Document Detail

Retrocardiac pneumomediastinum: radiographic finding and clinical implications.
MedLine Citation:
PMID:  2296498     Owner:  NLM     Status:  MEDLINE    
Fourteen neonates with posterior mediastinal air collections (retrocardiac pneumomediastinum) are described. In the majority of the infants (13 of 14), the mediastinal air developed as a complication of assisted ventilation. It is suggested that the retrocardiac pneumomediastinum represents air trapped in a potential space in the mediastinum posterior to the heart and not within the pulmonary ligament. The collections have a variable shape and size and rarely may produce a tension phenomenon elevating the posterior, inferior portion of the heart off of the diaphragm. There was a strong association of retrocardiac pneumomediastinum with other manifestations of extraalveolar air, including pulmonary interstitial emphysema (13 of 14 infants), pneumothorax (10 of 14 infants), dissection of air into the soft tissues of the neck (10 of 14 infants), and pneumoperitoneum (5 of 14 infants).
D L Rosenfeld; C E Cordell; N Jadeja
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Pediatrics     Volume:  85     ISSN:  0031-4005     ISO Abbreviation:  Pediatrics     Publication Date:  1990 Jan 
Date Detail:
Created Date:  1990-02-14     Completed Date:  1990-02-14     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  92-7     Citation Subset:  AIM; IM    
Department of Radiology, University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, New Brunswick 08903-0019.
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MeSH Terms
Heart / radiography
Infant, Newborn
Mediastinal Emphysema / etiology,  radiography*
Radiography, Thoracic
Respiration, Artificial / adverse effects

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