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Treatment for neovascular age‐related macular degeneration in Sweden: outcomes at seven years in the Swedish Macula Register
Author(s) -
Westborg Inger,
Granstam Elisabet,
Rosso Aldana,
Albrecht Susanne,
Karlsson Niklas,
LövestamAdrian Monica
Publication year - 2017
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/aos.13539
Subject(s) - medicine , macular degeneration , diabetic retinopathy , ophthalmology , visual acuity , demographics , retrospective cohort study , diabetes mellitus , surgery , demography , sociology , endocrinology
Purpose To present Swedish Macula Register (SMR) data regarding treatment of neovascular age‐related macular degeneration (AMD) in clinical practice since 2008. Methods A retrospective register‐based study was conducted. Evaluation of baseline demographics, visual outcome and number of injections during this period is presented. Results Mean age at diagnosis was 79 ± (SD) 8 years; 65% were female. The proportion of patients with <2 months' duration of symptoms increased from 26% in 2008 to 41% in 2014 (p = 0.001). Mean visual acuity (VA) at baseline increased from 54.3 ± 15.0 early treatment diabetic retinopathy study (ETDRS) letters in 2008 to 57.8 ± 15.6 letters in 2014 (CI 95 2.6; 4.3; p < 0.001). Mean VA after 1 year of treatment increased from 57.8 ± 17.7 ETDRS letters for patients who started the treatment in 2008 to 62.8 ± 16.4 ETDRS letters in patients starting treatment in 2014 (CI 95 2.67; 4.64; p < 0.001). During all study years, the proportion of patients with an improvement in VA of between 5 and 15 letters was around 30%, while 14% had VA improvement of more than 15 letters. The mean number of injections during the first treatment year increased from 4.3 ± 1.9 in 2008 to 5.9 ± 2.9 in 2014 (CI 95 1.40; 1.67; p < 0.001). Seven‐year follow‐up of 322 eyes showed a mean change of −1 letters from baseline, with a mean of 21 injections for the entire period. Conclusion The duration of symptoms before treatment decreased, while VA at baseline and after 1 year of treatment increased over the years and so did the number of injections. Long‐term follow‐up demonstrated stable VA.

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