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[Effect of argon laser photocoagulation on diabetic retinopathy].
Di Yi Jun Yi Da Xue Xue Bao. 2004 Nov; 24(11):1313-5.DY

Abstract

OBJECTIVE

To observe the clinical effect of argon laser photocoagulation on diabetic retinopathy (DR) in different stages.

METHODS

A total of 263 eyes in 170 patients with DR in different stages were photocoagulated using argon laser machine 2000. Thirty eyes in non-proliferative stage received focal photocoagulation, 156 pre-proliferative eyes received subtotal panretina photocoagulation, and 77 proliferative eyes were treated with panretinal photocoagulation. Additional focal or grid treatment was given for the eyes with localized or diffused macular edema. The visual acuity, eye fundus examination and retinal fluorescein angiography were carried out 3 months after the treatment and the results compared with the preoperative findings.

RESULTS

Improvement of visual acuity by at least one row on the visual chart was achieved in 92 eyes (35%), 144 eyes (55%) exhibited no changes, and 27 eyes (10%) deteriorated. Microaneurysm, retinal edema, exudates and fluorescence leakage were reduced in 89% of the eyes, with the rest eyes requiring additional treatment in the non-proliferative and pre-proliferative stages. For the retina in proliferative stage, neovascularization on the disc resolved completely in 67% eyes, whereas partially in 33% eyes which needed additional photocoagulation. The eyes with partial and complete resolution of macular edema accounted for 91% of the total eyes. Postoperative pre-retinal hemorrhage and vitreous hemorrhage occurred at the rates of 8% and 1%, respectively.

CONCLUSION

Argon laser therapy is effective for the eyes with DR in different stages, but produces better efficacy in non- and pre-proliferative stages than in proliferative stage. Follow-up and additional photocoagulation are necessary for the eyes in proliferative stage to ensure better outcome.

Authors+Show Affiliations

Wei ZY
Detartment of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China. Huandwei@fimmu.com
Hu SX
No affiliation info available
Tang N
No affiliation info available
Wu J
No affiliation info available
Wang J
No affiliation info available

MeSH

AdultAgedDiabetes Mellitus, Type 2Diabetic RetinopathyFemaleHumansLaser CoagulationMaleMiddle AgedRetinaTreatment OutcomeVisual Acuity

Pub Type(s)

English Abstract
Journal Article

Language

chi

PubMed ID

15567792

Citation

Wei, Zhan-yun, et al. "[Effect of Argon Laser Photocoagulation On Diabetic Retinopathy]." Di 1 Jun Yi Da Xue Xue Bao = Academic Journal of the First Medical College of PLA, vol. 24, no. 11, 2004, pp. 1313-5.
Wei ZY, Hu SX, Tang N, et al. [Effect of argon laser photocoagulation on diabetic retinopathy]. Di Yi Jun Yi Da Xue Xue Bao. 2004;24(11):1313-5.
Wei, Z. Y., Hu, S. X., Tang, N., Wu, J., & Wang, J. (2004). [Effect of argon laser photocoagulation on diabetic retinopathy]. Di 1 Jun Yi Da Xue Xue Bao = Academic Journal of the First Medical College of PLA, 24(11), 1313-5.
Wei ZY, et al. [Effect of Argon Laser Photocoagulation On Diabetic Retinopathy]. Di Yi Jun Yi Da Xue Xue Bao. 2004;24(11):1313-5. PubMed PMID: 15567792.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Effect of argon laser photocoagulation on diabetic retinopathy]. AU - Wei,Zhan-yun, AU - Hu,Shi-xing, AU - Tang,Na, AU - Wu,Jing, AU - Wang,Jie, PY - 2004/11/30/pubmed PY - 2007/5/10/medline PY - 2004/11/30/entrez SP - 1313 EP - 5 JF - Di 1 jun yi da xue xue bao = Academic journal of the first medical college of PLA JO - Di Yi Jun Yi Da Xue Xue Bao VL - 24 IS - 11 N2 - OBJECTIVE: To observe the clinical effect of argon laser photocoagulation on diabetic retinopathy (DR) in different stages. METHODS: A total of 263 eyes in 170 patients with DR in different stages were photocoagulated using argon laser machine 2000. Thirty eyes in non-proliferative stage received focal photocoagulation, 156 pre-proliferative eyes received subtotal panretina photocoagulation, and 77 proliferative eyes were treated with panretinal photocoagulation. Additional focal or grid treatment was given for the eyes with localized or diffused macular edema. The visual acuity, eye fundus examination and retinal fluorescein angiography were carried out 3 months after the treatment and the results compared with the preoperative findings. RESULTS: Improvement of visual acuity by at least one row on the visual chart was achieved in 92 eyes (35%), 144 eyes (55%) exhibited no changes, and 27 eyes (10%) deteriorated. Microaneurysm, retinal edema, exudates and fluorescence leakage were reduced in 89% of the eyes, with the rest eyes requiring additional treatment in the non-proliferative and pre-proliferative stages. For the retina in proliferative stage, neovascularization on the disc resolved completely in 67% eyes, whereas partially in 33% eyes which needed additional photocoagulation. The eyes with partial and complete resolution of macular edema accounted for 91% of the total eyes. Postoperative pre-retinal hemorrhage and vitreous hemorrhage occurred at the rates of 8% and 1%, respectively. CONCLUSION: Argon laser therapy is effective for the eyes with DR in different stages, but produces better efficacy in non- and pre-proliferative stages than in proliferative stage. Follow-up and additional photocoagulation are necessary for the eyes in proliferative stage to ensure better outcome. SN - 1000-2588 UR - https://www.unboundmedicine.com/medline/citation/15567792/[Effect_of_argon_laser_photocoagulation_on_diabetic_retinopathy]_ DB - PRIME DP - Unbound Medicine ER -