V-Prechop nucleodissection technique feasibility in the phacoemulsification in dogs with cataracts. Clinical aspects and specular microscopy
DOI:
https://doi.org/10.5433/1679-0359.2020v41n6Supl2p3107Palabras clave:
Dogs, Cataract, Nucleodissection, V-prechop, Specular microscope.Resumen
The aim of this study was to evaluate the feasibility of the V-Prechop nucleodissection technique in the phacoemulsification in dogs and the clinical aspects and of the specular microscopy in the postoperative period. Fourty three dogs of different breeds, males and females, aged 3 to 10 years, with mature (n=22) and immature (n=21) cataracts were used. After surgery, patients were evaluated weekly for visual acuity, intraocular pressure, and endothelial corneal cell density (by non-contact specular microscopy) and quantitative flare (by laser flare photometry) during different periods. The "V-prechop" technique presented technical difficulties in implementation in patients with a mature cataract. In selected cases of patients with an immature cataract, the technique can be employed, as the nuclei are softer, allowing confection of the linear fragments in “V” to be performed. In addition, the eyes of dogs with a mature cataract presented more intensive postoperative uveitis, probably related to the greater difficulty in conducting the "V" nucleodissection. There was decreased endothelial corneal cell density in dogs with mature and immature cataracts. This occurrence was greater in patients with a mature cataract, given the increased intraocular manipulation and surgical time due to the difficulty in performing the “V” nucleodissection. According to the results obtained, the “V-prechop” nucleodissection technique can be indicated in selective cases of dogs with an immature cataract.Citas
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Chiurciu, J. L.V., Brandão, C. V. S., Rodrigues, A. C. L., Ranzani, J. J. T., Ferreira, T. H., Padovani, C. R. (2010). Uso de viscoelásticos na facoemulsificação em cães portadores de catarata: efeitos sobre a pressão intraocular, a morfologia das células endoteliais e a espessura corneana. Arquivos Brasileiros de Medicina Veterinária e Zootecnia, 62 (3), p.570-577, 2010. doi: 10.1590/S0102-09352010000300011
Dziezyc, J. (1990). Cataract surgery. Current approaches. Veterinary Clinics of North American Small Animal Practice, 20(3), 737-754.
Fischer, C. (1989). Geriatric ophthalmology. Veterinary Clinics of North American Small Animal Practice, 19(1), 103-123.
Freitas, M. S. (2002). Nucleodissecção & facoemulsificação. Arquivos Brasileiros de Oftalmologia, 65(2), 243-248. doi: 10.1590/S0004-27492002000200016
Glover, T. D., & Constantinescu, G. M. (1997). Surgery for cataract. Veterinary Clinics of North American Small Animal Practice, 27(5), 1143-1173.
Gwin, R. M., Lerner, I, Warren, J. K., & Gum, G. (1982). Decrease in canine corneal endothelial cell density and increase in corneal thickness as function of age. Investigative of Ophthalmology Visual and Science, 22(2), 267-271.
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Maár, N., Graebe, A., Schild, G., Stur, M., & Amon, M. (2011) Influence of viscoelastic substances used in cataract surgery on corneal metabolism and endothelial morphology: comparison of Healon and Viscoat. Journal of Cataract and Refractive Surgery, 27(11), p.1756-61. doi: 10.1016/S0886-3350(01) 00985-3
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Nasisse, M. P. (1991). Phacoemulsification and intraocular lens implantation: A study of technique in 182 dogs. Progress in Veterinary Compendium Ophthalmology, 1(4), 225-232.
Özgencil, F. E. (2005). The results of phacofragmentation and aspiration surgery for cataract extraction in dogs. Turkey Journal of Veterinary and Animal Science, Istambul, 29, 165-173.
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Park, S. A., Yi, N. Y., Jeong, M. B., Kim, W. T., Kim, S. E., Chae, J. M., & Seo, K. M. (2009). Clinical manifestations of cataracts in small breed dogs. Veterinary Ophthalmology, 12(4), 205-210. doi: 10.11 11/j.1463-5224.2009.00697.x
Pigatto, J. A. T., Abib, F. C., Pereira, G. T., Barros, P. S. M., Freire, C. D., & Laus, J. L. (2006). Density of corneal endothelial cells in eyes of dogs using specular microscopy. Brazilian Journal of Veterinary Research and Animal Science, 43(4), 476-480. doi: 10.11606/issn.1678-4456.bjvras.2006.26462
Resnikoff, S., Pascolini, D., Etya’Ale, D., Kocuri, I., Pararajasegaram, R., Pokhareal, G. P., & Mariotti, S. P. (2004). Global data on visual impairment the year 2020. Bulletin of the World Health Organization, 82, 844-51.
Schulze, S. D., Bertelamann, T., Mnaojlovic, I., Bodanowitz, S., Irle, S., & Sekundo, W. (2015). Changes in corneal endothelium cell characteristics after cataract surgery with and without use of viscoelastic substances during intraocular lens implantation. Clinical Ophthalmology, 9, 2073-2080. doi: 10.2147/ OPTH.S90628
Slatter, D. (2005). Fundamentos de Oftalmologia Veterinária. São Paulo: Editora Roca.
Waring, G. O. (1984). Corneal structure and pathophysiology. In G. O. Waring (Ed.), Corneal disorders: clinical diagnosis and management (pp. 3-25). Philadelphia, EUA: WB Saunders.
Warren, C. (2004). Phaco chop technique for cataract surgery in the dog. Veterinary Ophthalmology, 7(5), 348-351. doi: 10.1111/j.1463-5224.2004.04048.x
Wilkie, D. A., & Colitz, C. M. H. (2007). Surgery of the canine lens. In Veterinary Ophthalmology (pp. 888-931). Iowa, EUA: Blackwell Publishing.
Zhao, L., Chen, X. J., Zhu, J., Xi, Y. B., Yang, X., Hu, L. D.,…Zhang, K. (2015). Lanosterol reverses protein aggregation in cataracts. Nature, 30.523 (7562), 607-711. doi: 10.1038/nature14650
Arshinoff, S. A. (1999). Dispersive-cohesive viscoelastic ‘soft shell’ technique. Journal of Cataract and Refractive Surgery, 25(2), 167-173. doi: 10.1016/S0886-3350(99)80121-7
Bistner, S. I. (1992). Recent developments in comparative ophthalmology. Compendium Continuing Education in Veterinary Practice, 14(10), 1304-1323.
Can, I., Takmaz, T., Çakici, F., Özgül, M., & Meltem, M. D. (2004). Comparison of Nagahara phaco-chop and stop-and-chop phacoemulsification nucleotomy techniques. Journal of Cataract and Refractive Surgery, 30(3), 663-668. doi: 10.1016/j.jcrs.2003.06.006
Centurion, V., Lacava, A. C., & Caballero, J. C. (2004). Cirurgia da catarata com microincisão e lente intra-ocular ultrafina. Revista Brasileira de Oftalmologia, (63), 12-17.
Chiurciu, J. L.V., Brandão, C. V. S., Rodrigues, A. C. L., Ranzani, J. J. T., Ferreira, T. H., Padovani, C. R. (2010). Uso de viscoelásticos na facoemulsificação em cães portadores de catarata: efeitos sobre a pressão intraocular, a morfologia das células endoteliais e a espessura corneana. Arquivos Brasileiros de Medicina Veterinária e Zootecnia, 62 (3), p.570-577, 2010. doi: 10.1590/S0102-09352010000300011
Dziezyc, J. (1990). Cataract surgery. Current approaches. Veterinary Clinics of North American Small Animal Practice, 20(3), 737-754.
Fischer, C. (1989). Geriatric ophthalmology. Veterinary Clinics of North American Small Animal Practice, 19(1), 103-123.
Freitas, M. S. (2002). Nucleodissecção & facoemulsificação. Arquivos Brasileiros de Oftalmologia, 65(2), 243-248. doi: 10.1590/S0004-27492002000200016
Glover, T. D., & Constantinescu, G. M. (1997). Surgery for cataract. Veterinary Clinics of North American Small Animal Practice, 27(5), 1143-1173.
Gwin, R. M., Lerner, I, Warren, J. K., & Gum, G. (1982). Decrease in canine corneal endothelial cell density and increase in corneal thickness as function of age. Investigative of Ophthalmology Visual and Science, 22(2), 267-271.
Jaffe, N. S., Jaffe, M. S., & Jaffe, G. F. (1990). Cataracts surgery and its complications (pp. 400-411). New York, NY: St Louis: Mosby.
Klonowski, P., Rejdak, R., & Alió, J. L. (2013). Micro incision cataract surgery. Expert Review of Ophthalmology, 4(4), 375-391. doi: 10.1586/17469899.2013.825461
La Croix, N. (2008). Cataracts: When to refer. Topics Compendium Animal Medicine, 23(1), 46-50.
Maár, N., Graebe, A., Schild, G., Stur, M., & Amon, M. (2011) Influence of viscoelastic substances used in cataract surgery on corneal metabolism and endothelial morphology: comparison of Healon and Viscoat. Journal of Cataract and Refractive Surgery, 27(11), p.1756-61. doi: 10.1016/S0886-3350(01) 00985-3
Martins, B. C., Rodrigues, E. F. Jr., Souza, A. L. G., Almeida, D. E., Brito, F. L. C., Canola, J. C., Brooks, D. E., & Laus, J. L. (2010). A and B mode ultrasonography in preoperative evaluation of lens and posterior segment of dogs eyes with cataract. Pesquisa Veterinária Brasileira, 30(2), 121-126. doi: 10. 1590/S0100-736X2010000200004
Mencucci, R., Ponchietti, C., Virgili, G., Giansanti, F., & Menchini, U. (2006). Corneal endothelial damage after cataract surgery: microincision versus standard technique, Journal of Cataract and Refractive Surgery, 32(8), 1351-1354. doi: 10.1016/j.jcrs.2006.02.070
Munger, R. J. (2009). Catarata. In J. L. Laus (Ed.), Oftalmologia clínica e cirúrgica em cães e gatos (pp.116-132). São Paulo: Editora Roca.
Nafströn, K., Eksten, B., Roselen, S. G., Spiess, B. M., Percicot, C. L., & Ofrei, R. (2002). Guidelines for clinical electroretinography in the dog. Documenta Ophthamologica, Switzerland, 105(2), 83-92.
Nasisse, M. P. (1991). Phacoemulsification and intraocular lens implantation: A study of technique in 182 dogs. Progress in Veterinary Compendium Ophthalmology, 1(4), 225-232.
Özgencil, F. E. (2005). The results of phacofragmentation and aspiration surgery for cataract extraction in dogs. Turkey Journal of Veterinary and Animal Science, Istambul, 29, 165-173.
Padua, I. R. M., Valdetaro, G. P., Lima, T. B., Kobashigawa, K. K., Silva, P. E. S., Aldrovani, M., Padua, P. P. M., & Laus, J .L. (2017). Effects of intracameral ascorbic acid on the corneal endothelium of dogs undergoing phacoemulsification. Veterinary Ophthalmology, 21(2), 151-159. doi: 10.1111/vop.12490
Park, S. A., Yi, N. Y., Jeong, M. B., Kim, W. T., Kim, S. E., Chae, J. M., & Seo, K. M. (2009). Clinical manifestations of cataracts in small breed dogs. Veterinary Ophthalmology, 12(4), 205-210. doi: 10.11 11/j.1463-5224.2009.00697.x
Pigatto, J. A. T., Abib, F. C., Pereira, G. T., Barros, P. S. M., Freire, C. D., & Laus, J. L. (2006). Density of corneal endothelial cells in eyes of dogs using specular microscopy. Brazilian Journal of Veterinary Research and Animal Science, 43(4), 476-480. doi: 10.11606/issn.1678-4456.bjvras.2006.26462
Resnikoff, S., Pascolini, D., Etya’Ale, D., Kocuri, I., Pararajasegaram, R., Pokhareal, G. P., & Mariotti, S. P. (2004). Global data on visual impairment the year 2020. Bulletin of the World Health Organization, 82, 844-51.
Schulze, S. D., Bertelamann, T., Mnaojlovic, I., Bodanowitz, S., Irle, S., & Sekundo, W. (2015). Changes in corneal endothelium cell characteristics after cataract surgery with and without use of viscoelastic substances during intraocular lens implantation. Clinical Ophthalmology, 9, 2073-2080. doi: 10.2147/ OPTH.S90628
Slatter, D. (2005). Fundamentos de Oftalmologia Veterinária. São Paulo: Editora Roca.
Waring, G. O. (1984). Corneal structure and pathophysiology. In G. O. Waring (Ed.), Corneal disorders: clinical diagnosis and management (pp. 3-25). Philadelphia, EUA: WB Saunders.
Warren, C. (2004). Phaco chop technique for cataract surgery in the dog. Veterinary Ophthalmology, 7(5), 348-351. doi: 10.1111/j.1463-5224.2004.04048.x
Wilkie, D. A., & Colitz, C. M. H. (2007). Surgery of the canine lens. In Veterinary Ophthalmology (pp. 888-931). Iowa, EUA: Blackwell Publishing.
Zhao, L., Chen, X. J., Zhu, J., Xi, Y. B., Yang, X., Hu, L. D.,…Zhang, K. (2015). Lanosterol reverses protein aggregation in cataracts. Nature, 30.523 (7562), 607-711. doi: 10.1038/nature14650
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2020-11-06
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Andrade, A. L. de, Conceição, L. F. da, Morales, A., Padua, I. R. M., & Laus, J. L. (2020). V-Prechop nucleodissection technique feasibility in the phacoemulsification in dogs with cataracts. Clinical aspects and specular microscopy. Semina: Ciências Agrárias, 41(6Supl2), 3107–3120. https://doi.org/10.5433/1679-0359.2020v41n6Supl2p3107
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