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Background  Proliferative vitreoretinopathy (PVR) is a known complication of retinal detachment surgery. It has been postulated that the establishment of PVR involves inflammatory and ischaemic processes. Surgical and clinical risk factors contribute to making certain patients more vulnerable to developing PVR.  The objective of this systematic review is to identify and appraise the evidence on clinical and surgical risk factors and their utility in predicting the occurrence or worsening of PVR post-surgery.    Methods  Electronic databases and grey literature will be searched dating from 1980. Studies will be eligible if they include patients that underwent retinal reattachment surgery for rhegmatogenous retinal detachment (RRD), with and without PVR, and where risk factors were measured before or during surgery. Screening, data extraction and quality assessment will be performed independently by two reviewers using pre-defined criteria. Should any models be identified, we will liaise with the Cochrane prognostic group to help define the most appropriate quality assessment criteria based on the PROBLAST tool which is in development. All findings will be tabulated and narratively synthesised. Studies presenting models or adjusted data will likely be more informative than studies reporting unadjusted results for a single risk factor. When clinically and methodologically appropriate, random effects meta-analysis will be performed.    Discussion  This review will systematically and comprehensively retrieve evidence to evaluate the clinical and surgical risk factors associated with PVR. The identified evidence may aid standardisation of clinical practice and more effective management for improving patient outcomes following RRD surgery and will provide a clear reference point for vitreoretinal surgeons.    Systematic review registration  PROSPERO  CRD42016035848Electronic supplementary material  The online version of this article (doi:10.1186/s13643-016-0284-7) contains supplementary material, which is available to authorized users.

systematic reviews

Clinical and surgical risk factors in the development of proliferative vitreoretinopathy following retinal detachment surgery: a systematic review protocol