Evidence map›Paper›PMID 29773456›Full record

ArticleJournal of cataract and refractive surgery2018

Custom air puff-derived biomechanical variables in a refractive surgery screening setting: Study from 2 centers.

Vinicius S De Stefano, Ibrahim Seven, J Bradley Randleman, William J Dupps

Abstract readMulticenter Study
In one paragraph

Article in Journal of cataract and refractive surgery, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Vinicius S De StefanoFrom the Cole Eye Institute (De Stefano, Seven, Dupps) and the Department of Biomedical Engineering (Dupps), Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, and the Keck School of Medicine (Randleman) and the Roski Eye Institute (Randleman), University of Southern California Los Angeles, Los Angeles, California, USA; Ophthalmology (De Stefano), Federal University of São Paulo, São Paulo, Brazil.
Ibrahim SevenFrom the Cole Eye Institute (De Stefano, Seven, Dupps) and the Department of Biomedical Engineering (Dupps), Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, and the Keck School of Medicine (Randleman) and the Roski Eye Institute (Randleman), University of Southern California Los Angeles, Los Angeles, California, USA; Ophthalmology (De Stefano), Federal University of São Paulo, São Paulo, Brazil.
J Bradley RandlemanFrom the Cole Eye Institute (De Stefano, Seven, Dupps) and the Department of Biomedical Engineering (Dupps), Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, and the Keck School of Medicine (Randleman) and the Roski Eye Institute (Randleman), University of Southern California Los Angeles, Los Angeles, California, USA; Ophthalmology (De Stefano), Federal University of São Paulo, São Paulo, Brazil.
William J DuppsFrom the Cole Eye Institute (De Stefano, Seven, Dupps) and the Department of Biomedical Engineering (Dupps), Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, and the Keck School of Medicine (Randleman) and the Roski Eye Institute (Randleman), University of Southern California Los Angeles, Los Angeles, California, USA; Ophthalmology (De Stefano), Federal University of São Paulo, São Paulo, Brazil. Electronic address: bjdupps@outlook.com.

Funding

RESOURCE/SERVICE CORE C - MOLECULAR INFORMATICS MODULEP30EY025585 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI BELA ANAND-APTE · 2016 to 2026
$7.7M
Corneal Elastography and Patient-Specific Modeling for Simulation-based TherapyR01EY023381 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI DUPPS, WILLIAM JOSEPH · 2013 to 2017
$2.0M
NEI NIH HHS P30 EY025585NEI NIH HHS R01 EY023381
6 · The paper itself

Abstract

purposeTo assess the ability of air puff-derived biomechanical variables to predict surgeon-perceived candidacy for laser in situ keratomileusis (LASIK).

settingCole Eye Institute, Cleveland Clinic, Cleveland, Ohio, and Emory Eye Institute, Emory University, Atlanta, Georgia, USA.

designRetrospective case series.

methodsData were collected from refractive surgery screening examinations by 2 surgeons at 2 centers. Disqualified cases (19 eyes and 28 eyes from each surgeon) were judged not to be candidates based on available data including standard variables from the Ocular Response Analyzer. Controls consisted of LASIK candidates (n = 26 and 23). Three custom biomechanical variables not available during screening were calculated and compared by group and surgeon.

resultsThe hysteresis loop area was significantly different between disqualified cases and controls for both surgeons (Surgeon 1: controls, 121.50 ± 25.38 [SD], disqualified, 107.62 ± 18.50, P = .04; Surgeon 2: controls, 135.89 ± 22.47, disqualified, 106.11 ± 16.40, P < .001). The area under the curves of the receiver operating characteristics and the cutoff values were statistically significant for the concavity minimum and hysteresis loop area for Surgeon 1 and for all variables except concavity minimum for Surgeon 2. The hysteresis loop area had the highest odds ratio (Surgeon 1, 4.48, Surgeon 2, 20.00). Adjusted R

conclusionsThe hysteresis loop area was predictive of which patients were disqualified for LASIK at different sites. Certain measures of the corneal dynamic response to an air puff might serve as correlates to clinically perceived ectasia risk.

Indexed as

Surgical FlapsAdultBiomechanical PhenomenaCorneaCorneal TopographyFemaleFollow-Up StudiesHumansKeratomileusis, Laser In SituLasers, ExcimerMaleMyopiaRetrospective Studies

Identifiers

PMID29773456
PMCPMC6084474

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.