In This Issue • October 1, 2016

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JAVMA News

Fifty years ago, the Animal Welfare Act was signed into law to protect laboratory animals and regulate animal dealers and the research facilities they supplied. In other news, attendees at AVMA Convention 2016 walked away with continuing education, better connections with others in the profession, and memories of San Antonio.

See page 706

Letters to the Editor

See page 735

What Is Your Diagnosis?

See page 743

Animal Behavior Case of the Month

See page 747

Pathology in Practice

See pages 751, 755

commentary

Pets and human suicide

Extensive research highlights the bond between humans and pet animals, including the potential benefits of this human-animal bond, but little information is available on whether or how the human-animal bond may affect suicidal ideation.

See page 740

perspectives in professional education

Vocational choices made by alumni of the Leadership Program for Veterinary Students at Cornell University

Comparison of vocational aspirations and outcomes of participants in the 10-week Leadership Program for Veterinary Students at Cornell University suggested that the program had some influence on vocational choices. However, a substantial proportion of participants pursued careers in clinical practice after graduation.

See page 759

Small Animals & Exotic

Comparison of dogs with presumptive ischemic myelopathy versus acute noncompressive nucleus pulposus extrusion

Ischemic myelopathy and acute noncompressive nucleus pulposus extrusion are common neurologic emergencies in dogs. Definitive diagnosis requires histologic or, with ANNPE, surgical confirmation. A presumptive diagnosis can be made on the basis of established MRI criteria, but a review of 51 dogs with ischemic myelopathy and 42 dogs with ANNPE indicated that clinical signs could also help in differentiating these conditions. Dogs with ANNPE were older at disease onset and more likely to have a history of vocalization at onset of clinical signs, spinal hyperesthesia, and a lesion localized to the C1-C5 spinal cord segments. Dogs with ischemic myelopathy were more likely to have a lesion localized to the L4-S3 spinal cord segments.

See page 767

Manual and automated measurements of reticulocyte parameters for classification of anemia in dogs

Early classification of anemia as regenerative or nonregenerative provides important information on the disease mechanism and is essential for correct diagnosis and management of affected patients. However, a review of medical records for 174 dogs with anemia indicated that the diagnostic performance of specific reticulocyte parameters was dependent on whether a manual or automated method was used to determine those parameters. In addition, findings suggested that lower cutoffs than published reference limits are preferred for reticulocyte numbers and production index and higher cutoffs are preferred for reticulocyte percentage. Reticulocyte production index may be useful when the pretest probability of regeneration is moderate.

See page 776

Perioperative morbidity and outcome of esophageal surgery in dogs and cats

Limited information is available on outcome of esophageal surgery in dogs and cats. In a review of medical records for 63 dogs and 9 cats that underwent esophageal surgery, the most common indication for surgical intervention was an esophageal foreign body in dogs (50/63 [79%]) and esophageal stricture in cats (3/9). Complications were documented in 34 of 63 (54%) dogs and 3 of 9 cats. Partial esophagectomy and resection with anastomosis were significantly associated with development of immediate postoperative complications in dogs. The most common delayed postoperative complications were persistent regurgitation (7 dogs) and esophageal stricture formation (3 dogs, 1 cat). Six (10%) dogs and 1 cat died or were euthanized prior to discharge.

See page 787

Treatment of a perforating thoracic bite wound in a dog with negative pressure wound therapy

A 4-year-old Dachshund was examined following a bite attack 5 days previously. On initial examination, the patient was recumbent with signs of septic shock and a flail chest. Three penetrating wounds in the left thoracic wall with malodorous discharge were evident. Open surgical debridement with left lateral lung lobectomy and resection of portions of the left thoracic wall were performed. Extensive soft tissue loss precluded primary reconstruction. Therefore, the defect was stabilized with a polypropylene mesh implant, and negative pressure wound therapy was initiated. The NPWT dressing was changed 2, 5, and 7 days after surgery, and the mesh was completely covered with granulation tissue 10 days after surgery.

See page 794

Surgical management of multiple metatarsal fractures in a chinchilla

A 3-month-old chinchilla (Chinchilla lanigera) was treated because of oblique displaced fractures of the right metatarsal bones and an open wound on the medial aspect of the right metatarsal region that exposed the second metatarsal bone. The protruding fragment of the second metatarsal bone was excised, and the third and fourth metatarsal bones were repaired with intramedullary pinning combined with an epoxy resin external fixator. The chinchilla was bearing weight on the affected limb 9 days after surgery, and the implants were removed 35 days after surgery. Fifty-six days after surgery, the chinchilla was bearing full weight on the limb, and radiographs showed bony union of the third, fourth, and fifth metatarsal bones.

See page 801

Special Report

Referring veterinarians’ perceptions of and reasons for referring patients to rehabilitation facilities

To help understand factors that encouraged or impeded referral of veterinary patients to rehabilitation facilities, surveys were sent to 2,738 veterinarians on referral lists for 9 US rehabilitation facilities. Of these, 461 (16.8%) were returned. Most respondents (324/461 [70.3%]) had referred patients for postoperative rehabilitation therapy. Respondents ranked neurologic disorder as the condition they would most likely consider for referral for rehabilitation therapy. The most frequently cited reasons for not referring for rehabilitation therapy were perceived cost (251/461 [54.4%]) and distance to a rehabilitation facility (135/461 [29.3%]). Most (403/461 [87.4%]) respondents felt that continuing education in veterinary rehabilitation was lacking.

See page 807

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