intra- and postoperative complications, bony union, degree of mobility and social status with comparison to the preoperative status, Barthel index, and timed ''up and go'' test. Union occurred in 56 cases (96.5%) after the index procedure. Three patients were bedridden before the injury; the remainder regained full weight-bearing status. The mean duration until full weight-bearing status in these patients was 8.6 weeks (4-13). Early implant failure with proximal dislocation of the screws occurred in two cases (3.5% revision rate). At follow up, 78% had maintained the same social status as before the injury. Fifty-two patients (89%) had regained their previous level of mobility. The mean Barthel index was 85 points (70-100) out of a possible 100, and improved from a mean of 35 points at the start of rehabilitation. It decreased on average by ten points compared to the preoperative status. The mean ''up and go'' time was measured as 21.4 s. In conclusion, polyaxial plates can achieve excellent surgical results. On the other hand, patients with this type of injury exhibit a clear deterioration in their social status, especially regarding lower limb motor function and self-independence.

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The Mennen femoral plate for fixation of periprosthetic femoral fractures following hip arthroplasty

Cited by 34 publications

References 7 publications

Nickel-titanium shape-memory sawtooth-arm embracing fixator for periprosthetic femoral fractures

Nickel-titanium shape-memory sawtooth-arm embracing fixator for periprosthetic femoral fractures

Periprosthetic Fractures of the Femur After Hip Arthroplasty: An Analysis of 99 Patients

Polyaxial Locked Implants in the Treatment of Type Vancouver B1 Periprosthetic Fractures of the Femur: Retrospective Clinical Examination in 58 Cases with Review of the Literature

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