Pinless External Fixation of Mandible Fractures in Cattle

Lischer, Christoph; Fluri, E.; Kaser‐Hotz, Barbara; Bettschart‐Wolfensberger, Regula; Auer, Joerg A.

doi:10.1111/j.1532-950x.1997.tb01457.x

Cited by 33 publications

(17 citation statements)

References 5 publications

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“…Both techniques used in the cattle in this report have been described previously. 3,9 Antibiotics were administered for 8 Ϯ 3 days. Four cattle had persisting inappetence after fracture stabilization and were transfaunated (3 to 7 times during the first 2 weeks) with normal ruminal contents combined with linseed and grass pellets.…”

Section: Resultsmentioning

confidence: 99%

Long‐Term Results of Bovine Mandibular Fractures Involving the Molar Teeth

Reif¹,

Lischer²,

Steiner³

et al. 2000

Veterinary Surgery

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Section: Resultsmentioning

confidence: 99%

Long‐Term Results of Bovine Mandibular Fractures Involving the Molar Teeth

Reif¹,

Lischer²,

Steiner³

et al. 2000

Veterinary Surgery

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“…Zu den Fixationsmethoden gehören die verschiedenen Drahtschienungs-Techniken, die Verwendung von Steinmann-Pins, das Anbringen von Zugschrauben oder eines Aluminium UBars, die intraorale Polymethylmethacrylat-Schienung sowie die Fixation mit DC-oder LC-Platten. Weitere Methoden beinhalten die Fixation der Fraktur mit einem Fixateur externe Typ I und II oder einem Pinless Fixateur externe (Monin 1977, DeBowes 1996, Lischer et al 1997, Tremaine 1998, Henninger et al 1999, Belsito und Fischer 2001, Ramzan 2008 Kuemmerle et al 2009, Auer et al 2012. Alle diese Methoden besitzen je nach Frakturkonfiguration ihre Vor-und Nachteile (Peavey et al 2003 bestätigt, dass die häufig auftretenden rostralen Kieferfrakturen beim Pferd erfolgreich mit der Drahtschienung fixiert werden können (Hertsch et al 1990, Henninger et al 1999 …”

Section: Introductionunclassified

Obwegeser cerclage technique for the treatment of jaw fractures in horses: a retrospective study on 46 cases (1987–2010)

Bindler¹,

Theiss²,

Kümmerle³

et al. 2017

PHK

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Obwegeser cerclage technique for the treatment of jaw fractures in horses: a retrospective study on 46 cases Skull fractures, particularly mandibular fractures, are the second most common fractures in horses after limb fractures. The majority of mandibular fractures involves its most rostral part, i.e. the pars incisiva. Like other head fractures, those of the jaws are commonly caused by a blunt external trauma such as a kick from another horse, a fall or a collision with a solid object. Rostral fractures can also occur when horses get caught between vertical metal bars in the stall: the horse bites the bar with its head tilted towards a slightly horizontal position and then suddenly pulls back its head together with a vertical movement of the head, while the teeth remain lodged between the metal bars. In rare cases jaw fractures occur iatrogenically following dental treatment or due to pathological alteration of the bone in case of neoplasia or chronic osteomyelitis. In the majority of cases jaw fractures are open toward the oral cavity and may be severely contaminated. Unstable, bilateral or dislocated fractures which lead to impaired occlusion need surgical intervention. Intraoral wiring is one of the fixation techniques used, depending on the fracture configuration. The Obwegeser multiple-loop intraoral wiring method is particularly suited for fixation of avulsion fractures of the incisors because teeth can be fixed individually, the tension can be distributed evenly among different teeth and the fixation can be extended across a wide area. This method is very suitable for fixation of rostral jaw fractures. It can also be used in combination with other fixation techniques, e.g. plate osteosynthesis, to provide additional stability on the tension side of a fractured mandible and incisor bone. This retrospective study examined 46 patients with jaw fractures that were fixed using the Obwegeser wiring method alone (n=31) or in conjunction with another fixation method (n=15). Medical records, repeated radiological examinations and telephone interviews with the owners were used to gather information about clinical signs on presentation, type of fracture fixation, the healing process, short and long term complications, time of removal of the wires and owner satisfaction with the surgical outcome. The following clinical signs were found with the initial examination: oral haemorrhage (n=28), dysphagia (n=24) and local swelling (n=21). 23 horses suffered from malocclusion and in 5 of 46 patients crepitation was obvious. In 20 cases (43%) the fracture was older than 24 hours at the time of presentation to the hospital. Forty (87%) of the fractures were open. Cases that were fixed using the Obwegeser wiring method alone had a lower complication rate (11/31, 35%) than cases in which wiring was used in conjunction with another fixation method (12/15, 80%). In most cases the fracture could be repaired in the standing horse using sedation and local anaesthesia. An orthopaedic stainless steel wire with a diameter of 1.25 mm...

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“…Three different surgical methods for fixation of symphyseal fractures have been described: administration of an external fixator, using either Steinmann pins (Nuss and others 1991) or clamps (Lischer and others 1997a, b); internal fixation, using screws administered in lag fashion (DeBowes and others 1981); and use of cerclage wires anchored externally to the teeth (Piacenza and Böhm 1985, Loppacher 1987, Hertsch and Wissdorf 1990). External fixation methods are preferable to internal fixation for the treatment of open fractures because the implants may be placed in healthy, non-infected tissue and implant loosening is therefore less likely to occur (Sullins and Turner 1982, Colahan and Pascoe 1983, Turner 1984, Adams and Fessler 1988, Blackford and Blackford 1992).…”

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confidence: 99%

“…External fixation methods are preferable to internal fixation for the treatment of open fractures because the implants may be placed in healthy, non-infected tissue and implant loosening is therefore less likely to occur (Sullins and Turner 1982, Colahan and Pascoe 1983, Turner 1984, Adams and Fessler 1988, Blackford and Blackford 1992). Treatment of mandibular fractures using an external fixator with plain or positive-profile Steinmann pins carries the disadvantages of inadvertent destruction of tooth roots and potential pin tract infections that may lead to osteomyelitis (Lischer and others 1997a, b). Tooth root destruction and osteomyelitis may be avoided by using external clamps instead of Steinmann pins (Lischer and others 1997a, b).…”

mentioning

confidence: 99%

“…Treatment of mandibular fractures using an external fixator with plain or positive-profile Steinmann pins carries the disadvantages of inadvertent destruction of tooth roots and potential pin tract infections that may lead to osteomyelitis (Lischer and others 1997a, b). Tooth root destruction and osteomyelitis may be avoided by using external clamps instead of Steinmann pins (Lischer and others 1997a, b). Internal fixation with lag screws carries a similar major disadvantage when used for fixation of open and infected fractures.…”

mentioning

confidence: 99%

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