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Incidence of postoperative suprachoroidal hemorrhage after glaucoma filtration surgeries in the United States

Overview of attention for article published in Clinical Ophthalmology, April 2015
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1 tweeter
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1 Facebook page

Citations

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26 Dimensions

Readers on

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32 Mendeley
Title
Incidence of postoperative suprachoroidal hemorrhage after glaucoma filtration surgeries in the United States
Published in
Clinical Ophthalmology, April 2015
DOI 10.2147/opth.s78359
Pubmed ID
Authors

Stephen Schwartz, Kamyar Vaziri, Krishna Kishor, Jorge Fortun, Darius Moshfeghi, Andrew Moshfeghi, Harry Flynn

Abstract

To report the 3-month incidence rates of postoperative suprachoroidal hemorrhage after glaucoma filtration surgeries and to examine the subsequent surgical treatments in these eyes. This is a retrospective study using the nationally pooled, insurance claim-based MarketScan databases from the years 2007-2011. Patients with records of trabeculectomy and/or tube shunt procedures were identified, and all cases of "definite" (ie, properly coded) and "suspected" (possibly miscoded) postoperative suprachoroidal hemorrhage occurring within 3 months of their glaucoma filtration procedures were captured along with the surgical interventions used for this condition. Kaplan-Meier survival analysis was used to evaluate the 3-month incidence rates of suprachoroidal hemorrhage, and regression analysis was applied to calculate the odds ratios, confidence intervals, and P-values. There were 17,843 trabeculectomies and 9,597 tube shunt surgeries identified. Among these, there were 107 cases (247 including "suspected" cases) of postoperative suprachoroidal hemorrhage within 3 months of trabeculectomy and 113 cases (255 including "suspected" cases) within 3 months of tube shunt procedures. The 3-month cumulative incidence rate of postoperative suprachoroidal hemorrhage ranged from 0.6%±0.06% to 1.4%±0.09% after trabeculectomy and 1.2%±0.11% to 2.7%±0.16% after tube shunt surgery. Postoperative suprachoroidal hemorrhage was almost twice as likely to occur after tube shunt surgeries than after trabeculectomies for both "definite" and "definite" plus "suspected" cases (odds ratio, 1.98; 95% confidence interval, 1.51-2.58; P<0.001; and odds ratio, 1.95; 95% confidence interval, 1.63-2.32; P<0.001, respectively). Among the 502 "definite" and "suspected" cases of postoperative suprachoroidal hemorrhage, 32.9% (165 cases) had a treatment record of choroidal tap and 8.8% (44 cases) had a treatment record of pars plana vitrectomy. In this sample, the 3-month cumulative incidence rate of postoperative suprachoroidal hemorrhage was 0.6%-1.4% after trabeculectomy and 1.2%-2.7% after tube shunt procedures, and the majority of the cases appeared to be managed without further surgery. Postoperative suprachoroidal hemorrhage was almost twice as likely to occur after tube shunt surgeries as after trabeculectomies.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 32 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 3%
Unknown 31 97%

Demographic breakdown

Readers by professional status Count As %
Student > Postgraduate 4 13%
Professor 4 13%
Student > Doctoral Student 4 13%
Researcher 4 13%
Other 3 9%
Other 8 25%
Unknown 5 16%
Readers by discipline Count As %
Medicine and Dentistry 18 56%
Computer Science 1 3%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Psychology 1 3%
Arts and Humanities 1 3%
Other 0 0%
Unknown 10 31%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 22 April 2015.
All research outputs
#9,592,168
of 12,488,808 outputs
Outputs from Clinical Ophthalmology
#918
of 1,597 outputs
Outputs of similar age
#145,062
of 227,356 outputs
Outputs of similar age from Clinical Ophthalmology
#24
of 39 outputs
Altmetric has tracked 12,488,808 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,597 research outputs from this source. They receive a mean Attention Score of 3.2. This one is in the 35th percentile – i.e., 35% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 227,356 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 39 others from the same source and published within six weeks on either side of this one. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.