Abstract
PurposeTo evaluate the clinical efficiency, safety and painfulness of retinal laser photocoagulation employing a pattern scanning laser system Pascal given in a single-session versus conventional laser multiple-session treatment of the same patient with diabetic retinopathy during 12-month follow-up.MethodsThe cohort included 60 eyes in 30 patients treated at the Ophthalmology Clinic, Faculty Hospital Ostrava, from 2008 to 2013. Panretinal laser coagulation was performed on one eye using the multispot panretinal photocoagulation given in a single-session system Pascal (OptiMedica, Santa Clara, California). On the other eye laser treatment was carried out by the classic conventional multiple-session method.ResultsThe performance of Pascal panretinal laser coagulation was evaluated as significantly less painful (visual scale of pain was 3.28 ± 1.9) than the performance of conventional photocoagulation (visual scale of pain was 3.93 ± 1.88) with similar efficiency. Distribution of progression of diabetic retinopathy in individual patients was very similar in both groups under comparison, and was strictly paired in 24 of the 30 patients at the end of 1-year follow-up.ConclusionLaser photocoagulation of the retina with the use of short impulse durations and patterns in patients with diabetic retinopathy given in one session possesses similar efficiency to that of conventional retinal photocoagulation in multiple sessions. The single session treatment is also better tolerated by patients and in addition to this, it shortens the performance of the whole therapy, which potentially saves considerable funds of all subjects participating in the process of treatment.Trial registrationClinicalTrials.gov NCT03672656.
Highlights
Photocoagulation of the retina by laser has been one of the traditional therapeutic techniques employed in ophthalmology since the mid-20th century
Distribution of progression of diabetic retinopathy in individual patients was very similar in both groups under comparison, and was strictly paired in 24 of the 30 patients at the end of 1-year follow-up
Laser photocoagulation of the retina with the use of short impulse durations and patterns in patients with diabetic retinopathy given in one session possesses similar efficiency to that of conventional retinal photocoagulation in multiple sessions
Summary
Photocoagulation of the retina by laser has been one of the traditional therapeutic techniques employed in ophthalmology since the mid-20th century. The most frequent application of laser photocoagulation of the retina both in the past and today has been the treatment of vascular diseases of the retina–diabetic retinopathies The protocol from both the Diabetic Retinopathy Study (DRS) and the Early Treatment Diabetic Retinopathy Study (ETDRS) has been considered the standard technique for the performance of laser photocoagulation of the retina till now. The protocol from both the Diabetic Retinopathy Study (DRS) and the Early Treatment Diabetic Retinopathy Study (ETDRS) has been considered the standard technique for the performance of laser photocoagulation of the retina till This protocol was based on the technical preconditions of available laser systems, and its efficiency was supported by therapeutic results and the afore-mentioned randomized studies [1, 2]. No reliable data are available concerning either the short-term or long-term efficiency of treatments performed in this way, and the safety, clinical efficiency and painfulness of these treatments
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