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Inicio Archivos de la Sociedad Española de Oftalmología (English Edition) An ultrasound biomicroscopy study after deep sclerectomy with supraciliary impla...
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Vol. 89. Issue 11.
Pages 439-446 (November 2014)
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Vol. 89. Issue 11.
Pages 439-446 (November 2014)
Original article
An ultrasound biomicroscopy study after deep sclerectomy with supraciliary implant
Estudio mediante biomicroscopia ultrasónica de pacientes intervenidos de esclerectomía profunda no perforante con implante supraciliar
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J. Loscosa,
Corresponding author
jordiloscos4@hotmail.com

Corresponding author.
, X. Valldeperasa, A. Pareraa, K. Langohrb, J. de la Cámaraa, M. Domingoa, J. Castellvia, A. Sabalaa
a Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
b Departamento de Estadistica e Investigació, Universitat Politécnica de Catalunya
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Tables (5)
Table 1. Sample characteristics and results.
Table 2. Bleb and supraciliary space studied by ultrasound biomicroscopy.
Table 3. Numerical variables studied by ultrasound biomicroscopy.
Table 4. Numerical variables studied by ultrasound biomicroscopy and their correlation with intraocular pressure.
Table 5. Relation between the numerical variables studied by ultrasound biomicroscopy and the patients with/without treatment.
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Abstract
Objective

To evaluate patients 24 months after deep sclerectomy (DE) with supraciliary implant, and identify any predictive success factors by examination with ultrasound biomicroscopy (UBM).

Materials and methods

This study included 26 eyes of 23 patients evaluated by UBM 24 months after a deep sclerectomy with a supraciliary hema implant.

Results

There was a significant reduction in intraocular pressure (IOP), changing from a preoperative mean of 25.6±6.4mmHg to a postoperative mean of 16.2±3.4mmHg (p<0.001). The number of preoperative glaucoma medications also decreased from 2.5±0.6 drugs per patient to 0.5±0.5 (p<0.001). No change was observed in the best-corrected visual acuity. The anatomical characteristics of the surgical area and its relationship with IOP were examined using UBM. There was no correlation between the level of IOP at the time of UBM and the horizontal (r=−0.05: p=0.71) and vertical diameter (r=−0.1; p=0.63), the height (r=0.28; p=0.25) and the volume of intrascleral space (r=−0.08; p=0.79), the thickness (r=−0.07; p=0.73) and the length (r=0.39; p=0.13) of trabeculo-Descemet's membrane (TDM), the presence of filtering bleb (p=0.30) and the hypoechoic area in the supraciliary space (p=0.24).

Conclusions

The insertion of a hema implant in the supraciliary space is an effective and safe surgery for patients with open angle glaucoma (OAG). No predictive success factors for supraciliary implant were found using the UBM study.

Keywords:
Glaucoma
Deep sclerectomy
Supraciliar implant
Ultrasound biomicroscopy
Resumen
Objetivo

Evaluar a pacientes 24 meses después de ser intervenidos mediante esclerectomía profunda no perforante (EPNP) con implante supraciliar y determinar la existencia de factores predictivos de la eficacia de la técnica mediante la exploración biomicroscópica (BMU).

Material y métodos

Se incluyen 26 ojos de 23 pacientes explorados con UBM 24 meses después de ser intervenidos mediante EPNP con implante de hema supraciliar.

Resultados

Se ha encontrado un descenso significativo de la presión intraocular (PIO) de 25,6±6,4mmHg a 16,2±3,4mmHg y en el número de medicaciones antiglaucomatosas de 2,5±0,6 por paciente a 0,5±0,5 (p<0,001). No se evidenciaron cambios significativos en la agudeza visual. Mediante BMU no se ha podido correlacionar la PIO con el diámetro horizontal (r=−0,05; p=0,71) ni vertical (r=−0,1; p=0,63) del lago intraescleral, su altura (r=0,28; p=0,25) ni volumen (r=−0,08; p=0,79), el grosor de la MBTD (r=−0,07; p=0,73) ni su longitud (r=0,39; p=0,13), la presencia de ampolla filtrante (p=0,3) ni de un área hipogénica en el espacio supracoroideo (p=0,2).

Conclusiones

La inserción del implante de hema en el espacio supraciliar durante la cirugía no perforante del glaucoma es segura y efectiva en el glaucoma de ángulo abierto (GAA) pero no hemos podido establecer factores.

Palabras clave:
Glaucoma
Esclerectomía profunda no perforante
Implante supraciliar
Biomicroscopia ultrasónica

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