Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems

Ming Chen,1 Erik Anderson,2 Geoffrey Hill,3 John J Chen,4 Thomas Patrianakos2 1Department of Surgery, University of Hawaii, Honolulu, HI, 2Department of Ophthalmology, John H Stroger, Jr Hospital of Cook County, Chicago, IL, 3Department of Ophthalmology, UT Southwestern Medical Center, Dal...

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Autores principales:	Chen M, Anderson E, Hill G, Chen JJ, Patrianakos T
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2015
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/7e40744ff3c542cfbacc34a309992662
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spelling	oai:doaj.org-article:7e40744ff3c542cfbacc34a3099926622021-12-02T06:49:28ZComparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems1177-5483https://doaj.org/article/7e40744ff3c542cfbacc34a3099926622015-07-01T00:00:00Zhttp://www.dovepress.com/comparison-of-cumulative-dissipated-energy-between-the-infiniti-and-ce-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Ming Chen,1 Erik Anderson,2 Geoffrey Hill,3 John J Chen,4 Thomas Patrianakos2 1Department of Surgery, University of Hawaii, Honolulu, HI, 2Department of Ophthalmology, John H Stroger, Jr Hospital of Cook County, Chicago, IL, 3Department of Ophthalmology, UT Southwestern Medical Center, Dallas, TX, 4Biostatistics Core, John A Burns School of Medicine, University of Hawaii, Honolulu, HI, USA Purpose: To compare cumulative dissipated energy between two phacoemulsification machines. Setting: An ambulatory surgical center, Honolulu, Hawaii, USA. Design: Retrospective chart review. Methods: A total of 2,077 consecutive cases of cataract extraction by phacoemulsification performed by five surgeons from November 2012 to November 2014 were included in the study; 1,021 consecutive cases were performed using the Infiniti Vision System, followed by 1,056 consecutive cases performed using the Centurion Vision System. Results: The Centurion phacoemulsification system required less energy to remove a cataractous lens with an adjusted average energy reduction of 38% (5.09 percent-seconds) (P<0.001) across all surgeons in comparison to the Infiniti phacoemulsification system. The reduction in cumulative dissipated energy was statistically significant for each surgeon, with a range of 29%–45% (2.25–12.54 percent-seconds) (P=0.005–<0.001). Cumulative dissipated energy for both the Infiniti and Centurion systems varied directly with patient age, increasing an average of 2.38 percent-seconds/10 years. Conclusion: The Centurion phacoemulsification system required less energy to remove a cataractous lens in comparison to the Infiniti phacoemulsification system. Keywords: phacoemulsification, cumulative dissipated energy, Centurion Vision System, Infiniti Vision SystemChen MAnderson EHill GChen JJPatrianakos TDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2015, Iss default, Pp 1367-1372 (2015)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Chen M Anderson E Hill G Chen JJ Patrianakos T Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems
description	Ming Chen,1 Erik Anderson,2 Geoffrey Hill,3 John J Chen,4 Thomas Patrianakos2 1Department of Surgery, University of Hawaii, Honolulu, HI, 2Department of Ophthalmology, John H Stroger, Jr Hospital of Cook County, Chicago, IL, 3Department of Ophthalmology, UT Southwestern Medical Center, Dallas, TX, 4Biostatistics Core, John A Burns School of Medicine, University of Hawaii, Honolulu, HI, USA Purpose: To compare cumulative dissipated energy between two phacoemulsification machines. Setting: An ambulatory surgical center, Honolulu, Hawaii, USA. Design: Retrospective chart review. Methods: A total of 2,077 consecutive cases of cataract extraction by phacoemulsification performed by five surgeons from November 2012 to November 2014 were included in the study; 1,021 consecutive cases were performed using the Infiniti Vision System, followed by 1,056 consecutive cases performed using the Centurion Vision System. Results: The Centurion phacoemulsification system required less energy to remove a cataractous lens with an adjusted average energy reduction of 38% (5.09 percent-seconds) (P<0.001) across all surgeons in comparison to the Infiniti phacoemulsification system. The reduction in cumulative dissipated energy was statistically significant for each surgeon, with a range of 29%–45% (2.25–12.54 percent-seconds) (P=0.005–<0.001). Cumulative dissipated energy for both the Infiniti and Centurion systems varied directly with patient age, increasing an average of 2.38 percent-seconds/10 years. Conclusion: The Centurion phacoemulsification system required less energy to remove a cataractous lens in comparison to the Infiniti phacoemulsification system. Keywords: phacoemulsification, cumulative dissipated energy, Centurion Vision System, Infiniti Vision System
format	article
author	Chen M Anderson E Hill G Chen JJ Patrianakos T
author_facet	Chen M Anderson E Hill G Chen JJ Patrianakos T
author_sort	Chen M
title	Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems
title_short	Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems
title_full	Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems
title_fullStr	Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems
title_full_unstemmed	Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems
title_sort	comparison of cumulative dissipated energy between the infiniti and centurion phacoemulsification systems
publisher	Dove Medical Press
publishDate	2015
url	https://doaj.org/article/7e40744ff3c542cfbacc34a309992662
work_keys_str_mv	AT chenm comparisonofcumulativedissipatedenergybetweentheinfinitiandcenturionphacoemulsificationsystems AT andersone comparisonofcumulativedissipatedenergybetweentheinfinitiandcenturionphacoemulsificationsystems AT hillg comparisonofcumulativedissipatedenergybetweentheinfinitiandcenturionphacoemulsificationsystems AT chenjj comparisonofcumulativedissipatedenergybetweentheinfinitiandcenturionphacoemulsificationsystems AT patrianakost comparisonofcumulativedissipatedenergybetweentheinfinitiandcenturionphacoemulsificationsystems
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Comparison of cumulative dissipated energy between the Infiniti and Centurion phacoemulsification systems

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