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Abstract #86862 Published in IGR 21-2
Diagnosis of pseudoexfoliation syndrome in pseudophakic patients
Sternfeld A; Luski M; Sella R; Zahavi A; Geffen N; Pereg A; Megiddo E; Gaton DOphthalmic Research 2021; 64: 28-33
OBJECTIVE: To evaluate the sensitivity and specificity of pseudoexfoliation syndrome diagnosis in pseudophakic patients and potential means of improving it. METHODS: This prospective, nonrandomized study comprised 41 consecutive patients (41 eyes) scheduled for cataract surgery at a tertiary medical center during 2016-2017. Preoperatively, all patients underwent a detailed slit-lamp examination, including gonioscopic assessment of the iridocorneal angle. The examination was performed by a glaucoma specialist who completed an assessment form documenting the presence/absence of clinical signs of pseudoexfoliation syndrome. It was repeated 1-2 weeks postoperatively by a second, masked, glaucoma specialist. RESULTS: Sixteen patients (39.0%) were diagnosed with pseudoexfoliation syndrome preoperatively: The diagnosis was confirmed postoperatively in 11/16 patients (68.8% sensitivity) and in an additional patient not diagnosed preoperatively (96% specificity). The ability to diagnose pseudoexfoliation syndrome postoperatively was significantly worse than preoperatively (Z=12.161, p <0.0001). Pupillary border deposits (75% of cases) and Sampaolesi line (83.3%) were the cornerstones of postoperative diagnosis; anterior capsular deposits were evident in only 41.6% of cases diagnosed postoperatively (31.3% of the originally diagnosed cases). CONCLUSIONS: Underdiagnosis of pseudoexfoliation syndrome is common in pseudophakic patients and may have significant implications for future management. Careful attention to pupillary border anatomy and meticulous gonioscopic assessment of the iridocorneal angle are essential for accurate diagnosis. Preoperative documentation of pseudoexfoliation syndrome could help prevent this diagnostic pitfall.
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Classification:
9.4.4.1 Exfoliation syndrome (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders > 9.4.4 Glaucomas associated with disorders of the lens)
9.4.11.2 Glaucomas in aphakia and pseudophakia (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders > 9.4.11 Glaucomas following intraocular surgery)
