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1.
Rev. bras. oftalmol ; 80(2): 146-150, Mar.-Apr. 2021. graf
Article in English | LILACS | ID: biblio-1280111

ABSTRACT

ABSTRACT We propose a novel surgical technique in cases of aggressive recurrent pterygium non-subsidiary of treatment with conjunctival autografts or antimetabolites. Two presented cases were treated with surgical excision and a sutured plasma rich in growth factors membrane (mPRGF) followed by rich in growth factors (PRGF) eye drops treatment. After surgery, dexamethasone, tobramycin and PRGF eye drops were prescribed for 6 weeks. After a 12-month and 3-year post-surgical follow-up respectively, treated eyes with mPRGF did not present relapse, and visual acuity improved in both cases. No ocular complications, pain, eye discomfort nor other symptoms were observed. The combined use of PRGF eye drops and mPRGF seems an effective and safe therapy for recurrent pterygium.


RESUMO Nós propomos uma nova técnica cirúrgica em casos de pterígio agressivo recorrente não subsidiário de tratamento com autoenxertos conjuntivais ou antimetabólitos. Dois casos foram tratados com excisão cirúrgica e um plasma suturado rico em membrana de fatores de crescimento (mPRGF), seguido de tratamento com colírios ricos em fatores de crescimento (PRGF). Após a cirurgia, foram prescritos colírios de dexametasona, tobramicina e PRGF por 6 semanas. Após 12 meses e 3 anos de acompanhamento pós-cirúrgico respectivamente, os olhos tratados com mPRGF não apresentaram recidiva e a acuidade visual melhorou nos dois casos. Não foram observadas complicações oculares, dor, desconforto ocular ou outros sintomas. O uso combinado de colírios de PRGF e mPRGF parece uma terapia eficaz e segura para o pterígio recorrente.


Subject(s)
Humans , Male , Middle Aged , Aged , Pterygium/surgery , Platelet-Rich Plasma , Platelet-Rich Fibrin , Ophthalmic Solutions , Recurrence , Reoperation , Ophthalmologic Surgical Procedures/methods , Biological Dressings , Fibrin/therapeutic use , Platelet Activation , Tissue Transplantation/methods , Tissue Engineering
2.
Korean Journal of Ophthalmology ; : 278-283, 2014.
Article in English | WPRIM | ID: wpr-51374

ABSTRACT

We studied three patients who developed left unilateral punctate keratitis after suffering left-sided Wallenberg Syndrome. A complex evolution occurred in two of them. In all cases, neurophysiological studies showed damage in the trigeminal sensory component at the bulbar level. Corneal involvement secondary to Wallenberg syndrome is a rare cause of unilateral superficial punctate keratitis. The loss of corneal sensitivity caused by trigeminal neuropathy leads to epithelial erosions that are frequently unobserved by the patient, resulting in a high risk of corneal-ulcer development with the possibility of superinfection. Neurophysiological studies can help to locate the anatomical level of damage at the ophthalmic branch of the trigeminal nerve, confirming the suspected etiology of stroke, and demonstrating that prior vascular involvement coincides with the location of trigeminal nerve damage. In some of these patients, oculofacial pain is a distinctive feature.


Subject(s)
Aged , Female , Humans , Middle Aged , Cornea/pathology , Diagnosis, Differential , Keratitis/diagnosis , Lateral Medullary Syndrome/complications
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