Pneumomediastinum and Pneumorrhachis Associated With Cannabinoid Hyperemesis Syndrome

Garcia, Laura  R Hernandez; Kemper, Suzanne; Chillag, Shawn A

doi:10.7759/cureus.32380

Cited by 3 publications

(1 citation statement)

References 11 publications

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“…neumorrhachis, or air within spine canal, is a rare phenomenon in which gas has been introduced into the spinal column most commonly because of iatrogenic causes or traumatic insult 1 . However, there is an increasing number of case reports of spontaneous pneumorrhachis associated with pneumomediastinum secondary to forceful emesis or barotrauma such as heavy coughing [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18] . Other reported etiologies include airway obstruction after foreign body aspiration 3 and physical exertion after recreational drug use (Ecstasy and marijuana) 19 .…”

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confidence: 99%

Spontaneous Pneumorrhachis Secondary to Rhinovirus-Associated Emesis with Demonstrated Pathophysiology

Willenbring,

Stark,

Tallarico

2024

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Case: This case of a 14-year-old boy presented with repetitive coughing secondary to a rhinovirus infection. In addition to pneumomediastinum, imaging demonstrated asymptomatic, yet significant holocord pneumorrhachis. Conclusion: Ectopic gas within the spinal canal, also referred to as pneumorrhachis or “epidural gas,” may be traumatic, iatrogenic, or less commonly, spontaneous. It is typically an incidental and asymptomatic finding in the setting of pneumomediastinum. Proposed pathophysiology includes air tracking through the intercostal fascial planes posteriorly through the neuroforamina, which offer a theoretical point of entry. Our case clearly demonstrates air along the entirety of the fascial planes confirming the proposed pathophysiology.

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confidence: 99%

Spontaneous Pneumorrhachis Secondary to Rhinovirus-Associated Emesis with Demonstrated Pathophysiology

Willenbring,

Stark,

Tallarico

2024

JBJS Case Connector

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Pneumorrhachis

Nibber

2024

Radiopaedia.org

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Spontaneous pneumomediastinum: A comprehensive review of diagnosis and management

Talwar,

Rajeev,

Rachapudi

et al. 2024

IRDR

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spontaneous pneumomediastinum, mediastinal emphysema, chest pain, subcutaneous emphysema, systematic review Pneumomediastinum is a rare condition defined by the presence of air in the mediastinum. In the absence of traumatic injury, iatrogenic injury, or clear etiology, it is called spontaneous pneumomediastinum (SPM). Spontaneous pneumomediastinum most commonly occurs in younger individuals and has a self-limiting course with a good outcome. The purpose of the present manuscript is to systematically review the existing literature on SPM evaluation and management for updated clinical understanding of this condition. A literature search was conducted of publications about SPM on MEDLINE/PubMed and Google Scholar by identifying all the articles with key search terms "pneumomediastinum" and "spontaneous pneumomediastinum". Inclusion criteria were case series published in English between 1980 and 2023. In total, 24 case series were selected and reviewed to determine presenting symptoms, clinical signs and predisposing factors associated with spontaneous pneumomediastinum. Most patients were male; the average age at diagnosis was 26.3 years. The most common presenting symptoms were chest pain and dyspnea. The most common exam finding was subcutaneous emphysema, in 35.4% of patients. Only 5.9% had the classic Hamman's sign. Risk factors include history of asthma, history of smoking, and recent physical activity. This manuscript presents an extensive review of relevant literature highlighting the diagnosis and essential management of spontaneous pneumomediastinum.

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Pneumomediastinum and Pneumorrhachis Associated With Cannabinoid Hyperemesis Syndrome

Cited by 3 publications

References 11 publications

Spontaneous Pneumorrhachis Secondary to Rhinovirus-Associated Emesis with Demonstrated Pathophysiology

Spontaneous Pneumorrhachis Secondary to Rhinovirus-Associated Emesis with Demonstrated Pathophysiology

Pneumorrhachis

Spontaneous pneumomediastinum: A comprehensive review of diagnosis and management

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