1996
DOI: 10.1016/s0886-3350(96)80121-0
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Risk factors for corneal endothelial injury during phacoemulsification

Abstract: Both univariate and multivariate analyses identified the firmness of the nucleus as the most significant risk factor for endothelial cell loss. Therefore, mechanical contact with nuclear fragments is considered the principal cause of endothelial injury.

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Cited by 337 publications
(254 citation statements)
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“…Performing phacoemulsification on brunescent cataracts involves the risk of endothelial damage, zonulysis, posterior capsule rupture, and postoperative corneal oedema. 6,7 In a study on phacoemulsification in patients with BBC, 3 28.1% of the patients developing corneal oedema in contrast to 19.6% of patients in our study. In that study, 13% developed a wound-site thermal injury, whereas none occurred in our patients.…”
Section: Discussioncontrasting
confidence: 56%
“…Performing phacoemulsification on brunescent cataracts involves the risk of endothelial damage, zonulysis, posterior capsule rupture, and postoperative corneal oedema. 6,7 In a study on phacoemulsification in patients with BBC, 3 28.1% of the patients developing corneal oedema in contrast to 19.6% of patients in our study. In that study, 13% developed a wound-site thermal injury, whereas none occurred in our patients.…”
Section: Discussioncontrasting
confidence: 56%
“…It is known that less surgical trauma causes lower endothelial damage. 2 ECL can occur during phacoemulsification from many causes such as hard and [4][5][6][7][25][26][27] Besides the above-mentioned parameters, the skill of the surgeon is still crucial.…”
Section: Discussionmentioning
confidence: 99%
“…19,[25][26][27] It is known that endothelial cell survival depends on the type of OVD used. 11,12,15,18 It is unclear whether ECL decreases using phaco chop technique during fluid-based phacoemulsification.…”
Section: Discussionmentioning
confidence: 99%
“…Quando se estudou somente os casos com perda endotelial superior a 15%, houve 6 casos de extração extracapsular com média de perda de 23,1% e 10 casos de facoemulsificação, com média de perda de 52,6% (19) . Apesar da dureza do núcleo lenticular não ser um fator considerado nos trabalhos que avaliam a densidade endotelial em cirurgias de extração extracapsular da catarata (16,20) , o tamanho dos núcleos duros representa uma adversidade na hora de sua extração, aumentando a manipulação e o risco de toque do núcleo ao endotélio e conseqüente lesão a esta camada (5) . Outro fator que deve ser considerado é o local da abordagem cirúrgica, a incisão utilizada foi limbar, que tende a perder mais células que a abertura escleral (21) .…”
Section: Discussionunclassified
“…De um lado, a facoemulsificação, com a vantagem de precisar de menor incisão e apresentar uma recuperação mais rápida (4) e a desvantagem de necessitar, para emulsificação dos nú-cleos duros, de maior quantidade de energia ultra-sônica, o que está correlacionado com aumento da lesão ao endotélio corneano (5) . De outra parte, a extração extracapsular, necessitando de incisões maiores tem uma recuperação mais lenta, todavia não utiliza ultra-som e, tecnicamente exige menor manipulação intra-ocular (1) .…”
Section: Introductionunclassified