Manor Farm Business Park

Higham Gobion, United Kingdom

Manor Farm Business Park

Higham Gobion, United Kingdom
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Morton M.A.,Manor Farm Business Park | Thomson D.G.,Manor Farm Business Park | Rayward R.M.,Manor Farm Business Park | Rayward R.M.,Coast Veterinary Referrals Ltd | And 2 more authors.
Veterinary and Comparative Orthopaedics and Traumatology | Year: 2015

Objectives: Chronic degeneration of the gastrocnemius tendon results in scar tissue formation at the insertion of the tendon, and detachment from the calcaneus. In severe cases, excision of this tissue makes repositioning of the tendon to the calcaneus extremely difficult. A polyethylene terephthalate implant, used to aide repair by bridging gaps and allowing tissue ingrowth, was evaluated. Methods: In this retrospective study, clinical records were evaluated to assess long-term outcomes and complications. The surgical technique is also described. The implant was sutured proximally into the gastrocnemius at the myotendinous junction, and secured into the calcaneus using an interference screw. Results: The implant was used in 10 patients; of which seven returned to full function. Major complications, due to infection, were identified in two of the 10 patients. Minor complications occurred in five of the 10 patients. These were associated with external coaptation in three of the patients in the immediate postoperative period. One minor infection was reported. These all resolved without further complication. Longterm outcome was available in eight patients, with six of these eight dogs returning to normal exercise. Clinical significance: This implant may be suitable for use in canine patients with severe gastrocnemius tendon degeneration. Ongoing evaluation is warranted. © 2015 Schattauer.


Morton M.A.,Manor Farm Business Park | Whitelock R.G.,Manor Farm Business Park | Innes J.F.,University of Liverpool | Innes J.F.,CVS Vets Ltd.
Veterinary Surgery | Year: 2015

Objective: To test a polyethylene terephthalate prosthesis (STIF, Chenove, France) for gastrocnemius tendon repair in dogs (cadaver model). Study Design: In vitro mechanical study. Animals: Pelvic limbs (n=8) from 4 recently euthanatized adult dogs (weighing 30-45kg). Methods: Proximally the implant was sutured at the myotendinous junction of the gastrocnemius and distally secured in a 4.5mm blind ending tunnel in the medullary cavity of the calcaneus using an interference screw (STIF, Chenove, France). Proximal and distal fixation were tested independently using an electrodynamic testing machine (Electropuls 3000, Instron, UK). Results: Mean±SD failure loads for the proximal fixation (266.13±43.88N) was significantly less than for the distal fixation (649.25±210.36N; P=.042, paired t-test). Mean stiffness of the proximal and distal constructs were 19.08±8.16N/mm and 139.76±24.51N/mm, respectively. Conclusions: Failure loads exceeded the values reported after experimental repair of chronic gastrocnemius tendon injuries using other methods involving suturing tendon to bone. Failure of this repair method clinically is predicted to occur proximally at the level of the myotendinous junction. © 2015 by The American College of Veterinary Surgeons.


Battersby I.,Manor Farm Business Park | Doyle R.,Manor Farm Business Park
Journal of Small Animal Practice | Year: 2010

An 11-year-old domestic shorthair cat presented with a six-week history of regurgitation following a dental procedure. Endoscopy identified a single oesophageal stricture in the cervical oesophagus. Stricture reformation occurred following endoscopic balloon catheter dilation on two occasions. Following a third balloon dilation a biodegradable polydioxanone self-expanding stent was placed across the stricture site. Following the implantation the cat was able to eat soft canned food orally without regurgitation. Fluoroscopic examination performed four months after placement indicated that the stent was no longer present and the cervical oesophagus was able to pass boluses of canned food with no signs of obstruction. © 2010 British Small Animal Veterinary Association.


PubMed | Manor Farm Business Park
Type: Case Reports | Journal: The Journal of small animal practice | Year: 2010

An 11-year-old domestic shorthair cat presented with a six-week history of regurgitation following a dental procedure. Endoscopy identified a single oesophageal stricture in the cervical oesophagus. Stricture reformation occurred following endoscopic balloon catheter dilation on two occasions. Following a third balloon dilation a biodegradable polydioxanone self-expanding stent was placed across the stricture site. Following the implantation the cat was able to eat soft canned food orally without regurgitation. Fluoroscopic examination performed four months after placement indicated that the stent was no longer present and the cervical oesophagus was able to pass boluses of canned food with no signs of obstruction.


PubMed | Manor Farm Business Park
Type: Journal Article | Journal: Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association | Year: 2012

Nontraumatic intracranial hemorrhage is bleeding originating from the brain or surrounding structures. It results from blood vessel rupture and may be primary or secondary in origin. The magnetic resonance imaging (MRI) characteristics of 75dogs with nontraumatic intracranial hemorrhage were reviewed to determine signalment; intracranial compartment involved, size and number of lesions; type and prevalence of concurrent medical conditions; and long-term outcome. Hemorrhagic lesions were intraparenchymal (n = 72), subdural (n = 2) or intraventricular (n = 1). Thirty-three of 75dogs had a concurrent medical condition. A concurrent condition was detected in 13 of 43dogs with a single lesion 5mm and included Angiostrongylus vasorum infection, intracranial lymphoma and meningioma. Of the 20dogs with multiple lesions 5mm, 7had A. vasorum infection, 2had hemangiosarcoma metastasis, 5had suspected brain metastasis, and 1was septicemic. Of the 12dogs with multiple lesions, 2had hyperadrenocorticism, 2had chronic kidney disease, and 1 had hypothyroidism. Of these five dogs, all were hypertensive and four died within 12months. No dog had a single lesion <5mm. Long-term outcome was favorable in 26 of 43 dogs with single lesions 5mm, 6 of 20dogs with multiple lesions 5mm, and 8 of 12dogs with multiple lesions <5mm. A. vasorum infection was the most common concurrent condition in dogs with nontraumatic intracranial hemorrhage (16/75), with an excellent outcome in 14 of 16 dogs. Prognosis in nontraumatic intracranial hemorrhage is reported in terms of concurrent medical conditions and the number and size of lesions.

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