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Discussion on Stifle lock in 3 yr old

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ellen carter
New Member
Username: Cartee

Post Number: 1
Registered: 4-2006
Posted on Tuesday, Apr 25, 2006 - 2:59 pm:   Edit PostPrint Post

I have a young 3yr old gelding with stifle lock, diagnosed last summer by our vet. He has had regular injections of Adequan all year and has been rested the last 8 months. He seems great out in the pasture,happily running around and eating well etc. But we have just started getting him ready for trail riding this summer commencing with light exercise, walking and trotting in a ring. However, the problem(stiffness and favoring the left back leg )is still present. we are ready for the next step, if there is one? Can anyone agree on the right step? From what I have read here there seems to be a preference for cutting the stifle? Can an X-ray confirm anything in this instance?
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 15464
Registered: 1-1997
Posted on Wednesday, Apr 26, 2006 - 7:45 am:   Edit PostPrint Post

Welcome Ellen,
We outline a program for dealing with this at, Equine Diseases » Lameness » Diseases of the Upper Rear Limb » Diseases of the Stifle » Stifle Lock: Upward Fixation of the Patella
DrO
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ellen carter
New Member
Username: Cartee

Post Number: 2
Registered: 4-2006
Posted on Wednesday, Apr 26, 2006 - 8:24 am:   Edit PostPrint Post

thank you. i did read this article. can you tell me would an x ray be helpful in this instance?
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Carla McKenzie
Member
Username: Jivete

Post Number: 25
Registered: 6-2005
Posted on Wednesday, Apr 26, 2006 - 9:35 am:   Edit PostPrint Post

Ellen, how was your gelding diagnosed? Does/did he actually lock up?
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 15467
Registered: 1-1997
Posted on Wednesday, Apr 26, 2006 - 10:06 am:   Edit PostPrint Post

Whether an radiograph would be helpful will depend on the history and physical exam of your horse ellen and not a decision I can make. However for straight forward upward fixation there is no usual indication for radiograph.
DrO
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ellen carter
New Member
Username: Cartee

Post Number: 3
Registered: 4-2006
Posted on Wednesday, Apr 26, 2006 - 10:34 am:   Edit PostPrint Post

carla, yes.. But we have observed this only once at which time we immediately called our vet who was there within the hour. There was no doubt in our vet's mind that it was stifle lock. However, i thought there was some chance it was due to a scrape he had received several weeks prior while jumping a low fence. So we elected to see if the problem resolved itself with rest him, no riding, bute, and adequan injections over th winter. He seems to move fine out in the pasture with the other horses but when we recently started exercising him in a rink we feel he is favoring the same back hind leg with a slight limp noticeable.
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Carla McKenzie
Member
Username: Jivete

Post Number: 26
Registered: 6-2005
Posted on Wednesday, Apr 26, 2006 - 2:54 pm:   Edit PostPrint Post

I was curious if the stifle lock was diagnosed off the lame hind end. Was the limp there before you had him diagnosed or is it a new problem?
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ellen carter
New Member
Username: Cartee

Post Number: 4
Registered: 4-2006
Posted on Wednesday, Apr 26, 2006 - 3:19 pm:   Edit PostPrint Post

the was no limping or stiffness prior to the stifle locking. clearly a new problem.
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 15471
Registered: 1-1997
Posted on Thursday, Apr 27, 2006 - 7:58 am:   Edit PostPrint Post

If there is lameness from pain, not a sign typically seen with stifle lock, and that lameness is localized to the stifle, radiographs are indicated if the lameness did not resolve quickly.
DrO
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ellen carter
New Member
Username: Cartee

Post Number: 5
Registered: 4-2006
Posted on Thursday, Jun 1, 2006 - 1:09 pm:   Edit PostPrint Post

dr.oglesby radiographs have luckily shown no problems. we are electing to go ahead and have him blistered after consulting with colorado state experts. will let you know how it turns out.
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 15764
Registered: 1-1997
Posted on Friday, Jun 2, 2006 - 7:32 am:   Edit PostPrint Post

Thanks ellen, do you know why they suggest blistering over ligament splitting?
DrO
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ellen carter
Member
Username: Cartee

Post Number: 6
Registered: 4-2006
Posted on Friday, Jun 2, 2006 - 2:45 pm:   Edit PostPrint Post

my understanding is blistering is currently viewed as a less invasive measure, with no known adverse effects, which has been found to be extremely effective in a vast majority of cases involving intermittent upward patellar fixation.
the next step would be ligament splitting should all else fail.
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 15781
Registered: 1-1997
Posted on Saturday, Jun 3, 2006 - 10:57 am:   Edit PostPrint Post

OK, there are occasional problems, probably related to improper placement of the blister, and "extremely effective" may be a bit of an overstatement, but there is a good chance this will work with minimal problems.
DrO
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ellen carter
Member
Username: Cartee

Post Number: 7
Registered: 4-2006
Posted on Thursday, Jun 15, 2006 - 11:01 am:   Edit PostPrint Post

what do you think the success rate is with blistering and once blistered how long would you rest a horse?
ellen
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 15894
Registered: 1-1997
Posted on Friday, Jun 16, 2006 - 11:51 am:   Edit PostPrint Post

We don't have studies to quote exact numbers ellen, so I will stick with a good chance.

I do not use blistering myself and techniques I have witnessed and been told about vary tremendously probably because there are no published studies on the procedure that I have ever seen. Because of this, best is to follow the advice of those doing the procedure. I have seen some who recommend immediate work inspite of remarkable but temporary lameness from the injections.
DrO
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