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Revista Cubana de Oftalmología
versão impressa ISSN 0864-2176
Resumo
VEITIA ROVIROSA, Zucell Ana et al. Comparative study of the endothelial cell loss between the ultrachop and the prechop phacoemulsification techniques. Rev Cubana Oftalmol [online]. 2010, vol.23, suppl.2, pp. 739-748. ISSN 0864-2176.
OBJECTIVE: To compare the endothelial cell loss in patients operated on from cataracts through ultrachop and prechop phacoemulsification. METHOD: A prospective observational study of 120 patients (eyes) treated at the Ocular Microsurgery Center in «Ramón Pando Ferrer» Cuban Institute of Ophthalmology and operated on from cataract through prechop and ultrachop phacoemulsification techniques in the period from November 2006 to July 2008. They were performed endothelial microscopy before and after surgery in order to determine the corneal endothelial disorders caused by it. Variables such as age, endothelial problems, effective phacoemulsification time (PET) and visual acuity were analyzed. The Information was processed through absolute, relative, mean frequencies and Student´s T test RESULTS: The patients aged 60 - 87 years predominated, the cell loss was proportional to increased age and the PET. Polymegatism increased in relation to PET in the group operated on by the ultrachop whereas the change of pleomorphism in both groups was not significant. Corrected visual acuity improved by more than four lines on the Snellen´s chart, which is equivalent to 25 VAR in the Logmar scale. The endothelial alterations did not influence the postoperative visual outcome. CONCLUSIONS: This study allows the surgeon operating the anterior segment to set prognosis prior to the surgery, and this is an important pillar before the surgical procedure.
Palavras-chave : Phacoemulsification; ultrachop; prechop; corneal endothelium.