Výsledky vyhledávání - "C. Hagelstein"

Akademický článek

Comparison of organ-specific-radiation dose levels between 70 kVp perfusion CT and standard tri-phasic liver CT in patients with hepatocellular carcinoma using a Monte-Carlo-Simulation-based analysis platform

Autor: J. Gawlitza, H. Haubenreisser, M. Meyer, C. Hagelstein, S. Sudarski, S.O. Schoenberg, T. Henzler

Publikováno v: European Journal of Radiology Open, Vol 3, Iss , Pp 95-99 (2016)

Purpose: The aim of this study was to systematically compare organ-specific-radiation dose levels between a radiation dose optimized perfusion CT (dVPCT) protocol of the liver and a tri-phasic standard CT protocol of the liver using a Monte-Carlo-Sim

Externí odkaz: https://doaj.org/article/9dc6a87c323a493cbabbee87af21312f

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Radiation Dose Comparison Between 70 kVp and 100 kVp With Spectral Beam Shaping for Non–Contrast-Enhanced Pediatric Chest Computed Tomography

Autor: Stefan O. Schoenberg, K. Wolfgang Neff, Meike Weis, Holger Haubenreisser, Mathias Meyer, C Hagelstein, Thomas Henzler, John W. Nance, Sonja Sudarski

Publikováno v: Investigative Radiology. 52:155-162

OBJECTIVE The aim of this prospective randomized controlled study was to compare 2 techniques for radiation dose reduction in non-contrast-enhanced pediatric chest computed tomography (CT): low peak kilovoltage imaging at 70 kVp and spectral beam sha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::082fc4441b1857dd1c25b5b9af7a4295
https://doi.org/10.1097/rli.0000000000000325

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Ultra-high pitch chest computed tomography at 70 kVp tube voltage in an anthropomorphic pediatric phantom and non-sedated pediatric patients: Initial experience with 3rd generation dual-source CT

Autor: K. Wolfgang Neff, C Hagelstein, Mathias Meyer, Stefan O. Schoenberg, Holger Haubenreisser, Meike Weis, Sonja Sudarski, Thomas Henzler

Publikováno v: Zeitschrift für Medizinische Physik. 26:349-361

Purpose Minimizing radiation dose while at the same time preserving image quality is of particular importance in pediatric chest CT. Very recently, CT imaging with a tube voltage of 70 kVp has become clinically available. However, image noise is inve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51eaf9f789920b643cb109ca94452c87
https://doi.org/10.1016/j.zemedi.2015.11.002

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Separate Evaluation of the Ipsilateral and Contralateral MR Fetal Lung Volume in Patients With Congenital Diaphragmatic Hernia

Autor: C Hagelstein, Thomas Schaible, Christel Weiss, Stefan O. Schoenberg, Meike Weis, K. Wolfgang Neff, Stefan Burger-Scheidlin

Publikováno v: American Journal of Roentgenology. 207:415-423

Our study had two objectives. First, we separately evaluated observed-to-expected MR fetal lung volume (FLV) of lungs ipsilateral and contralateral to a congenital diaphragmatic hernia (CDH). Second, we compared the prognostic value of observed-to-ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e81dfda1fbfea446e524174b450ce9ba
https://doi.org/10.2214/ajr.15.15114

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Lung Perfusion MRI After Congenital Diaphragmatic Hernia Repair in 2-Year-Old Children With and Without Extracorporeal Membrane Oxygenation Therapy

Autor: Katrin Zahn, K. Wolfgang Neff, Frank G. Zoellner, Stefan O. Schoenberg, Meike Weis, C Hagelstein, Thomas Schaible

Publikováno v: American Journal of Roentgenology. 206:1315-1320

In severe cases of congenital diaphragmatic hernia (CDH), extracorporeal membrane oxygenation (ECMO) therapy improves survival. Later on, lung morbidity mainly defines development. The purpose of this study was to investigate whether 2-year-old child

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbe408c44b91ffad2b4cc375aba2f75b
https://doi.org/10.2214/ajr.15.14860

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Correlation of Observed-to-Expected MRI Fetal Lung Volume and Ultrasound Lung-to-Head Ratio at Different Gestational Times in Fetuses With Congenital Diaphragmatic Hernia

Autor: Thomas Schaible, K. Wolfgang Neff, Christel Weiss, Meike Weis, Sven Kehl, Katrin E Kastenholz, C Hagelstein

Publikováno v: American Journal of Roentgenology. 206:856-866

The purpose of this study is to compare the observed-to-expected MRI fetal lung volume and the observed-to-expected ultrasound lung-to-head ratio intraindividually for prediction of survival, the need for extracorporeal membrane oxygenation (ECMO) th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e87802ae5584e97882fc08a8ac0d47b
https://doi.org/10.2214/ajr.15.15018

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Autor: Sonja Sudarski, Holger Haubenreisser, C Hagelstein, Thomas Henzler, Stefan O. Schoenberg, Mathias Meyer, Joshua Gawlitza

Publikováno v: European Journal of Radiology Open, Vol 3, Iss, Pp 95-99 (2016)
European Journal of Radiology Open

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0933336b9eedd5145b77024b445a8e18
http://www.sciencedirect.com/science/article/pii/S2352047716300119

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Comparison of image quality and radiation dose between an image-intensifier system and a newer-generation flat-panel detector system — technical phantom measurements and evaluation of clinical imaging in children

Autor: Theo Diehm, K. Wolfgang Neff, Stefan O. Schoenberg, Meike Weis, C Hagelstein

Publikováno v: Pediatric Radiology. 46:286-292

Many image-intensifier fluoroscopy systems have been replaced by flat-panel detectors in recent years. To compare the level of contrast, image resolution and radiation dose between an image-intensifier and a newer-generation flat-panel detector syste

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::befe642657541bee0045ee54f9d08181
https://doi.org/10.1007/s00247-015-3456-z

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MRI-Based Ratio of Fetal Lung Volume to Fetal Body Volume as a New Prognostic Marker in Congenital Diaphragmatic Hernia

Autor: Stefan O. Schoenberg, C Hagelstein, Sven Kehl, K. Wolfgang Neff, Anna Walleyo, Thomas Schaible, M Weidner, KA Büsing, Angelika Debus, Christel Weiss

Publikováno v: American Journal of Roentgenology. 202:1330-1336

The objective of our study was to evaluate the prognostic accuracy of the MRI-based ratio of fetal lung volume (FLV) to fetal body volume (FBV) for predicting survival and the need for extracorporeal membrane oxygenation (ECMO) therapy in fetuses wit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e877bc7a84678b5abae107fe7f465b17
https://doi.org/10.2214/ajr.13.11023

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Repetitive MR measurements of lung volume in fetuses with congenital diaphragmatic hernia: individual development of pulmonary hypoplasia during pregnancy and calculation of weekly lung growth rates

Autor: Sven Kehl, M Weidner, C Hagelstein, Angelika Debus, A. Kristina Kilian, Thomas Schaible, K. Wolfgang Neff, Anna Walleyo, KA Büsing, Stefan O. Schoenberg

Publikováno v: European Radiology. 24:312-319

To investigate individual changes in fetal lung volume (FLV) in fetuses with isolated congenital diaphragmatic hernia (CDH) and to calculate weekly growth rates of the FLV using serial MR examinations during pregnancy.MR-FLV was measured in 89 fetuse

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f9fc02307e0aa60883666895d777b30
https://doi.org/10.1007/s00330-013-3011-y

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