Evidence map›Paper›PMID 31694630›Full record

Observational studyBMC musculoskeletal disorders2019

Vertebral bone marrow fat fraction changes in postmenopausal women with breast cancer receiving combined aromatase inhibitor and bisphosphonate therapy.

Michael Dieckmeyer, Stefan Ruschke, Alexander Rohrmeier, Jan Syväri, Ingo Einspieler, Vanadin Seifert-Klauss, Monika Schmidmayr, Stephan Metz, Jan S Kirschke, Ernst J Rummeny and 3 more

Open access · goldAbstract readObservational Study
In one paragraph

Observational study in BMC musculoskeletal disorders, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.8field-weighted citation impact, top 29% 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

7 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Proton density fat fraction: magnetic resonance imaging applications beyond the liver.Diagnostic and interventional radiology (Ankara, Turkey) · 2022
    Review
  7. 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

13 authors at 3 institutions in 1 country.

Michael DieckmeyerDepartment of Diagnostic and Interventional Neuroadiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany. michael.dieckmeyer@tum.de.
Stefan RuschkeDepartment of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Alexander RohrmeierDepartment of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Jan SyväriDepartment of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Ingo EinspielerDepartment of Radiology, University Medical Center Regensburg, Regensburg, Germany.
Vanadin Seifert-KlaussDepartment of Gynecology and Obstetrics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Monika SchmidmayrDepartment of Gynecology and Obstetrics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Stephan MetzDepartment of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Jan S KirschkeDepartment of Diagnostic and Interventional Neuroadiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Ernst J RummenyDepartment of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Claus ZimmerDepartment of Diagnostic and Interventional Neuroadiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Dimitrios C KarampinosDepartment of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Thomas BaumDepartment of Diagnostic and Interventional Neuroadiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Klinikum rechts der Isar · DETechnical University of Munich · DEUniversity Hospital Regensburg · DE

Funding

European Research Council 637164European Research Council 677661European Research Council () 677661Philips Healthcare 01Technische Universitaet Muenchen KKF H01
6 · The paper itself

Abstract

backgroundQuantification of vertebral bone marrow (VBM) water-fat composition has been proposed as advanced imaging biomarker for osteoporosis. Estrogen deficiency is the primary reason for trabecular bone loss in postmenopausal women. By reducing estrogen levels aromatase inhibitors (AI) as part of breast cancer therapy promote bone loss. Bisphosphonates (BP) are recommended to counteract this adverse drug effect. The purpose of our study was to quantify VBM proton density fat fraction (PDFF) changes at the lumbar spine using chemical shift encoding-based water-fat MRI (CSE-MRI) and bone mineral density (BMD) changes using dual energy X-ray absorptiometry (DXA) related to AI and BP treatment over a 12-month period.

methodsTwenty seven postmenopausal breast cancer patients receiving AI therapy were recruited for this study. 22 subjects completed the 12-month study. 14 subjects received AI and BP (AI+BP), 8 subjects received AI without BP (AI-BP). All subjects underwent 3 T MRI. An eight-echo 3D spoiled gradient-echo sequence was used for CSE-based water-fat separation at the lumbar spine to generate PDFF maps. After manual segmentation of the vertebral bodies L1-L5 PDFF values were extracted for each vertebra and averaged for each subject. All subjects underwent DXA of the lumbar spine measuring the average BMD of L1-L4.

resultsBaseline age, PDFF and BMD showed no significant difference between the two groups (p > 0.05). There was a relative longitudinal increase in mean PDFF (∆rel

conclusionsOver a 12-month period, VBM PDFF assessed with CSE-MRI significantly increased in subjects receiving AI and BP. The present results contradict previous results regarding the effect of only BP therapy on bone marrow fat content quantified by magnetic resonance spectroscopy and bone biopsies. Future longer-term follow-up studies are needed to further characterize the effects of combined AI and BP therapy.

Indexed as

Absorptiometry, PhotonAdipose TissueAgedAntineoplastic Combined Chemotherapy ProtocolsAromatase InhibitorsBone DensityBone Density Conservation AgentsBone MarrowBreast NeoplasmsCancellous BoneFemaleFollow-Up StudiesHumansImaging, Three-DimensionalLumbar VertebraeMagnetic Resonance ImagingAromatase InhibitorsBone Density Conservation AgentsZoledronic AcidAromatase inhibitorBisphosphonatesOsteoporosisProton density fat fractionVertebral bone marrow

Identifiers

PMID31694630
PMCPMC6836649
OpenAlexW2987855903

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.