Macular laser photocoagulation guided by spectral-domain optical coherence tomography versus fluorescein angiography for diabetic macular edema
Roberto Gallego-Pinazo1,2, Ana Marina Suelves-Cogollos1, Rosa Dolz-Marco1, J Fernando Arevalo3, Salvador García-Delpech1, J Luis Mullor4, Manuel Díaz-Llopis1,2,51Department of Ophthalmology, Hospital Universitario La Fe, Valencia, Spain; 2Centro de Investigaci&o...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2011
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| Acceso en línea: | https://doaj.org/article/6a4ee7a14825462f9f4a4b9c39ec68fa |
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| Sumario: | Roberto Gallego-Pinazo1,2, Ana Marina Suelves-Cogollos1, Rosa Dolz-Marco1, J Fernando Arevalo3, Salvador García-Delpech1, J Luis Mullor4, Manuel Díaz-Llopis1,2,51Department of Ophthalmology, Hospital Universitario La Fe, Valencia, Spain; 2Centro de Investigación Biomédica en Red de Enfermedades Raras, Valencia, Spain; 3Retina and Vitreous Service, Clinical Ophthalmology Center, Caracas, Venezuela; 4Unit of Experimental Ophthalmology, Hospital Universitario La Fe, Valencia, Spain; 5University of Valencia, Faculty of Medicine, Valencia, SpainBackground: The aim of this study was to compare the efficacy of spectral-domain optical coherence tomography (SD-OCT) and fluorescein angiography (FA) in the guidance of macular laser photocoagulation for diabetic macular edema.Methods: This was a prospective interventional clinical comparative pilot study. Forty eyes from 24 consecutive patients with diabetic macular edema were allocated to receive laser photocoagulation guided by SD-OCT or FA. Best-corrected visual acuity (BCVA), central macular thickness, and retinal volume were assessed at baseline and two months after treatment.Results: Subjects treated using FA-guided laser improved BCVA from the logarithm of the minimum angle of resolution (logMAR) 0.52 ± 0.2 to 0.37 ± 0.2 (P < 0.001), and decreased mean central macular thickness from 397.25 ± 139.1 to 333.50 ± 105.7 µm (P < 0.001) and retinal volume from 12.61 ± 1.6 to 10.94 ± 1.4 mm3 (P < 0.001). Subjects treated using SD-OCT guided laser had improved BCVA from 0.48 ± 0.2 to 0.33 ± 0.2 logMAR (P < 0.001), and decreased mean central macular thickness from 425.90 ± 149.6 to 353.4 ± 140 µm (P < 0.001) and retinal volume from 12.38 ± 2.1 to 11.53 ± 1.1 mm3 (P < 0.001). No significant differences between the groups were found in two-month BCVA (P = 0.505), two-month central macular thickness (P = 0.660), or two-month retinal volume (P = 0.582).Conclusion: The short-term results of this pilot study suggest that SD-OCT is a safe and effective technique and could be considered as a valid alternative to FA in the guidance of macular laser photocoagulation treatment for diabetic macular edema.Keywords: spectral-domain optical coherence tomography, fluorescein angiography, macular laser photocoagulation, diabetic macular edema |
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