Diseases of the musculoskeletal system
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DISEASES OF THE MUSCULOSKELETAL SYSTEM. PART 2. Ligament Injury – Anterior Cruciate Ligament Rupture. ACL and PCL (posterior cruciate ligament) stabilize knee joint Intra-articular structures Ruptured ACL – most common stifle injury and leads to DJD

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Ligament injury anterior cruciate ligament rupture
Ligament Injury – Anterior Cruciate Ligament Rupture

  • ACL and PCL (posterior cruciate ligament)

    • stabilize knee joint

    • Intra-articular structures

  • Ruptured ACL – most common stifle injury and leads to DJD

    • May be complete rupture or partial tear => unstable joint => DJD



Trauma clinical signs of cranial cruciate ligament injury rupture
TRAUMA: CLINICAL SIGNS OF CRANIAL CRUCIATE LIGAMENT INJURY/RUPTURE

Middle-aged obese dog

Highly active, athletic animals


Trauma clinical signs of cranial cruciate ligament injury rupture1
TRAUMA: CLINICAL SIGNS OF CRANIAL CRUCIATE LIGAMENT INJURY/RUPTURE

Animal is acutely non wt. bearing

on the rear leg after hyperextending

the stifle joint

Joint effusion


Trauma cranial cruciate ligament rupture
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE INJURY/RUPTURE

Cranial drawer test

Tibial compression test


Trauma cranial cruciate ligament rupture1
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE INJURY/RUPTURE

http://www.youtube.com/watch?v=9jg9E2nBt_E&feature=related


Trauma cranial cruciate ligament rupture repair
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE REPAIR INJURY/RUPTURE

Extra-articular Stabilization

*Most successful in patients less than 15kg


Trauma cranial cruciate ligament rupture repair1
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE REPAIR INJURY/RUPTURE

Intra-articular stabilization – Over-the-top patellar tendon graft


Trauma cranial cruciate ligament rupture2
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE INJURY/RUPTURE

http://www.youtube.com/watch?v=4nU2QZjjByg


Trauma cranial cruciate ligament rupture repair2
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE REPAIR INJURY/RUPTURE

Intra-articular stabilization technique

TPLO – Tibial Plateau Leveling Osteotomy


Trauma cranial cruciate ligament rupture3
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE INJURY/RUPTURE

http://www.youtube.com/watch?v=-1pxxX4TXko&feature=fvw


Trauma cranial cruciate ligament rupture client info
TRAUMA: CRANIAL CRUCIATE LIGAMENT RUPTURE – CLIENT INFO INJURY/RUPTURE

  • Restrict activity 3-4 weeks post surgery

    • Cage rest

    • Leash walk only to urinate and defecate

  • Gradually increase exercise 4-8 wks post sx

  • Full activity 8-12 weeks

  • Opposite cruciate often tears within 1 yr

  • Weight loss helps

  • DJD of stifle joint likely

  • If no surgery, joint thickens - fibrosis