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Scleral Self-indentation Chandelier-assisted Peripheral Vitrectomy Under Air Rhegmatogenous Retinal Detachment.

Scleral Self-indentation During Chandelier-assisted Peripheral Vitrectomy Under Air for Rhegmatogenous Retinal Detachment: A Retrospective Cohort Study.

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03218371
Enrollment
130
Registered
2017-07-14
Start date
2013-10-31
Completion date
2017-04-30
Last updated
2017-07-14

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

Conditions

Retinal Detachment

Keywords

scleral indentation, chandelier light, air vitrectomy, rhegmatogenous retinal detachment

Brief summary

The investigators compared the incidence of trimming-induced retinal breaks, retinal redetachment rate, and final LogMAR BCVA; between scleral self-indentation and non-indentation during chandelier-assisted peripheral vitrectomy under air for eyes with primary retinal detachment. Self-indentation enables complete trimming of the vitreous base without causing iatrogenic retinal breaks, with a higher retinal reattachment rate, and with less need for chandelier shift than with non-indentation approach.

Detailed description

Retrospective cohort study. One hundred and thirty eyes of 130 participants with primary rhegmatogenous retinal detachment were identified. All the participants had undergone a chandelier-assisted peripheral vitrectomy under air. Scleral self-indentation had been used in 68 eyes (study group) (Indentation group), while non-indentation had been used in 62 eyes (comparison group) (Non-indentation group). Outcome variables included: Trimming-induced retinal breaks (TIRB), retinal redetachment rate, final LogMAR BCVA, and intraoperative complications.

Interventions

PROCEDUREchandelier-assisted peripheral vitrectomy under air

chandelier-assisted peripheral vitrectomy under air for management of peripheral vitreous during RD vitrectomy; whether using indentation or non-indentation

Sponsors

Dar El Oyoun Hospital
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
16 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

\- RRD with postoperative follow up \> 3 months, without PVR, or with PVR A-B

Exclusion criteria

* RRD with less than 3 months of postoperative follow-up, * RRD with proliferative vitreoretinopathy grade C (PVR C), * RRD with uveitis, * RRD with choroidal detachment, * Giant retinal tears, * Retinal dialysis, * Myopic macular hole RRD, * Traumatic RD, * Children \< 16 years old, * The later vitrectomy (if vitrectomy had been performed for RRD in both eyes)

Design outcomes

Primary

MeasureTime frameDescription
Trimming-induced retinal breaks (TIRB) (yes/ No)intraoperativenumber of eyes with iatrogenic retinal breaks along vitreous base during vitreous base trimming

Secondary

MeasureTime frameDescription
retinal redetachment rate (yes/no)within 3 monthsnumber of eyes in which recurrent retinal detachment occurred
final LogMAR BCVAfinal follow-up visit ( at least 3 months)best spectacle corrected visual acuity measured by decimal charts then converted to LogMAR
number of Trimming-induced retinal breaks (TIRB)intraoperativenumber of iatrogenic retinal breaks along vitreous base during vitreous base trimming
Chandelier shift (yes/no)intraoperativethe need to shift position of chandelier light
Local anaesthesia augmentation (yes/no)intraoperativethe need for augmenting local anesthesia for the participant to tolerate indentation
snellen BCVA > 20/100 (yes/ no)3 monthsnumber of eyes with best corrected visual acuity better than snellen's 20/100 measured by snellen's chart

Countries

Egypt

Outcome results

None listed

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