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Examination of the effects of vardenafil on esophageal function using multichannel intraluminal impedance and manometry.
MedLine Citation:
PMID:  23106000     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
BACKGROUND/AIMS: To evaluate the effects of the phosphodiesterase type 5 (PDE5) inhibitor vardenafil on esophageal function, including bolus transit, using multichannel intraluminal impedance and esophageal manometry (MII-EM).
METHODS: Sixteen healthy volunteers (15 men) underwent an MII-EM study including 10 liquid swallows and 10 viscous swallows in a seated position after fasting. Then, each subject was asked to ingest 50 mL distilled water or 10 mg vardenafil dissolved in 50 mL water, in a double-blind manner. After 25 minutes, the MII-EM study was repeated.
RESULTS: Eight men received vardenafil and eight subjects received water. Resting and residual lower esophageal sphincter pressures differed significantly only in the vardenafil group (from 18 ± 6.7 to 6.6 ± 5.3 mmHg, P < 0.001 and from 4.9 ± 2.6 to 2.1 ± 3.6 mmHg, P = 0.006, respectively). Mean distal esophageal amplitude decreased significantly only in the vardenafil group (from 86.7 ± 41.6 to 34.0 ± 38.0 mmHg, P < 0.05). Complete bolus transits of liquid and viscous meals decreased significantly only after vardenafil ingestion (from 80.2% ± 13.8% to 49.4% ± 27.9%, P < 0.05 and from 72.8% ± 33.6% to 21.5% ± 29.0%, P = 0.01, respectively).
CONCLUSIONS: Vardenafil decreased esophageal bolus transit in the seated position, despite decreased lower esophageal sphincter pressure.
Authors:
Tae Hee Lee; Joon Seong Lee; Su Jin Hong; Seong Ran Jeon; Wan Jung Kim; Hyun Gun Kim; Joo Young Cho; Jin-Oh Kim
Publication Detail:
Type:  Journal Article     Date:  2012-10-09
Journal Detail:
Title:  Journal of neurogastroenterology and motility     Volume:  18     ISSN:  2093-0887     ISO Abbreviation:  J Neurogastroenterol Motil     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-29     Completed Date:  2012-10-30     Revised Date:  2013-05-30    
Medline Journal Info:
Nlm Unique ID:  101530189     Medline TA:  J Neurogastroenterol Motil     Country:  Korea (South)    
Other Details:
Languages:  eng     Pagination:  399-405     Citation Subset:  -    
Affiliation:
Institute for Digestive Research, Digestive Disease Center, Soonchunhyang University Seoul Hospital, Seoul, Korea.
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