Outcomes of Pars Plana Vitrectomy Alone versus Combined Scleral Buckling plus Pars Plana Vitrectomy for Primary Retinal Detachment

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Abstract

Purpose: We compared the outcomes of primary uncomplicated rhegmatogenous retinal detachment (RRD) repair using pars plana vitrectomy (PPV) alone versus combined scleral buckling plus PPV (SB+PPV). Design: Retrospective, observational study. Participants: Patients with primary RRD who underwent PPV or SB+PPV from June 1, 2014, through December 31, 2017. Methods: We performed a single-institution, retrospective, observational study of 488 consecutive patients with primary RRD repaired via PPV alone or SB+PPV and gas tamponade. We excluded patients younger than 18 years and those with advanced proliferative vitreoretinopathy, giant retinal tear, trauma, or secondary forms of RRD. We performed logistic regression and Cox proportional hazard regression analyses to identify potential risk factors associated with a retinal redetachment. Main Outcome Measures: Single-operation anatomic success (SOAS), defined as adequate retinal reattachment achieved with only 1 procedure. Results: The mean follow-up interval was 14.3 months. Single-operation anatomic success and final anatomic success were achieved in 425 eyes (87.1%) and 487 eyes (99.8%), respectively. Single-operation anatomic success was achieved in 90 of 111 eyes (81.1%) with PPV alone compared with 345 of 374 eyes (92.2%) with SB+PPV (P = 0.0010). Scleral buckling plus PPV showed greater SOAS than PPV alone in phakic eyes (P < 0.0001), but not in eyes with a posterior chamber intraocular lens (PCIOL). Retinal redetachments occurred on average at 1.5 and 9 months after the initial surgery. Significant best-corrected visual acuity improvement was associated with SOAS (P < 0.0001). Conclusions: Scleral buckling plus PPV resulted in greater SOAS outcomes than PPV alone for primary RRD repair. Phakic eyes achieved greater surgical success with SB+PPV, whereas eyes with a PCIOL achieved similar results with both methods. Most retinal redetachments occurred within the initial postoperative 3-month period. Single-operation anatomic success was associated with statistically significant visual improvement.

Original languageEnglish (US)
JournalOphthalmology Retina
DOIs
StateAccepted/In press - 2020

Keywords

  • Pars plana vitrectomy
  • Retinal redetachment
  • Rhegmatogenous retinal detachment
  • Scleral buckling
  • Single-operation anatomic success

ASJC Scopus subject areas

  • Ophthalmology

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