Imaging Diagnosis—spontaneous Pneumomediastinum Secondary to Primary Pulmonary Pathology in a Dalmatian Dog

Agut, Amalia; Talavera, J.; Buendía, A. J.; Ansón, Agustina; Santarelli, Giorgia; Gómez, S.

doi:10.1111/vru.12223

Cited by 27 publications

(41 citation statements)

References 11 publications

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“…presence of air in mediastinum or mediastinal emphysema and bilateral pneumothorax, i.e. presence of air in pleural cavities following near drowning It must be noted that in literature several reports, the wider term spontaneous pneumomediastinum, has a more favourable outcome and even more rare compared to secondary pneumomediastinum, has been allowed even when a possible causative factor is identified 1 .…”

Section: Discussion:-mentioning

confidence: 99%

“…Another possible explanation for pneumomediastinum is, the abnormal increase of pressure in the mediastinum causing air to dissect in between the mediastinal structures, which support the mediastinal organs. A dramatic decrease in intravascular pressure also can create a relative pressure gradient in the perivascular spaces 1 . The air may then dissect to the neck, upper abdomen or the skin via the loose alveolar fat tissue (subcutaneous emphysema) 8 .…”

Section: Pathophysiologymentioning

confidence: 99%

“…Ultrasound of the mediastinum is lately applied in the emergency department, to identify pneumomediastinum in cases of high urgency. Based on chest x-ray and CT chest findings many patterns have been identified: thymic sail (elevation of thymus due to air, mainly seen in pediatric population), ring sign (caused by air surrounding the pulmonary artery or either of its main branches), double bronchial wall, continuous diaphragm sign, or air adjacent to hemidiaphragm or spine 1,19,20,21 .…”

Section: Diagnosismentioning

confidence: 99%

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A CASE REPORT ON PNEUMOMEDIASTINUM, PNEUMOTHORAX & SUBCUTANEOUS EMPHYSEMA FOLLOWING DROWNING.

Thakur¹,

Banerjee²,

Singh³

et al. 2019

IJAR

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We report a case of 18 year old male patient with alleged history of drowning evacuated from water within 2 minutes of submersion, needed initial resuscitation and ventilator support. Chest x-ray and CT chest diagnosed him with pneumomediastinum, bilateral pneumothorax and subcutaneous emphysema. Incidence of pneumomediastinum is a rare. It is usually managed conservatively. We are considering our case to be secondary pneumomediastinum as it developed following drowning and positive pressure ventilation. Though in literature several cases allowed to be reported as spontaneous pneumomediastinum following drowning or other causes, even when a possible causative factor was identified. Good prognostic indicators in case of near drowning in the emergency include GCS>5/15, short submersion time and spontaneous respiration and cardiac activity. Though our had respiratory failure, he was managed conservatively successfully and discharged home. Presence of pneumomediastinum, pneumothorax are not poor prognostic indicators per se in case of near drowning and can be treated conservatively.

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Section: Discussion:-mentioning

confidence: 99%

Section: Pathophysiologymentioning

confidence: 99%

Section: Diagnosismentioning

confidence: 99%

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A CASE REPORT ON PNEUMOMEDIASTINUM, PNEUMOTHORAX & SUBCUTANEOUS EMPHYSEMA FOLLOWING DROWNING.

Thakur¹,

Banerjee²,

Singh³

et al. 2019

IJAR

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“…Most affected patients (76%) are male [5]. In addition, several reports of pneumomediastinum in middle-aged patients reported that affected patients had some risk factors [6].…”

Section: Discussionmentioning

confidence: 99%

A possible new risk factor causing pneumomediastinum in a middle-aged patient: Anatomical weakness in the bronchial wall

Namiki¹,

Matsuno²,

Kobayashi³

2017

IJCRI

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International Journal of Case Reports and Images (IJCRI) is an international, peer reviewed, monthly, open access, online journal, publishing high-quality, articles in all areas of basic medical sciences and clinical specialties.Aim of IJCRI is to encourage the publication of new information by providing a platform for reporting of unique, unusual and rare cases which enhance understanding of disease process, its diagnosis, management and clinico-pathologic correlations.IJCRI publishes Review Articles, Case Series, Case Reports, Case in Images, Clinical Images and Letters to Editor. Website: www.ijcasereportsandimages.comA possible new risk factor causing pneumomediastinum in a middle-aged patient: Anatomical weakness in the bronchial wallHirofumi Namiki, Kazuhiko Matsuno, Tadashi Kobayashi ABSTRACT Introduction: Pneumomediastinum is a rare condition that occurs after physical trauma or other situations that lead to air leakage into the mediastinum. The present report describes a middle-aged patient with pneumomediastinum caused by breath-holding at work. Case Report: A 59-year-old Japanese male presented sudden coughing immediately after breath-holding at work. A chest X-ray was normal, and a computed tomography scan showed pneumomediastinum. The patient had no other predisposing factors for pneumomediastinum, such as trauma, chronic obstructive pulmonary disease or airway infection. Bronchoscopy revealed an anatomical weakness in the bronchial wall. He recovered with two months of conservative treatment. Conclusion: Pneumomediastinum should be considered in middle-aged patients who develop sudden coughing immediately after breath-holding. Anatomical weakness in the bronchial wall should be considered as a possible new risk factor.

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“…A dramatic decrease in in travascular pressure also can create a relative pressure gradient in the perivascular spaces. The air may then dissect to the neck, upper abdomen or the skin via loose alveolar fat tissue (subcu taneous emphysema) 19) .…”

Section: Conflicts Of Interestmentioning

confidence: 99%

A Case of Neonatal Pneumomediastinum with Subcutaneous Emphysema Suspected to Be Caused by Pharyngoesophageal Injury

Lee¹,

Kim²

2020

Neonatal Med

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Iatrogenic esophageal perforation is a rare condition in children, but occasionally occurs in premature infants due to repeated intubation or nasogastric tube insertion. Esophageal perforation is common in pneumothorax and interstitial emphysema, but rarely occurs in the absence of pneumothorax. Although complications, such as mediastinitis, after esophageal perforation are rare, they can be fatal. Therefore, rapid and accurate diagnosis and appropriate treatment are important. The authors report a case of huge retrocardiac pneumomediastinum and subcutaneous emphysema suspected to be caused by esophageal perforation after repeated intubation.

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Imaging Diagnosis—spontaneous Pneumomediastinum Secondary to Primary Pulmonary Pathology in a Dalmatian Dog

Cited by 27 publications

References 11 publications

A CASE REPORT ON PNEUMOMEDIASTINUM, PNEUMOTHORAX & SUBCUTANEOUS EMPHYSEMA FOLLOWING DROWNING.

A CASE REPORT ON PNEUMOMEDIASTINUM, PNEUMOTHORAX & SUBCUTANEOUS EMPHYSEMA FOLLOWING DROWNING.

A possible new risk factor causing pneumomediastinum in a middle-aged patient: Anatomical weakness in the bronchial wall

A Case of Neonatal Pneumomediastinum with Subcutaneous Emphysema Suspected to Be Caused by Pharyngoesophageal Injury

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