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Review article: the clinical relevance of transient lower oesophageal sphincter relaxations in gastro‐oesophageal reflux disease
Author(s) -
Kessing B. F.,
Conchillo J. M.,
Bredenoord A. J.,
Smout A. J. P. M.,
Masclee A. A. M.
Publication year - 2011
Publication title -
alimentary pharmacology and therapeutics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.308
H-Index - 177
eISSN - 1365-2036
pISSN - 0269-2813
DOI - 10.1111/j.1365-2036.2010.04565.x
Subject(s) - medicine , reflux , esophageal sphincter , swallowing , gerd , gastro , disease , proton pump inhibitor , sphincter , gastroenterology , esophagogastric junction , clinical significance , therapeutic approach , mechanism (biology) , surgery , philosophy , epistemology , adenocarcinoma , cancer
Aliment Pharmacol Ther 2011; 33: 650–661 Summary Background  Transient lower oesophageal sphincter relaxations (TLOSR) are considered the physiological mechanism that enables venting of gas from the stomach and appear as sphincter relaxations that are not induced by swallowing. It has become increasingly clear that most reflux episodes occur during TLOSRs and therefore play a key role in gastro‐oesophageal reflux disease (GERD). Aim  To describe the current knowledge about TLOSRs and its clinical implications. Methods  Search of the literature published in English using the PubMed database and relevant abstracts presented at international conventions. Results  Several factors influence the rate of TLOSRs including anti‐reflux surgery, meal, body position, nutrition, lifestyle and a wide array of neurotransmitters. Ongoing insights in the neurotransmitters responsible for the modulation of TLOSRs, as well as the neural pathways involved in TLOSR induction, have lead to novel therapeutic targets. These therapeutic targets can serve as an add‐on therapy in patients with an unsatisfactory response to proton pump inhibitor by inhibiting TLOSRs and its associated reflux events. However, the TLOSR‐inhibiting drugs that are currently available still have significant side effects. Conclusion  It is likely that in the future, selected GERD patients may benefit from transient lower oesophageal sphincter relaxation inhibition when compounds are found without significant side effects.

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