My 26 year old gelding exhibited strange behavior 3 weeks ago and we immediately had the vet out. The horse could not walk in a straight
line; his hinds were all uncoordinated, with his legs turning inward.
There was no fever, no signs of a cold (rhino.) The vet blindfolded
him and he was very unsure of where his feet were. He had weak tail
response. He pumped him full of DMSO, banamine, dexamethasone, and
gave me more banamine and an antibiotic. After 3 days, he seemed to
improve, but the back leg would still turn in and he had moments of
seeming very uncoordinated. Still eating, drinking, eliminating, and
seems to be unaware of pain (or exhibits no typical signs of any
pain.) He can even roll and get back up. He seems to be his usual high
energy self, but perhaps a bit more skittish than usual.
3 days ago he had another episode. He got very agitated when the
tractor was brought down to mow the field next to him and his hind got
all uncoordinated again. (I am not sure how else to describe it but he
crab walks with his hind end coming up towards his front shoulder as
he tries to walk straight.) We have him on banamine and dexamethasone
and he has made some improvement but not as much as the first time.
He is current on all his vaccinations, WN, 4-way, and rabies. He has
been tested for WN, all the encephalitis' (in case of a vaccine break)
and EHV-1 or equine herpes. Negative on WN, we are awaiting the
remainder of the results. The vet does not think it is EPM as we have
no possums. He was in turnout and it has been re-examined for
poisonous plants and there are none. My other 2 horses (aged 27 and
18) are not affected as of yet (knock wood.) He eats the same alfalfa
and grass hay as the other two. A few days before the first
occurrence, he got into a tussle with one of the other horses. There
was a bit of missing hair but no contusions, swellings or heat
anywhere. Nor was he off in his gaits. However I did not see the
fight. I would think if the fight was bad enough to do damage (could
it be a twisted hip? Or pinched nerve?) there would be swelling. The
vet also believed that the uncoordination of the hind was not a
response to pain, but a neurological event.
Anyone have any experience with horses having strokes or know of any
threads I should check out? I have not found much on equines and
stroke. Until the beginning of October he was the healthiest one in my
bunch as the other two have tendon/joint issues.
The vet seems frustrated as are we. Any thoughts on other directions
we should take if the blood tests all come back negative? I have tried
to bring up all possibilities with the vet, meningitis, equine neuron
motor disease, an antioxidant deficiency, and all I am told are very unlikely. Stranger still, he has not left our ranch except for a 30
minute neighborhood trail ride on Labor day with some neighbors.
(Would some contagious disease take 30 days to present itself?) and
the other two have not left the property in a year, nor have we had
any horse visitors.
Thanks in advance for your help.
Julie
Ok, we now have the blood test results. The titers for rhino are a low positive of 128. Vet thinks this could be an indicator of EHV-1. If
so, there is not much more we can do except wait and support with anti- inflamatories. However, I ask, why is there no fever? Why did my other
2 show no signs (thank god)? The only contact with any other horses in
the last 6 months is with my neighbors' horses (who my husband fed a
week before the first episode. They go to shows but our 3 never leave
our ranch. I guess contamination could have happened there.) Our vet conferred with another vet and the other vet thought the
incoordination relapse could indicate EPM. So we are going to test
more blood. I know that it is not as effective as the spinal tap, and
will probably come back positive for exposure since he is 26, but I
guess it is something to rule out and start with. The vet will be
coming out at the end of the week and with him there I will discuss
spinal damage and radiographs, again. Something must be making him not
think it is injury or cancer based. But then again I know they get in
their familar grooves. I fought to have my stringhalted 27 year old
tested a few years back for EPSM with a different vet. A long shot he
said, but the horse came back positive! Diet did not really help much
to lessen the stringhalt but being turned out on 2.5 acres helped
immensely.
In the meantime the uncoordinated horse is maintaining. He is off on
the left hind but trots around his enclosure almost (key word) normal.
He eats, drinks. eliminates, rolls, all normal. Hates me now, even
without the banamine tube in my hand and runs away, so I guess he
feels better as he did not even try to flee when this first started.
Stay tuned...
Julie
My 26 year old gelding exhibited strange behavior 3 weeks ago and we immediately had the vet out. The horse could not walk in a straight
line; his hinds were all uncoordinated, with his legs turning inward.- Hide quoted text -
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