Evidence map›Paper›PMID 30406312›Full record

ArticleEuropean radiology2019

Dual-energy CT for liver iron quantification in patients with haematological disorders.

Sebastian Werner, Bernhard Krauss, Ulrike Haberland, Malte Bongers, Uwe Starke, Tamam Bakchoul, Sigrid Enkel, Konstantin Nikolaou, Marius Horger

Abstract read
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In one paragraph

Article in European radiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
1.5field-weighted citation impact, top 17% 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

14 citing papers in PubMed, 28 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Spectral performance evaluation of a second-generation spectral detector CT.Journal of applied clinical medical physics · 2024
    Article
  5. Review
  6. Quantitative Analysis of Liver Iron Deposition Based on Dual-Energy CT in Thalassemia Patients.Mediterranean journal of hematology and infectious diseases · 2023
    Article
  7. Article
  8. Quantitative dual-energy CT techniques in the abdomen.Abdominal radiology (New York) · 2022
    Review
  9. Review
  10. Review
  11. Article
  12. Lower limit of iron quantification using dual-energy CT - a phantom study.Journal of applied clinical medical physics · 2021
    Article
  13. Dual-energy CT in diffuse liver disease: is there a role?Abdominal radiology (New York) · 2020
    Review
  14. 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

9 authors at 3 institutions in 2 countries.

Sebastian WernerDepartment of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Hoppe-Seyler-Str.3, 72076, Tuebingen, Germany. sebastian.werner@med.uni-tuebingen.de.
Bernhard KraussSiemens Healthcare GmbH, Diagnostic Imaging, Computed Tomography, Scanner Applications, HC DI CT R&D CTC SA, Siemensstr. 3, 91301, Forchheim, Germany.
Ulrike HaberlandSiemens Healthcare Limited, HC WEA GBR DI PI, Sir William Siemens Square, Frimley, Camberley, GU16 8QD, UK.
Malte BongersDepartment of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Hoppe-Seyler-Str.3, 72076, Tuebingen, Germany.
Uwe StarkeCentre for Clinical Transfusion Medicine Tuebingen (ZKT), Otfried-Müller Straße 4/1, 72076, Tuebingen, Germany.
Tamam BakchoulTransfusion Medicine, Medical Faculty of Tuebingen, Centre for Clinical Transfusion Medicine Tuebingen (ZKT), Otfried-Müller Straße 4/1, 72076, Tuebingen, Germany.
Sigrid EnkelCentre for Clinical Transfusion Medicine Tuebingen (ZKT), Otfried-Müller Straße 4/1, 72076, Tuebingen, Germany.
Konstantin NikolaouDepartment of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Hoppe-Seyler-Str.3, 72076, Tuebingen, Germany.
Marius HorgerDepartment of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Hoppe-Seyler-Str.3, 72076, Tuebingen, Germany.
University of Tübingen · DESiemens Healthcare (Germany) · DESiemens (United Kingdom) · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo retrospectively quantify liver iron content in haematological patients suspected of transfusional haemosiderosis using dual-energy CT (DECT) and correlate with serum ferritin levels and estimated quantity of transfused iron.

methodsOne hundred forty-seven consecutive dual-source dual-energy non-contrast chest-CTs in 110 haematologic patients intended primarily for exclusion of pulmonary infection between September 2016 and June 2017 were retrospectively evaluated. Image data was post-processed with a software prototype. After material decomposition, an iron enhancement map was created and freehand ROIs were drawn including most of the partially examined liver. The virtual iron content (VIC) was calculated and expressed in milligram/millilitre. VIC was correlated with serum ferritin and estimated amount of transfused iron. Scans of patients who had not received blood products were considered controls.

resultsForty-eight (32.7%) cases (controls) had not received any blood transfusions whereas 67.3% had received one transfusion or more. Median serum ferritin and VIC were 138.0 μg/dl (range, 6.0-2628.0 μg/dl) and 1.33 mg/ml (range, - 0.94-7.56 mg/ml) in the post-transfusional group and 27.0 μg/dl (range, 1.0-248.0 μg/dl) and 0.61 mg/ml (range, - 2.1-2.4) in the control group. Correlation between serum ferritin and VIC was strong (r = 0.623; p < 0.001) as well as that between serum ferritin and estimated quantity of transfused iron (r = 0.681; p < 0.001).

conclusionsHepatic VIC obtained via dual-energy chest-CT examinational protocol strongly correlates with serum ferritin levels and estimated amount of transfused iron and could therefore be used in the routine diagnosis for complementary evaluation of transfusional haemosiderosis. KEY POINTS: • Virtual liver iron content was measured in routine chest-CTs of haematological patients suspected of having iron overload. Chest-CTs were primarily intended for exclusion of pulmonary infection. • Measurements correlate strongly with the most widely used blood marker of iron overload serum ferritin (after exclusion of infection) and the amount of transfused iron. • Liver VIC could be used for supplemental evaluation of transfusional haemosiderosis in haematological patients.

Indexed as

AdolescentAdultAgedAged, 80 and overBiomarkersFemaleHumansIronIron OverloadLiverMaleMiddle AgedRetrospective StudiesTomography, X-Ray ComputedYoung AdultBiomarkersIronErythrocyte transfusionHaematologic diseasesHaemosiderosisLiverTomography, X-ray computed

Identifiers

PMID30406312
OpenAlexW2899778655

What OpenQuestion holds

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Registered trials

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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.