老年妇女常被便秘困扰,主要的病因之一是直肠前突所致。直肠前突为直肠前壁呈囊袋状向前突出,排便时直肠内压转向阴道而不是肛门,出路不畅,致使粪块存在于前突的囊袋内。直肠前突特别多见于经产妇,可由于直肠阴道膈发育缺陷,全身结缔组织退行性变,致使支持结构松弛,分娩损伤及? Old women are often troubled by constipation, one of the main causes of rectocele caused. Anterior rectocele was anterior wall of the anterior pouch was bag-like protruding forward, defecation, rectal pressure turned to the vagina rather than the anus, poor access, resulting fecal block in the anterior pouch. Rectal prolapse particularly common in the maternal, due to the rectovaginal phrenic development defects, degeneration of connective tissue, resulting in the support structure relaxation, labor injury and?