Past medical problems included hypertension and diverticular disease requiring partial sigmoid bowel resection 6 years ago 其他的病史包括高血压， 6年前因憩室病行部分乙状结肠切除术。
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Constipation - straining to pass small hard stools - causes a build - up of muscular pressure in the bowel . eventually , constant pressure causes weak spots or blow - outs in the wall , which can become inflamed and painful . this is how haemorrhoids and diverticular disease develop 当便秘要用力排出小量硬便时，对肠壁肌肉会造成压迫，长期的压迫最后会形成局部肠子的弱点或肠子向外鼓出，这些地方容易引起发炎和疼痛，于是产生了痔疮和憩室炎。
