WILSON TAKASHI HIDA
Projetos de Pesquisa
Unidades Organizacionais
LIM/33 - Laboratório de Oftalmologia, Hospital das Clínicas, Faculdade de Medicina
6 resultados
Resultados de Busca
Agora exibindo 1 - 6 de 6
- Prospective randomized comparative study between venturi and peristaltic pumps in WhiteStar Signature (R) phacoemulsification machine(2019) HIDA, Wilson Takashi; MEDEIROS, Andre Lins de; ROLIM, Andre Gustavo de Araujo; MOTTA, Antonio Francisco Pimenta; KNIGGENDORF, Danilo Varela; QUEIROZ, Rodrigo Lafeta Franco de; CHAVES, Mario Augusto Pereira Dias; CARRICONDO, Pedro Carlos; NAKANO, Celso Takashi; NOSE, WaltonPurpose: 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.
- Outcomes study between femtosecond laser-assisted cataract surgery and conventional phacoemulsification surgery using an active fluidics system(2017) HIDA, Wilson Takashi; TZELIKIS, Patrick Frenzel; VILAR, Cesar; CHAVES, Mario Augusto Pereira Dias; MOTTA, Antonio Francisco Pimenta; CARRICONDO, Pedro Carlos; VENTURA, Bruna Vieira; AMBROSIO JUNIOR, Renato; NOSE, Walton; ALVES, Milton RuizPurpose: The purpose of this study was to compare intraoperative parameters between femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification using Centurion (R) Vision System with Active Fluidics. Setting: This study was performed at Brasilia Ophthalmologic Hospital, Brasilia, Federal District, Brazil. Patients and methods: This was a prospective randomized comparative study. Patients with the diagnosis of cataract and surgical extraction programmed were divided into two groups: conventional phacoemulsification and FLACS. Intraoperative data were collected and submitted for statistical analysis. Results: A total of 400 eyes were enrolled, 200 in each group. There were no surgical complications. Groups were statistically equivalent in age and nucleus density. Cumulative dissipated energy and torsional time were significantly reduced in the FLACS group. Conventional surgery had less fluid usage, total case time and aspiration (ASP) time. Conclusion: FLACS with Active Fluidics System can reduce the ultrasound energy use during cataract surgery, in spite of increasing case time, fluid usage and ASP time.
- Comparison of visual outcomes after bilateral implantation of a diffractive trifocal intraocular lens and blended implantation of an extended depth of focus intraocular lens with a diffractive bifocal intraocular lens(2017) MEDEIROS, Andre Lins de; ROLIM, Andre Gustavo de Araujo; MOTTA, Antonio Francisco Pimenta; VENTURA, Bruna Vieira; VILAR, Cesar; CHAVES, Mario Augusto Pereira Dias; CARRICONDO, Pedro Carlos; HIDA, Wilson TakashiPurpose: The purpose of this study was to compare the visual outcomes and subjective visual quality between bilateral implantation of a diffractive trifocal intraocular lens, Alcon Acrysof IQ (R) PanOptix (R) TNFT00 (group A), and blended implantation of an extended depth of focus lens, J&J Tecnis Symfony (R) ZXR00 with a diffractive bifocal intraocular lens, J&J Vision Tecnis (R) ZMB00 (group B). Methods: This prospective, nonrandomized, consecutive, comparative study included the assessment of 40 eyes in 20 patients implanted with multifocal intraocular lens. Exclusion criteria were existence of any corneal, retina, or optic nerve disease, previous eye surgery, illiteracy, previous refractive surgery, high axial myopia, expected postoperative corneal astigmatism of >1.00 cylindrical diopter (D), and intraoperative or postoperative complications. Binocular visual acuity was tested in all cases. Ophthalmological evaluation included the measurement of uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrected near visual acuity (UNVA), and uncorrected intermediate visual acuity (UIVA), with the analysis of contrast sensitivity (CS), and visual defocus curve. Results: Postoperative UDVA was 0.01 and -0.096 logMAR (p<0.01) in groups A and B, respectively; postoperative CDVA was -0.07 and -0.16 logMAR (p<0.01) in groups A and B, respectively; UIVA was 0.14 and 0.20 logMAR (p<0.01) in groups A and B, respectively; UNVA was -0.03 and 0.11 logMAR (p<0.01) in groups A and B, respectively. Under photopic conditions group B had better CS at low frequencies with and without glare. Conclusion: Both groups promoted good quality of vision for long, intermediate, and short distances. Group B exhibited a better performance for very short distances and for intermediate and long distances >=-1.50 D of vergence. Group A exhibited a better performance for UIVA at 60 cm and for UNVA at 40 cm.
- Comparison between bilateral implantation of a trifocal intraocular lens and blended implantation of two bifocal intraocular lenses(2017) VILAR, Cesar; HIDA, Wilson Takashi; MEDEIROS, Andre Lins de; MAGALHAES, Klayny Rafaella Pereira; TZELIKIS, Patrick Frensel de Moraes; CHAVES, Mario Augusto Pereira Dias; MOTTA, Antonio Francisco Pimenta; CARRICONDO, Pedro Carlos; ALVES, Milton Ruiz; NOSE, WaltonPurpose: To compare visual outcomes and performance between bilateral implantation of a diffractive trifocal intraocular lens (IOL) Acrysof (R) PanOptix (R) TFNT00 and blended implantation of two different near add power bifocal IOLs: Acrysof (R) Restor (R) SV25T0 in dominant eye and Acrysof (R) Restor (R) SN6AD1 in the nondominant eye. Methods: This prospective, nonrandomized, consecutive and comparative study assessed 20 patients (40 eyes) who had bilateral cataract surgery performed using the IOLs described. Patients were divided into groups, bilateral trifocal implant and blended implant. Evaluation included measurement of binocular uncorrected and corrected distance visual acuity at 4 m (UDVA, CDVA) and uncorrected intermediate (60 cm) and near (at 40 cm) visual acuity; contrast sensitivity (CS) and visual defocus curve. Results: Postoperative CDVA comparison showed no statistical significance between groups. UDVA was significantly better in the trifocal groups. Under photopic conditions, the trifocal group had better CS in higher frequencies with and without glare. The binocular defocus curve demonstrated a trifocal behavior in both groups, with the bilateral trifocal group exhibiting better performance for intermediate vision. Conclusion: Both lens combinations were able to provide good near, intermediate and distance vision, with the trifocal group showing significantly better performance at intermediate distances and better CS under photopic conditions.
- Architecture evaluation of the main clear corneal incisions in femtosecond laser-assisted cataract surgery by optical coherence tomography imaging(2019) CHAVES, Mario Augusto Pereira Dias; MEDEIROS, Andre Lins de; VILAR, Cesar Martins Cortez; MAGALHAES, Klayne Rafaella Pereira; GONCALVES, Michelle Rodrigues; TZELIKIS, Patrick Frenzel de Moraes; HIDA, Wilson Takashi; CARRICONDO, Pedro Carlos; ALVES, Milton RuizPurpose: To assess the stability and reliability of femtosecond laser-assisted cataract surgery (FLACS) incisions design and dimensions using anterior segment optical coherence tomography (AS-OCT) imaging. Setting: Renato Ambrosio Ophthalmologic Study Center from Hospital Oftalmologico de Brasilia, Brasilia, Brazil. Design: Prospective nonrandomized controlled case series. Methods: Eyes undergoing FLACS with triplanar main temporal clear corneal incision (CCI) were evaluated at the end of the case. Eyes that required any incision hydration, surgical complications or lacked follow-up were excluded. The AS-OCT was performed after femtosecond delivery; at the end of the case; at 1 day and at 30 days after surgery. Data of pachymetry, endothelial and epithelial gaps, Descemet detachment and CCI architecture were compared. Results: Eleven eyes from 11 patients completed follow-up. Corneal thickness was statistically different between after femtosecond delivery and the end of the case (P-value <0.05), but without difference compared to 30 days evaluation. There was an increase of Descemet detachments (P-value,0.05) and endothelial gaps (P-value =0.0133) at the end of the case compared to post-femtosecond delivery. As for the architecture of the CCI, significant difference was found between the parameters of entry angle and exit angle measured with AS-OCT and the programmed. Conclusion: The AS-OCT was capable of visualizing changes in the cornea at the CCI. Despite the stress caused by manipulation, results indicated good stability of incision and reproducibility of tunnel length. Synopsis: Difference of corneal thickness at the CCI between after femtosecond and after phacoemulsification measurements (P-value,0.05), with increase of endothelial gaps (P-value =0.0133) and Descemet detachments (P-value,0.05).
- Clinical comparison of speculum's influence on intraoperative aberrometry reading(2019) QUEIROZ, Rodrigo Franco Lafeta; KNIGGENDORF, Danilo Varela; MEDEIROS, Andre Lins de; HIDA, Wilson Takashi; NAKANO, Celso Takashi; CARRICONDO, Pedro Carlos; NOSE, Walton; ROHM, Andre Gustavo; MOTTAL, Antonio Francisco PimentaPurpose: The aim of this study was to evaluate the influence of four different types of speculums on aberrometry reading (OPD SCAN III [OPD]) and on intraoperative aberrometry reading (optiwave response analyzer, ORA). Patients and methods: This prospective, controlled, comparative study of consecutive cases included the evaluation of five eyes of five patients with monofocal intraocular lens (IOL) implantation. Seventeen measures were performed on each patient: for each speculum, there were two measurements on the OPD and another two on ORA with four different types of blepharostats. A control measure was performed on the without blepharostat in the dominant eye of each patient, therefore totalizing 85 measurements. The measures with the blepharostats were as follows: without pressure (WF) or passive measure and after pressure (AF) or active measure to close the eye. The speculum used in all patients was as follows: open- edged wire (Barraquer); threaded with open blade (Lieberman), with 21 mm aperture; wired with solid blade (Barraquer); and threaded with solid blade (Lieberman) with 21 mm opening. An evaluation of the objective refractive data from the OPD and ORA and the corneal astigmatism from the OPD was performed. Results: Spherical equivalent (SE) of the OPD with the use of blepharostat compared to the OPD without speculum presented only 37.5% of results without statistical significance. Regarding the SE of ORA with speculum usage, compared to the OPD without blepharostat, only 12.5% were not significant. Regarding the accuracy of the ORA refractive axis with the use of blepharostats, all results presented statistical significance. Conclusion: Thus, in the present study, we reached the conclusion between the studied blepharostats that the most suitable for use in the aphakic and pseudophakic capture of the ORA is the open blade threaded blepharostat (Lieberman).