Because of the absence of a limiting hernial sac, mechanical SBO usually occurs in cases of transmesenteric hernia (Fig 8), and it is impossible to differentiate closed-loop obstructions caused by herniation through the mesenteric defect from those caused
Because of the absence of a limiting hernial sac, mechanical SBO usually occurs in cases of transmesenteric hernia (Fig 8), and it is impossible to differentiate closed-loop obstructions caused by herniation through the mesenteric defect from those caused
由于后者没有局限性的疝囊，机械性SBO通常发生在肠系膜疝的病例中（图8），而且不能区分经肠系膜缺损疝导致的闭合性肠梗阻与粘连带下的肠脱垂导致的闭合性肠梗阻。