Frakturen von Gliedmaßenknochen bei 32 kleinen Wiederkäuern – Methoden und Ergebnisse der Behandlung

Kofler, J.; Hochschwarzer, Daniel; Schieder, Kathrin; Osová, Adriana; Vidoni, Britta

doi:10.15653/tpg-160933

Cited by 3 publications

(1 citation statement)

References 15 publications

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“…In clinical application, the IMN may provide an alternative to plating in cloven hooved species with a fused metatarsus and a sagittal septum, such as sheep, goats, and cattle. This could provide benefit in cases of mid diaphyseal fractures of the metatarsus of small ruminants, which have a reported prevalence of 20% in one retrospective study ( 19 ). In vivo testing for joint tolerance of distal normograde application should be pursued prior to clinical application.…”

Section: Discussionmentioning

confidence: 99%

Mechanical comparison of application of locking intramedullary nail to locking compression plate in the ovine metatarsus

Steward¹,

Brodin²,

Gadomski³

et al. 2023

Ann Transl Med

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Background: The metatarsal bone is commonly utilized in preclinical fracture models in sheep. A majority of studies achieve fracture stabilization with bone plating, but more recently intramedullary interlocking nails (IMN) have been utilized. The mechanical properties of this unique surgical technique utilizing an IMN has not yet been fully elucidated or compared to the traditional locking compression plating (LCP) technique.We hypothesize that a mid-diaphysis metatarsal critical-sized osteotomy stabilized with an IMN will provide equivalent mechanical stability to LCP with less variance of mechanical properties across specimens.Methods: Sixteen ovine hind limbs were transected at the mid tibia with soft tissue intact and utilized for implantation. A 3-cm osteotomy was created in the mid-diaphysis of all metatarsi. For the IMN group, a 147 mm × 8 mm IMN was implanted from distal to proximal through the sagittal septum of the distal metatarsus and the bolts locked in place using an IMN guide system. For the LCP group, a 3.5-mm 9-hole LCP was secured to the lateral aspect of the metatarsus with three locking screws in the proximal and distal holes leaving the central three holes empty. All metatarsal constructs were fitted with three strain gages on proximal and distal metaphyses and the lateral aspect of the IMN or LCP at the osteotomy site. Nondestructive mechanical testing was performed in compression, torsion, and four-point bending. Results:The IMN constructs showed overall greater construct stiffness with less variance in strain between constructs than the LCP constructs in 4-point bending, compression, and torsion.Conclusions: IMN constructs may provide superior mechanical properties for a critical-sized osteotomy model of the ovine metatarsus when compared to lateral LCP constructs. Further in vivo investigation comparing characteristics of fracture healing between IMN and LCP is warranted.

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Section: Discussionmentioning

confidence: 99%

Mechanical comparison of application of locking intramedullary nail to locking compression plate in the ovine metatarsus

Steward¹,

Brodin²,

Gadomski³

et al. 2023

Ann Transl Med

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Behandlung einer Femurkopfepiphysenfraktur mittels modifizierter Ehmer-Schlinge bei einem 4 Wochen alten Fleckviehkalb

Marks

Schieder

Kofler

2020

Tierarztl Prax Ausg G Grosstiere Nutztiere

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ZusammenfassungEin 4 Wochen altes, weibliches Fleckviehkalb wurde mit einer seit 3 Tagen bestehenden, plötzlich aufgetretenen Lahmheit 5. Grades an der rechten Hintergliedmaße vorgestellt. Klinisch war eine schmerzhafte Schwellung im Bereich der rechten Hüftgelenkregion nachweisbar, jedoch keine typischen Fraktursymptome wie Krepitation, abnorme Achsenbrechung und abnorme Beweglichkeit. Bei der sonografischen Untersuchung mit einem 7,5-MHz-Linearschallkopf wurden eine geringgradige Stufenbildung und eine abnorme Beweglichkeit im Bereich der Femurkopfepiphysenfuge festgestellt. Die Röntgenuntersuchung zeigte eine Salter-Harris-Fraktur Typ 2 an der Epiphysenfuge des rechten Femurkopfes. Aufgrund der nur geringgradigen Dislokation von ca. 2 mm nach kranial erfolgte eine konservative Behandlung durch Ruhigstellung der rechten Hintergliedmaße mit einer modifizierten Ehmer-Schlinge, die im Behandlungszeitraum von 28 Tagen 2-mal gewechselt wurde. Das Kalb kam mit der Schlinge gut zurecht und war gehfähig. Mit dieser Behandlung konnte eine vollständige Frakturheilung erzielt und die hohen Kosten und Risiken einer chirurgischen Frakturversorgung vermieden werden. Zehn Wochen nach Therapiebeginn war das Kalb lahmheitsfrei.

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Surgical management of metatarsal fracture using wire suture in a sheep: A case report

Akter

Alam

2022

BJVM

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Background: The most frequent orthopedic condition that prevents animals from moving normally is a long-bone fracture. The diagnosis and surgical treatment of closed metatarsal fracture in sheep are the main goals of this study. Materials and Methods: A three-month-old female sheep was presented with a history of the left metatarsal bone losing its function, pain at the fracture site, aberrant motion in the affected leg, and fluid or exudate flowing from the fracture site. While radiographs indicated an oblique metatarsal fracture of the left hind limb, palpation of the left metatarsal bone revealed discomfort and fracture fragments. Following internal stabilization with cerclage wire suture, the fracture was treated. Surgery was carried out following the proper immobilization, aseptic procedure, and anesthetic protocol (atropine 0.04 mg/kg BW intramuscularly, five minutes later: xylazine 0.06 mg/kg BW intravenously). Results: The sheep was released from the hospital after the procedure bearing weight on the limb effectively and without any issues. A successful clinical outcome was obtained after surgical alteration. Conclusions: Open fractures necessitate swift, aggressive debridement, stability of the fracture, and early soft tissue restoration. The only practical method for managing fractures may be early surgical treatment and post-operative care.

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Frakturen von Gliedmaßenknochen bei 32 kleinen Wiederkäuern – Methoden und Ergebnisse der Behandlung

Cited by 3 publications

References 15 publications

Mechanical comparison of application of locking intramedullary nail to locking compression plate in the ovine metatarsus

Mechanical comparison of application of locking intramedullary nail to locking compression plate in the ovine metatarsus

Behandlung einer Femurkopfepiphysenfraktur mittels modifizierter Ehmer-Schlinge bei einem 4 Wochen alten Fleckviehkalb

Surgical management of metatarsal fracture using wire suture in a sheep: A case report

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