ABSTRACT
@#AIM: To investigate the clinical effect of 23G transconjunctival sutureless vitrectomy(23G TSV)in the treatment of idiopathic macular hole. <p>METHODS: Totally 80 cases with macular hole treated in ophthalmology department of our hospital from January 2013 to June 2015 were selected as the research objects, in which 40 cases were treated with 23G TSV after admission, the other 40 cases were treated with 20G vitrectomy. The surgery time, length of hospital stay, changes of visual acuity, macular hole closure, macular thickness and complications were observed in two groups. <p>RESULTS: The surgery time, length of hospital stay and the complication rate of observation group were less than those of control group with significant difference(<i>P</i><0.05). The corrected visual acuity was significantly improved in both groups at 3, 6, 12mo after operations compared to before operations, but no significant difference were found between the two groups(<i>P</i>>0.05). Macular hole closure rate of observation group was 98%(39/40), that of control group was 95%(38/40), there was no significant difference between the two groups(<i>χ</i>2=0.346, <i>P</i>=0.553). The macular thickness significantly decreased in both groups at 3, 6, 12mo after operations compared to before operations, but no significant difference were found between the two groups(<i>P</i>>0.05).<p>CONCLUSION: 23G TSV is effective in the treatment of idiopathic macular hole with low complication rate, which is beneficial to improve the postoperative visual acuity and improve the prognosis.
ABSTRACT
AIM:To analyze curative effect of laser treatment for diabetic retinopathy (DR).METHODS:A total of 100 patients (136 eyes) with DR who were admitted to our hospital during January 2015 to December 2016 were enrolled in the study.All patients were given 532nm laser treatment.Changes of visual acuity and the incidence of complications were statistically analyzed after treatment, and the macula central fovea retinal thickness and hemodynamic changes of affected eyes were compared before and after treatment.The effects of laser treatment were compared among patients with different types of diabetes, patients in different DR stages and patients with different glycosylated hemoglobin (HbAlc) levels.RESULTS:After treatment, the macula central fovea retinal thickness, end diastolic velocity (EDV), pulsatility index (PI) and central retinal artery (CRA), mean flow velocity (Vm) significantly decreased (P<0.05).After treatment, there were 2 cases (2 eyes) of bleeding and 2 cases (2 eyes) of tractional retinal detachment.The effective improvement rate of visual acuity was 83.1%.There were significant differences in the improvement rate of visual acuity among patients with different types of diabetes [type 1 (60.0%) vs type 2 (84.9%)], patients in different DR stages [preproliferative diabetic retinopathy (NPDR) 92.3%, early proliferative stage (PDR) 85.1%, high-risk PDR 54.2%] and patients with different HbAlc levels (< 8% 91.8% vs ≥8% 73.0%) (P<0.05).CONCLUSION:The 532nm laser treatment is effective for DR.It can significantly improve the retinal hemodynamics and visual acuity and relieve macular edema.Types of diabetes mellitus, stages of DR and blood glucose control effect may affect the effects of laser treatment.