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Preoperative factors influencing success in pterygium surgery

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Preoperative factors influencing success in pterygium surgery

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dc.contributor.author Torres-Gimeno, Ana es_ES
dc.contributor.author Martínez-Costa, Lucía es_ES
dc.contributor.author Ayala Gallego, Guillermo es_ES
dc.date.accessioned 2015-06-19T10:17:59Z
dc.date.available 2015-06-19T10:17:59Z
dc.date.issued 2012 es_ES
dc.identifier.citation BMC Ophthalmology Vol. 12 pp. 38-38 es_ES
dc.identifier.uri http://hdl.handle.net/10550/44541
dc.description.abstract BackgroundTo identify preoperative, perioperative and postoperative risk factors that influence the success of pterygium surgery.MethodsThis is a prospective study of thirty-six patients with primary or recurrent pterygia. A detailed anamnesis and an ophthalmological examination were performed looking for the following factors: age, race, latitude and altitude of the main place of residence, hours of exposure to the sun, use of protective measures against UV-radiation, classification of pterygium, width of the pterygium at limbus, surgical technique (conjunctival autograft plus suturing versus tissue glue), graft alterations (misapposition, granuloma, haemorrhage, oedema, retraction or necrosis), and postoperative symptoms (foreign-body sensation, pain). The examinations were performed 2 and 7 days and 2, 6 and 12 months after surgery. In addition, recurrence was defined as any growth of conjunctiva into the cornea.ResultsA logistic regression and a survival analysis have been used to perform data analysis. A total number of 36 patients completed a one year follow-up. A total of 13 patients were born and lived in Spain, and 26 came from other countries, mostly Latin America. A total number of 8 males (no women) presented a recurrence, mainly between 2 and 6 months. The hours of sun exposure through their life was independently related to surgical success. Pterygia of less than 5 mm of base width showed a weak positive correlation with recurrence. None of the other factors considered were significantly related to recurrence.ConclusionsMale gender and high sun exposure are strongly and independently related to surgical success after the removal of pterygia. es_ES
dc.subject Risk factors es_ES
dc.subject Sunlight exposure es_ES
dc.subject Pterygium surgery es_ES
dc.subject Conjunctival autograft es_ES
dc.title Preoperative factors influencing success in pterygium surgery es_ES
dc.type journal article es_ES
dc.identifier.doi 10.1186/1471-2415-12-38 es_ES
dc.identifier.idgrec 079705 es_ES

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