Evidence map›Paper›PMID 31136604›Full record

ArticlePloS one2019

Composite biomaterial repair strategy to restore biomechanical function and reduce herniation risk in an ex vivo large animal model of intervertebral disc herniation with varying injury severity.

Warren W Hom, Melanie Tschopp, Huizi A Lin, Philip Nasser, Damien M Laudier, Andrew C Hecht, Steven B Nicoll, James C Iatridis

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 10% of its field
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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

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  16. The effect of structural changes on the low strain rate behaviour of the intervertebral disc.Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine
    Article
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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

8 authors at 2 institutions in 1 country.

Warren W HomLeni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America.ORCID 0000-0003-0521-596X
Melanie TschoppLeni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America.
Huizi A LinDepartment of Biomedical Engineering, The City College of New York, New York, New York, United States of America.
Philip NasserLeni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America.
Damien M LaudierLeni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America.
Andrew C HechtLeni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America.
Steven B NicollDepartment of Biomedical Engineering, The City College of New York, New York, New York, United States of America.
James C IatridisLeni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America.ORCID 0000-0002-2186-0590
Icahn School of Medicine at Mount Sinai · USCity College of New York · US

Funding

Model of Human Disc Regeneration in the spectrum of Degenerative Disc DiseaseR01AR057397 · NIAMS · ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI · PI IATRIDIS, JAMES C. · 2011 to 2021
$5.1M
NIAMS NIH HHS R01 AR057397
6 · The paper itself

Abstract

Back pain commonly arises from intervertebral disc (IVD) damage including annulus fibrosus (AF) defects and nucleus pulposus (NP) loss. Poor IVD healing motivates developing tissue engineering repair strategies. This study evaluated a composite injectable IVD biomaterial repair strategy using carboxymethylcellulose-methylcellulose (CMC-MC) and genipin-crosslinked fibrin (FibGen) that mimic NP and AF properties, respectively. Bovine ex vivo caudal IVDs were evaluated in cyclic compression-tension, torsion, and compression-to-failure tests to determine IVD biomechanical properties, height loss, and herniation risk following experimentally-induced severe herniation injury and discectomy (4 mm biopsy defect with 20% NP removed). FibGen with and without CMC-MC had failure strength similar to discectomy injury suggesting no increased risk compared to surgical procedures, yet no biomaterials improved axial or torsional biomechanical properties suggesting they were incapable of adequately restoring AF tension. FibGen had the largest failure strength and was further evaluated in additional discectomy injury models with varying AF defect types (2 mm biopsy, 4 mm cruciate, 4 mm biopsy) and NP removal volume (0%, 20%). All simulated discectomy defects significantly compromised failure strength and biomechanical properties. The 0% NP removal group had mean values of axial biomechanical properties closer to intact levels than defects with 20% NP removed but they were not statistically different and 0% NP removal also decreased failure strength. FibGen with and without CMC-MC failed at super-physiological stress levels above simulated discectomy suggesting repair with these tissue engineered biomaterials may perform better than discectomy alone, although restored biomechanical function may require additional healing with the potential application of these biomaterials as sealants and cell/drug delivery carriers.

Indexed as

AnimalsAnnulus FibrosusBiocompatible MaterialsBiomechanical PhenomenaCarboxymethylcellulose SodiumCattleCross-Linking ReagentsDisease Models, AnimalDiskectomyFibrinHydrogelsInjections, SpinalIntervertebral Disc DisplacementIn Vitro TechniquesIridoidsMaterials TestingBiocompatible MaterialsCarboxymethylcellulose SodiumCross-Linking ReagentsFibringenipinHydrogelsIridoidsMethylcellulose

Identifiers

PMID31136604
PMCPMC6538241
OpenAlexW2947245844

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.