Evidence map›Paper›PMID 26879146›Full record

ArticleScientific reports2016

Intrinsic mechanical behavior of femoral cortical bone in young, osteoporotic and bisphosphonate-treated individuals in low- and high energy fracture conditions.

Elizabeth A Zimmermann, Eric Schaible, Bernd Gludovatz, Felix N Schmidt, Christoph Riedel, Matthias Krause, Eik Vettorazzi, Claire Acevedo, Michael Hahn, Klaus Püschel and 4 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 1 pooled it
6.9field-weighted citation impact, top 3% 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

32 citing papers in PubMed, 1 synthesis or guideline pooled it, 90 citations in OpenAlex.

  1. Pooled it
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  14. Effect of non-enzymatic glycation on collagen nanoscale mechanisms in diabetic and age-related bone fragility.Biocell : official journal of the Sociedades Latinoamericanas de Microscopia Electronica ... et. al · 2023
    Article
  15. Article
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  18. Mechanosensitive miR-100 coordinates TGFβ and Wnt signaling in osteocytes during fluid shear stress.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2021
    Article
  19. Poor bone matrix quality: What can be done about it?Current osteoporosis reports · 2021
    Review
  20. Review
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

14 authors at 5 institutions in 2 countries.

Elizabeth A ZimmermannDepartment of Osteology and Biomechanics, University Medical Center Hamburg, D-22529 Hamburg, Germany.
Eric SchaibleExperimental Systems Group, Advanced Light Source, Berkeley, California, 94720, USA.
Bernd GludovatzMaterials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA.
Felix N SchmidtDepartment of Osteology and Biomechanics, University Medical Center Hamburg, D-22529 Hamburg, Germany.
Christoph RiedelDepartment of Osteology and Biomechanics, University Medical Center Hamburg, D-22529 Hamburg, Germany.
Matthias KrauseDepartment of Osteology and Biomechanics, University Medical Center Hamburg, D-22529 Hamburg, Germany.
Eik VettorazziDepartment of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany.
Claire AcevedoMaterials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA.
Michael HahnDepartment of Osteology and Biomechanics, University Medical Center Hamburg, D-22529 Hamburg, Germany.
Klaus PüschelDepartment of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany.
Simon TangDepartment of Orthopaedic Surgery, School of Medicine, Washington University, St Louis, MO 63110, USA.
Michael AmlingDepartment of Osteology and Biomechanics, University Medical Center Hamburg, D-22529 Hamburg, Germany.
Robert O RitchieMaterials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA.
Björn BusseDepartment of Osteology and Biomechanics, University Medical Center Hamburg, D-22529 Hamburg, Germany.
University Medical Center Hamburg-Eppendorf · DEUniversität Hamburg · DELawrence Berkeley National Laboratory · USAdvanced Light SourceWashington University in St. Louis · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bisphosphonates are a common treatment to reduce osteoporotic fractures. This treatment induces osseous structural and compositional changes accompanied by positive effects on osteoblasts and osteocytes. Here, we test the hypothesis that restored osseous cell behavior, which resembles characteristics of younger, healthy cortical bone, leads to improved bone quality. Microarchitecture and mechanical properties of young, treatment-naïve osteoporosis, and bisphosphonate-treated cases were investigated in femoral cortices. Tissue strength was measured using three-point bending. Collagen fibril-level deformation was assessed in non-traumatic and traumatic fracture states using synchrotron small-angle x-ray scattering (SAXS) at low and high strain rates. The lower modulus, strength and fibril deformation measured at low strain rates reflects susceptibility for osteoporotic low-energy fragility fractures. Independent of age, disease and treatment status, SAXS revealed reduced fibril plasticity at high strain rates, characteristic of traumatic fracture. The significantly reduced mechanical integrity in osteoporosis may originate from porosity and alterations to the intra/extrafibrillar structure, while the fibril deformation under treatment indicates improved nano-scale characteristics. In conclusion, losses in strength and fibril deformation at low strain rates correlate with the occurrence of fragility fractures in osteoporosis, while improvements in structural and mechanical properties following bisphosphonate treatment may foster resistance to fracture during physiological strain rates.

Indexed as

Biomechanical PhenomenaCortical BoneFemurAbsorptiometry, PhotonAdultAgedAged, 80 and overBone DensityBone Density Conservation AgentsDiphosphonatesFemaleFractures, BoneHumansImaging, Three-DimensionalMaleOsteoporosisBone Density Conservation AgentsDiphosphonates

Identifiers

PMID26879146
PMCPMC4754644
OpenAlexW2294261717

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.