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ears
#1
Conductive hearing loss in four dogs associated with the use of ointment‐based otic medications
Lynette K. Cole 
 
Päivi. J. Rajala‐Schultz 
 
Gwendolen Lorch

First published: 17 April 2018
 
https://doi.org/10.1111/vde.12542


This is the very LATEST Study in Using Ear Medication In Dogs

 

Dogs suffer from itchy ears regularly due to mites and occasionally by not being groomed.

Owners attend vets to seek treatment and they have ears examined and are given usually ointment based therapies in the hope it clears. Usually in the short term it will however unless ears are flushed and cleaned effectively then owners will be making a return visit to their vets to seek a better treatment and this time they will be given a steroid based ointment for insertion into ears.

These treatments ointment-based otic medication containing betamethasone, clotrimazole and gentamicin in a mineral oil-based system containing a plasticized hydrocarbon gel.can significantly alter how your dog responds in the immediacy, some owners will think aw Fido is now 12 they cant hear as well. The reality is that if Fido could hear before treatment then they should be hearing as well post treatment. Dogs, ranging from 9 to 11 years old, that had been treated with the otic medication for one to three weeks prior to hearing loss and on otoscopic examination had evidence of medication in the horizontal ear canals.

Hearing loss (HL) is classified as conductive when sound transmission is compromised in the ear canal or middle ear, or sensorineural when there is an abnormality of the receptor cells of the cochlea or auditory pathway. Hearing in dogs is evaluated using the brainstem auditory evoked response (BAER) test./r/n

I regularly inform owners of the importance of doing an ear flush to ascertain if

1) an obstruction is present

2) The dog has scratched its inner ear with claws due to scratching

In fact I have treated quite successfully over 30 dogs in past 3 years with persistent ear scratching and they have always had no reason to return to the vet for further treatments , with one client she returned to the vet and was given the exact same regime I had advised but because it was a vet informing the owner the treatment was carried out with much more tenacity (even if not wholly )

A recent study in France has confirmed what was logic to me

·        Version of Record online:17 April 2018

·        Manuscript accepted:19 February 2018

 

Here it is

Methods

Dogs were anaesthetized for an ear flush to remove the medication from the ear canals. Hearing was assessed using BAER testing, measurements were initiated with 116 decibel peak equivalent sound pressure level (dBpeSPL) click. Estimated threshold was defined as the lowest intensity in dB in which wave V was still present.

Results

Postear flush the estimated threshold improved in both ears of all dogs (mean 22.3 dB; range 13–41 dB), confirming conductive HL due to the otic medication. All owners noted an improvement in their dog's hearing postear flush, validating the BAER findings.

Conclusions and clinical importance

These results emphasize the importance of an ear flush to remove otic medications in dogs that experience acute HL, to determine if the HL is conductive, and if so, to restore hearing.

Conductive hearing loss in four dogs associated with the use of ointmentbased otic medications

Lynette K. Cole 

 

Päivi. J. RajalaSchultz 

 

Gwendolen Lorch

First published: 17 April 2018

 

https://doi.org/10.1111/vde.12542

 

I am NOT permitted to state what I use to flush ears with and I have to ensure that readers know dogs that I treat are  never sedated, they are gently placed in a calm mode using hypnosis.

 

If you would like to understand more look at the page or eurobichons

 

 

Early View

Online Version of Record before inclusion in an issue

 
 


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