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Reflux-Associated Oxygen Desaturations: Usefulness in Diagnosing Reflux-Related Respiratory Symptoms.
MedLine Citation:
PMID:  23143640     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Current diagnostic techniques establishing gastroesophageal reflux disease as the underlying cause in patients with respiratory symptoms are poor. Our aim was to provide additional support to our prior studies suggesting that the association between reflux events and oxygen desaturations may be a useful discriminatory test in patients presenting with primary respiratory symptoms suspected of having gastroesophageal reflux as the etiology. METHODS: Thirty-seven patients with respiratory symptoms, 26 with typical symptoms, and 40 control subjects underwent simultaneous 24-h impedance-pH and pulse oximetry monitoring. Eight patients returned for post-fundoplication studies. RESULTS: The median number (interquartile range) of distal reflux events associated with oxygen desaturation was greater in patients with respiratory symptoms (17 (9-23)) than those with typical symptoms (7 (4-11, p < 0.001)) or control subjects (3 (2-6, p < 0.001)). A similar relationship was found for the number of proximal reflux-associated desaturations. Repeat study in seven post-fundoplication patients showed marked improvement, with reflux-associated desaturations approaching those of control subjects in five patients; 20 (9-20) distal preoperative versus 3 (0-5, p = 0.06) postoperative; similar results were identified proximally. CONCLUSIONS: These data provide further proof that reflux-associated oxygen desaturations may discriminate patients presenting with primary respiratory symptoms as being due to reflux and may respond to antireflux surgery.
Authors:
Candice L Wilshire; Renato Salvador; Boris Sepesi; Stefan Niebisch; Thomas J Watson; Virginia R Litle; Christian G Peyre; Carolyn E Jones; Jeffrey H Peters
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-10
Journal Detail:
Title:  Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract     Volume:  -     ISSN:  1873-4626     ISO Abbreviation:  J. Gastrointest. Surg.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706084     Medline TA:  J Gastrointest Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester School of Medicine and Dentistry, 601 Elmwood Avenue, Box SURG, Rochester, NY, 14642, USA.
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