Evidence map›Paper›PMID 31377849›Full record

ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2019

Changes in spectral parameters of corneal pulse following canaloplasty.

Monika E Danielewska, Aleksandra K Kicińska, Michał M Placek, Katarzyna Lewczuk, Marek Rękas

Registry-linked trialAbstract read
PubMed Publisher
In one paragraph

Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02908633 (Comparison of Safety and Efficacy of Three Variants of Canaloplasty), which is not on this map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
–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.

NCT02908633 naunknown statusnot on this map

Comparison of Safety and Efficacy of Three Variants of Canaloplasty: Ab-externo, Ab-interno and Minicanaloplasty Combined With Phacoemulsification to Treat Glaucoma and Cataract. A Randomised, Prospective Study.

TypeinterventionalSponsorMilitary Institute od Medicine National Research InstituteRan2016 to 2019Enrolled90ConditionsPrimary Open Angle Glaucoma, CataractArmscanaloplasty and phacoemulsification
3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Minimally invasive trabecular meshwork surgery for open-angle glaucoma.The Cochrane database of systematic reviews · 2026
    Pooled it
  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

5 authors.

Monika E DanielewskaDepartment of Biomedical Engineering, Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland. monika.danielewska@pwr.edu.pl.ORCID http://orcid.org/0000-0001-8532-1927
Aleksandra K KicińskaDepartment of Ophthalmology, Military Institute of Medicine, ul. Szaserów 128, 04-141, Warsaw, Poland.
Michał M PlacekDepartment of Biomedical Engineering, Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland.
Katarzyna LewczukDepartment of Ophthalmology, Military Institute of Medicine, ul. Szaserów 128, 04-141, Warsaw, Poland.
Marek RękasDepartment of Ophthalmology, Military Institute of Medicine, ul. Szaserów 128, 04-141, Warsaw, Poland.

Funding

Ministry of Science and Higher Education, Poland the Science GrantNational Centre for Research and Development, Poland LIDER/074/L-6/14/NCBR/2015
6 · The paper itself

Abstract

purposeTo ascertain whether changes in the spectral content of the corneal pulse (CP) signal, measured in vivo in primary open-angle glaucoma (POAG) patients, indirectly reflect changes in corneal biomechanics after canaloplasty.

methodsFifteen eyes of 15 POAG patients who underwent canaloplasty combined with phacoemulsification were enrolled. Standard ophthalmic examinations were conducted before washout, pre-operatively, at days 1, 7, and 1, 3, 6, and 12 months after surgery. Non-contact measurements of the CP signal were performed at pre-washout, pre-operatively, and at 3, 6, and 12 months post-operatively. Then, amplitudes of the CP first five harmonics associated with the heart rate were estimated. Temporal changes of all considered parameters were tested at a Bonferroni-adjusted significance level set to 0.005.

resultsA decrease in the amplitude of the first harmonic and an increase in the normalized amplitude of the third harmonic (A

conclusionsAlterations in corneoscleral stiffness caused by surgery are reflected in changes in the A CLINICAL TRIALS REGISTRATION: NCT02908633.

Indexed as

Visual AcuityAgedAged, 80 and overBiomechanical PhenomenaCorneaFemaleFiltering SurgeryGlaucoma, Open-AngleHumansIntraocular PressureMaleMiddle AgedPostoperative PeriodCorneal biomechanicsGlaucoma surgeryOcular pulseSpectral analysis

Identifiers

PMID31377849

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.