A Biomechanical Comparison of Locked Plate Fixation With Percutaneous Insertion Capability Versus the Angled Blade Plate in a Subtrochanteric Fracture Gap Model

Crist, Brett D.; Khalafi, Afshin; Hazelwood, Scott J.; Lee, Mark A.

doi:10.1097/bot.0b013e3181a2a31d

Cited by 65 publications

(58 citation statements)

References 42 publications

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“…The mean time to union was 17 weeks (range [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] in the PFLP group ( Figure 1) and 18 weeks (range 16-32) in the ABP group (Figure 2). The mean ASA score was 2.7 and 3.1 in the PFLP and ABP groups, respectively.…”

Section: Resultsmentioning

confidence: 99%

“…[4,11,12,14] Recently, the proximal femoral locking plates (PFLPs) which have a fixed-angle stable construct and high pull-out strength have been developed to minimize possible complications in such fractures. [2,3,5,6,8,15,16] Biomechanical studies indicate that PFLP provides either more axial stiffness, [17,18] less torsional stiffness, [17] or similar results [19] compared to ABPs. On the other hand, PFLPs are three times more expensive compared to ABPs.…”

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confidence: 99%

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A comparison of proximal femoral locking plate versus 95-degree angled blade plate in the treatment of reverse intertrochanteric fractures

Azboy

Demirtaş

Gem

et al. 2014

Eklem Hastalik Cerrahisi

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The mean time to union was 17 weeks (range 14-28) and 18 weeks (range 16-32) in the PFLP group and ABP group, respectively. Implant failure and/or nonunion was observed in two patients (10%) in the PFLP group and in three patients (12%) in the ABP group. There was no statistically significant difference between the groups with regard to the Harris hip scores, time to union, need for reoperation due to mechanical problems, and complication rates (p>0.05). Conclusion: Our study results show that these two fixation methods seem to produce similar results in the treatment of reverse intertrochanteric fractures with greater trochanteric comminution. However, we suggest that ABP still remains as a good choice with less expense in such fractures.

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Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 99%

A comparison of proximal femoral locking plate versus 95-degree angled blade plate in the treatment of reverse intertrochanteric fractures

Azboy

Demirtaş

Gem

et al. 2014

Eklem Hastalik Cerrahisi

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“…In patients with a small proximal femur, one of the 3 neck screws may have to be inserted using a free-hand technique, as the jig is too big for the femur. 5 This may lead to a slight mismatch of the threads of the screw hole in the plate and those on the locking screw head, which results in the screw not being fully locked. Bone grafting for the posteromedial void was not attempted in our series.…”

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confidence: 99%

“…4. The 'kickstand' screw has greater axial stiffness and lesser torsional stiffness, 5 but its use to reduce the risk for mechanical failure cannot be established. 6 What is the authors' opinion regarding this?…”

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confidence: 99%

Proximal Femoral Locking Plate versus Dynamic Hip Screw for Unstable Intertrochanteric Femoral Fractures

Upadhyay

Raza

2014

J Orthop Surg (Hong Kong)

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“…The PFLP had the least irreversible deformation (6.3 mm), which was 52% less than the broad plate .Conclusion are that the PFLP provides more axial stiffness, less torsional stiffness, and equivalent irreversible deformation to cyclic axial loading when compared with the blade plate. 16 In 2009 McGrory BJ, Lucas R in his study of stable fixation for healing of the greater trochanter, he presented a novel and straight forward locking plate technique that we currently use to achieve fixation. The technique uses implants that are readily available, and can be employed.…”

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confidence: 99%

Study of proximal femoral locking compression plate in extra capsular fracture neck of femur

Ravi

Saheb

2015

Int J Res Med Sci

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Background:The hip joint transmits weight several times that of the body weight particularly during running, functioning as both a highly mobile and very stable joint. In weight bearing the pressure forces are transmitted to the head and neck of the femur at an angle of 1650 to 1700, regardless of the position of pelvis. The planes of force coincide with strongly developed trabeculae. The reacting force normally runs perpendicular to the cartilaginous epiphyseal plate. The mechanism of bone failure in a structure will fail if it suffers an overload situation. An overload situation will occur if the system is unable to absorb the energy that is applied to it. In the hip joint area this overload situation can occur as a result of number of independent but often interrelated factors. The present work is conducted to study the; profiles of patients with extra capsular fracture neck of femur, efficiency and outcome of fractures treated with Proximal Femoral Locking Compression Plate (PFLCP), intra -operative & post-operative complication following management of extra capsular fracture neck of femur with Proximal Femoral Locking Compression Plate. Methods: This is a prospective study of 21 cases of extra capsular fracture neck of femur admitted to Victoria and Bowring and Lady Curzon Hospitals, Bangalore, treated with PFLCP. Results: In our study of 21 cases, cases 13 cases were intertrochanteric fracture and remaining 8 were subtrochanteric fracture with the mean age was 51.47 years. Minimum age was 19 years and maximum age was 85 years. 14 patients (67%) were males and 7 patients (33%) were females, 13 IX patients (62%) had right-sided fracture and 8 patients (38%) had left-sided fracture. with right side being more common side affected. The average duration of stay in the hospital was 25.31 days. The average follow up was 18 months [11 to 23 months]. Out of 21 patients in our study 16 patients (76%) are able to sit cross-legged and can squat on ground without any problem. The functional results were graded according to Harris Hip Scoring, In our study, 10 patients (48%)had excellent results, 8 patients (38%)had good results, 2 patients (10%)had poor result, and 1 failed case (5%) as she is an elderly female of 85 years with limited activity both preoperatively due to physiological age and general weakness. Conclusions: In conclusion the potentiality of the Proximal Femoral Locking Compression Plate (PF-LCP) in varied indications, shows its versatility. Although not free of complications our study has demonstrated excellent results. The procedure offers, faster mobilization, rapid return to activities of daily living, improves the quality of life and gave a long term solution in patients with extracapsular fracture neck of femur. Larger studies with longer follow up will further validate the procedure.

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A Biomechanical Comparison of Locked Plate Fixation With Percutaneous Insertion Capability Versus the Angled Blade Plate in a Subtrochanteric Fracture Gap Model

Abstract: Our data reveal that the PFLP with the "kickstand" screw provides more axial stiffness, less torsional stiffness, and equivalent irreversible deformation to cyclic axial loading when compared with the blade plate.

Cited by 65 publications

References 42 publications

A comparison of proximal femoral locking plate versus 95-degree angled blade plate in the treatment of reverse intertrochanteric fractures

A comparison of proximal femoral locking plate versus 95-degree angled blade plate in the treatment of reverse intertrochanteric fractures

Proximal Femoral Locking Plate versus Dynamic Hip Screw for Unstable Intertrochanteric Femoral Fractures

Study of proximal femoral locking compression plate in extra capsular fracture neck of femur

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