Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture

Makoto Inoue,1 Dina Joy K Abulon,2 Akito Hirakata1 1Kyorin Eye Center, School of Medicine, Kyorin University, Tokyo, Japan; 2Alcon Research, Ltd., Irvine, CA, USA Purpose: To compare the effects of different 23- and 25-gauge microincision vitrectomy trocar cannula entry systems on incisi...

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Autores principales:	Inoue M, Abulon DJ, Hirakata A
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2014
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/bbfc6c83025947048b2a54250ce25fa8
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spelling	oai:doaj.org-article:bbfc6c83025947048b2a54250ce25fa82021-12-02T08:19:59ZComparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture1177-5483https://doaj.org/article/bbfc6c83025947048b2a54250ce25fa82014-11-01T00:00:00Zhttp://www.dovepress.com/comparison-of-the-effects-of-23-gauge-and-25-gauge-microincision-vitre-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483 Makoto Inoue,1 Dina Joy K Abulon,2 Akito Hirakata1 1Kyorin Eye Center, School of Medicine, Kyorin University, Tokyo, Japan; 2Alcon Research, Ltd., Irvine, CA, USA Purpose: To compare the effects of different 23- and 25-gauge microincision vitrectomy trocar cannula entry systems on incision architecture.Methods: We tested one ridged microvitreoretinal (MVR), one non-ridged MVR, one pointed beveled, and one round-tipped beveled blade (n=10 per blade design per incision type). Each blade’s straight and oblique incision architecture was assessed in a silicone disc simulating the sclera. Wound leakage under pressure and endoscopic observations were conducted on sclerotomy sites of isolated porcine eyes (n=4 per blade design) after simulated vitrectomy.Results: Differences in blade design created distinct incision architecture. Incisions were linear with the ridged MVR blade, flattened “M-shaped” with the non-ridged MVR blade, asymmetrical chevron-shaped with the pointed beveled blade, and curved with the round-tipped beveled blade. With the exception of oblique entry incision thickness, both MVR blade designs created thinner incisions than the beveled blades at entry and exit sites. Only the ridged MVR blade created incisions with no leakage. Vitreous incarceration was observed with all trocar cannula systems.Conclusion: Wound closure in porcine eyes was similar with all blades despite differences in incision architecture. Wound leakage occurred at low to moderate infusion pressures with most blades; no wound leakage was observed with ridged MVR blades. Keywords: entry system, incision closure, leakage, pars plana incision, sclerotomy, trocar blade Inoue MAbulon DJHirakata ADove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2014, Iss default, Pp 2307-2318 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Inoue M Abulon DJ Hirakata A Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture
description	Makoto Inoue,1 Dina Joy K Abulon,2 Akito Hirakata1 1Kyorin Eye Center, School of Medicine, Kyorin University, Tokyo, Japan; 2Alcon Research, Ltd., Irvine, CA, USA Purpose: To compare the effects of different 23- and 25-gauge microincision vitrectomy trocar cannula entry systems on incision architecture.Methods: We tested one ridged microvitreoretinal (MVR), one non-ridged MVR, one pointed beveled, and one round-tipped beveled blade (n=10 per blade design per incision type). Each blade’s straight and oblique incision architecture was assessed in a silicone disc simulating the sclera. Wound leakage under pressure and endoscopic observations were conducted on sclerotomy sites of isolated porcine eyes (n=4 per blade design) after simulated vitrectomy.Results: Differences in blade design created distinct incision architecture. Incisions were linear with the ridged MVR blade, flattened “M-shaped” with the non-ridged MVR blade, asymmetrical chevron-shaped with the pointed beveled blade, and curved with the round-tipped beveled blade. With the exception of oblique entry incision thickness, both MVR blade designs created thinner incisions than the beveled blades at entry and exit sites. Only the ridged MVR blade created incisions with no leakage. Vitreous incarceration was observed with all trocar cannula systems.Conclusion: Wound closure in porcine eyes was similar with all blades despite differences in incision architecture. Wound leakage occurred at low to moderate infusion pressures with most blades; no wound leakage was observed with ridged MVR blades. Keywords: entry system, incision closure, leakage, pars plana incision, sclerotomy, trocar blade
format	article
author	Inoue M Abulon DJ Hirakata A
author_facet	Inoue M Abulon DJ Hirakata A
author_sort	Inoue M
title	Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture
title_short	Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture
title_full	Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture
title_fullStr	Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture
title_full_unstemmed	Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture
title_sort	comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture
publisher	Dove Medical Press
publishDate	2014
url	https://doaj.org/article/bbfc6c83025947048b2a54250ce25fa8
work_keys_str_mv	AT inouem comparisonoftheeffectsof23gaugeand25gaugemicroincisionvitrectomybladedesignsonincisionarchitecture AT abulondj comparisonoftheeffectsof23gaugeand25gaugemicroincisionvitrectomybladedesignsonincisionarchitecture AT hirakataa comparisonoftheeffectsof23gaugeand25gaugemicroincisionvitrectomybladedesignsonincisionarchitecture
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Comparison of the effects of 23-gauge and 25-gauge microincision vitrectomy blade designs on incision architecture

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