Video Experimental Relacionado
Updated: Feb 6, 2026
07:11
Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
Published on: May 25, 2020
6.9K
Goniotomía Kahook Dual-Blade combinada con facoemulsificación en pacientes con glaucoma primario de ángulo abierto:
Antônio Lucas Oliveira Correia1,2, Breno Santos Holanda1, Vital Paulino Costa2
1Hospital Geral de Fortaleza, Fortaleza, CE, Brazil.
Arquivos brasileiros de oftalmologia
|February 4, 2026
Resumen
La goniotomía Kahook Dual Blade combinada con cirugía de cataratas reduce eficazmente la presión intraocular y la necesidad de medicación en pacientes con glaucoma durante 36 meses.
Área de la Ciencia:
- Oftalmología; Innovación Quirúrgica; Manejo del Glaucoma
Sus antecedentes:
- El glaucoma requiere un tratamiento a largo plazo.; El Kahook Dual Blade (KDB) ofrece un enfoque novedoso para la goniotomía.; La mejora del control de la presión intraocular (PIO) es fundamental para los pacientes con glaucoma.
Objetivo del estudio:
- Evaluar la eficacia y seguridad a largo plazo (36 meses) de la goniotomía KDB.; Evaluar la goniotomía KDB en pacientes con glaucoma primario de ángulo abierto (GPAA) sometidos a cirugía de cataratas.; Determinar el impacto de la goniotomía KDB en la PIO y los requerimientos de medicación.
Principales métodos:
- Serie de casos retrospectiva de 56 ojos con GPAA de leve a moderado.; Facoemulsificación combinada con goniotomía KDB.; Evaluación de la PIO, el uso de gotas oftálmicas hipotensoras y las complicaciones durante 36 meses.
Principales resultados:
- La PIO media se redujo en un 14,9 % (de 15,96 a 13,14 mmHg) a los 36 meses (p<0,001).; El número medio de gotas oftálmicas disminuyó un 29,8 % (de 1,91 a 1,34) (p<0,001).; La tasa general de éxito quirúrgico fue del 69,6 % a los 36 meses.
Conclusiones:
- La goniotomía KDB combinada con la cirugía de cataratas reduce significativamente la PIO y la carga de medicación.; El procedimiento demuestra una tasa de éxito favorable y sostenida a los 36 meses.; La goniotomía KDB es una opción segura y eficaz para el manejo del GPAA de leve a moderado.
Videos de Conceptos Relacionados
01:27Open Angle Glaucoma: Treatment
1.0K
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
1.0K
01:28Angle Closure Glaucoma: Treatment
1.3K
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
1.3K
01:25Glaucoma: Overview
1.4K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.4K
01:13Contact Angle
21.1K
When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
21.1K
01:05Long-term Depression
33.3K
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
33.3K
01:13Angle of Twist: Problem Solving
797
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the torque...
797