6 results on '"Gonioscopy/methods"'
Search Results
2. Gonioscopy-assisted transluminal trabeculotomy (GATT) outcomes in eyes with open-angle glaucoma resistant to maximum treatment.
- Author
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de Faria, Bruno M., Daga, Fábio B., Rebouças-Santos, Vespasiano, de Araújo, Rafael B., Matos Neto, Carlos, Jacobina, Jéssica S., and de Faria, Marco A. R.
- Subjects
TRABECULECTOMY ,OPEN-angle glaucoma ,OCULAR hypotony ,INTRAOCULAR pressure ,CATARACT surgery ,SUTURING - Abstract
Copyright of Arquivos Brasileiros de Oftalmologia is the property of Arquivos Brasileiros de Oftalmologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2021
- Full Text
- View/download PDF
3. Resultados da técnica de trabeculotomia transluminal assistida por gonioscopia em olhos com glaucoma de ângulo aberto resistentes ao tratamento máximo
- Author
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Bruno M. de Faria, Fábio B. Daga, Vespasiano Rebouças-Santos, Rafael B. de Araújo, Carlos Matos Neto, Jéssica S. Jacobina, and Marco A. R. de Faria
- Subjects
Trabeculotomia/métdos ,genetic structures ,Gonioscopy/methods ,Glaucoma de ângulo aberto/cirurgia ,RE1-994 ,eye diseases ,Glaucoma, open-angle/surgery ,Ophthalmology ,Resultado de tratamento ,Gonioscopia/métodos ,sense organs ,Treatment outcome ,Trabeculectomy/methods - Abstract
Purpose: To report the initial 2 years’ learning curve on gonioscopy-assisted transluminal trabeculotomy performed using the thermally blunted suture technique and review the factors that could potentially affect the outcome. Methods: This retrospective study evaluated 100 eyes from 89 participants with glaucoma resistant to maximum clinical treatment, which was defined as having an intraocular pressure >21 mmHg in addition to three or four different hypotensive drugs. Intraocular pressure values at baseline, 1 week, and at 1, 2, 3, 6, 12, and 24 months of follow-up and details regarding the need of antiglaucoma medication and further glaucoma surgery were recorded. Eyes that required further surgical intervention for intraocular pressure control were considered as failure. Results: A total of 51 eyes were subjected to isolated gonioscopy-assisted transluminal trabeculotomy, and 49 eyes were subjected to gonioscopy-assisted transluminal trabeculotomy + cataract extraction at the same surgical time. A statistically significant difference was observed between overall mean follow-up intraocular pressure and mean preoperative intraocular pressure (p
- Published
- 2021
4. Short-term endothelial cell density changes after gonioscopy-assisted transluminal trabeculotomy
- Author
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Fábio B. Daga, Gustavo Henrique de Lima Melillo, Fabio N. Kanadani, Tiago S. Prata, and Bruno Mendes de Faria
- Subjects
Adult ,Male ,medicine.medical_specialty ,genetic structures ,medicine.medical_treatment ,Extração de catarata ,Gonioscopy ,Glaucoma ,Trabeculectomy ,Corneal endothelial cell loss ,Cataract extraction ,Perda de células endoteliais da córnea ,Ophthalmology ,Medicine ,Humans ,Trabeculectomia/métodos ,Trabecular meshwork ,Glaucoma de ângulo aberto ,Malha trabecular ,Intraocular Pressure ,Aged ,Retrospective Studies ,medicine.diagnostic_test ,business.industry ,Gonioscopy/methods ,Endothelial Cells ,General Medicine ,Phacoemulsification ,RE1-994 ,Middle Aged ,medicine.disease ,Trabeculotomy ,Glaucoma, open-angle ,Endothelial cell density ,Absolute deviation ,Treatment Outcome ,Corneal endothelial cell ,Female ,Gonioscopia/métodos ,business ,Trabeculectomy/methods ,Glaucoma, Open-Angle ,Follow-Up Studies - Abstract
Purpose: To investigate the reduction in corneal endothelial cell density associated with gonioscopy-assisted transluminal trabeculotomy (GATT) in a short-term follow-up period. Methods: A retrospective analysis of the medical charts of patients with open-angle glaucoma who underwent gonioscopy-assisted transluminal trabeculotomy isolated or combined with phacoemulsification (phaco-gonioscopy-assisted transluminal trabeculotomy) was conducted. Patients who underwent phacoemulsification alone were included as controls. The endothelial cell density data (assessed using a specular microscope) before and at the first month after operation were collected and then compared. Results: Sixty-two eyes previously treated with gonioscopy-assisted transluminal trabeculotomy (gonioscopy-assisted transluminal trabeculotomy, n=39 eyes; phaco-gonioscopy-assisted transluminal trabeculotomy, n=23 eyes) fulfilled the inclusion criteria. The mean age of the study patients was 61.3 ± 18.4 years in the stand-alone gonioscopyassisted transluminal trabeculotomy group and 60.4 ± 11.9 in phaco-gonioscopy-assisted transluminal trabeculotomy group. Men comprised 66.6% of the patients in the isolated gonioscopyassisted transluminal trabeculotomy group and 56.5% of those in the phaco-gonioscopy-assisted transluminal trabeculotomy group. The mean visual field defects (mean deviation index) were -13.9 ± 9.2 and -10.3 ± 7.7 dB in the isolated gonioscopy-assisted and phaco-gonioscopy-assisted transluminal trabeculotomy groups, respectively. The patients in the former group presented a mean endothelial cell density reduction of 28.8 cells/mm² (1.31%; p=0.467). In the latter group, the mean endothelial cell density loss was 89.4 cells/mm² (4.36%; p=0.028). The control eyes (23 patients) presented a mean endothelial cell density change of 114.1 ± 159.8 cells/mm² (4.41%; p=0.505). The endothelial cell density reduction in the phaco-gonioscopy-assisted transluminal trabeculotomy group was not significantly different from that in the controls (p=0.81). Conclusions: Gonioscopy-assisted transluminal trabeculotomy appears to be a safe procedure for the corneal endothelial cell layer when performed either isolated or combined with cataract extraction in a short-term follow-up period. RESUMO Objetivo: Investigar a redução na densidade celular endotelial corneana associada à trabeculotomia transluminal assistida por gonioscopia (GATT) em curto prazo. Métodos: Análise retrospectiva de prontuários médicos de pacientes com glaucoma de ângulo aberto que foram submetidos à trabeculotomia transluminal assistida por gonioscopia isolada ou combinada com facoemulsificação. Pacientes que foram submetidos à facoemulsificação isolada foram incluídos como controles. Dados da densidade celular endotelial corneana (avaliada através de microscópio especular) pré-operatória e ao primeiro mês pós-operatório foram coletados e comparados. Resultados: Sessenta e dois olhos que foram submetidos à trabeculotomia transluminal assistida por gonioscopia (trabeculotomia transluminal assistida por gonioscopia=39 olhos; faco com trabeculotomia transluminal assistida por gonioscopia=23 olhos) passaram pelos critérios de inclusão. A idade média dos pacientes estudados era 61,3 ± 18,4 anos no grupo trabeculotomia transluminal assistida por gonioscopia isolada e 60,4 ± 11,9 anos no grupo faco com trabeculotomia transluminal assistida por gonioscopia. Homens eram 66,6% do grupo trabeculotomia transluminal assistida por gonioscopia isolada e 56,5% do grupo faco com trabeculotomia transluminal assistida por gonioscopia. O defeito perimétrico médio (Mean Deviation) era -13,9 ± 9,2 dB e -10,3 ± 7,7 dB nos grupos trabeculotomia transluminal assistida por gonioscopia isolada e faco com trabeculotomia transluminal assistida por gonioscopia respectivamente. O grupo que fora submetido à trabeculotomia transluminal assistida por gonioscopia isolada apresentou redução média da densidade celular endotelial corneana de 28,8 células/mm² (1,31%; p=0,467). No grupo faco com trabeculotomia transluminal assistida por gonioscopia, a redução média da densidade celular endotelial corneana foi de 89,4 células/mm² (4,36%; p=0,028). Olhos controle (23 olhos) apresentaram redução média da densidade celular endotelial corneana de 114,1 ± 159,8 células/mm² (4,41%; p=0,505). A redução na densidade celular endotelial corneana no grupo faco com trabeculotomia transluminal assistida por gonioscopia não foi significativamente diferente do grupo controle (p=0,81). Conclusões: A trabeculotomia transluminal assistida por gonioscopia parece ser segura para a camada endotelial corneana em um curto prazo quando realizada de forma isolada ou combinada com cirurgia de catarata.
- Published
- 2020
5. Glaucoma anterior chamber morphometry based on optical Scheimpflug images.
- Author
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ALONSO, RUIZ SIMONATO, AMBRÓSIO JUNIOR, RENATO, PARANHOS JUNIOR, AUGUSTO, SAKATA, LISANDRO MASSANORI, and VENTURA, MARCELO PALIS
- Subjects
GLAUCOMA ,GONIOSCOPY ,ANTERIOR chamber (Eye) ,EYE examination ,IMAGE processing ,CORNEA - Abstract
Copyright of Arquivos Brasileiros de Oftalmologia is the property of Arquivos Brasileiros de Oftalmologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2010
- Full Text
- View/download PDF
6. Glaucoma anterior chamber morphometry based on optical Scheimpflug images
- Author
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Augusto Paranhos Junior, Renato Ambrósio Junior, Ruiz Simonato Alonso, Marcelo Palis Ventura, and Lisandro Massanori Sakata
- Subjects
Adult ,Male ,medicine.medical_specialty ,Anterior Chamber ,Scheimpflug principle ,Gonioscopy ,Glaucoma ,Narrow angle ,Cornea ,Young Adult ,lcsh:Ophthalmology ,Ophthalmology ,Image Processing, Computer-Assisted ,medicine ,Humans ,Image Processing, computer-assisted/methods ,Gonioscopia ,Pentacam hr ,Anterior chamber ,Aged ,Ultrasonography ,Câmara anterior ,Processamento de imagem assistida por computador ,Receiver operating characteristic ,medicine.diagnostic_test ,Cornea/anatomy & histology ,business.industry ,Gonioscopy/methods ,General Medicine ,Middle Aged ,medicine.disease ,eye diseases ,Surgery ,Córnea ,Cross-Sectional Studies ,medicine.anatomical_structure ,ROC Curve ,lcsh:RE1-994 ,Image Processing, computer-assisted ,Female ,sense organs ,Trabecular meshwork ,Glaucoma, Angle-Closure ,business - Abstract
Purpose: To compare the performance of gonioscopy and noncontact morphometry with anterior chamber tomography (High Resolution Pentacam - HR) using optical Scheimpflug images in the evaluation of the anterior chamber angle (ACA). Methods: Transversal study. 112 eyes from 74 subjects evaluated at the Glaucoma Department, Fluminense Federal University, underwent gonioscopy and Pentacam HR. Using gonioscopy, the ACA was graded using the Shaffer Classification (SC) by a single experienced examiner masked to the Pentacam HR findings. Narrow angle was determined in eyes in which the posterior trabecular meshwork could not be seen in two or more quadrants on non-indentation gonioscopy (SC Grade 2 or less). Pentacam HR images of the nasal and temporal quadrants were evaluated by custom software to automatically obtain anterior chamber measurements, such as: anterior chamber angle (ACA), anterior chamber volume (ACV) and anterior chamber depth (ACD). Results: Based on gonioscopy results, 74 (60.07%) eyes of patients classified as open-angle (SC 3 and 4) and 38 (33.93%) eyes of patients classified as narrow-angle (SC 1 and 2). Noncontact morphometry with Scheimpflug images revealed a mean ACA of 39.20 ± 5.31 degrees for open-angle and 21.18 ± 7.98 degrees for narrow-angle. The open-angle group showed significant greater ACV and ACD values when compared to narrow-angle group (ACV of 193 ± 36 mm³ vs. 90 ± 25 mm³, respectively, p
- Published
- 2010
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