Analysis of fracture gap changes, dynamic and static stability of different osteosynthetic procedures in the femoral neck

Bonnaire, F.; Wéber, A.

doi:10.1016/s0020-1383(02)00328-5

Cited by 77 publications

(43 citation statements)

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“…Typically, three cancellous lag screws oriented along the femoral neck axis and parallel to each other are placed in an inverted triangle. This configuration is biomechanically superior to any other orientation and decreases the risk of subtrochanteric fracture [36][37][38][39][40][41][42][43]. As demonstrated by Lindequist et al [44••] and other previous authors, the first screw should be placed within 3 mm of the cortical calcar femorale to allow a three-point buttressing effect (with fixation in the dense subcortical femoral head, the calcar, and the lateral femoral cortex of entry) [45].…”

Section: Implant Choicementioning

confidence: 99%

“…Baitner et al [37] showed a greater load to failure and less displacement with use of a sliding hip screw compared to cannulated screws. Bonnaire and Weber [39] compared sliding hip screw fixation with or without a derotational screw with cancellous screws and a fixed angle blade plate in a cadaveric study to evaluate fixation in Pauwels Type III fractures. They demonstrated biomechanical superiority of the sliding hip screw with the derotational screw and recommend its use for high angle femoral neck fractures.…”

Section: Implant Choicementioning

confidence: 99%

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Contemporary management of femoral neck fractures: the young and the old

Forsh

Ferguson

2012

Curr Rev Musculoskelet Med

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The optimal management strategy for femoral neck fractures remains highly debated. The femoral neck is intracapsular and the vascular supply is fragile. Furthermore, the curvature of the proximal femur results in high mechanical stresses through the femoral neck. Poor outcomes of nonunion and avascular necrosis (AVN) are common. This chapter reviews the current evidence with respect to the treatment principles of femoral neck fractures in two distinct patient populations: "young" and "old." Contemporary controversies including surgical timing, choice of implant, arthroplasty options, nonoperative management, capsulotomy, and associated complications will be discussed.

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Section: Implant Choicementioning

confidence: 99%

Section: Implant Choicementioning

confidence: 99%

Contemporary management of femoral neck fractures: the young and the old

Forsh

Ferguson

2012

Curr Rev Musculoskelet Med

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“…21 Derotation screws can be used to enhance stability. 22 In a study of intertrochanteric abduction osteotomy for un-united femoral neck fractures, 43 (86%) of 50 patients achieved bone union after a mean of 3.6 (range, 2-8) months, with a mean Harris hip score of 91. 9 The remaining 7 (14%) patients underwent total hip replacement, 3 for persistent non-union, 3 for severe collapse of the femoral head, and one for a broken implant.…”

Section: Discussionmentioning

confidence: 99%

Valgus Osteotomy and Repositioning and Fixation with a Dynamic Hip Screw and a 135° Single-Angled Barrel Plate for Un-United and Neglected Femoral Neck Fractures

Gupta

Kukreja

Singh

2014

J Orthop Surg (Hong Kong)

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Purpose. To review the outcome of 60 patients who underwent valgus subtrochanteric osteotomy and its repositioning for un-united and neglected femoral neck fractures. Methods. 60 patients (mean age, 35 years) underwent valgus subtrochanteric osteotomy and repositioning of the osteotomy and fixation with a dynamic hip screw and a 135° single-angled barrel plate for closed un-united femoral neck fractures after failed internal fixation (n=27) or neglected (>3 weeks) fractures (n=33). The most common fracture type was transcervical (n=48), followed by subcapital (n=6) and basal (n=6). All patients had displaced femoral neck fractures (Garden types 3 and 4). According to the Pauwel angle, 45 fractures were type 2 (30º-70º) and 15 were type 3 (>70º). Results. Patients were followed up for a mean of 3.5 (range, 2-7.5) years. The mean Pauwel angle of the fracture was corrected from 65° (range, 50°-89°) to 26° (range, 25°-28°). Bone union was achieved in Valgus osteotomy and repositioning and fixation with a dynamic hip screw and a 135º single-angled barrel plate for un-united and neglected femoral neck fractures Sameer Gupta, Sunil Kukreja, Vivek Singh Department of orthopaedics, Gajara Raja medical college, Gwalior, M.P, IndiaAddress correspondence and reprint requests to: Sunil Kukreja, Department of Orthopaedics, Gajara Raja Medical College, JAH Hospital, Gwalior, MP, 474009, India. Email: drsunilkukreja@yahoo.co.in Orthopaedic Surgery 2014;22(1):13-7 56 patients after a mean of 3.9 (range, 3-5.5) months. The mean Harris hip score improved from 65 to 87.5. Outcome was excellent in 30 patients, good in 24, and poor in 6. Four of the patients developed avascular necrosis; 2 of whom nonetheless achieved a good outcome. Conclusion. Valgus osteotomy and repositioning and fixation with a dynamic hip screw and a 135° singleangled barrel plate was effective treatment for ununited and neglected femoral neck fractures. Journal of

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“…and Rinaldi reports 81 -89 % excellent to good results. 27,28 Several biomechanical studies 29,30 have evaluated different implants for managing Pauwels' Type III femoral neck fractures. Baitner et al 29 compared multiple screws to the DHS for treatment of Pauwels' Type III femoral neck fracture.…”

Section: Discussionmentioning

confidence: 99%

“…They found that the DHS had less inferior femoral head displacement, less shearing displacement and a greater load to failure when compared to the three cannulated cancellous screws. Bonnaire and Weber 30 looked at four different methods of fixation (DHS with derotational screw, DHS without derotational screw, cancellous screws and a 130 degrees angled blade plate) for Pauwels' Type III cadaveric femoral neck fractures. They concluded that the DHS with the derotational screw is the best implant for this fracture pattern.…”

Section: Discussionmentioning

confidence: 99%

Primary management of fracture of femoral neck in young adults using Valgus Osteotomy and fixation with Dynamic hip screw and plate: A case series

G¹,

S²,

K³

2014

IOSRJDMS

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Materials and Methods: Ten patients of recent (<3 weeks old) displaced intracapsular fracture neck femur (Garden III and IV, Pauwels III, with or without comminution) in the age group 20-40 years (mean 27.5 ) were subjected to osteosynthesis and primary valgus intertrochanteric osteotomy using dynamic hip screw with side plate and a derotation screw. The patients were followed up from three to five years (mean 4.6 years). AVN) Results: Union at the fracture site was achieved in ten out of ten (100 %) patients within 12 months of surgery. One case, which had undergone previous surgery with multiple screw fixation, developed avascular necrosis(10%). Repeat surgery rate was 10% (for patient with

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Analysis of fracture gap changes, dynamic and static stability of different osteosynthetic procedures in the femoral neck

Cited by 77 publications

References 0 publications

Contemporary management of femoral neck fractures: the young and the old

Contemporary management of femoral neck fractures: the young and the old

Valgus Osteotomy and Repositioning and Fixation with a Dynamic Hip Screw and a 135° Single-Angled Barrel Plate for Un-United and Neglected Femoral Neck Fractures

Primary management of fracture of femoral neck in young adults using Valgus Osteotomy and fixation with Dynamic hip screw and plate: A case series

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