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Conjunctivodacryocystorhinostomy and lacrimal sinus diversion via sinopsys surgical lacrimal stent: cadaveric proof of concept. | LitMetric

Conjunctivodacryocystorhinostomy and lacrimal sinus diversion via sinopsys surgical lacrimal stent: cadaveric proof of concept.

Ophthalmic Plast Reconstr Surg

*Department of Ophthalmology, University of Rochester, Rochester, New York; †Colorado Head & Neck Specialists, Denver, Colorado; ‡Department of Radiology, Banner MD Anderson Cancer Center, Arizona; and §Department of Ophthalmology, University of Colorado, Colorado, U.S.A.

Published: October 2014

AI Article Synopsis

Article Abstract

Purpose: To determine the viability of lacrimal sinus diversion by using a novel Sinopsys Surgical Lacrimal Stent.

Methods: Two disarticulated cadaveric heads were used in the laboratory. First, bilateral conjunctivodacryocystorhinostomies (CDCR) were performed by using a traditional Pyrex Jones tube and the Sinopsys Surgical Lacrimal Stent. The fluiditics were then evaluated by using contrast agent and fluroscopy. Subsequently, conjunctivoethmoidectomies (CE) and conjunctivomaxillectomies (CM) were performed by using the Sinopsys Surgical Lacrimal Stent, of which the fluiditics were also studied.

Results: The conjunctivodacryocystorhinostomy (CDCR) placement experience of the Jones tube and the Sinopsys Surgical Lacrimal Stent were similar. The CDCR fluiditics as measured by using contrast agent and fluoroscopy were identical with each draining 0.5 mL over 5 to 10 seconds. Placement of the Sinopsys Surgical Lacrimal Stent in the 4 ethmoid (CE) and 4 maxillary (CM) sinuses was similar to the CDCR experience. Fluiditics of lacrimal sinus diversion were similar to CDCR with drainage of 0.5 mL over 5 seconds.

Conclusions: The Sinopsys Surgical Lacrimal Stent has flow characteristics that are similar to a Pyrex Jones tube. Drainage in the nose via a CDCR procedure is similar to drainage in the ethmoid and maxillary sinuses via a CE and CM, respectively.

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Source
http://dx.doi.org/10.1097/IOP.0000000000000076DOI Listing

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