Abstract
The emptying, acid secretion, mucosal changes, and duodenogastric and gastroesophageal reflux of the intrathoracic stomach were studied in 12 patients together with the clinical course 6–12 months after esophageal replacement.
Although no pyloroplasty had been performed, the emptying of a semisolid meal from the interposed stomach was significantly accelerated compared to the controls. No residual food was found in the stomach at endoscopy after an overnight fast. Distinctly accelerated gastric emptying correlated with spontaneous duodenogastric reflux across the denervated pylorus.
Despite a persistent acid secretion of the vagotomized intrathoracic stomach, no pathologic gastroesophageal reflux and no esophagitis were found proximal to the cervical anastomosis. Gastric biopsies mostly revealed mild gastritis of the antral mucosa, whereas metaplasia was rare. The intrathoracic stomach does not need a drainage procedure to facilitate semisolid emptying. Postoperative reflux esophagitis is prevented by complete intrathoracic stomach transposition with cervical esophagogastrostomy.
Résumé
La vidange, la sécrétion acide, les changements de la muqueuse, et l'importance du reflux duodénogastrique et gastrooesophagien de l'estomac monté dans le thorax pour remplacer l'oesophage ont été étudiés chez 12 patients 6 à 12 mois après leur intervention.
Bien qu'aucune pyloroplastie n'ait été réalisé, la vidange d'un repas semi-solide était accélérée de façon significative par rapport aux contrôles. On n'a trouvé aucun résidu d'aliments dans l'estomac à l'endoscopie après une nuit de jeûne. La vidange gastrique était nettement accélérée et était corrélée avec un reflux duodénogastrique à travers le pylore dénervé.
Malgré la persistance de sécrétion acide dans l'estomac vagotomisé, il n'y avait pas de reflux gastrooesophagien pathologique, ni d'oesophagite en amont de l'anastomose cervicale. Aux biopsie gastriques, on a mis en évidence une gastrite modérée de la muqueuse antrale, alors que la métaplasie était rare. Il n'est pas nécessaire d'effectuer un procédé de drainage de l'estomac monté dans le thorax pour faciliter la vidange gastrique des repas semi-solides. Le reflux oesophagien postopératoire est évité lorsque l'on pratique une transposition thoracique complète de l'estomac avec oesophagogastrostomie cervicale.
Resumen
El vaciamiento, la secreción ácida, los cambios en la mucosa, y el reflujo duodenogástrico y gastroesofágico en el estómago intratorácico fueron estudiados en 12 pacientes, junto con la evolución clínica en los 6–12 meses posteriores al reemplazo esofágico por medio de un estómago intratorácico sin piloroplastia.
Aunque no se realizó piloroplastia, el vaciamiento de una comida semisólida del estómago así interpuesto apareció significativamente acelerado en comparación con los controles. No se detectó residuo alimenticio en el estómago a la endoscopia después de una noche de ayuno. El acelerado vaciamiento gástrico se correlaciona con reflujo gastroduodenal espontáneo a través del píloro denervado.
A pesar de una persistente secreción ácida en el estómago intratorácico vagotomizado, no se encontraron reflujo gastroesofágico patológico ni esofagitis proximal a la anastomosis cervical. Las biopsias gástricas generalmente revelaron gastritis leve en la mucosa antral, pero la metaplasia fue rara. El estómago intratorácico no requiere procedimientos de drenaje para facilitar el vaciamiento de alimentos semisólidos. La gastritis por reflujo postoperatorio puede ser prevenida con la transposición intratorácica total del estómago con esofagogastrostomía cervical.
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Hölscher, A.H., Voit, H., Buttermann, G. et al. Function of the intrathoracic stomach as esophageal replacement. World J. Surg. 12, 835–842 (1988). https://doi.org/10.1007/BF01655491
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DOI: https://doi.org/10.1007/BF01655491