Retina (Philadelphia, Pa.) · 2025
Nylon Suture Snare for Intraocular Foreign Body Removal: A Case Series.
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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Krivit Jenna, Giacalone Joseph C, Andrade Romo Jorge, Reiter Gregor S, Ye Run Zhou, Iezzi Raymond
Аннотация
PURPOSE: To describe an improved snare technique for the removal of an intraocular foreign body (IOFB) from the posterior segment.
METHODS: The snare is fashioned from a 23 or 25-gauge blunt-tipped cannula, a 5-0 or 6-0 nylon suture, and a cotton-tipped applicator. The snare is introduced through a 23 or 25-gauge vitrectomy port and tightened around the IOFB, maintaining a closed system. The IOFB can be extracted from the eye by pulling the cannula and extending the circumferential sclerotomy.
RESULTS: Four cases of IOFBs were treated using the improved nylon suture snare technique. Three of the four were traumatic open-globe injuries with retained IOFB, for which the snare technique was suitable for removal of the object. In the fourth case, the snare technique was used to remove a posteriorly dislocated silicone intraocular lens optic. No cases of postoperative retinal detachments or endophthalmitis were observed.
CONCLUSION: This snare is fashioned from readily available, inexpensive materials and provides a safe and reliable method for IOFB removal through the vitrectomy port. By maintaining a closed system during IOFB mobilization and removal, the view through the cornea remains stable and intraocular pressure remains constant. Moreover, the snare can grasp irregularly shaped or large IOFBs.
METHODS: The snare is fashioned from a 23 or 25-gauge blunt-tipped cannula, a 5-0 or 6-0 nylon suture, and a cotton-tipped applicator. The snare is introduced through a 23 or 25-gauge vitrectomy port and tightened around the IOFB, maintaining a closed system. The IOFB can be extracted from the eye by pulling the cannula and extending the circumferential sclerotomy.
RESULTS: Four cases of IOFBs were treated using the improved nylon suture snare technique. Three of the four were traumatic open-globe injuries with retained IOFB, for which the snare technique was suitable for removal of the object. In the fourth case, the snare technique was used to remove a posteriorly dislocated silicone intraocular lens optic. No cases of postoperative retinal detachments or endophthalmitis were observed.
CONCLUSION: This snare is fashioned from readily available, inexpensive materials and provides a safe and reliable method for IOFB removal through the vitrectomy port. By maintaining a closed system during IOFB mobilization and removal, the view through the cornea remains stable and intraocular pressure remains constant. Moreover, the snare can grasp irregularly shaped or large IOFBs.