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Sinus infection: notice that the eye is almost closed from pain and inflammation
Sinus infection post surgery: happy horse - eye wide open. A drain goes from the sinus into the nose
Sinus flap surgery: this sinus had to be reconstructed because of a kick
Frontal sinus cyst: a tumour that was successfully removed surgically Endoscopic surgery Radiofrequency techniques have allowed us to treat conditions like guttural pouch tympany in foals using a non invasive technique through the endoscope. The xray below shows a tumor in the sinus called a progressive ethmoidal hematoma. Radiofrequency through the endoscope was used to reduce the tumor size and control bleeding.  Soft Palate Problems: Race horses that "swallow their tongue" or dorsally displace their soft palate over top of their epiglottis end up choking for a distance and losing the race. The picture below shows the surgical correction for this problem -a sternothyrohyoid myectomy. This is done standing in the ventral upper neck area. An additional surgery that can be done for non responsive cases is called a tie forward procedure. The latter requires a general anesthetic while the former is done standing.
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Video endoscopy allows us to pass a flexible fiberoptic "scope" up your horses nose and record it all off a TV monitor!  Areas we routinely examine include the nasal passages, the throat (larynx), the guttural pouches (unique to the horse), the windpipe (trachea) and the conchal sinuses. 
The horse in the picture above has a Progressive Ethmoidal Hematoma which after radiosurgery is also injected with formalin using special needles that go through the scope. Snares and retrieval forceps allow us to remove chondroids (puss marbles) out of guttural pouches Sinus problems: Many horses have sinus problems which may relate to a bad tooth. If necessary the sinuses can be further examined through a small hole using the rigid scope or with the flexible endoscope through a larger trephine hole. Sinuses and other skull problems are also examined with xrays. Where before extensive sinus surgery was done under general anaesthetic we now do many of our sinus surgeries with the horse sedated but standing in stocks. Roarers: Laryngeal surgery called a laryngoplasty is done using updated technology. The problem is a left sided paralysis of the cartilage that lifts up when a horse breaths in. The result is the horse can't get air intake and makes a "roaring" noise. Surgery does not replace normal function but can stabilise the cartilage in a fixed position. This surgery is done under a general anesthetic.  The new "prosthesis" that achieves this is a monofilament type cable that is secured in position with a special tensioning device. Once the correct tension is achieved (confirmed by endoscopic evaluation during surgery) than clips are applied with a special crimping device that maintains the tension. In cases with cartilage problems (chondritis) or where laryngoplasty has not achieved the expected results we now are doing an arytenoidectomy - a technique where part of the collapsed cartilage is actually removed. Epiglottal entrapment: A condition where a fold of tissue traps the epiglottis This is treated by surgical division of the membrane. Recently we have started doing this procedure through the scope using radiosurgery. |
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Kleider Veterinary Services 8036 - 232 Street RR#6 Langley, British Columbia V1M 3R8 Office (604) 888-7565 Fax: (604) 888-4033 nkleider@aol.com Our
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Lameness
Diagnostics
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Podiatry
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Fluroscopy
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Ultrasound |
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