Efficacy of Higher Cutting Rate in Microincision Vitrectomy for Proliferative Diabetic Retinopathy

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02464800

Enrollment

326

Registered

2015-06-08

Start date

2007-04-30

Completion date

2015-03-31

Last updated

2015-06-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Proliferative Diabetic Retinopathy

Keywords

diabetic retinopathy

Brief summary

The medical records of 393 eyes of 326 patients with severe proliferative diabetic retinopathy were reviewed. Higher cutting rate instruments (5000 cut per minute) were used in 174 eyes and conventional instruments in 219 eyes (2500 cut per minute). The visual outcome and incidences of intraoperative and postoperative complications were compared.

Interventions

PROCEDUREVitrectomy for proliferative diabetic retinopathy

25-gauge vitrectomy

Study design

Observational model

CASE_CONTROL

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

20 Years to 90 Years

Healthy volunteers

Inclusion criteria

* The inclusion criteria were patients who had persistent vitreous hemorrhage, fibrovascular proliferation affecting the macula, or tractional RD and who had a follow-up for more than 6 months.

Exclusion criteria

* The eyes with follow-up less than 6 months

Design outcomes

Primary

Measure	Time frame
Visual acuity	6 months

Secondary

Measure	Time frame
Retinal reattachment	6 months

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026