Pneumatic Retinopexy in Patients with Primary Rhegmatogenous Retinal Detachment Meeting PIVOT Trial Criteria.

To identify the proportion of patients with primary rhegmatogenous retinal detachment (RRD) presenting to a retina practice that meet 'Pneumatic Retinopexy versus Vitrectomy for the Management of Primary RRD' (PIVOT) trial criteria and to assess anatomic and functional outcomes of pneumatic retinopexy (PnR) in this population. Retrospective consecutive case series. Patients with primary RRD treated between October 2009 and November 2017 at an academic vitreoretinal practice in Canada. Medical records of all cases >18 years old with primary RRD were reviewed and the proportion of patients meeting PIVOT criteria was determined. Patients that met PIVOT criteria who underwent PnR with a follow-up >3 months were included for further analysis. The primary outcome was the primary retinal reattachment rate at 12 months among patients meeting PIVOT criteria undergoing PnR. A total of 1,091 patients were identified, of which 577 (52.9%) met PIVOT criteria. Of these, 482/577 (83.5%) underwent PnR, but 54/482 (11.2%) were excluded as these had been enrolled in the PIVOT trial, and another 40/482 (8.3%) were excluded due to short follow-up (<3 months). Therefore, data pertaining to 388 patients is included in our analysis. 79.4% (308/388), 78.2% (280/358), 76.5% (241/315) and 73.9% (178/241) of patients who followed up at 3, 6, 12, and 24 months, respectively, had primary anatomic reattachment. A total of 20.6% (80/388) of patients did not reattach with the initial PnR or re-detached in the early post-procedure period (3 months), 2.1% (8/388) of patients re-detached between 3-12 months, and 1.3% (5/388) re-detached after 1 year. Phakic lens status was the only significant predictor of PnR success at 12 months in a multivariate logistic regression analysis (P = 0.006). Mean logMAR VA improved from 0.90 ± 0.90 (Snellen 20/159) at baseline t 0.34 ± 0.40 (Snellen 20/44) at 12 months (P < 0.001). Over 50% of patients presenting to an academic tertiary retina practice with primary RRD met PIVOT criteria and were eligible for PnR. Evidence from this study demonstrates a durable primary anatomic retinal reattachment rate with PnR in patients fulfilling PIVOT criteria, with similar results to those encountered in the PIVOT trial.

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