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Article ; Online: Publication pressure in medical imaging.

Kwee, Robert M / Toxopeus, Romy / Kwee, Thomas C

2024 Volume 174, Page(s) 111404

Abstract: Purpose: To investigate the degree of perceived publication pressure in medical imaging.: Method: Corresponding authors who published an article in one of the top 12 general radiology journals were invited to complete a survey about publication ... ...

Abstract	Purpose: To investigate the degree of perceived publication pressure in medical imaging. Method: Corresponding authors who published an article in one of the top 12 general radiology journals were invited to complete a survey about publication pressure. The revised Publication Pressure Questionnaire (PPQr) was used. Higher PPQr scores (5-point Likert scale) indicate a more negative view towards the various domains of publication pressure. Results: 203 corresponding authors participated. Median PPQr scores in the domains "publication stress", "publication attitude", and "publication resources" were 3.33, 3.50, and 3.67, respectively. Age 25-34 years (β coefficient 0.366, P = 0.047), female gender (β coefficient 0.293, P = 0.020), and 5-10 years of research experience (β coefficient 0.370, P = 0.033) were associated with a higher level of perceived publication stress, whereas age ≥ 65 years was negatively associated with perceived publication stress (β coefficient -0.846, P < 0.001). Age 55-64 years and age > 65 years were associated with a more positive view towards the publication climate (β coefficients -0.391 and -0.663, P = 0.018 and P = 0.002, respectively). Age 45-54 years was associated with a perception of fewer factors available to alleviate publication pressure (β coefficient 0.301, P = 0.014), whereas age 25-34 years was associated with a perception of more factors available to alleviate publication pressure (β coefficient -0.352, P = 0.012). Conclusion: Perceived publication pressure among medical imaging researchers appears to be appreciable and is associated with several (academic) demographics.
MeSH term(s)	Humans ; Female ; Adult ; Aged ; Middle Aged ; Surveys and Questionnaires ; Health Personnel ; Radiography ; Diagnostic Imaging ; Radiology
Language	English
Publishing date	2024-03-02
Publishing country	Ireland
Document type	Journal Article
ZDB-ID	138815-0
ISSN	1872-7727 ; 0720-048X
ISSN (online)	1872-7727
ISSN	0720-048X
DOI	10.1016/j.ejrad.2024.111404
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Article ; Online: Assessing Authorship Rates over Time in Original Radiologic Research Publications.

Kanaan, Razan / Kwee, Thomas C / Roest, Christian / Kwee, Robert M

Radiology

2024 Volume 310, Issue 3, Page(s) e231972

Abstract: Background Previous studies have shown an increase in the number of authors on radiologic articles between 1950 and 2013, but the cause is unclear. Purpose To determine whether authorship rate in radiologic and general medical literature has continued to ...

Abstract	Background Previous studies have shown an increase in the number of authors on radiologic articles between 1950 and 2013, but the cause is unclear. Purpose To determine whether authorship rate in radiologic and general medical literature has continued to increase and to assess study variables associated with increased author numbers. Materials and Methods PubMed/Medline was searched for articles published between January 1998 and October 2022 in general radiology and general medical journals with the top five highest current impact factors. Generalized linear regression analysis was used to calculate adjusted incidence rate ratios (IRRs) for the numbers of authors. Wald tests assessed the associations between study variables and the numbers of authors per article. Combined mixed-effects regression analysis was performed to compare general medicine and radiology journals. Results There were 3381 original radiologic research articles that were analyzed. Authorship rate increased between 1998 (median, six authors; IQR, 4) and 2022 (median, 11 authors; IQR, 8). Later publication year was associated with more authors per article (IRR, 1.02; 95% CI: 1.01, 1.02;
MeSH term(s)	Humans ; Authorship ; Radiology ; General Practice ; Research Design
Language	English
Publishing date	2024-03-12
Publishing country	United States
Document type	Multicenter Study ; Journal Article
ZDB-ID	80324-8
ISSN	1527-1315 ; 0033-8419
ISSN (online)	1527-1315
ISSN	0033-8419
DOI	10.1148/radiol.231972
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Article ; Online: Which factors are associated with fraud in medical imaging research?

Kwee, Thomas C / Almaghrabi, Maan T / Kwee, Robert M

European journal of radiology

2023 Volume 164, Page(s) 110884

Abstract: ... 156, respectively (Nagelkerke R: Conclusions: Fraud in medical imaging research appears to be more ...

Abstract	Purpose: To investigate the determinants of fraud in medical imaging research. Method: This study analyzed aggregated survey data on scientific integrity completed by 877 corresponding authors who published in imaging journals in 2021. Multivariate regression analyses were performed to determine the association of scientific fraud with the following variables: survey participants' age (<18, 18-24, 25-34, 35-44, 45-54, 55-64, or > 65 years), gender (male, female, or other), Corruption Perceptions Index (CPI) of their country of work (linear 0-100 scale), academic degree (medical doctor or other), academic position (none, fellow/resident, instructor/ lecturer, assistant professor, associate professor, full professor, or other), and years of research experience (<5, 5-10, or > 10 years). Results: Thirty-seven survey participants (4.2%) indicated they had committed scientific fraud in the past 5 years, and 223 (25.4%) indicated they had witnessed or suspected scientific fraud by departmental colleagues in the past 5 years. Instructors/lecturers were significantly more likely (P = 0.029) and fellows/residents were nearly significantly more likely (P = 0.050) to have committed scientific fraud, with odds ratios (ORs) of 4.954 and 5.156, respectively (Nagelkerke R Conclusions: Fraud in medical imaging research appears to be more common among junior faculty and in more corrupt countries.
MeSH term(s)	Humans ; Male ; Female ; Aged ; Fraud ; Scientific Misconduct ; Diagnostic Imaging ; Radiography ; Surveys and Questionnaires
Language	English
Publishing date	2023-05-19
Publishing country	Ireland
Document type	Journal Article
ZDB-ID	138815-0
ISSN	1872-7727 ; 0720-048X
ISSN (online)	1872-7727
ISSN	0720-048X
DOI	10.1016/j.ejrad.2023.110884
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Article ; Online: Reply.

Kwee, R M

AJNR. American journal of neuroradiology

2020 Volume 41, Issue 11, Page(s) E88

MeSH term(s)	Betacoronavirus ; COVID-19 ; Coronavirus Infections ; Craniocerebral Trauma ; Humans ; Infections ; Pandemics ; Pneumonia, Viral ; SARS-CoV-2 ; Stroke ; Tomography, X-Ray Computed
Keywords	covid19
Language	English
Publishing date	2020-08-13
Publishing country	United States
Document type	Journal Article ; Comment
ZDB-ID	603808-6
ISSN	1936-959X ; 0195-6108
ISSN (online)	1936-959X
ISSN	0195-6108
DOI	10.3174/ajnr.A6787
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Article ; Online: Reply

Fasen, B A / Kwee, R M

AJNR. American journal of neuroradiology

2020 Volume 41, Issue 9, Page(s) E75

MeSH term(s)	Brain Ischemia ; Computed Tomography Angiography ; Diagnostic Errors ; Humans ; Stroke
Language	English
Publishing date	2020-07-09
Publishing country	United States
Document type	Journal Article ; Comment
ZDB-ID	603808-6
ISSN	1936-959X ; 0195-6108
ISSN (online)	1936-959X
ISSN	0195-6108
DOI	10.3174/ajnr.A6700
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Article ; Online: Peesruptuur na injectie van corticosteroïden in ganglioncyste.

Hameleers, Amber / Walbeehm, Ralf / Kwee, Robert M / Samijo, Steven K

Nederlands tijdschrift voor geneeskunde

2023 Volume 167

Abstract: Background: Although corticosteroid injections are frequently used in practice to treat tendinopathies, there are many adverse effects.: Case description: A 62-year-old woman received an aspiration and corticosteroid injection of a ganglion on the ... ...

Title translation	Rupture of the flexor carpi radialis tendon after corticosteroid injection of a ganglion cyst.
Abstract	Background: Although corticosteroid injections are frequently used in practice to treat tendinopathies, there are many adverse effects. Case description: A 62-year-old woman received an aspiration and corticosteroid injection of a ganglion on the volar side of the left wrist. A few weeks later, she presented with severe pain and loss of function of the left wrist. On physical examination, here was a notable swelling with hematoma formation, along the course of the flexor carpi radialis. An MRI confirmed complete rupture of the flexor carpi radialis (FCR) tendon. She was treated non operatively with analgesics and a protective brace. During final check-up minimal loss of function was seen. Conclusion: Cautiousness and judicious restraint are imperative when considering corticosteroid infiltrations targeting a volar ganglion at the level of the FCR. Aspiration combined with corticosteroid infiltration is not recommended for patients exhibiting (subclinical) STT-/CMC-1 osteoarthritis, as it may cause FCR tendon ruptures.
MeSH term(s)	Female ; Humans ; Middle Aged ; Wrist ; Ganglion Cysts/surgery ; Tendons ; Rupture ; Adrenal Cortex Hormones/adverse effects
Chemical Substances	Adrenal Cortex Hormones
Language	Dutch
Publishing date	2023-11-01
Publishing country	Netherlands
Document type	Case Reports ; English Abstract ; Journal Article
ZDB-ID	82073-8
ISSN	1876-8784 ; 0028-2162
ISSN (online)	1876-8784
ISSN	0028-2162
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Article: Workload for radiologists during on-call hours: dramatic increase in the past 15 years.

Bruls, R J M / Kwee, R M

Insights into imaging

2020 Volume 11, Issue 1, Page(s) 121

Abstract: ... hours (weekdays between 6.00 p.m. and 7.00 a.m., weekends, and national holidays) between 2006 and 2020 ...

Abstract	Background: The objective of this study is to investigate the workload for radiologists during on-call hours and to quantify the 15-year trend in a large general hospital in Western Europe. Methods: Data regarding the number of X-ray, ultrasound and computed tomography (CT) studies during on-call hours (weekdays between 6.00 p.m. and 7.00 a.m., weekends, and national holidays) between 2006 and 2020 were extracted from the picture archiving and communication system. All studies were converted into relative value units (RVUs) to estimate the on-call workload. The Mann-Kendall test was performed to assess the temporal trend. Results: The total RVUs during on-call hours showed a significant increase between 2006 and 2020 (Kendall's tau-b = 0.657, p = 0.001). The overall workload in terms of RVUs during on-call hours has quadrupled. The number of X-ray studies significantly decreased (Kendall's tau-b = - 0.433, p = 0.026), whereas the number of CT studies significantly increased (Kendall's tau-b = 0.875, p < 0.001) between 2006 and 2020. CT studies which increased by more than 500% between 2006 and 2020 are CT for head trauma, brain CTA, brain CTV, chest CT (for suspected pulmonary embolism), spinal CT, neck CT, pelvic CT, and CT for suspected aortic dissection. The number of ultrasound studies did not change significantly (Kendall's tau-b = 0.202, p = 0.298). Conclusions: The workload for radiologists during on-call hours increased dramatically in the past 15 years. The growing amount of CT studies is responsible for this increase. Radiologist and technician workforce should be matched to this ongoing increasing trend to avoid potential burn-out and to maintain quality and safety of radiological care.
Language	English
Publishing date	2020-11-23
Publishing country	Germany
Document type	Journal Article
ZDB-ID	2543323-4
ISSN	1869-4101
ISSN	1869-4101
DOI	10.1186/s13244-020-00925-z
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Article ; Online: Time to Reconsider Routine Percutaneous Biopsy in Spondylodiscitis?

Kasalak, Ö / Wouthuyzen-Bakker, M / Dierckx, R A J O / Jutte, P C / Kwee, T C

AJNR. American journal of neuroradiology

2021 Volume 42, Issue 4, Page(s) 627–631

Abstract: Percutaneous image-guided biopsy currently has a central role in the diagnostic work-up of patients with suspected spondylodiscitis. However, on the basis of recent evidence, the value of routine image-guided biopsy in this disease can be challenged. In ... ...

Abstract	Percutaneous image-guided biopsy currently has a central role in the diagnostic work-up of patients with suspected spondylodiscitis. However, on the basis of recent evidence, the value of routine image-guided biopsy in this disease can be challenged. In this article, we discuss this recent evidence and also share a new diagnostic algorithm for spondylodiscitis that was recently introduced at our institution. Thus, we may move from a rather dogmatic approach in which routine image-guided biopsy is performed in any case to a more individualized use of this procedure.
MeSH term(s)	Discitis/diagnostic imaging ; Humans ; Image-Guided Biopsy ; Retrospective Studies ; Tomography, X-Ray Computed
Language	English
Publishing date	2021-02-04
Publishing country	United States
Document type	Journal Article
ZDB-ID	603808-6
ISSN	1936-959X ; 0195-6108
ISSN (online)	1936-959X
ISSN	0195-6108
DOI	10.3174/ajnr.A6994
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Article ; Online: Computer 3D modeling of radiofrequency ablation of atypical cartilaginous tumours in long bones using finite element methods and real patient anatomy.

Rivas Loya, Ricardo / Jutte, Paul C / Kwee, Thomas C / van Ooijen, Peter M A

European radiology experimental

2022 Volume 6, Issue 1, Page(s) 21

Abstract: Background: Radiofrequency ablation (RFA) is a minimally invasive technique used for the treatment of neoplasms, with a growing interest in the treatment of bone tumours. However, the lack of data concerning the size of the resulting ablation zones in ... ...

Abstract	Background: Radiofrequency ablation (RFA) is a minimally invasive technique used for the treatment of neoplasms, with a growing interest in the treatment of bone tumours. However, the lack of data concerning the size of the resulting ablation zones in RFA of bone tumours makes prospective planning challenging, needed for safe and effective treatment. Methods: Using retrospective computed tomography and magnetic resonance imaging data from patients treated with RFA of atypical cartilaginous tumours (ACTs), the bone, tumours, and final position of the RFA electrode were segmented from the medical images and used in finite element models to simulate RFA. Tissue parameters were optimised, and boundary conditions were defined to mimic the clinical scenario. The resulting ablation diameters from postoperative images were then measured and compared to the ones from the simulations, and the error between them was calculated. Results: Seven cases had all the information required to create the finite element models. The resulting median error (in all three directions) was -1 mm, with interquartile ranges from -3 to 3 mm. The three-dimensional models showed that the thermal damage concentrates close to the cortical wall in the first minutes and then becomes more evenly distributed. Conclusions: Computer simulations can predict the ablation diameters with acceptable accuracy and may thus be utilised for patient planning. This could allow interventional radiologists to accurately define the time, electrode length, and position required to treat ACTs with RFA and make adjustments as needed to guarantee total tumour destruction while sparing as much healthy tissue as possible.
MeSH term(s)	Bone Neoplasms/diagnostic imaging ; Bone Neoplasms/surgery ; Computer Simulation ; Computers ; Finite Element Analysis ; Humans ; Prospective Studies ; Radiofrequency Ablation ; Retrospective Studies
Language	English
Publishing date	2022-04-28
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	2509-9280
ISSN (online)	2509-9280
DOI	10.1186/s41747-022-00271-3
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Recommendations in Second Opinion Reports of Neurologic Head and Neck Imaging: Frequency, Referring Clinicians' Compliance, and Diagnostic Yield.

Heinz, S A / Yakar, D / Dierckx, R A J O / Lamers, M J / Kwee, T C

AJNR. American journal of neuroradiology

2021 Volume 42, Issue 9, Page(s) 1676–1682

Abstract: Background and purpose: Second opinion reports of neurologic head and neck imaging are requested with increased regularity, and they may contain a recommendation to the clinician. Our aim was to investigate the frequency and determinants of the presence ...

Abstract	Background and purpose: Second opinion reports of neurologic head and neck imaging are requested with increased regularity, and they may contain a recommendation to the clinician. Our aim was to investigate the frequency and determinants of the presence of a recommendation and the adherence by the referring physician to the recommendation in a second opinion neurology head and neck imaging report and the diagnostic yield of these recommendations. Materials and methods: This retrospective study included 994 consecutive second opinion reports of neurology head and neck imaging examinations performed at a tertiary care center. Results: Of the 994 second opinion reports, 12.2% (121/994) contained a recommendation. An oncologic imaging indication was significantly ( Conclusions: Recommendations are relatively common in second opinion reports of neurology head and neck imaging examinations, though less for oncologic indications. They are mostly followed by requesting physicians, thus affecting patient management. In most cases, they also lead to the establishment of a diagnosis, hence adding value to patient care.
MeSH term(s)	Humans ; Physicians ; Radiologists ; Referral and Consultation ; Retrospective Studies
Language	English
Publishing date	2021-07-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	603808-6
ISSN	1936-959X ; 0195-6108
ISSN (online)	1936-959X
ISSN	0195-6108
DOI	10.3174/ajnr.A7197
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