An Experimental Study of Small- Joint Compression Arthrodesis

Breitbart, Arnold S.; Glat, Paul M.; Staffenberg, David A.; Casar, Robert S.; Rubinstein, Joshua; Grossman, John A. I.; Beasley, Robert W.

doi:10.1097/00000637-199707000-00008

Cited by 5 publications

(8 citation statements)

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“…The overall fusion rate in the current study was 85%. It was similar to the previously reported fusion rate of a rabbit ulnohumeral arthrodesis model [11].…”

Section: Resultssupporting

confidence: 91%

“…We randomly assigned 28 young adult New Zealand white rabbits into two groups as follows: Group 1, the conventional technique group; Group 2, the dowel bone graft technique group. At 8 weeks after the operation [11] the animals were euthanized by intravenous administration of sodium pentobarbital/isopropyl alcohol solution by the veterinary doctor, and the specimens were harvested. We made every effort to minimize the suffering throughout the experimental process.…”

Section: Methodsmentioning

confidence: 99%

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Small joint arthrodesis technique using a dowel bone graft in a rabbit model

Lee

Choi

et al. 2019

PLoS ONE

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The dowel bone graft fusion technique for the ankle is a well-known and useful method. However, clinical results of dowel bone graft for small joint fusion are unknown. The objective of the present study is to evaluate the effects of dowel bone graft technique for small joint arthrodesis in an in vivo arthrodesis of rabbit elbow model compared with the conventional arthrodesis technique (open, joint surface debridement, and internal fixation method). We assigned 28 young adult New Zealand white rabbits to one of two groups: Group 1, the conventional fusion technique group; Group 2, the dowel bone graft fusion technique group. We performed arthrodesis surgery in two different ways for each group. Eight weeks after the operation, specimens were harvested, radiographed, mechanically tested for torque to failure and stiffness, and evaluated for histology. Fusion rates were 77% (10/13) in Group 1 and 93% (13/14) in Group 2 (p = 0.326). Torque to failure showed a mean of 0.86 Nm in Group 1 and 0.77 Nm in Group 2 (p = 0.464). The mean value of stiffness was 0.11 Nm/deg in Group 1 and 0.11 Nm/deg in Group 2 (p = 0.832). In Group 2, histological examination showed residual cartilage absorption and inflammatory response in all cases. In this model, we have been unable to show a difference in either the union rate or strength of fusion between the two methods. However, the dowel bone graft technique is an easy and less invasive method and has some advantages over the conventional method.

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“…The overall fusion rate in the current study was 85%. It was similar to the previously reported fusion rate of a rabbit ulnohumeral arthrodesis model [11].…”

Section: Resultssupporting

confidence: 91%

Section: Methodsmentioning

confidence: 99%

Small joint arthrodesis technique using a dowel bone graft in a rabbit model

Lee

Choi

et al. 2019

PLoS ONE

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“…Despite the low 1.0-kg weight, cracks occurred more frequently when K-wires were hammered. This was unexpected because collagen of human and rabbit bone tissue are comparable [2,22] and other studies comparing K-wires with different osteosynthesis material also using the rabbit as a model never mentioned cracks or fractures [3,5,19]. An exception was the paper of Zegunis et al In this report, it was advised to lower the power produced by the pneumatic hammer in fragile and small bones to prevent fractures [26].…”

Section: Discussionmentioning

confidence: 90%

In vivo biomechanical comparison of hammering vs drilling of Kirschner wires; a pilot study in rabbits

et al. 2007

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Heat generation due to drilling Kirschner wires (Kwires) into bone can lead to serious complications. Hammering K-wires could be an alternative insertion method because it generates less heat and results in better fixation and a shorter insertion time. There is, however, no in vivo information about insertion time and biomechanics of hammered K-wires. Insertion time was measured when drilling or hammering Kwires into femurs and tibias of 16 rabbits. Four K-wires inserted in one hind limb were used to measure extraction and torque forces directly after insertion (T = 0) and four K-wires inserted in the contralateral hind limb were used for the same measurements 4 weeks after insertion (T = 4). The insertion time for hammering was significantly shorter compared to drilling. Extraction and torque properties measured at T = 0 and T = 4 were equal for both techniques. Hammering, however, resulted in more cracks. Based on these results neither of these methods can be identified as a superior technique to insert K-wires in fragile bones.

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“…The in vivo rabbit ulnohumeral arthrodesis model used in the present study was a modification of a previously established model in the literature. 5 Skeletally mature, male, New Zealand white rabbits greater than 6 months of age were used. Animals were procured from a licensed rabbit farm and were not inbred.…”

Section: Operative Protocolmentioning

confidence: 99%

“…The overall fusion rate of 87.5% in the present study was comparable to the fusion rates previously reported using a rabbit ulnohumeral arthrodesis model. 5…”

Section: Fusionmentioning

confidence: 99%