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1.
Journal of the Korean Ophthalmological Society ; : 1360-1364, 1996.
Artigo em Coreano | WPRIM | ID: wpr-42608

RESUMO

To investigate retinal hemodynamics in branch retinal vein occlusion(BRVO), we measured retinal circulation times using scanning laser ophthalmoscope(SLO) and studied the relationships with clinical findings. Arm-retina time(ART) and arteriovenous passage time(AVP) were measured in 35 eyes of 35 patients. Mean ART was 13.05 sec. ART showed no difference with sex and systemic diseases, but increased withage. AVP of occluded branch was much longer than those of other branches. AVP was delayed according to the size of capillary nonperfusion area, but showed no difference according to the duration of disease and macular edema. These results suggest that SLO is an useful method for studying retinal hemodynamics in BRVO.


Assuntos
Humanos , Capilares , Hemodinâmica , Edema Macular , Oftalmoscópios , Oclusão da Veia Retiniana , Veia Retiniana , Retinaldeído
2.
Korean Journal of Ophthalmology ; : 107-110, 1995.
Artigo em Inglês | WPRIM | ID: wpr-92424

RESUMO

To investigate the retinal hemodynamics in branch retinal vein occlusion (BRVO), we measured retinal circulation times using scanning laser ophthalmoscope (SLO) and studied their relationships with clinical findings. Arm-retina time (ART) and arteriovenous passage time (AVP) were measured in 30 eyes of 30 patients. Mean ART was 13.07 seconds. ART showed no difference in relation to sex and systemic diseases, but increased with age. Mean AVPs were 3.00 sec. and 3.39 sec. in superotemporal and inferotemporal BRVO, respectively. AVPs were delayed significantly in occluded branch of retinal veins. AVP was delayed three-fold when the area of capillary nonperfusion was over 6 disc area, but showed no difference according to the duration of disease or macular edema. These results suggest that SLO may be a useful tool for studying retinal hemodynamics in BRVO.


Assuntos
Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Circulação Sanguínea , Lasers , Oftalmoscópios , Fluxo Sanguíneo Regional , Oclusão da Veia Retiniana/complicações , Vasos Retinianos/fisiologia
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