Biomechanical comparison of pin and tension-band wire fixation with a prototype locking plate fixation in a transverse canine patellar fracture model

Gibert, Sophie; Kowaleski, Michael P.; Matthys, Romano; Nützi, Reto; Serck, Boris; Boudrieau, Randy J.

doi:10.3415/vcot-15-07-0115

Cited by 9 publications

(9 citation statements)

References 36 publications

(76 reference statements)

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“…Group D was found to have two mechanisms of failure. Initially elongation of the tension band wire loop was noted in both testing modes, but this was accompanied by either sliding of the pin distally through the proximal fragment as the inter-fragmentary gap increased, or by the pin cutting through the bone proximally or distally as previously noted (25). It is possible that had thicker wire been utilised then resistance to elongation and reduced gap opening would have been observed.…”

Section: Discussionmentioning

confidence: 79%

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Biomechanical evaluation of simulated feline patellar fracture repairs

Longley¹,

Langley‐Hobbs²,

Tarlton³

2017

Vet Comp Orthop Traumatol

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Section: Discussionmentioning

confidence: 79%

“…Only one biomechanical study of patellar fractures has been published in the peer reviewed veterinary literature (25). This study compared the use of a prototype locking plate with pin and tension band wire and concluded that pin and tension band wiring was an unsuitable method in the dog.…”

Section: Introductionmentioning

confidence: 99%

Biomechanical evaluation of simulated feline patellar fracture repairs

Longley¹,

Langley‐Hobbs²,

Tarlton³

2017

Vet Comp Orthop Traumatol

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“…3 Due to the paucity of literature on canine patellar fracture, most of the described fracture repair methods are extrapo-lated from human biomechanical and clinical studies which include several forms of tension band apparatus fixation, [4][5][6][7][8][9] cerclage wire fixation 3 and plate fixation. 6,[10][11][12][13][14][15] Pin and tension band wire (TBW) approaches have long been the recommended treatment for patellar fracture repair in both veterinary and human patients. [3][4][5] The use of a TBW is theorized to counteract the tensile force created by muscular contraction and convert it into a compressive force, resulting in interfragmentary compression and fracture stabilization.…”

Section: Introductionmentioning

confidence: 99%

Patella Fracture Repair Using Multiple Fixation Modalities in a Dog

Chau

Wilson

2021

VCOT Open

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The aim of this study was to describe the clinical use of a titanium locking plate and screws as an adjunct for the surgical treatment of an open, transverse, mid-body patellar fracture. A 2-year-old crossbreed dog was diagnosed with an open, transverse, mid-body patellar fracture. Initial fracture reduction and compression were achieved with two parallel Kirschner wires and a figure of eight tension band wire. This was followed by a titanium locking plate and screws placed on the cranial aspect of the patella. A transarticular circular external skeletal fixator was used as an additional augmentation for 5 weeks. Wire failure was noted in the transarticular circular external skeletal fixator at 10 days postoperation, necessitating wire replacement. Complete return to previous activity level and progressive radiographic osseous union were observed 8 weeks after surgery. Breakage of the Kirschner wires at the proximal pole of the patella was noted 3 years after surgery and explantation of all implants was performed. Recheck evaluation at 8 months after explantation confirmed full return to athletic function. This case report described the clinical use of a locking plate and screws as an adjunct for transverse patellar fracture repair and its long-term functional outcome.

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“…Despite several technical modifications, management of patellar fractures by different types of plate fixation has been reported. [4][5][6][7] Operative management of comminuted patella fractures continues to be a challenge with poor functional outcomes and high reoperation rates.…”

Section: Introductionmentioning

confidence: 99%

A novel technique of using a miniature plate in combination with tension band wiring to treat comminuted patellar fractures

2018

Medicine

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Traditionally, tension band fixation has been used for treating simple fracture patterns; however, fixation remains a challenge, especially for comminuted fractures. We describe a new method of operation using a combination of a miniature plate with tension band wiring to treat comminuted patellar fractures. The aim of this technique is to transform complicate fractures into simple transverse fractures. As far as we know, no studies using a similar method have been found.The purpose of this study was to assess the effectiveness of a novel technique in which a miniature plate is used in combination with tension band wiring to treat comminuted patellar fractures.Between March 2013 and May 2015, 16 patients with closed, displaced, comminuted fractures of the patella were included in the present study. All subjects underwent fixation using a combination of a miniature plate with a tension band wire. Knee function and patient status were evaluated at 12 months using the Böstman knee score and Lysholm knee scale.The average follow-up period was 15.6 months (range, 12-20 months). At the 12-month follow-up, bone healing was satisfactory in all patients. The average postoperative Lysholm score was 91.6 ± 1.4 (range, 84-97). The average postoperative Böstman scale score was 26.4 ± 0.5 (range, 22-30), thereby indicating excellent results in 4 patients and good results in 12. No patients required reoperation.The results demonstrate that this new technique is an effective and safe treatment option for comminuted patella fractures, as it is associated with good clinical outcomes.Abbreviation: K = Kirschner.

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Biomechanical comparison of pin and tension-band wire fixation with a prototype locking plate fixation in a transverse canine patellar fracture model

Abstract: The failure mode with pin/TBW was consistently similar to failures observed clinically. The LP demonstrated consistent, reliable and stable fixation.

Cited by 9 publications

References 36 publications

Biomechanical evaluation of simulated feline patellar fracture repairs

Biomechanical evaluation of simulated feline patellar fracture repairs

Patella Fracture Repair Using Multiple Fixation Modalities in a Dog

A novel technique of using a miniature plate in combination with tension band wiring to treat comminuted patellar fractures

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