Clinical Research Progress of Foreign Bodies in Digestive Tract

Foreign body of digestive tract refers to the noninherent substances retained in the digestive tract caused by various reasons. Foreign body incarceration is one of the clinical emergencies, occurs at all ages, whose incidence is second only to gastrointestinal bleeding, accounting for about 4% of emergency endoscopic diagnosis and treatment. If not treated timely, foreign body incarceration may cause gastrointestinal erosion, ulcer, bleeding, perforation, obstruction and aortic rupture which is life-threatening. According to the characteristics of patients, dietetical characteristic, types of gastrointestinal foreign bodies, retention time of foreign bodies, incarcerated sites, clinical manifestations, complications, treatment methods, average length of stay and expenses, we explore the research progress of gastrointestinal foreign bodies to improve the level of diagnosis and treatment, as well as increase the cure rate and reduce complications. This review aims to summarize the clinical diagnosis and treatment methods of gastrointestinal foreign bodies for clinicians and strengthen readers' understanding of gastrointestinal foreign bodies.