chapter  77
Reflux disease
ByMark G. Watson, Kim Ah-See
Pages 8

INTRODUCTION Laryngopharyngeal reflux (LPR), caused by the backflow of gastric contents into the upper aerodigestive tract, is frequently diagnosed as a cause of throat symptoms in ENT patients, although there remains a degree of controversy surrounding the subject. The condition was first described by Koufman in 1991.1 Since then, there has been a wealth of excellent basic science research describing the underlying disease process, but the diagnosis and management of this condition is less clear.2