Comparison of outcome parameters of vitrectomy 23 gauge versus 20 gauge in patients with epiretinal membrane and macular hole

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00004534

Enrollment

120

Registered

2012-11-08

Start date

2012-08-10

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

H35.3

Interventions

Group 1: vitrectomy 20 gauge Group 2: vitrectomy 23 gauge

Eligibility

Sex/Gender

All

Age

20 Years to 120 Years

Inclusion criteria

Inclusion criteria: macular disorders (epiretinal membrane and macular hole), which have been operated with either vitrectomy 20 gauge or vitrectomy 23 gauge (retrospective)

Exclusion criteria

Exclusion criteria: all other indications for vitrectomy, status after perforating keratoplasty, retinal detachment, proliferative vitreoretinal disorders, ocular lymphoma

Design outcomes

Primary

Measure	Time frame
rate of intra- and postoperative complications with respect to both indications and 4 surgeons, and the best corrected visual acuity (decimal visual acuity measured in 5 m)	—

Secondary

Measure	Time frame
multivariate model/ Cox analysis of factors that might influence the operative outcome, such as age of the patient, intraoperative findings, indication, surgeon.	—

Countries

Germany

Contacts

Public ContactAmelie Pielen

Universitäts-Augenklinik Freiburg

amelie.pielen@uniklinik-freiburg.de0761-270-40010

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026