Risk Factors for Residual Vitreous Cortex at the Fovea after Posterior Vitreous Detachment during Vitrectomy in Ocular Trauma

Abstract

Purpose. To investigate the frequency and patterns of the residual vitreous cortex (RVC) at the fovea after posterior vitreous detachment (PVD) during vitrectomy after ocular trauma and the risk factors associated with its occurrence. Methods. A cross-sectional, multicenter, and observational study was conducted in 72 consecutive patients who underwent pars plana vitrectomy after ocular trauma. In patients with PVD after vitrectomy, RVC patterns were visualized using triamcinolone acetonide staining and were classified as diffuse or focal. A multivariate logistic regression analysis was performed to evaluate the association between RVC and various factors, such as the patient’s age, preoperative visual acuity, days after injury, the existence of spontaneous PVD, and the type of injury prior to vitrectomy. Results. Of the 72 eyes with trauma, 35 eyes (48.6%) showed RVC on the macula, of which 19 (54.3%) were of the diffuse type and 16 (45.7%) were of the focal type. A multivariate logistic regression analysis showed that age (OR = 0.933, P=0.025) and days after injury (OR = 0.862, P=0.013) had a significant impact on RVC. Conclusions. RVC at the fovea is very common after spontaneous or surgical PVD during vitrectomy. Younger patients are more likely to show RVC if vitrectomy is performed soon after injury.

Endoscopic Vitrectomy Combined with 3D Heads‐Up Viewing System in Treating Traumatic Ocular Injury

“…Incomplete removal of residual vitreous could result in complications like vitreous incarceration and retinal detachment [ 24 ]. The 3D heads-up visualization system provides a number of surgery-enhancing advantages such as better depth perception and the use of digital color filters.…”

Comparison of 3D Digitally Assisted Visualization System with Current Standard Visualization for the Removal of Vitreous in a Preclinical Model

“…2 Incomplete removal of residual vitreous can result in a number of complications including vitreous incarceration and retinal detachment. 9 , 10 NGENUITY color channels can improve vitreous visualization and allow surgeons to improve surgical tasks such as vitreous removal. The purpose of this preclinical study was to assess if the use of NGENUITY 3D DAVS would allow the surgeon to remove more vitreous during vitrectomy surgery compared with a standard surgical microscope.…”