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Archivos de la Sociedad Española de Oftalmología

versión impresa ISSN 0365-6691

Resumen

VILLEGAS BECERRIL, E.; PERULA DE TORRES, L.; BERGILLOS ARILLO, M.  y  VILLEGAS DEL CUVILLO, C.. Evaluation of topical vasoconstrictors in pterygium surgery and their role in reducing intraoperative bleeding. Arch Soc Esp Oftalmol [online]. 2011, vol.86, n.2, pp.54-57. ISSN 0365-6691.

Objective: To reduce vascularisation before surgery through the application of topical vasoconstrictors, decreases the rate of intraoperative bleeding, improves the dynamics of the surgery and reduces the difficulty in surgical performance. Methods: Only patients with primary pterygium were included in the study. A prospective randomized clinical trial was designed to compare intraoperative bleeding, need for cauterization and surgical time a group that was administered phenylephrine. preoperatively and one which did not receive it. The sample was divided into two groups: 1st (n=27) received topical phenylephrine (F) 0.1ml (10%), twice in 5minutes before surgery. 2nd (n=30) did not receive phenylephrine (NoF). The technique was similar in both groups using conjunctival autograft suturing. In both groups, the subconjunctival aneasthesia was performed with 0.5% bupivacaine hydrochloride with epinephrine 1:200,000. Results: A total of 57 patients were included in the study. The mean operation time for group F was 15.57minutes (SD: 1.8min) and the NoF group 16.51min (SD to 1.82min, P=.057). In the group F, it was necessary to use diathermy in 2 patients (7.4%) and in the NoF group cauterisation was used in 14 patients (46.7%, Chi-Square=10.848, P=.001. There is a relative risk 6.3 (95% CI 1.57 - 25.27) times greater than having to cauterise without phenylephrine when used phenylephrine. Conclusions: The use of topical vasconstrictors prior to pterygium surgery reduces the rate of bleeding and the time of surgery.

Palabras clave : Pterygium; Vasoconstrictors; Bbleeding; Complications; Phenylephrine.

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