Spontaneous pneumomediastinum in the racing Greyhound

Jones, B. R.; Båth, Magnus; Wood, Anna

doi:10.1111/j.1748-5827.1975.tb05712.x

Cited by 11 publications

(10 citation statements)

References 4 publications

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“…The most common presumptive trigger for spontaneous pneumomediastinum was emesis, which is also the case in people and has been reported in dogs . Reports in dogs also suggest an association of spontaneous pneumomediastinum with exercise . Asthma flare‐ups are also regarded as common triggers in people, but there was no history or diagnosis of asthma in any cat in this study …”

Section: Discussionmentioning

confidence: 46%

“…In cats, pneumomediastinum has been reported after endotracheal intubation with and without positive pressure ventilation, trauma, and endoscopic retrieval of a foreign body . Spontaneous pneumomediastinum is rare but has been described in dogs after exercise, acute vomiting, and from unknown causes . To the authors’ knowledge it has not been reported in cats.…”

Section: Introductionmentioning

confidence: 95%

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Pneumomediastinum in cats: 45 cases (2000–2010)

Thomas

Syring

2013

J Vet Emergen Crit Care

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Objective -To characterize the incidence, etiology, presenting complaint, clinical course, and outcome of cats with pneumomediastinum. Design -Retrospective study from the period of January 1st, 2000 to December 31st, 2010. Setting -University teaching hospital. Animals -Forty-five cats with a radiographic diagnosis of pneumomediastinum. Interventions -None. Measurements and Main Results -Medical and radiographic records were reviewed to identify cats with a radiographic diagnosis of pneumomediastinum. Clinical data were retrieved, including signalment, history, presenting clinical signs, diagnostic test results, treatment, complications, and survival to discharge. In 31 of 45 (69%) cats the pneumomediastinum was secondary to an obvious inciting cause. General anesthesia with endotracheal intubation and positive pressure ventilation was the most common cause in 17 of 45 (38%) cases. This was followed by trauma in 12 of 45 (27%) cats, and tracheal foreign bodies in 2 of 45 (4%) cats. Spontaneous pneumomediastinum (unknown underlying cause) was diagnosed in 14 of 45 (31%) of cases. Onset of clinical signs and diagnosis of spontaneous pneumomediastinum was preceded by emesis in 6 of 14 cats. Common presenting signs were tachypnea seen in 27 of 45 (60%) cats, increased respiratory effort in 26 of 45 (58%) cats, and subcutaneous emphysema in 30 of 45 (66%) cats. Concurrent pneumothorax was identified in 21 of 45 (47%) cats, pleural effusion in 10 of 45 (22%), and pneumoretroperitoneum in 21 of 45 (47%). The mainstay of treatment was supportive care and treatment of the underlying disease process. The prognosis for recovery was good, with 87% survival until hospital discharge. Conclusions -Pneumomediastinum in cats is an infrequently diagnosed condition. It is often secondary to an event such as general anesthesia with endotracheal intubation and positive pressure ventilation but less frequently may occur spontaneously. The prognosis is good with appropriate supportive care. Crit Care 2013; 23(4): 429-435) (J Vet Emerg

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Section: Discussionmentioning

confidence: 46%

Section: Introductionmentioning

confidence: 95%

Pneumomediastinum in cats: 45 cases (2000–2010)

Thomas

Syring

2013

J Vet Emergen Crit Care

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“…Mild transient nasal mucosal irritation has been observed in dogs after administration of iodinated contrast media. [4][5][6][7][8] Severe free air in the subcutaneous tissue resulting from trauma may increase the risk of infection. 3 Pathologic processes identified by positive contrast rhinography include edema, mild destruction of the nasal conchae, space-occupying lesions that appear as filling defects, and bone destruction suggested by leakage of contrast material into the facial tissue.…”

mentioning

confidence: 99%

“…4 Severe pneumomediastinum may decrease ventilation, because air accumulation in the mediastinum can interfere with lung expansion, resulting in impaired gas exchange. 7 Pneumomediastinum and pneumothorax may develop after laryngeal surgery. 4 Positive contrast sinography has been used to evaluate sinus tracts in a variety of locations, including the head, neck, paws, and pharyngeal areas in dogs.…”

mentioning

confidence: 99%

“…4 Positive contrast sinography has been used to evaluate sinus tracts in a variety of locations, including the head, neck, paws, and pharyngeal areas in dogs. 4,7 Pneumomediastinum and cervical and facial subcutaneous emphysema secondary to facial trauma have been reported in humans. 3,9,11 To the authors' knowledge, there are no reports in the veterinary medical literature describing the use of intranasal contrast sinography in dogs.…”

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confidence: 99%

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Use of positive contrast rhinography and intranasal sinography for diagnosis of a nasofacial sinus tract in a dog

Cruz-Arambulo¹,

Monnet²,

Steyn³

et al. 2003

javma

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Twelve days after a dog fight, a 2-year-old sexually intact female Bulldog was evaluated because of subcutaneous emphysema of increasing severity throughout the dogs body. Thoracic radiography revealed severe pneumomediastinum from which free air had extended into the retroperitoneal space, resulting in pneumoperitoneum. Tracheoscopic examination did not reveal a discontinuity of the trachea, pharynx, or larynx. A breach between the nasal cavity and subcutaneous tissues of the nasal region was suspected. Further diagnostic investigations included positive contrast rhinography and intranasal sinography. Via an angiographic catheter inserted into the left naris, positive contrast intranasal sinography revealed a sinus tract extending between the left nasal cavity and the subcutaneous tissue of the dorsal aspect of the nasal planum. Resolution of subcutaneous emphysema, pneumomediastinum, and pneumoretroperitoneum began 1 day after surgical closure of the intranasal opening of the sinus tract. To the authors' knowledge, this radiographic technique has not been reported.

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Mediastinum

Hecht

2023

Atlas of Small Animal Diagnostic Imaging

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Spontaneous pneumomediastinum in the racing Greyhound

Cited by 11 publications

References 4 publications

Pneumomediastinum in cats: 45 cases (2000–2010)

Pneumomediastinum in cats: 45 cases (2000–2010)

Use of positive contrast rhinography and intranasal sinography for diagnosis of a nasofacial sinus tract in a dog

Mediastinum

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