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    《ASCRS肛瘺診療指南》內容簡介：

    A seton often is used to con-trol local sepsis before definitive repair of an **fistula. Although many peri** abscesses are readilytreated in an office setting, more complex infectionsoften require examination under anesthesia to ensureadequate drainage. Serious infections, especiallythose occurring in compromised hosts, may requirehospitalization.

    《ASCRS肛瘺診療指南》內容預覽：

    Guideline: A peri** abscess should be treatedin a timely fashion by incision and drainage. Level ofEvidence: Class IV; Grade of Recommendation: B.Most peri** abscesses arise from the occluded ductof an ** gland with subsequent bacterial over-growth and abscess formation.5Lack of fluctuanceshould not delay timely drainage. Treatment goalsshould include incision and drainage of the abscessand the prevention of an acute recurrence by prevent-ing the premature closure of the incision. This can beaccomplished by an adequate incision or excision ofthe overlying skin, inserting a drainage catheter, orplacement of a seton.

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