Prospective randomized comparative study between venturi and peristaltic pumps in WhiteStar Signature (R) phacoemulsification machine

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorHIDA, Wilson Takashi
dc.contributor.authorMEDEIROS, Andre Lins de
dc.contributor.authorROLIM, Andre Gustavo de Araujo
dc.contributor.authorMOTTA, Antonio Francisco Pimenta
dc.contributor.authorKNIGGENDORF, Danilo Varela
dc.contributor.authorQUEIROZ, Rodrigo Lafeta Franco de
dc.contributor.authorCHAVES, Mario Augusto Pereira Dias
dc.contributor.authorCARRICONDO, Pedro Carlos
dc.contributor.authorNAKANO, Celso Takashi
dc.contributor.authorNOSE, Walton
dc.date.accessioned2019-05-30T13:52:03Z
dc.date.available2019-05-30T13:52:03Z
dc.date.issued2019
dc.description.abstractPurpose: To compare intraoperative parameters between venturi and peristaltic pump in WhiteStar Signature (R) phacoemulsification machine using the bevel-down technique. Setting: Hospital Oftalmologico de Brasilia, Brasilia, Federal District, Brazil. Design: Prospective, comparative, patient-masked study. Methods: Three hundred eyes were randomly assigned to have a phacoemulsification procedure with WhiteStar Signature (R) using either peristaltic (n=150 eyes) or venturi (n=150 eyes) pumps by a single surgeon (WTH). Elliptical ultrasound setting and prefracture (prechop or preslice) techniques were used in all cases. Cataract nucleus density was graded using lens opacities classification system III and Pentacam Nucleus Staging classification. Clinical measurements included preoperative- and postoperative-corrected visual acuity, preoperative and 2-month postoperative endothelial cell counts, and preoperative and 1-day postoperative central corneal thickness. Intraoperative measurements at the end of the case were phaco time, fluid used, total case time, and Efx energy. Results: There were no statistically significant differences between groups regarding age, cataract density, and phaco time (P>0.05). Intraoperatively, we observed significantly less ultrasound energy (P=0.011), case time (P=0.0001), and balanced saline solution (P=0.001) usage in the venturi group. Clinically, both fluidic settings can provide similar clinical outcomes and visual recovery, regarding corrected distance visual acuity, endothelial cell count, and central corneal thickness. Conclusion: Our data show that to minimize fluid use, case time, and energy with the prefracture technique, the venturi pump was the most efficient system and was statistically superior to peristaltic pump.eng
dc.description.indexPubMedeng
dc.identifier.citationCLINICAL OPHTHALMOLOGY, v.13, p.49-52, 2019
dc.identifier.doi10.2147/OPTH.S177978
dc.identifier.issn1177-5483
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/32012
dc.language.isoeng
dc.publisherDOVE MEDICAL PRESS LTDeng
dc.relation.ispartofClinical Ophthalmology
dc.rightsopenAccesseng
dc.rights.holderCopyright DOVE MEDICAL PRESS LTDeng
dc.subjectventurieng
dc.subjectperistalticeng
dc.subjectphacoemulsificationeng
dc.subjectcataract surgeryeng
dc.subjectvacuum efficiencyeng
dc.subject.otherendothelial-cell losseng
dc.subject.otherstop-and-chopeng
dc.subject.wosOphthalmologyeng
dc.titleProspective randomized comparative study between venturi and peristaltic pumps in WhiteStar Signature (R) phacoemulsification machineeng
dc.typearticleeng
dc.type.categoryoriginal articleeng
dc.type.versionpublishedVersioneng
dspace.entity.typePublication
hcfmusp.author.externalMEDEIROS, Andre Lins de:Hosp Oftalmol Brasilia, Cataract Sect, SGAS 620, Brasilia, DF, Brazil; Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil
hcfmusp.author.externalROLIM, Andre Gustavo de Araujo:Hosp Oftalmol Brasilia, Cataract Sect, SGAS 620, Brasilia, DF, Brazil; Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil
hcfmusp.author.externalMOTTA, Antonio Francisco Pimenta:Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil; Univ Sao Paulo, Cataract Sect, Sao Paulo, Brazil
hcfmusp.author.externalKNIGGENDORF, Danilo Varela:Hosp Oftalmol Brasilia, Cataract Sect, SGAS 620, Brasilia, DF, Brazil; Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil
hcfmusp.author.externalQUEIROZ, Rodrigo Lafeta Franco de:Hosp Oftalmol Brasilia, Cataract Sect, SGAS 620, Brasilia, DF, Brazil; Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil
hcfmusp.author.externalCHAVES, Mario Augusto Pereira Dias:Hosp Oftalmol Brasilia, Cataract Sect, SGAS 620, Brasilia, DF, Brazil; Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil
hcfmusp.author.externalCARRICONDO, Pedro Carlos:Hosp Oftalmol Brasilia, Cataract Sect, SGAS 620, Brasilia, DF, Brazil; Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil
hcfmusp.author.externalNAKANO, Celso Takashi:Ctr Estudos Oftalmol Renato Ambrosio, Cataract Sect, Brasilia, DF, Brazil; Hosp Santa Cruz, Cataract Sect, Sao Paulo, Brazil
hcfmusp.author.externalNOSE, Walton:Univ Fed Sao Paulo, Cataract Sect, Sao Paulo, Brazil
hcfmusp.citation.scopus6
hcfmusp.contributor.author-fmusphcWILSON TAKASHI HIDA
hcfmusp.description.beginpage49
hcfmusp.description.endpage52
hcfmusp.description.volume13
hcfmusp.origemWOS
hcfmusp.origem.pubmed30643379
hcfmusp.origem.scopus2-s2.0-85059485367
hcfmusp.origem.wosWOS:000454369900001
hcfmusp.publisher.cityALBANYeng
hcfmusp.publisher.countryNEW ZEALANDeng
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