proliferative diabetic retinopathy
Conditions
Interventions
combine:anterior-posterior combined surgery
control group :anterior-posterior noncombined surgery
Sponsors
The Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: There were definite PDR patients with vitreous hemorrhage (stage 4-6 of sugar reticulum). Secondly, patients with moderate diabetic cataract had indications of cataract surgery but did not affect conventional vitrectomy. Thirdly, patients had not received whole retina laser photocoagulation and cataract surgery before vitrectomy, and had received anti-vascular endothelial growth factor (VEGF) treatment before vitrectomy. Follow-up examination should be conducted at least once after operation, and the follow-up time was more than 3 months.
Exclusion criteria
Exclusion criteria: (1) Vitreous hemorrhage and optic neuropathy caused by other diseases, such as retinitis pigmentosa, glaucomatous optic neuropathy, optic neuritis, etc. (2) history of intraocular surgery or previous treatment for vitreous hemorrhage; (3) patients in non-combined surgery group who did not undergo secondary cataract surgery for various reasons; (4) patients with acute infection of external eyes; (5) uncontrollable hyperemia; Blood pressure (systolic pressure > 180 mmHg, diastolic pressure > 110 mmHg); _history of cardiovascular and cerebrovascular accident, abnormal coagulation function or long-term use of anticoagulants, systemic multiple organ failure.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| vision ability; | — |
Secondary
| Measure | Time frame |
|---|---|
| iop;Operation duration; | — |
Countries
China
Contacts
Public ContactRonghan Wu
The Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University
Outcome results
None listed