ArticlePloS one2026
Bacterial contamination of surgical instruments in 25-gauge pars plana vitrectomy: Incidence and risk factors.
Article in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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12 authors.
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Abstract
purposeTo evaluate the incidence of surgical instrument contamination associated with microincision vitrectomy surgery.
methodsNinety-six eyes from 86 immunocompetent patients who underwent 25-gauge pars plana vitrectomy from December 2023 to February 2024 in our institution were retrospectively analyzed.
resultsSurgical instrument contamination was detected in 7 cases (7.3%). Bacterial species were isolated from the trocar, endoilluminator, and beveled probe. Postoperative endophthalmitis did not occur during the 2-month follow-up period. Use of preoperative antibacterial eye drops was significantly associated with lower risk of bacterial contamination.
conclusionContamination may occur 25-gauge pars plana vitrectomy, even when preoperative antibacterial eye drops are used in conjunction with povidone-iodine irrigation and adequate vitreous dissection.
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