Abstract
Gastric volvulus is defined as an abnormal rotation of all or part of the stomach around one of its axes. It is a diagnostic emergency and therapeutic challenge because in acute forms it may lead to gastric strangulation with a high risk of ischemia and necrosis. Organoaxial and mesentericoaxial volvulus are distinguished according to the direction of rotation. The most common cause of gastric volvulus is hiatal hernia, but the principal predisposing factor is ligamentous laxity. The diagnosis is suspected when erect chest radiograph images show a high air-fluid level in the chest. Moreover a barium swallow is essential to confirm the diagnosis. Nonetheless, a computed tomography (CT) scan now provides a comprehensive description of the thoracic lesion, including stomach vitality. Gastric volvulus requires surgical treatment, specifically volvulus reduction, reintegration of the stomach into the abdominal cavity in cases of intrathoracic migration, and correction of causal factors. Resection of the hernial sac and the role of gastropexy for preventing recurrence remain controversial. Advances in laparoscopic surgery have made possible a laparoscopic approach to most cases of chronic gastric volvulus.
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