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Structural Analysis of Different Incision Sizes and Stromal Hydration in Cataract Surgery Using Anterior Segment Optical Coherence Tomography
Korean Journal of Ophthalmology ; : 23-30, 2015.
Artículo en Inglés | WPRIM | ID: wpr-65420
ABSTRACT

PURPOSE:

To analyze healing changes of corneal wounds of different corneal incision sizes with or without stromal hydration in cataract surgery using anterior segment optical coherence tomography.

METHODS:

Cataract surgeries were performed by a single surgeon and 2.2- and 2.8-mm corneal incisions were made using a diamond blade (ME-759; Meyco, Biel-Bienne, Swiss). Patients were divided into four groups according to incision size (2.2 and 2.8 mm), and with/without stromal hydration. Fifteen eyes were assigned to each group and incision wounds were measured using anterior segment optical coherence tomography at 2 hours, 1 day, 1 week, 1 month, and 3 months postoperatively. Corneal thickness, incision length and incision angle were measured and existence of epithelial, endothelial gaping and Descemet's membrane detachment was evaluated.

RESULTS:

Incision thickness was greater in the group with stromal hydration than in the group without on operation day (p < 0.05). Stromal hydration exerted greater influence in the 2.2-mm incision group than in the 2.8-mm incision group. Corneal thickness decreased more rapidly in the stromal hydration group than in the group with no hydration (p = 0.022). Endothelial gaping was greater in the 2.2-mm incision group than in the 2.8-mm incision group 1 day, 1 month, and 3 months after surgery (p = 0.035, p = 0.009, and p = 0.008, respectively). No other statistical significance was observed between the two groups (2.2 and 2.8 mm) during follow-up regarding corneal thickness, epithelial gaping and Descemet's membrane detachment.

CONCLUSIONS:

Corneal wounds with a smaller incision could be more vulnerable to external stimuli such as stromal hydration and are less stable than those with a larger incision.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Dehiscencia de la Herida Operatoria / Cicatrización de Heridas / Extracción de Catarata / Sustancia Propia / Tomografía de Coherencia Óptica / Segmento Anterior del Ojo Límite: Anciano / Femenino / Humanos / Masculino Idioma: Inglés Revista: Korean Journal of Ophthalmology Año: 2015 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Dehiscencia de la Herida Operatoria / Cicatrización de Heridas / Extracción de Catarata / Sustancia Propia / Tomografía de Coherencia Óptica / Segmento Anterior del Ojo Límite: Anciano / Femenino / Humanos / Masculino Idioma: Inglés Revista: Korean Journal of Ophthalmology Año: 2015 Tipo del documento: Artículo