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Posters

Comparing the effectiveness of micropulse infrared (810 nanometer) diode laser coagulation for diabetic macular edema treatemnt in period during 2010-2011 and in 2012

Poster Details

First Author: O.Plevachuk UKRAINE

Co Author(s):    T. Smal                  0   0 0   0 0   0 0   0 0

Abstract Details



Purpose:

To analyze the effectiveness of micropulse infrared (810 nanometer) diode laser coagulation for non-proliferative diabetic retinopathy and macular retinal oedema during 2010-2011 and in 2012 year

Setting:

Patients who underwent the micropulse infrared (810 nanometer) diode laser coagulation in 2010-2012. All patients were diagnosed and treated in the ophthalmology clinic “Oculus”.

Methods:

Laser coagulation of the macular region in micropulse mode. Laser coagulation (810nm) of the macular region in micropulse was applied to: 1) 74 patients aged 38 to 83 years (39 women and 35 men, 119 eyes) with non-proliferative diabetic retinopathy and macular retinal oedema with consistent laser parameters in 2012. 2) 99 patients (54 women and 45 men) (146 eyes) with non-proliferative diabetic retinopathy and macular retinal oedema during 2010-2011. All patients were under our supervision and treatment. The patient underwent complete ophthalmologic examination including visual acuity, ophthalmoscopy, optical coherent tomography (measurement of thickness of the macular and measurement of the total macular volume). Patients were followed every 3 months during 1.5 year.

Results:

55 patients (74.3%), who underwent laser coagulation in 2012 (first group), improved visual acuity for approx 1.6+/-0,02. 19 patients (25.7 %) reported subjective improvement, without an improvement of visual acuity. Similar indices during 2010-2011 were 73.5% та 26.5% respectively (second group). After 6 months, no decrease in visual acuity was noticed in the both groups. After 9 months, 3 patients (3%) in the first group and 2 patients (2.7%) in the second group noted a decrease of vision. After 12 months, 6 patients (6.1%) in the first group and 4 patients (5.4%) in the second noted the vision decrease. After 1 month, the OCT revealed a decrease of the macular thickness in all cases. The patients with stable visual acuity showed no significant difference in above mentioned parameters during next examinations after 3, 6 and 9 months. The patients who after 12 months showed a decrease in visual acuity, a thickness of the macular increase for 88,6 +/-11,3 μm (р<0,05) and a total macular volume increased for 1,3+/-0,3 mm3 (р<0,05).

Conclusions:

It was concluded that the laser coagulation (810nm) of the macular region in micropulse results in a decrease of thickness of the macular and the total macular volume. In the most cases a visual acuity increases, and the treatment effect remains from 9 to 12 months.

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