Document Detail


Paradoxical carbon dioxide embolism during pneumoperitoneum in laparoscopic surgery for a huge renal angiomyolipoma.
MedLine Citation:
PMID:  18436506     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We present a case of paradoxical gas embolism during CO2 insufflation in laparoscopic nephrectomy for a huge renal angiomyolipoma. Paradoxical CO2 embolism in the left heart chambers without demonstrable intracardiac right-to-left shunt was detected by transesophageal echocardiography (TEE). The surgical procedure was stopped immediately, but the patient recovered with mild neurologic deficit. We speculate that rapid pneumoperitoneum introduction pushed CO2 into the abnormal vasculature of the angiomyolipoma, which communicates with the systemic vascular system, causing pseudoaneurysm formation. Follow-up abdominal computed tomography showed a new pseudoaneurysm inside the tumor. If intracardiac right-to-left shunt is excluded for the reason of paradoxical gas existence, there remains extracardiac right-to-left shunt, with transpulmonary passage of the venous emboli being the most likely mechanism. In fact, the cause of paradoxical gas embolism in this case remains unknown. Therefore, laparoscopic surgery for huge angiomyolipoma should be performed with extreme caution; an open procedure may be considered as an alternative.
Authors:
Yu-Yin Huang; Hsin-Lun Wu; Mei-Yung Tsou; Hsiao-Jen Zong; Wan-You Guo; Kwok-Hon Chan; Chien-Kun Ting
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of the Chinese Medical Association : JCMA     Volume:  71     ISSN:  1726-4901     ISO Abbreviation:  J Chin Med Assoc     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-04-25     Completed Date:  2008-07-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101174817     Medline TA:  J Chin Med Assoc     Country:  China (Republic : 1949- )    
Other Details:
Languages:  eng     Pagination:  214-7     Citation Subset:  IM    
Affiliation:
Department of Anesthesiology, Cheng-Hsin Rehabilitation Medical Center, Taipei, Taiwan, R.O.C.
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MeSH Terms
Descriptor/Qualifier:
Aged
Angiomyolipoma / surgery*
Carbon Dioxide / adverse effects*
Echocardiography, Transesophageal
Embolism, Air / etiology*
Embolism, Paradoxical / etiology*
Female
Humans
Kidney Neoplasms / surgery*
Laparoscopy / adverse effects*
Pneumoperitoneum, Artificial / adverse effects*
Chemical
Reg. No./Substance:
124-38-9/Carbon Dioxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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