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Thermal capsulotomy: Initial clinical experience, intraoperative performance, safety, and early postoperative outcomes of precision pulse capsulotomy technology

Hooshmand, J, Abell, RG, Allen, P ORCID: 0000-0003-1945-8049 and Vote, BJ 2018 , 'Thermal capsulotomy: Initial clinical experience, intraoperative performance, safety, and early postoperative outcomes of precision pulse capsulotomy technology' , Journal of cataract and refractive surgery, vol. 44, no. 3 , pp. 355-361 , doi: 10.1016/j.jcrs.2017.12.027.

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Abstract

Purpose: To assess the clinical safety and performance of anew thermal capsulotomy device in patients having cataractsurgery.Setting: Launceston Eye Institute, Launceston, Tasmania,Australia.Design: Prospective case series.Methods: This single-surgeon consecutive series comprisedeyes having capsulotomy with a precision pulse capsulotomy (PPC)device (Zepto). Baseline demographic information and preoperative,intraoperative, and early postoperative outcomes, includingcomplications, intraocular pressure (IOP), flare photometry,corneal and retinal thickness, and specular microscopy werecollected and analyzed. Outcomes included PPC performance,intraoperative complications, effective phacoemulsification time,IOP, postoperative inflammation, corneal edema, endothelial celldensity, functional evaluation of the corneal endothelium, retinalthickness, cost-effectiveness, and early postoperative visual acuity.Results: The study evaluated 100 eyes. Complete free-floatingcapsulotomy was achieved in 70 eyes (72%). Focal attachmentswere identified in 17 eyes (18%) and broad attachments in 10 eyes(10%). Intended PPC capsulotomy failed in 3 eyes due to operatoror device error. Anterior capsule tears occurred in 4 eyes (4%);otherwise, there were no significant safety signals in the earlypostoperative period. There was no evidence of a learning curveeffect; however, use of a dispersive ophthalmic viscosurgical device(OVD) is postulated as influencing capsulotomy completeness.Conclusions: The PPC device created round, reproducible,appropriately sized capsulotomies in 72% of eyes. The incidenceof incomplete capsulotomy and radial tear rate was high and waspossibly associated with the use of a dispersive OVD.

Item Type: Article
Authors/Creators:Hooshmand, J and Abell, RG and Allen, P and Vote, BJ
Keywords: cataract surgery, post-operative outcomes, thermal capsulotomy device
Journal or Publication Title: Journal of cataract and refractive surgery
Publisher: Elsevier Science Inc
ISSN: 0886-3350
DOI / ID Number: 10.1016/j.jcrs.2017.12.027
Copyright Information:

Copyright 2018 ASCRS and ESCRS

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