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Abstract

CASE DESCRIPTION A 17-month-old sexually intact male Vizsla and a 2-year-old spayed female mixed-breed dog were examined because of suspected intrathoracic grass awn migration.

CLINICAL FINDINGS Thoracic CT revealed focal areas of pulmonary infiltration in the right caudal lung lobe in one dog and in the left caudal lung lobe in the other. In 1 patient, bronchoscopy revealed 2 grass awns in the bronchi. Results of thoracic radiography and bronchoscopy were unremarkable in the second patient; however, a grass awn was recovered from the tonsillar crypt during oropharyngeal examination.

TREATMENT AND OUTCOME In both dogs, grass awns were successfully retrieved from the pleural cavity by means of video-assisted thoracic surgery during 1-lung ventilation. In one patient, a grass awn was recovered bronchoscopically from the left caudal lung lobe bronchus and another was visualized distally in an accessory lung lobe bronchus but could not be retrieved. This dog underwent accessory lung lobectomy. The second dog underwent left caudal lung lobectomy. Both patients recovered uneventfully from surgery, were discharged from the hospital, and had no apparent recurrence of clinical signs at telephone follow-up 31 months and 18 months after surgery.

CLINICAL RELEVANCE With careful case selection, successful management of intrathoracic grass awn migration in dogs can be achieved by means of video-assisted thoracic surgery. Comprehensive preoperative evaluation including both computed tomography and bronchoscopy is suggested. Further investigation is necessary to evaluate whether treatment of this condition with video-assisted thoracic surgery is as effective as with traditional open thoracotomy.

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in Journal of the American Veterinary Medical Association

Abstract

OBJECTIVE

To evaluate safety of stylet-in and stylet-out techniques for collection of CSF from the cisterna magna and to assess whether there were differences between techniques with regard to contamination of samples, sample quality, and efficiency of collection.

ANIMALS

10 adult purpose-bred research Beagles.

PROCEDURES

A prospective crossover study was conducted. Preanesthetic physical and neurologic examinations and hematologic analyses were performed. Dogs were anesthetized, and collection of CSF samples from the cisterna magna by use of a stylet-in or stylet-out technique was performed. Two weeks later, samples were collected with the other sample collection technique. Samples of CSF were processed within 1 hour after collection.

RESULTS

Cellular debris was detected in higher numbers in stylet-in samples, although this did not affect sample quality. The stylet-out technique was performed more rapidly. No adverse effects were detected for either technique.

CONCLUSIONS AND CLINICAL RELEVANCE

Both techniques could be safely performed in healthy anesthetized dogs. The stylet-out technique was performed more rapidly and yielded a sample with less cellular debris. Both techniques can be used in clinical practice to yield CSF samples with good diagnostic quality.

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in American Journal of Veterinary Research

Abstract

OBJECTIVE

To describe surgical technique, biopsy sample quality, and short-term outcome of minimally invasive small intestinal exploration and targeted abdominal organ biopsy (MISIETB) with use of a wound retraction device (WRD) in dogs.

ANIMALS

27 client-owned dogs that underwent MISIETB with a WRD at 1 of 4 academic veterinary hospitals between January 1, 2010, and May 1, 2017.

PROCEDURES

Medical records were retrospectively reviewed, and data collected included signalment; medical history; findings from physical, ultrasonographic, laparoscopic, cytologic, and histologic evaluations; surgical indications, procedures, duration, and complications; and short-term (14-day) outcomes. The Shapiro-Wilk test was used to evaluate the normality of continuous variables, and descriptive statistics were calculated for numeric variables.

RESULTS

Laparoscopic exploration was performed through a multicannulated single port (n = 18), multiple ports (5), or a single 6-mm cannula (4). Median length of the incision for WRD placement was 4 cm (interquartile [25th to 75th percentile] range, 3 to 6 cm). All biopsy samples obtained had sufficient diagnostic quality. The 2 most common histologic diagnoses were lymphoplasmacytic enteritis (n = 14) and intestinal lymphoma (5). Twenty-five of 27 (93%) dogs survived to hospital discharge, and 3 (12%) dogs had postsurgical abnormalities unrelated to surgical technique.

CONCLUSIONS AND CLINICAL RELEVANCE

Results indicated that MISIETB with WRD was an effective method for obtaining diagnostic biopsy samples of the stomach, small intestine, pancreas, liver, and mesenteric lymph nodes in dogs. Prospective comparison between MISIETB with WRD and traditional laparotomy for abdominal organ biopsy in dogs is warranted.

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in Journal of the American Veterinary Medical Association