Document Detail


Azygous Continuation of the Inferior Vena Cava With Anomalous Hepatic Vein Drainage.
MedLine Citation:
PMID:  22104431     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A 62-year-old woman was referred for evaluation of hypoxemia. Despite a resting SaO2 of 89%, she was otherwise asymptomatic. The arterial blood gas on room air demonstrated a pO2 of 58 mm Hg. Two shunt studies confirmed a shunt fraction of 25%. Echocardiogram with agitated saline demonstrated bubbles in the left atrium. Nuclear perfusion study revealed no uptake over the kidneys or brain. Computed tomography of the chest and cardiac magnetic resonance imaging confirmed the presence of a large shunt (azygous continuation of the inferior vena cava [ACIVC] with anomalous hepatic vein drainage). A large shunt fraction dictates either significant cardiac septal defect or an extracardiac shunt. The finding of ACIVC should prompt consideration of other vascular or cardiac abnormalities. The true incidence of isolated ACIVC is not known, as limited ACIVC may remain asymptomatic. However, the spectrum of vascular, cardiac and somatic abnormalities that may accompany ACIVC is quite varied.
Authors:
F Javier Flores Guardado; Timothy M Byrd; William G Petersen
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-17
Journal Detail:
Title:  The American journal of the medical sciences     Volume:  -     ISSN:  1538-2990     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370506     Medline TA:  Am J Med Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
From the Division of Pulmonary and Critical Care (jfg, wgp) and the Department of Internal Medicine (tmb), Scott & White, Texas A & M College of Medicine, Temple, Texas.
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