A Change in Ocular Circulation after Photocoagulation for Retinopathy of Prematurity in a Neonate
نویسندگان
چکیده
BACKGROUND The dilation of veins and tortuosity of arteries that occur in retinopathy of prematurity (ROP) are improved by therapy, and thus posttherapy changes in ocular circulation are also conceivable. We report a case of ROP in which we were able to measure the ocular circulation before and after photocoagulation therapy, using a laser speckle flowgraphy (LSFG) system that is modified for neonates. CASE REPORT A female infant was born at 25 weeks' gestation with a birth weight of 808 g. We performed photocoagulation in both eyes at age 15 weeks, and we measured the ocular circulation with the "LSFG-baby" system before and at 12 weeks after the photocoagulation treatment. We also measured the mean blur rate (MBR) in the optic nerve head (ONH) and the relative flow volume (RFV) in the retinal vessels, and we examined the change rates from before to after treatment. The changing rate of the MBR-A (the mean of all values) in the ONH in the right and left eyes was 76.5 and 98.5%, respectively. The vascular RFV in the severe dilation and tortuosity quadrant also tended to decrease. CONCLUSIONS Photocoagulation improved the dilation of veins and tortuosity of arteries and reduced the ocular blood flow in this neonate with ROP. The LSFG-baby system effectively and directly revealed the optic nerve and retinal blood vessels.
منابع مشابه
Transpupillary Diode Laser Retinal Photocoagulation for the Treatment of Retinopathy of Prematurity: Experience in Southern Iran
متن کامل
Myopia, visual acuity and strabismus in the long term following treatment of retinopathy of prematurity.
The purpose of this retrospective study is to evaluate the long-term ophthalmological outcome in children with retinopathy of prematurity (ROP) who were treated for threshold disease with indirect laser photocoagulation. 107 eyes of 56 patients with threshold ROP treated with indirect laser photocoagulation and 202 eyes of 101 control patients with spontaneously regressed ROP were included. Fix...
متن کاملComparison of treatment results for retinopathy of prematurity by diode laser photocoagulation and cryotherapy – four years of observation
Background: The aim of the study was to compare functional and structural outcomes of treatment for retinopathy of prematurity with diode laser photocoagulation and cryotherapy. Materials and methods: We examined 111 children aged 4 years, treated for retinopathy of prematurity by transpupillary diode laser photocoagulation or cryotherapy. Both functional (visual acuity, orthoptic status) and s...
متن کاملThe Incidence Rate of Retinopathy of Prematurity and Related Risk Factors: a Study on premature neonates hospitalized in two hospitals in Sari, Iran, 2014-2015
Background & Aims: Retinopathy OF prematurity (ROP) is a developmental disorder of retinal vessels in premature neonates. In recent years, because of advances in the care of neonates hospitalized in equipped Intensive care units, retinopathy of prematurity has become a major cause of blindness in those who are survived. This study assessed the incidence and severity of retinopathy and related r...
متن کاملVitreous changes after treatment of retinopathy of prematurity.
PURPOSE To investigate the vitreous findings in patients with cicatricial retinopathy of prematurity (ROP) who underwent retinal cryopexy and/or photocoagulation during the acute phase of the disease. METHODS Vitreous findings were evaluated in 15 patients (29 eyes) with cicatricial ROP by slit-lamp biomicroscopy and indirect ophthalmoscopy. RESULTS The ocular examination revealed that all ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره 8 شماره
صفحات -
تاریخ انتشار 2017