Article Text

Retrospective analysis of 50 cases of guttural pouch tmpany in foals
  1. I. Blazyczek, DrMedVet1,
  2. H. Hamann, DrAgrSci1,
  3. E. Deegen DrMedVet, Drhc, DrMedVet, DrHabil2,
  4. O. Distl, DrMedVet, DrHabil1 and
  5. B. Ohnesorge, DrMedVet2
  1. 1 Institute of Animal Breeding and Genetics, School of Veterinary Medicine Hannover, Buenteweg 17p, D-30559 Hannover, Germany
  2. 2 Clinic for Horses, School of Veterinary Medicine Hannover, Bischofsholer Damm 15, D-30173 Hannover, Germany


Between 1994 and 2001, guttural pouch tympany was diagnosed in 51 foals; there were approximately three times as many fillies as colts, of Arabian, different German warmblood breeds and Western horse breeds. There were significantly more Arabian and paint horse foals than expected in comparison with the breed distribution of the foals hospitalised at the Clinic for Horses. The foals' breed and sex did not influence the age of onset, the type and severity of the clinical signs or the recurrence rate. A surgical laser technique was used on 50 of the foals; in 35 cases only one surgical treatment was necessary, in seven cases a second operation was required during the foal's initial period of hospitalisation, and in eight cases a second operation was performed during a second period of hospitalisation. Long-term follow-up information was obtained for 44 of the 50 treated horses; 24 of them were under two years of age and 20 were over two years of age. In six horses, no follow-up information was available. Four horses were euthanased for reasons unrelated to the condition or its treatment. The horses over two years of age were in training or were being used for competitions in dressage or jumping or for breeding purposes, and in only one of them was an adventitious respiratory noise reported. All the horses up to two years of age were reported to be healthy.

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