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Effects of C3 F8 or silicon oil tamponade on postoperative vitreous hemorrhage and visual prognosis after vitrectomy for proliferative diabetic retinopathy / 中华眼底病杂志
Chinese Journal of Ocular Fundus Diseases ; (6): 333-336, 2015.
Article in Chinese | WPRIM | ID: wpr-477840
ABSTRACT
Objective To compare the effects of intravitreal tamponade of C3 F8 with silicon oil on postoperative vitreous hemorrhage and visual prognosis after vitrectomy for proliferative diabetic retinopathy (PDR).Methods The clinical data of 121 patients (127 eyes)who underwent primary vitrectomy due to PDR were analyzed retrospectively.All the patients were divided into two groups according to different intravitreal tamponade, including C3 F8 tamponade group (53 patients with 56 eyes ) and silicone oil tamponade group (68 patients with 71 eyes).There was no difference of gender (χ2 = 0.956 ),age (t =1.122),duratiion of diabetes (t=0.627),fasting blood glucose (t=1.049),systolic pressure (t=1.056), diastolic pressure (t = 0.5 1 7 ), history of hypertension (χ2 = 0.356 ), nephropathy (χ2 = 1.242 ), preoperative laser photocoagulation (χ2 = 1.225 )and All the patients underwent three port pars plana vitrectomy.The mean follow-up was 2 years ranging from 6 months to 4 years.And then the incidence and onset time of postoperative vitreous hemorrhage and postoperative BCVA of the two groups were compared. Results Postoperative vitreous hemorrhage occurred in 14 of 56 eyes (25.00%)in C3 F8 tamponade group. The average onset time of postoperative vitreous hemorrhage were (64.64 ± 59.09)days ranging from 7 -225 days and mostly were within 30-60 days (35.71%,5/14).Postoperative vitreous hemorrhage also occurred in 7 of 71 eyes (9.89%)of silicone oil tamponade group after silicone oil removal with an average onset time of (25.29±20.46)days ranging from 3-65 days and were mostly within 1 5-30 days (42.86%, 3/7).There was a significant difference in the incidence of postoperative vitreous hemorrhage between the two groups (χ2 = 5.200,P <0.05 ).BCVA of the two groups was improved significantly after operation (Z =2.472,3.1 14;P <0.05).Postoperative BCVA of silicone oil tamponade group was poorer than C3 F8 tamponade group (Z =1.968,P <0.05).Conclusion Both C3 F8 and silicone oil tamponade can improve the visual acuity after vitrectomy for PDR.Compared with C3 F8 ,silicone oil tamponade had lower incidence and late onset of postoperative vitreous hemorrhage after vitrectomy for PDR.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Ocular Fundus Diseases Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Ocular Fundus Diseases Year: 2015 Type: Article