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Ryan Shoemaker

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Papers by Ryan Shoemaker

Canadian journal of veterinary research = Revue canadienne de recherche veterinaire, 2004

The feasibility of leaving the ovaries within the peritoneal cavity after laparoscopic coagulatio... more The feasibility of leaving the ovaries within the peritoneal cavity after laparoscopic coagulation and transection of the ovarian pedicle was assessed in the juvenile horse. Elective ovariectomy was performed on 10 quarter horses, aged 4 to 5 mo, with the fillies in a Trendelenburg position. The mesovarium was isolated, and multiple coagulation and transection cycles were performed until all ovarian attachments had been severed. The ovaries were dropped within the abdomen, and hemostasis of the transected mesovarium was evaluated before closure. The mean surgical time was 33 min (range, 23 to 48 min). Ten weeks after surgery the fillies were humanely euthanized. At postmortem examination, the ovary location within the abdomen was noted. In 1 horse, there was an abdominal adhesion; viscera had been punctured during insufflation. Of the 20 ovaries, 4 were free-floating within the abdominal cavity; the other 16 were enveloped in the free portion of the greater omentum in the craniovent...

Canadian Journal of Veterinary Research Revue Canadienne De Recherche Veterinaire, 2004

The Canadian veterinary journal. La revue vétérinaire canadienne, 2003

Canadian journal of veterinary research = Revue canadienne de recherche vétérinaire, 2004

The Canadian veterinary journal. La revue vétérinaire canadienne, 2005

The medical records of equine gastrointestinal colic cases presented to the Western College of Ve... more The medical records of equine gastrointestinal colic cases presented to the Western College of Veterinary Medicine between 1992 and 2002 are reviewed. There was no breed predisposition to colic. Geldings were more prone to colic than females and stallions. Overall, the 3 most common causes of colic were large colon impaction (20.8%), large colon displacement (16.5%), and spasmodic colic (11.7%), after excluding the 13% of cases in which the diagnosis was undetermined. Of the medical cases, large colon impaction (38.4%) and spasmodic colic (22.5%) were the most common. Of the surgical cases, large colon displacement (24.5%), large colon torsion (14.3%), and strangulating lipoma (13.5%) were the most common. Recovery rate for the medical cases was 93.6%. Recovery rate for surgical cases was 73.5%. In conclusion, most of the equine colic cases were medical, and the recovery rates for both surgical and medical cases were comparable with those of other studies.

3 although the disease is more often associated with mature performance horses that practice jump... more 3 although the disease is more often associated with mature performance horses that practice jumping or western performance horses used for reining, roping, barrel racing, or cutting.The most common treatments are oral nonsteroidal anti-inflammatory agents and intra-articular medications. Surgical therapies are typically reserved for horses that have become unresponsive to medical management. Recently devel- oped surgical techniques have increased the success of returning horses to their intended use after medical therapy is no longer efficacious. This issue of Large Animal Veterinary Rounds reviews the risk factors for bone spavin, diagnostic techniques, and various treatment and management options for this common lameness.