Intra and post-operative complications observed with femtosecond laser-assisted cataract surgery versus conventional phacoemulsification surgery: a systematic review and meta-analysis.

Abstract:

BACKGROUND:In this analysis, we aimed to systematically compare the complications which were associated with femtosecond laser-assisted cataract surgery (FLACS) versus the conventional phacoemulsification surgery (CPE). METHODS:Commonly used search databases, specifically MEDLINE, Cochrane Central, EMBASE, and http://www.clinicaltrials.gov were carefully searched for English publications comparing FLACS versus CPE. The selected endpoints which were assessed included incomplete capsulotomy, anterior capsulotomy tag, anterior capsule tear, posterior capsule tear, injury to the descemet's membrane, zonular dialysis, vitreous loss, macular or corneal edema, and elevated intra-ocular pressure. Statistical analysis was carried out by the latest version of the RevMan software (version 5.3) and represented by risk ratios (RR) with 95% confidence intervals (CI). RESULTS:A total number of 7156 participants were included. Three thousand five hundred and fifty four (3554) participants were assigned to the FLACS group. The risks for incomplete capsulotomy, anterior capsulotomy tag, and anterior capsular tear were significantly higher with FLACS (RR: 22.42, 95% CI: 4.53-110.82; P = 0.0001), (RR: 33.07, 95% CI: 6.53-167.56; P = 0.0001) and (RR: 4.74, 95% CI: 2.59-8.68; P = 0.00001) respectively. The risks for macular/corneal edema (RR: 2.05, 95% CI: 1.18-3.55; P = 0.01) and elevated intra-ocular pressure (RR: 3.24, 95% CI: 1.55-6.78; P = 0.002) were also significantly higher with FLACS. However, the risks for impaired descemet's membrane (RR: 0.95, 95% CI: 0.61-1.47; P = 0.80), zonular dialysis (RR: 0.40, 95% CI: 0.06-2.72; P = 0.35), vitreous loss (RR: 0.09, 95% CI: 0.01-1.63; P = 0.10) and posterior capsular tear (RR: 1.45, 95% CI: 0.23-9.16; P = 0.69) were not significantly different. CONCLUSIONS:The current results showed that FLACS did not improve intra/post-operative complications in comparison to CPE. Further larger studies should confirm this hypothesis.

journal_name

BMC Ophthalmol

journal_title

BMC ophthalmology

authors

Wang J,Su F,Wang Y,Chen Y,Chen Q,Li F

doi

10.1186/s12886-019-1190-2

subject

Has Abstract

pub_date

2019-08-09 00:00:00

pages

177

issue

1

issn

1471-2415

pii

10.1186/s12886-019-1190-2

journal_volume

19

pub_type

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