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Rischpler C, Nekolla SG, Heusch G, Umutlu L, Rassaf T, Heusch P, Herrmann K, Nensa F. Cardiac PET/MRI-an update. Eur J Hybrid Imaging 2019; 3:2. [PMID: 34191143 PMCID: PMC8212244 DOI: 10.1186/s41824-018-0050-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 12/17/2018] [Indexed: 12/21/2022] Open
Abstract
It is now about 8 years since the first whole-body integrated PET/MRI has been installed. First, reports on technical characteristics and system performance were published. Early after, reports on the first use of PET/MRI in oncological patients were released. Interestingly, the first article on the application in cardiology was a review article, which was published before the first original article was put out. Since then, researchers have gained a lot experience with the PET/MRI in various cardiovascular diseases and an increasing number on auspicious indications is appearing. In this review article, we give an overview on technical updates within these last years with potential impact on cardiac imaging and summarize those scenarios where PET/MRI plays a pivotal role in cardiovascular medicine.
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Affiliation(s)
- C Rischpler
- Department of Nuclear Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
| | - S G Nekolla
- Nuklearmedizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technische Universität München, Ismaninger Straße 22, 81675, Munich, Germany.,DZHK (Deutsches Zentrum für Herz-Kreislauf-Forschung e.V.) partner site Munich Heart alliance, Munich, Germany
| | - G Heusch
- Institute for Pathophysiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - L Umutlu
- Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - T Rassaf
- Department of Cardiology and Vascular Medicine, University Hospital Essen, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - P Heusch
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Düsseldorf, Düsseldorf, Germany
| | - K Herrmann
- Department of Nuclear Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - F Nensa
- Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
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Nensa F, Tezgah E, Schweins K, Goebel J, Heusch P, Nassenstein K, Schlosser T, Poeppel TD. Evaluation of a low-carbohydrate diet-based preparation protocol without fasting for cardiac PET/MR imaging. J Nucl Cardiol 2017; 24:980-988. [PMID: 26993494 DOI: 10.1007/s12350-016-0443-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 02/01/2016] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Assessment of increased glucose uptake in inflammatory or malignant myocardial disease using PET/MRI relies on uptake suppression in normal myocardium. We evaluated the efficacy of a ≥24 hours high-fat, low-carbohydrate, and protein-permitted diet (HFLCPP) in combination with unfractionated heparin for suppression of "physiologic" myocardial glucose uptake. METHODS PET/MRI was successfully performed in 89 patients. HFLCPP was started ≥24 hours prior to PET/MRI. All patients received i.v. injection of unfractionated heparin (50 IU·kg-1) 15 minutes prior to FDG administration. Left ventricular FDG uptake was visually evaluated by two readers. Diffuse myocardial uptake exceeding liver uptake, isolated uptake in the lateral wall, or diffuse uptake in the entire circumference of the heart base were defined as failed suppression. Homogeneous myocardial uptake below liver uptake with/without focal uptake was defined as successful suppression. RESULTS Success rate was 84%. Suppression was unsuccessful in 14 patients. No significant influence of gender (P = .40) or age (P = .21) was found. However, insufficient suppression was more common in patients younger than 45 years (20% vs 7%). PET/MR imaging completion rate was >97%. CONCLUSION A HFLCPP diet in combination with unfractionated heparin was successfully implemented for cardiac PET/MRI and resulted in a sufficient suppression of myocardial FDG uptake in 84% of patients.
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Affiliation(s)
- Felix Nensa
- Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany.
| | - E Tezgah
- Clinic for Cardiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - K Schweins
- Department of Diet and Nutrition, University of Duisburg-Essen, Essen, Germany
| | - J Goebel
- Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - P Heusch
- Department of Diagnostic and Interventional Radiology, University Hospital Dusseldorf, University of Dusseldorf, Dūsseldorf, Germany
| | - K Nassenstein
- Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - T Schlosser
- Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - T D Poeppel
- Clinic for Nuclear Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
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Kirchner J, Sawicki L, Deuschl C, Eisen J, Ruhlmann V, Erfanian Y, Heusch P, Antoch G, Umutlu L. Nutzen von Kontrastmittelgabe und DWI in der 18F-FDG PET/MRT für die Bestimmung des Tumorstadiums bei Lymphom-Patienten. ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- J Kirchner
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - L Sawicki
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - C Deuschl
- Universität Duisburg-Essen, Medizinische Fakultät, Institut dür Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
| | - J Eisen
- Universität Duisburg-Essen, Medizinische Fakultät, Institut dür Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
| | - V Ruhlmann
- Universität Duisburg-Essen, Medizinische Fakultät, Klinik für Nuklearmedizin, Essen
| | - Y Erfanian
- Universität Duisburg-Essen, Medizinische Fakultät, Institut dür Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
| | - P Heusch
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - G Antoch
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - L Umutlu
- Universität Duisburg-Essen, Medizinische Fakultät, Institut dür Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
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Kirchner J, Schaarschmidt B, Sawicki L, Heusch P, Hautzel H, Antoch G, Buchbender C. Evaluation praktischer Hindernisse in der Beurteilung der 68Ga-PSMA PET/CT bei 55 Patienten: Physiologische Tracerverteilung und inzidenteller Uptake. ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- J Kirchner
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - B Schaarschmidt
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - L Sawicki
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - P Heusch
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - H Hautzel
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Klinik für Nuklearmedizin, Düsseldorf
| | - G Antoch
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - C Buchbender
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
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Aissa J, Sawicki L, Heusch P, Appel E, Kröpil P, Thomas C, Antoch G, Boos J. Abdominale Computertomografie (CT) zur Detektion von Body-Packing: Wie weit kann die Strahlendosis reduziert werden? ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- J Aissa
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - L Sawicki
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - P Heusch
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - E Appel
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - P Kröpil
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - C Thomas
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - G Antoch
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - J Boos
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
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Lanzman R, Dickmann C, Ljimani A, Aissa J, Schroeder T, Cadeddu R, Kröpil P, Antoch G, Heusch P. Evaluation von DNA-Doppelstrangbrüchen humaner Blutlymphozyten nach zerebralen MRT-Untersuchungen. ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- R Lanzman
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - C Dickmann
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - A Ljimani
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - J Aissa
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - T Schroeder
- Universitätsklinikum Düsseldorf, Klinik für Hämatologie, Düsseldorf
| | - R Cadeddu
- Universitätsklinikum Düsseldorf, Klinik für Hämatologie, Düsseldorf
| | - P Kröpil
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - G Antoch
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - P Heusch
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
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Sawicki L, Deuschl C, Beiderwellen K, Ruhlmann V, Poeppel T, Heusch P, Führer-Sakel D, Bockisch A, Herrmann K, Antoch G, Forsting M, Umutlu L. Evaluation der 68Ga-DOTATOC PET/MRT im Vergleich zur 68Ga-DOTATOC PET/CT beim Ganzkörperstaging von Patienten mit neuroendokrinen Tumoren. ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- L Sawicki
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - C Deuschl
- Universitätsklinikum Essen, Institut für Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
| | - K Beiderwellen
- Universitätsklinikum Essen, Institut für Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
| | - V Ruhlmann
- Universitätsklinikum Essen, Klinik für Nuklearmedizin, Essen
| | - T Poeppel
- Universitätsklinikum Essen, Klinik für Nuklearmedizin, Essen
| | - P Heusch
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - D Führer-Sakel
- Universitätsklinikum Essen, Klinik für Endokrinologie, Essen
| | - A Bockisch
- Universitätsklinikum Essen, Klinik für Nuklearmedizin, Essen
| | - K Herrmann
- Universitätsklinikum Essen, Klinik für Nuklearmedizin, Essen
| | - G Antoch
- Universitätsklinikum Düsseldorf, Institut für Diagnostische und Interventionelle Radiologie, Düsseldorf
| | - M Forsting
- Universitätsklinikum Essen, Institut für Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
| | - L Umutlu
- Universitätsklinikum Essen, Institut für Diagnostische und Interventionelle Radiologie und Neuroradiologie, Essen
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Sawicki L, Grueneisen J, Buchbender C, Schaarschmidt B, Kirchner J, Ruhlmann V, Wetter A, Umutlu L, Antoch G, Heusch P. Vergleich der simultanen 18F-FDG PET/MRT und der 18F-FDG PET/CT bezüglich der Detektierbarkeit und Charakterisierung intrapulmonaler Rundherde bei 121 onkologischen Patienten. ROFO-FORTSCHR RONTG 2016. [DOI: 10.1055/s-0036-1581654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Heusch P. PET/CT: Wie funktioniert das? ROFO-FORTSCHR RONTG 2016. [DOI: 10.1055/s-0036-1581263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Boos J, Meineke A, Rubbert C, Heusch P, Lanzman R, Aissa J, Antoch G, Kröpil P. Cloud-Based CT Dose Monitoring using the DICOM-Structured Report: Fully Automated Analysis in Regard to National Diagnostic Reference Levels. ROFO-FORTSCHR RONTG 2015; 188:288-94. [PMID: 26632871 DOI: 10.1055/s-0041-108059] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE To implement automated CT dose data monitoring using the DICOM-Structured Report (DICOM-SR) in order to monitor dose-related CT data in regard to national diagnostic reference levels (DRLs). MATERIALS AND METHODS We used a novel in-house co-developed software tool based on the DICOM-SR to automatically monitor dose-related data from CT examinations. The DICOM-SR for each CT examination performed between 09/2011 and 03/2015 was automatically anonymized and sent from the CT scanners to a cloud server. Data was automatically analyzed in accordance with body region, patient age and corresponding DRL for volumetric computed tomography dose index (CTDIvol) and dose length product (DLP). RESULTS Data of 36,523 examinations (131,527 scan series) performed on three different CT scanners and one PET/CT were analyzed. The overall mean CTDIvol and DLP were 51.3% and 52.8% of the national DRLs, respectively. CTDIvol and DLP reached 43.8% and 43.1% for abdominal CT (n=10,590), 66.6% and 69.6% for cranial CT (n=16,098) and 37.8% and 44.0% for chest CT (n=10,387) of the compared national DRLs, respectively. Overall, the CTDIvol exceeded national DRLs in 1.9% of the examinations, while the DLP exceeded national DRLs in 2.9% of the examinations. Between different CT protocols of the same body region, radiation exposure varied up to 50% of the DRLs. CONCLUSION The implemented cloud-based CT dose monitoring based on the DICOM-SR enables automated benchmarking in regard to national DRLs. Overall the local dose exposure from CT reached approximately 50% of these DRLs indicating that DRL actualization as well as protocol-specific DRLs are desirable. The cloud-based approach enables multi-center dose monitoring and offers great potential to further optimize radiation exposure in radiological departments. KEY POINTS • The newly developed software based on the DICOM-Structured Report enables large-scale cloud-based CT dose monitoring • The implemented software solution enables automated benchmarking in regard to national DRLs • The local radiation exposure from CT reached approximately 50 % of the national DRLs • The cloud-based approach offers great potential for multi-center dose analysis.
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Affiliation(s)
- J. Boos
- University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, Dusseldorf, Germany
| | - A. Meineke
- Cerner Health Services, Idstein, Germany
| | - C. Rubbert
- University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, Dusseldorf, Germany
| | - P. Heusch
- University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, Dusseldorf, Germany
| | - R. Lanzman
- University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, Dusseldorf, Germany
| | - J. Aissa
- University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, Dusseldorf, Germany
| | - G. Antoch
- University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, Dusseldorf, Germany
| | - P. Kröpil
- University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, Dusseldorf, Germany
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Lanzman R, Müller-Lutz A, Liersch P, Heusch P, Weller J, Kröpil P, Antoch G, Wittsack H. Dynamische EKG-getriggerte DWI der Nieren: Erfassung von Diffusionsparametern über den gesamten Herzzyklus. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1551435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Boos J, Meineke A, Lanzman R, Bethge O, Heusch P, Aissa J, Antoch G, Kröpil P. Cloud-basiertes Monitoring von CT-Dosisdaten mithilfe des DICOM-Structured Report (DICOM-SR): Analyse im Hinblick auf nationale Referenzwerte. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1551369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Schaarschmidt B, Buchbender C, Rubbert C, Hildt F, Grueneisen J, Ruhlmann V, Umutlu L, Quick H, Antoch G, Heusch P. Lokales Tumorstaging bei Patienten mit nicht-kleinzelligem Bronchialkarzinom in der simultanen 18F-FDG PET/MRT: Diagnostische Genauigkeit unterschiedlicher MR-Sequenzen. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1551379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Buchbender C, Schaarschmidt B, Grueneisen J, Heusch P, Umutlu L, Ruhlmann V, Rosenbaum-Krumme S, Antoch G. Vergleich der diagnostischen Sicherheit für die Beurteilung von abdominalen Inzidentalomen in der 18F-FDG PET/MRT und 18F-FDG PET/CT. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1551223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Naßenstein K, Tezgah E, Pöppel T, Jensen C, Schelhorn J, Köhler J, Heusch P, Bruder O, Schlosser T, Nensa F. Diagnostik unklarer kardialer Raumforderungen mittels 18F-FDG PET/MRT – eine Pilotstudie. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1550965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Boos J, Aissa J, Lanzman R, Heusch P, Schimmöller L, Antoch G, Kröpil P. CT-Angiografie der Aorta mit 80 kV in Kombination mit iterativer Rekonstruktion: Beurteilung von Bildqualität und Strahlendosis. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1550977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Heusch P, Schaarschmidt B, Grüneisen J, Umutlu L, Ruhlmann V, Rosenbaum-Krumme S, Antoch G, Buchbender C. Diagnostische Wertigkeit unterschiedlicher MR-Sequenzen in der simultanen 18F-FDG PET/MRT. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1551221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Beiderwellen K, Kinner S, Gomez B, Heusch P, Umutlu L, Bockisch A, Lauenstein T. Multimodale Dünndarmdiagnostik mittels PET/MR Enterografie: Erste Erfahrungen. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1550907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Schaarschmidt B, Buchbender C, Gomez B, Nensa F, Grueneisen J, Ruhlmann V, Wetter A, Antoch G, Heusch P. Incidentelle Traceranreicherungen im Kopf-/Hals-Bereich: Vergleich zwichen 18F-FDG PET/MRT und 18F-FDG PET/CT. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1551333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Klasen-Sansone J, Bode J, Lanzman R, Kubitz R, Immig S, Heusch P, Antoch G, Häussinger D, Blondin D. TIPS geometry influences patency. Z Gastroenterol 2015; 53:28-32. [DOI: 10.1055/s-0034-1385430] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- J. Klasen-Sansone
- Department of Diagnostic and Interventional Radiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - J. Bode
- Department of Gastroenterology, Hepatology and Infectiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - R. Lanzman
- Department of Diagnostic and Interventional Radiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - R. Kubitz
- Department of Gastroenterology, Hepatology and Infectiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - S. Immig
- Department of Gastroenterology, Hepatology and Infectiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - P. Heusch
- Department of Diagnostic and Interventional Radiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - G. Antoch
- Department of Diagnostic and Interventional Radiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - D. Häussinger
- Department of Gastroenterology, Hepatology and Infectiology, University Duesseldorf, Medical Faculty, Duesseldorf
| | - D. Blondin
- Department of Diagnostic and Interventional Radiology, University Duesseldorf, Medical Faculty, Duesseldorf
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Schimmöller L, Lanzman R, Dietrich S, Boos J, Heusch P, Miese F, Antoch G, Kröpil P. Evaluation of automated attenuation-based tube potential selection in combination with organ-specific dose reduction for contrast-enhanced chest CT examinations. Clin Radiol 2014; 69:721-6. [DOI: 10.1016/j.crad.2014.02.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 02/10/2014] [Accepted: 02/24/2014] [Indexed: 12/28/2022]
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Baraliakos X, Buchbender C, Ostendorf B, Hartung V, Heusch P, Beiderweilen K, Schneider M, Antoch G, Braun J. OP0049 Conventional Magnetic Resonance Imaging (MR), Hybrid 18F-Fluoride Positron Emission Tomography MRI (18F-F- PET/MRI) and Computer Tomography of the Spine – A Detailed Description of Pathologic Signals in Patients with Active Ankylosing Spondylitis. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.6089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Nensa F, Köhler J, Pöppel TD, Heusch P, Schlosser T, Kühl H. Multimodale Tumorcharakterisierung mit PET/MRT: Korrelation von Tumorperfusion und 18F-FDG-Aufnahme bei Patienten mit NSCLC. ROFO-FORTSCHR RONTG 2014. [DOI: 10.1055/s-0034-1373259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Beiderwellen K, Hübner M, Heusch P, Grüneisen J, Hartung V, Nensa F, Kühl HI, Umutlu L, Rosenbaum-Krumme S, Lauenstein TC. Wertigkeit der [18F]FDG PET/MRT in der Diagnostik von Knochenmetastasen. ROFO-FORTSCHR RONTG 2014. [DOI: 10.1055/s-0034-1373262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Wetter A, Lipponer C, Nensa F, Heusch P, Schlosser T, Pöppel T, Lauenstein T, Nagarajah J. Quantitative Evaluation von Knochenmetastasen des Prostatakarzinoms mit der simultanen [18F] Cholin PET/MRT: Kombinierte SUV und ADC Analyse. ROFO-FORTSCHR RONTG 2014. [DOI: 10.1055/s-0034-1373261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Buchbender C, Baraliakos X, Ostendorf B, Heusch P, Hartung V, Beiderwellen K, Braun J, Antoch G. Hybride 18F-Fluorid Positronenemissionstomografie und Magnetresonanztomografie (18F-Fluorid-PET/MRT) der Wirbelsäule bei Patienten mit axialer Spondylarthritis – eine Pilotstudie. ROFO-FORTSCHR RONTG 2014. [DOI: 10.1055/s-0034-1373263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Beiderwellen K, Geraldo L, Hartung V, Heusch P, Nensa F, Umutlu L, Lauenstein TC. Genauigkeit der Detektion von Lebermetastasen der [18F]FDG-PET/MRT: Vergleich zur PET/CT. ROFO-FORTSCHR RONTG 2014. [DOI: 10.1055/s-0034-1373260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Lanzman RS, Boos J, Klee D, Schaper J, Schimmöller L, Heusch P, Klasen-Sansone J, Antoch G, Kröpil P. Einfluss von organspezifischer Dosisreduktion auf die Bildqualität pädiatrischer CT-Thorax-Untersuchungen. ROFO-FORTSCHR RONTG 2014. [DOI: 10.1055/s-0034-1373110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Heusch P, Buchbender C, Köhler J, Nensa F, Beiderwellen K, Kühl H, Lanzman RS, Wittsack HJ, Gomez B, Gauler T, Schuler M, Forsting M, Bockisch A, Antoch G, Heusner TA. Correlation of the apparent diffusion coefficient (ADC) with the standardized uptake value (SUV) in hybrid 18F-FDG PET/MRI in non-small cell lung cancer (NSCLC) lesions: initial results. ROFO-FORTSCHR RONTG 2013; 185:1056-62. [PMID: 23860802 DOI: 10.1055/s-0033-1350110] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
PURPOSE To compare the apparent diffusion coefficient (ADC) in non-small cell lung cancer lesions with standardized uptake values (SUV) derived from combined 18F-fluoro-deoxy-glucose-positron emission tomography/magnetic resonance imaging (FDG-PET/MRI) and those derived from FDG-PET/CT. MATERIALS AND METHODS In 18 consecutive patients with histologically proven NSCLC (17 men, 1 woman; mean age, 61 ± 12 years), whole-body FDG-PET/MRI was performed after whole-body FDG-PET/CT. Regions of interest (ROI) encompassing the entire primary tumor were drawn into FDG-PET/CT and FDG-PET/MR images to determine the maximum and mean standardized uptake value (SUVmax; SUVmean) and into ADC parameter maps to assess mean ADC values. Pearson's correlation coefficients were calculated to compare SUV and ADC values. RESULTS The SUVmax of NSCLC was 12.3 ± 4.8 [mean ±SD], and the SUVmean was 7.2 ± 2.8 as assessed by FDG-PET/MRI. The SUVmax and SUVmean derived from FDG-PET/CT and FDG-PET/MRI correlated well (R = 0.93; p < 0.001 and R = 0.92; p < 0.001, respectively). The ADCmean of the pulmonary tumors was 187.9 ± 88.8 × 10-5 mm²/s [mean ± SD]. The ADCmean exhibited a significant inverse correlation with the SUVmax (R = -0.72; p < 0.001) as well as with the SUVmean assessed by FDG-PET/MRI (R = -0.71; p < 0.001). CONCLUSION This simultaneous PET/MRI study corroborates the assumed significant inverse correlation between increased metabolic activity on FDG-PET and restricted diffusion on DWI in NSCLC.Citation Format:
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Affiliation(s)
- P Heusch
- Department of Diagnostic and Interventional Radiology, D-40225 Dusseldorf, Germany, Univ Dusseldorf, Medical Faculty, Düsseldorf
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Buchbender C, Heusch P, Scherer A, Handschel J, Sproll C, Antoch G, Heusner TA. Diagnostische Genauigkeit der fusionierten PET/MRT und DWI/MRT für die Detektion von Halslymphknoten bei Patienten mit Kopf-/Halstumoren. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Kröpil P, Schimmöller L, Dietrich S, Heusch P, Aissa J, Antoch G, Lanzman RS. Evaluation einer automatischen Röhrenspannungsselektion in Kombination mit organspezifischer Dosisreduktion in der klinischen Thorax-CT. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Kröpil P, Heusch P, Schimmöller L, Miese F, Dietrich S, Antoch G, Lanzman RS. Automatische schwächungsbasierte Röhrenspannungsselektion in der Abdomen-CT: Einfluss auf Bildqualität und Dosis. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Lanzman RS, Wittsack HJ, Khalil N, Schmitt B, Heusch P, Oeltzschner G, Antoch G, Müller-Lutz A. Chemical exchange saturation transfer (CEST) MRT mit Iopamidol zur pH-Messungen bei 3T: Phantommessungen und erste in-vivo Messung. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Buchbender C, Heusch P, Hartung-Knemeyer V, Kühl H, Lauenstein TC, Forsting M, Bockisch A, Antoch G, Heusner TA. „Standardized uptake values“ von [18F]-FDG in gesunden Organen: Vergleich zwischen Ganzkörper PET/CT und PET/MRT. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Lanzman RS, Blondin D, Heusch P, Martirosian P, Aissa J, BIlk P, Zenginli H, Kröpil P, Antoch G, Wittsack HJ. Funktionelle Bildgebung von Transplantatnieren mittels Arterial Spin Labeling (ASL) MRT bei 1.5T und 3T: Ergebnisse bei 105 Patienten. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Beiderwellen K, Grüneisen J, Hartung-Knemeyer V, Heusch P, Kühl H, Bockisch A, Lauenstein TC, Umutlu L. Ganzkörper-PET/MRT mit 18F-FDG versus Ganzkörper-PET/CT in der Rezidivdiagnostik von gynäkologischen Tumoren des kleinen Beckens - erste Ergebnisse. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Aissa J, Blondin D, Schmitt P, Kröpil P, Heusch P, Klasen-Sansone J, Miese F, Antoch G, Lanzman RS. Kontrastmittel-freie, EKG-getriggerte Quiescent-Interval Single-Shot MR Angiografie (QISS-MRA) der Becken- und Beinarterien: Vergleich mit der Digitalen Subtraktionsangiografie (DSA). ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Lanzman RS, SChimmöller L, Heusch P, Dietrich S, Miese F, Aissa J, Heusner TA, Antoch G, Kröpil P. Einfluss von organspezifischer Dosisreduktion auf die Bildqualität der CT Angiografie der Kopf- und Halsgefäße. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Schek J, Kröpil P, Witte I, Heusch P, Klasen-Sansone J, Macht S, Antoch G, Lanzman RS. Prognostischer Stellenwert hyperdenser Nebennieren in der kontrastmittelverstärkten Polytrauma-CT. ROFO-FORTSCHR RONTG 2013. [DOI: 10.1055/s-0033-1346438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Schimmöller L, Lanzman RS, Heusch P, Dietrich S, Miese F, Aissa J, Heusner TA, Antoch G, Kröpil P. Impact of organ-specific dose reduction on the image quality of head and neck CT angiography. Eur Radiol 2013; 23:1503-9. [PMID: 23300039 DOI: 10.1007/s00330-012-2750-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Revised: 11/15/2012] [Accepted: 11/19/2012] [Indexed: 11/24/2022]
Abstract
OBJECTIVES Organ-specific dose reduction (OSDR) algorithms can reduce radiation on radiosensitive organs up to 59 %. This study evaluates the influence of a new OSDR algorithm on image quality of head and neck computed tomographic angiography (CTA) in clinical routine. METHODS Sixty-two consecutive patients (68 ± 13 years) were randomised into two groups and imaged using 128-row multidetector CT. Group A (n = 31) underwent conventional CTA and group B (n = 31) CTA with a novel OSDR algorithm. Subjective and objective image quality were statistically compared. Subjective image quality was rated on a five-point scale. Signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated with region-of-interest measurements. RESULTS The SNR of the common carotid artery and middle cerebral artery was 53.6 ± 22.7 and 43.3 ± 15.3 (group A) versus 54.1 ± 20.5 and 46.2 ± 14.6 (group B). The CNR was 40.0 ± 19.3 and 29.7 ± 12.0 (group A) compared with 40.7 ± 16.8 and 32.9 ± 10.9 (group B), respectively. Subjective image quality was excellent in both groups (mean score 4.4 ± 0.7 versus 4.4 ± 0.6). Differences between the two groups were not significant. CONCLUSIONS The novel OSDR algorithm does not compromise image quality of head and neck CTA. Its application can be recommended for CTA in clinical routine to protect the thyroid gland and ocular lenses from unnecessary high radiation. KEY POINTS • Organ-specific dose reduction (OSDR) can significantly reduce radiation exposure during CT • OSDR does not compromise image quality of head and neck CTA • OSDR can significantly lower the risk of radiation damage to sensitive organs • OSDR can easily be applied in routine clinical practice.
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Affiliation(s)
- L Schimmöller
- Department of Diagnostic and Interventional Radiology, University Dusseldorf, Medical Faculty, Moorenstrasse 5, 40225 Dusseldorf, Germany
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Kröpil P, Nagel HD, Bigdeli AH, Heusch P, Pentang G, Antoch G, Cohnen M. Objektive und subjektive Bildqualität bei verschiedenen Stufen iterativer Rekonstruktionen in der Niedrigdosis-Cardio-CT. ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0032-1311330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Lanzman RS, Ljimani A, Blondin D, Martirosian P, Zgoura P, Heusch P, Kröpil P, Miese FR, Antoch G, Wittsack HJ. Arterial Spin Labeling (ASL) Perfusionsbildgebung von Transplantatnieren bei 3T. ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0032-1311290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Lanzman RS, Blondin D, Quentin M, Schek J, Klasen J, Heusch P, Riegger C, Pentang G, Antoch G, Wittsack HJ. Zeitaufgelöste, EKG-getriggerte DWI der Nieren: Korrelation von Diffusionsparametern und renalem Blutfluss zu unterschiedlichen Zeitpunkten des Herzzyklus. ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0032-1311165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Heusch P, Kröpil P, Buchbender C, Heusner TA, Lanzman RS, Antoch G, Fürst G. Teilkörperdosis der Augenlinse des Untersuchers bei CT-gesteuerten Interventionen: erste Ergebnisse. ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0032-1311075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Buchbender C, Ostendorf B, Sewerin P, Miese FR, Heusch P, Haferkamp A, Brinks R, Schneider M, Antoch G, Scherer A. Rheumatoid Arthritis Magnetic Resonance Imaging Score (RAMRIS) der Hand versus kombiniertem Hand und Fuß-Score (RAMRIS-HF) für die Beurteilung des Therapieverlaufs von RA-Patienten. ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0032-1311152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Quentin M, Arsov C, Röhlen S, Klasen J, Heusch P, Lanzman RS, Antoch G, Albers P, Blondin D. Interobserver-Reliabilität beim funktionellen Prostata MRT: Evaluation eines Scoringsystems. ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0032-1311249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Scherer A, Kröpil P, Heusch P, Buchbender C, Sewerin P, Blondin D, Lanzman RS, Miese F, Ostendorf B, Bölke E, Mödder U, Antoch G. [Case-based interactive PACS learning: introduction of a new concept for radiological education of students]. Radiologe 2012; 51:969-70, 973-7. [PMID: 22033604 DOI: 10.1007/s00117-011-2241-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE Medical curricula are currently being reformed in order to establish superordinated learning objectives, including, e.g., diagnostic, therapeutic and preventive competences. This requires a shifting from traditional teaching methods towards interactive and case-based teaching concepts. Conceptions, initial experiences and student evaluations of a novel radiological course Co-operative Learning In Clinical Radiology (CLICR) are presented in this article. MATERIALS AND METHODS A novel radiological teaching course (CLICR course), which combines different innovative teaching elements, was established and integrated into the medical curriculum. Radiological case vignettes were created for three clinical teaching modules. By using a PC with PACS (Picture Archiving and Communication System) access, web-based databases and the CASUS platform, a problem-oriented, case-based and independent way of learning was supported as an adjunct to the well established radiological courses and lectures. Student evaluations of the novel CLICR course and the radiological block course were compared. RESULTS Student evaluations of the novel CLICR course were significantly better compared to the conventional radiological block course. Of the participating students 52% gave the highest rating for the novel CLICR course concerning the endpoint overall satisfaction as compared to 3% of students for the conventional block course. The innovative interactive concept of the course and the opportunity to use a web-based database were favorably accepted by the students. Of the students 95% rated the novel course concept as a substantial gain for the medical curriculum and 95% also commented that interactive working with the PACS and a web-based database (82%) promoted learning and understanding. CONCLUSION Interactive, case-based teaching concepts such as the presented CLICR course are considered by both students and teachers as useful extensions to the radiological course program. These concepts fit well into competence-oriented curricula.
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Affiliation(s)
- A Scherer
- Institut für Diagnostische und Interventionelle Radiologie, Heinrich-Heine-Universität, Moorenstr. 5, 40225, Düsseldorf, Deutschland
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Kröpil P, Nagel HD, Andersen K, Bigdeli AH, Heusch P, Pentang G, Antoch G, Cohnen M. Wie beeinflussen verschiedenen Stufen iterativer Rekonstruktionen die objektive und subjektive Bildqualität in der Niedrigdosis-Kardio-CT? ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0031-1300911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Scherer A, Blondin D, Kröpil P, Heusch P, Lanzman RS, Miese F, Sewerin P, Antoch G, Mödder U. C L I C R (Co-operative Learning In Clinical Radiology): Neue Wege in der studentischen Ausbildung im Fach Radiologie. ROFO-FORTSCHR RONTG 2011. [DOI: 10.1055/s-0031-1279649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Heusch P, Canton M, Aker S, van de Sand A, Konietzka I, Rassaf T, Menazza S, Brodde OE, Di Lisa F, Heusch G, Schulz R. The contribution of reactive oxygen species and p38 mitogen-activated protein kinase to myofilament oxidation and progression of heart failure in rabbits. Br J Pharmacol 2010; 160:1408-16. [PMID: 20590631 DOI: 10.1111/j.1476-5381.2010.00793.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND AND PURPOSE The formation of reactive oxygen species (ROS) is increased in heart failure (HF). However, the causal and mechanistic relationship of ROS formation with contractile dysfunction is not clear in detail. Therefore, ROS formation, myofibrillar protein oxidation and p38 MAP kinase activation were related to contractile function in failing rabbit hearts. EXPERIMENTAL APPROACH AND KEY RESULTS Three weeks of rapid left ventricular (LV) pacing reduced LV shortening fraction (SF, echocardiography) from 32 +/- 1% to 13 +/- 1%. ROS formation, as assessed by dihydroethidine staining, increased by 36 +/- 8% and was associated with increased tropomyosin oxidation, as reflected by dimer formation (dimer to monomer ratio increased 2.28 +/- 0.66-fold in HF vs. sham, P < 0.05). Apoptosis (TdT-mediated dUTP nick end labelling staining) increased more than 12-fold after 3 weeks of pacing when a significant increase in the phosphorylation of p38 MAP kinase and HSP27 was detected (Western blotting). Vitamins C and E abolished the increases in ROS formation and tropomyosin oxidation along with an improvement of LVSF (19 +/- 1%, P < 0.05 vs. untreated HF) and prevention of apoptosis, but without modifying p38 MAP kinase activation. Inhibition of p38 MAP kinase by SB281832 counteracted ROS formation, tropomyosin oxidation and contractile failure, without affecting apoptosis. CONCLUSIONS AND IMPLICATIONS Thus, p38 MAP kinase activation appears to be upstream rather than downstream of ROS, which impacts on LV function through myofibrillar oxidation. p38 MAP kinase inhibition is a potential target to prevent or treat HF.
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Affiliation(s)
- P Heusch
- Institute of Pathophysiology, University of Essen Medical School, Essen, Germany
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