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  • Title: Selective antibiotic use to prevent postoperative wound infection after external dacryocystorhinostomy.
    Author: Yazici B, Meyer DR.
    Journal: Ophthalmic Plast Reconstr Surg; 2002 Sep; 18(5):331-5; discussion 335. PubMed ID: 12352818.
    Abstract:
    PURPOSE: The use of systemic antibiotic prophylaxis in lacrimal drainage surgery is controversial. Some studies have reported high rates of postoperative infection and surgical failure after lacrimal drainage surgery when systemic antibiotic prophylaxis was not routinely administered. Many ophthalmologists have traditionally used antibiotics only in selected patients undergoing dacryocystorhinostomy (DCR), and this study evaluates the success of this strategy. METHODS: This was a retrospective interventional case series of 138 consecutive patients who underwent 163 external DCR procedures. Antibiotics were given only when inflammatory signs were present in the medial canthal region or when purulent material was noted during surgery. Patients with persistent external medial canthal inflammatory signs received amoxicillin/clavulanate or cephalexin orally 3 to 7 days before and 1 week after surgery. Patients in whom purulent lacrimal sac material was noted during surgery received cefazolin intravenously. RESULTS: Postoperative results were evaluated in terms of wound infection and related complications and surgical success. Systemic antibiotics were given in 15 of 163 (9%) cases. Nine (6%) cases received intraoperative (intravenous) antibiotics; 5 (3%) cases received perioperative (oral) antibiotics; and 1 (1%) case received both. None of the patients had postoperative deep soft tissue infection (cellulitis). Skin changes compatible with superficial wound infection occurred in 2 (1%) cases and responded well to topical treatment. Surgery was successful in 157 of 163 (96%) cases. Of 6 failures, none were associated with postoperative wound infection. CONCLUSIONS: Selective use of antibiotics limited to patients with signs of lacrimal sac inflammation appears sufficient to prevent soft tissue infection after DCR.
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