Digestive diseases and sciences · 2020
Pathophysiology of Vomiting and Esophageal Perforation in Boerhaave's Syndrome.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Kuwano Hiroyuki, Yokobori Takehiko, Kumakura Yuji, Ogata Kyoichi, Yoshida Tomonori, Kuriyama Kengo, Sakai Makoto, Sohda Makoto, Miyazaki Tatsuya, Saeki Hiroshi, Shirabe Ken
Аннотация
BACKGROUND AND AIMS: Boerhaave's syndrome, involving esophagus rupture, is considered a pathological response to vomiting that may occur just before perforation. However, the mechanism of vomiting and occurrence of this disease have not been clearly demonstrated.
METHODS: We identified patients with esophageal perforation between 1995 and 2017 and reviewed endoscopic findings at retching during upper gastrointestinal endoscopy. Finally, we proposed a theory for the underlying pathological mechanism.
RESULTS: We retrospectively investigated 10 patients with esophageal perforation between 1995 and 2017. All patients presented after vomiting associated with large volumes of food and alcohol intake. Nine were treated by primary closure of the perforation and drainage of the thoracic cavity, and one was conservatively treated. In all cases, the perforations were longitudinal tears (1-4 cm) and located in the left of the esophagus, just above the gastric cardia.
CONCLUSIONS: We hypothesize that vomiting occurred by retrograde propagation of gastrointestinal motor contraction from the jejunum to the gastric antrum, followed by prolapse of the gastric fornix mucosal into the esophagus. Subsequent esophageal perforation probably resulted from excessive prolapse due to strong contraction and destruction of the muscularis mucosa of the left side of abdominal esophagus, with longitudinal stretching of the whole left esophageal wall due to traction. We also propose that Boerhaave's syndrome is defined as "post-emetic esophageal perforation" to ensure broader recognition and more expedient diagnosis and treatment. Remaining conditions without any definite causes may be labeled "idiopathic" or "spontaneous" rupture of the esophagus.
METHODS: We identified patients with esophageal perforation between 1995 and 2017 and reviewed endoscopic findings at retching during upper gastrointestinal endoscopy. Finally, we proposed a theory for the underlying pathological mechanism.
RESULTS: We retrospectively investigated 10 patients with esophageal perforation between 1995 and 2017. All patients presented after vomiting associated with large volumes of food and alcohol intake. Nine were treated by primary closure of the perforation and drainage of the thoracic cavity, and one was conservatively treated. In all cases, the perforations were longitudinal tears (1-4 cm) and located in the left of the esophagus, just above the gastric cardia.
CONCLUSIONS: We hypothesize that vomiting occurred by retrograde propagation of gastrointestinal motor contraction from the jejunum to the gastric antrum, followed by prolapse of the gastric fornix mucosal into the esophagus. Subsequent esophageal perforation probably resulted from excessive prolapse due to strong contraction and destruction of the muscularis mucosa of the left side of abdominal esophagus, with longitudinal stretching of the whole left esophageal wall due to traction. We also propose that Boerhaave's syndrome is defined as "post-emetic esophageal perforation" to ensure broader recognition and more expedient diagnosis and treatment. Remaining conditions without any definite causes may be labeled "idiopathic" or "spontaneous" rupture of the esophagus.