Inverted V‐shaped extracapsular stabilisation technique and arthroscopic findings in six dogs with medial shoulder instability

Hammer, Meike; Grand, Jean‐Guillaume

doi:10.1111/jsap.13347

Cited by 4 publications

(10 citation statements)

References 23 publications

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“…26 Covering the joint with an implant fixed on a single point on the glenoid to stabilize MSI has previously been described with various implants and materials (spiked washers and screws, buttons and UHMWPE tape, anchors). 7 14 27 These reports seem to have obtained good clinical outcomes. 7 14…”

Section: Discussionmentioning

confidence: 68%

Long-Term Clinical Outcome of Medial Shoulder Instability in a Dog Treated with Synthetic Implant, Cortical Button, and Interference Screw

Letesson,

Crumière,

Goin

2024

VCOT Open

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Objective The objective of this study was to describe the surgical procedure and long-term outcome of traumatic medial shoulder instability in one dog treated with an ultra-high molecular weight polyethylene implant.A Fox Terrier had traumatic medial shoulder instability caused by the disruption of the subscapularis muscle and medial glenohumeral ligament. The joint was stabilized through a medial approach with an ultra-high molecular weight polyethylene implant secured on the glenoid by a cortical button and on the humerus by an interference screw. Postoperative and follow-up examinations were performed at 1, 2, 4.5 months, and 2.5 years. Results The patient bore weight after surgery and resumed normal gait after 2 months. Both the scapular and humeral tunnels had widened, essentially at their medial entrance, at 1 month postoperatively.Entrance diameter increased for 2 months and remained unchanged thereafter. An increase of 35 degrees in the abduction angle was observed in the long term at the 2.5-year control with minor osteoarthritis. No implant loosening, medial laxity, excessive abduction angle, inflammation, or septic reaction were observed. Conclusion The treatment of this case resulted in a satisfactory clinical outcome despite tunnel widening. This modified method using an interference screw could thus be considered as an alternative treatment of medial shoulder instability.

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Section: Discussionmentioning

confidence: 68%

Long-Term Clinical Outcome of Medial Shoulder Instability in a Dog Treated with Synthetic Implant, Cortical Button, and Interference Screw

Letesson,

Crumière,

Goin

2024

VCOT Open

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“…In addition to stabilisation, the successful outcome may be attributed to the meticulous preservation of the existing shoulder stabilisers and the inverted V configuration prosthetic ligament that served to imitate the two diverging strands of the medial glenohumeral ligament. 1,7,10 In cats, shoulder luxation is seen after extensive damage to the stabilising structures. Damage to the medial and lateral glenohumeral ligaments have been shown to significantly destabilise the glenohumeral joint.…”

Section: Discussionmentioning

confidence: 99%

“…The prosthetic ligaments are secured using bone anchors (FASTak Suture Anchor and PushLock Anchor; Arthrex) or a prosthetic ligament combined with a toggle and a suture button (TightRope; Arthrex). 10,[12][13][14] Size restrictions and anatomical differences, such as smaller joint space and greater tubercle, may preclude the use of some of these techniques in cats.…”

Section: Discussionmentioning

confidence: 99%

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Novel prosthetic ligament repair of a shoulder luxation in a cat using a bone anchor and ligament prosthesis

Wong

Mccracken

2023

Journal of Feline Medicine and Surgery Open Reports

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Case summary A 7-year-old male castrated Ragdoll cat was presented for chronic shoulder instability after a previous medial luxation of the right shoulder. Upon examination, there was palpable instability of the glenohumeral joint and an increased abduction angle. Surgical stabilisation was elected due to lameness and instability after closed reduction, rest and medical management. A low-profile bone-anchor and a ligament prosthesis were used to stabilise the glenohumeral joint with minimal disruption to the cat’s natural shoulder stabilisers. Clinical signs resolved after surgery and the cat remained non-symptomatic at the 12-month follow-up. Relevance and novel information Feline shoulder luxation is rarely described in the veterinary literature. To the authors’ knowledge, this is the first report describing stabilisation of the glenohumeral joint in a cat using a bone anchor and a ligament prosthesis.

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“…Ninety per cent of dogs treated with ligament reconstruction had a good to excellent function after surgery. 17 Different ligamentoplasty techniques have been described: three anchors placed at the distal and proximal insertion points of the medial glenohumeral ligament, 18 inverted V-shaped extracapsular stabilization technique 19 or humeral and scapular bone tunnels with a multi-strand suture tensioned with buttons. 20 This last technique provides an excellent outcome in 77% of dogs.…”

Section: Introductionmentioning

confidence: 99%

Treatment of Medial Shoulder Joint Instability by Stabilization with an Arthroscopically Guided Prosthetic Ligament: A Cadaveric Feasibility Study in Dogs

Llido

Livet

Carozzo

et al. 2022

Vet Comp Orthop Traumatol

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Objective The aim of this study was to assess the feasibility and efficiency of an arthroscopically guided ligamentoplasty of the medial glenohumeral ligament to treat medial shoulder joint instability. Study Design Six Beagle cadavers were used (12 limbs). Both arms of the medial glenohumeral ligament were severed using arthroscopic guidance. Arthroscopically guided reconstruction of the ligament was performed. Threaded sutures were fixed with a bone anchor on the medial aspect of the glenoidal cavity of the scapula, passed through a humeral tunnel and finally tensioned with a suture button on lateral aspect of the humerus. Shoulder abduction angles were measured before and after the section of the medial glenohumeral ligament, and following the surgery. Two orthogonal radiographic projections and dissections were performed after each procedure to grade the placement of the implants. Results Surgical repairs were achieved in 10 out of 12 limbs. The abduction angles after repair with ligamentoplasty were not significantly different from the abduction angles measured before the section of the medial glenohumeral ligament. Conclusion Arthroscopically guided ligamentoplasty with a scapular bone anchor and a humeral drilling tunnel is feasible in cadavers, and efficient to restore acutely shoulder abduction angle in a minimally invasive manner. Further clinical studies are required to assess in vivo results.

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Inverted V‐shaped extracapsular stabilisation technique and arthroscopic findings in six dogs with medial shoulder instability

Cited by 4 publications

References 23 publications

Long-Term Clinical Outcome of Medial Shoulder Instability in a Dog Treated with Synthetic Implant, Cortical Button, and Interference Screw

Long-Term Clinical Outcome of Medial Shoulder Instability in a Dog Treated with Synthetic Implant, Cortical Button, and Interference Screw

Novel prosthetic ligament repair of a shoulder luxation in a cat using a bone anchor and ligament prosthesis

Treatment of Medial Shoulder Joint Instability by Stabilization with an Arthroscopically Guided Prosthetic Ligament: A Cadaveric Feasibility Study in Dogs

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