The edition · Ophthalmology
Polypoidal regression is not cure: half of eyes recurred within two years off treatment
In a Thai prospective cohort, eyes with complete polyp regression on aflibercept were switched to as-needed dosing, and half had fluid back within two years. Plus intracameral antibiotics across a million Swedish cataract operations, chisel-hammer foreign bodies and periorbital necrotising fasciitis.
The edition in brief
In a prospective study at four Thai university hospitals, 81 treatment-naive eyes with polypoidal choroidal vasculopathy received three monthly aflibercept injections, with three more if polyps persisted. Of 26 eyes that reached complete regression and moved to as-needed treatment, half recurred within two years; a fifth of recurrences cost 10 or more letters and over a third brought new haemorrhage. Regression should prompt continued close OCT surveillance, not discharge or long gaps. The Swedish cataract register covered 979,534 operations from 2018 to 2024: endophthalmitis occurred in 0.013%, and rates with intracameral cefuroxime, cefuroxime plus ampicillin and moxifloxacin did not differ significantly, though enterococcal cases were commoner with cefuroxime alone. An Indian series of 29 patients with posterior segment metallic foreign bodies from chisel-and-hammer injuries found vitrectomy achieved anatomical success in about 90%, with mean vision improving from logMAR 2.4 to 1.2; delay between primary repair and vitrectomy was linked to worse vision. A German series of 12 patients with periorbital necrotising fasciitis linked older age and higher LRINEC scores to prolonged ICU care, and tissue-sparing debridement did not appear worse than radical surgery. The pearl: a hammering history means CT, not MRI.
Intracameral antibiotics after cataract surgery: no regimen clearly better across nearly a million operations
Keep using an intracameral antibiotic at cataract surgery; cefuroxime, cefuroxime–ampicillin and moxifloxacin performed similarly, with gaps in enterococcal cover for cefuroxime alone.
Chisel-and-hammer foreign bodies: vitrectomy restored the anatomy in most, and delay mattered
Refer chisel-and-hammer eye injuries with a suspected intraocular foreign body early for imaging and vitrectomy.
Periorbital necrotising fasciitis: LRINEC and age flagged the long ICU stays
In periorbital necrotising fasciitis, a high LRINEC score in an older patient predicts a long ICU stay; tissue-sparing debridement may be reasonable where extent allows.
A hammering history means CT of the orbits, not MRI
Suspect an intraocular foreign body after any hammering injury and image with CT, never MRI first.
Polypoidal choroidal vasculopathy: complete regression still needs close monitoring
After complete polypoidal regression, keep reviewing with OCT; half of eyes recurred within two years of stopping regular injections.
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