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Spontaneous pneumomediastinum is a rare medical condition characterized by the presence of free air in the mediastinum, not preceded by trauma, surgery, or another medical procedure. It predominantly affects young adult males and usually has a benign course, and in most cases, it is not possible to identify the precipitating factor. There are some conditions that predispose to its occurrence, namely those that lead to an increase in intrapleural pressure, such as coughing, vomiting, or vigorous exercise. We report a case of a 21-year-old male who presented with acute-onset shortness of breath after an episode of coughing and was found to have mediastinal and subcutaneous emphysema. Clinical, laboratory, and radiological studies did not demonstrate any predisposing factor, and the case was classified as spontaneous pneumomediastinum.
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http://dx.doi.org/10.7759/cureus.47015 | DOI Listing |
Cureus
February 2025
Internal Medicine, Hospital de Santa Maria, Unidade Local de Saúde de Santa Maria, Lisboa, PRT.
Pneumomediastinum is a rare clinical condition defined by the presence of free air in the mediastinum. We present the case of a 57-year-old male with severe COVID-19 pneumonia, complicated by pneumomediastinum and subcutaneous emphysema, in a patient without identifiable risk factors for such complications. The patient, a non-smoker with no known lung comorbidities, received medical treatment for COVID-19 and underwent non-invasive ventilation prior to the onset of emphysema.
View Article and Find Full Text PDFEncysted pneumomediastinum with septations is an extremely rare phenomenon. Talc treatment can leak through fistulous tracts to the mediastinum, walling off air collection, which is not commonly described in the literature. Clinicians should be aware of this complication, as these can be easily missed, causing complications.
View Article and Find Full Text PDFBMC Pulm Med
February 2025
Thoracic and Vascular Surgery Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: Pleuroparenchymal fibroelastosis (PPFE) is a rare and distinct form of Interstitial lung disease predominantly affecting the upper lung zones. It is characterized by fibrotic thickening of the visceral pleura and adjacent subpleural parenchyma. While common complications include spontaneous pneumothorax and pneumomediastinum, vocal cord paralysis (VCP) or paresis has been increasingly recognized as a potential manifestation in recent reports.
View Article and Find Full Text PDFJ Med Case Rep
February 2025
Royal Free NHS Foundation Trust, London, UK.
Background: Pneumomediastinum in pregnancy has been described in around 200 cases, with an incidence of 1:100,000 pregnancies. The etiology is presumed to be either alveolar barotrauma secondary to the Valsalva maneuver (Hamman's syndrome) during the second stage of labor, or spontaneous esophageal rupture (Boerhaave's syndrome). The latter has a much higher morbidity/mortality and classically arises from esophageal rupture during excessive vomiting.
View Article and Find Full Text PDFPediatr Pulmonol
February 2025
Serviço de Pediatria, Unidade Local de Saúde do Oeste, Caldas da Rainha, Portugal.
Introduction: Pneumomediastinum is an uncommon condition in pediatrics with a peak incidence in adolescence. The most common symptom of spontaneous pneumomediastinum (SPM) is chest pain; however, most patients are asymptomatic. Hamman's sign is a rare but pathognomonic sign of pneumomediastinum.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!