Document Detail

The relationship between esophageal peristalsis and in vivo intraband pressure measurements in gastric banding patients.
MedLine Citation:
PMID:  20490707     Owner:  NLM     Status:  MEDLINE    
Intraband pressure (IBP) measurement may be a less invasive method to assess esophageal motility response to band adjustment and restrictive integrity of the device in Swedish adjustable gastric band (SAGB) patients. However, the relationship between IBP and esophageal function is not yet established. Our aim was to characterize in vivo IBP-peristalsis associations in SAGB patients. Ten patients in their second postoperative year were prospectively recruited. IBP was measured via percutaneous port, and concurrent esophageal manometry was performed using an 8-channel catheter. Contraction length and amplitude were measured with both methods. The IBP-peristalsis correlation was computed using the R-square of the regression analysis (R (2)) for band volumes ranging from 4 to 9 mL. One hundred ten swallows were studied. Excellent IBP-peristalsis correlation was observed in 6 of 10 patients (267 contractions): contraction length R (2) = 0.8537 and amplitude R (2) = 0.7365 (p-value of slope < 0.001). Mean contraction length was 17 +/- 7 (4-42) s for manometry and 18 +/- 7 (5-43) s for IBP. Mean amplitude was 55 +/- 55 (9-209) mm Hg for manometry and 67 +/- 47 (7-190) mm Hg for IBP. A weak IBP-peristalsis correlation was observed in the remaining four patients: two had impaired lower sphincter relaxation, one had band slippage, and one had disruption of the port needle connection. In vivo IBP measurement may be reliable in the assessment of esophageal peristalsis in response to band adjustments and the restrictive integrity of the device in patients with intact esophageal function. More studies are warranted to completely assess the potential for IBP to be indicative of the presence of band-related complications.
Martin Fried; Sudip K Ghosh; Mario Gutierrez; Karin Dolezalova; Tamara Widenhouse; Gaspar Gayoso
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Obesity surgery     Volume:  20     ISSN:  1708-0428     ISO Abbreviation:  Obes Surg     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-07-28     Completed Date:  2010-11-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9106714     Medline TA:  Obes Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1102-9     Citation Subset:  IM    
OB klinika & 1st Faculty of Medicine, Charles University, Center for Treatment of Obesity and Metabolic Disorders, Pod Krejcarkem 975, 13000, Prague 3, Czech Republic.
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MeSH Terms
Deglutition / physiology
Esophageal Motility Disorders / diagnosis,  etiology
Esophageal Sphincter, Lower / physiology*
Esophagus / physiology*
Gastrointestinal Motility
Middle Aged
Obesity, Morbid / physiopathology,  surgery*
Peristalsis / physiology*
Prospective Studies

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