Superficial keratectomy and 360º conjunctival flap for bullous keratopathy in a dog: a case report

Relata-se o caso ocorrido em um cão, da raça Pinscher, com dois anos de idade e histórico de desconforto no olho direito. O olho esquerdo havia sido enucleado por outro profissional, por apresentar os mesmos sinais, cujo tratamento clínico instituído não lograra êxito. O valor do teste da lágrima de Schirmer encontrava-se aumentado e identificou-se diminuição da pressão intraocular à tonometria de aplanação. Observaram-se, à biomicroscopia, edema corneal profuso e ceratocone, e o teste da fluoresceína foi negativo. Gonioscopia e oftalmoscopia não lograram fornecer dados relevantes dadas as condições da córnea. Diagnosticou-se ceratite bolhosa. Optou-se pelo tratamento cirúrgico, que fora realizado em duas etapas: 1- ceratectomia superficial e flap conjuntival de 360º; 2- ceratectomia superficial para devolver transparência à córnea. Transcorridos 30 dias da segunda ceratectomia superficial, o flap de terceira pálpebra foi desfeito. Observou-se conjuntivalização do quadrante nasal superior da córnea, córnea clara no eixo visual e retorno da visão.

Aspectos clínicos do enxerto conjuntival 360° e do implante da membrana amniótica criopreservada no tratamento de úlceras de córnea em cães

To evaluate the clinical application of implant of the canine cryopreserved amniotic membrane (DMEM plus DMSO 1:1) and 360° conjunctival flap in the treatment of progressive corneal ulceration. 10 dogs of the different breeds, males and females, aging four months to four years old with deep corneal ulceration and different clinical progression were divided in two groups: G1=360° conjunctival graft (n=5) and G2=implant of amniotic membrane, sutured at the edge of the ulcer with epithelial side facing up, associated with the third eyelid flap (n=5). The comparative analysis between groups was: complications, blepharospasm, ocular secretion, corneal vascularization, epithelial defect and corneal opacification in six moments (first emergency care, surgery and 3, 7, 15 and 30 days of postoperative). Without epithelial defect was evaluated quality of the scar. It was used score scale for subjective to qualify of the ocular signs. In G1, it was observed the non-adherence of the conjunctival graft to the ulcer (n=2), dehiscence of the suture (n=2), anterior synechia (n=2) and intense chemosis (n=1). In G2, it was not observed these complications. It was not significant difference between the groups to others ocular parameters, but it was different among the start and end moments of the same groups (ocular secretion, corneal vascularization, epithelial defect). The corneal opacity was more intense in G1. According to the clinical results, the cryopreserved amniotic membrane implant proved to be as effective in the corneal ulceration in comparison to the 360° conjunctival flap, because probably, the membrane promoted a trophic support for epithelialization, anti-inflamatory effect associated with important to the end result phenotype.

Mapeamento geológico-geotécnico na rodovia Amparo - Morungaba (SP - 360)

The work depicts the study of geological and geotechnical characteristics presents, together with an analysis of the physical environment components and evaluation of its units, along a marginal stretch at Rodovia Amparo-Morungaba (SP-360) in order to present a geological and geotechnical map, 1:25.000 scale (one of the objectives of the work). There was also a geotechnical assessment of the present geological processes and the development of corrective measures necessary to establish safe conditions for road traffic. The method for the characterization of geological and geotechnical analysis was integrated the physical components associated with photo interpretation (another objective of this work) based on Google Earth´s air images along the referred highway. In addition, field studies were made that helped in the distribution and compartmentalization of the six geological and geotechnical units and profiles of each specific alteration were also made. The finals results present the above mentioned map, a detailed description of each of the six units and a a geotechnical assessment of the present geological processes and the development of corrective measures necessary to establish safe conditions for road traffic. Also, had success at photo interpretation based on Google Earth´s air images, obtaining stereoscopy

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