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Author Christian Paetzel

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Risk to Radiology Staff for Occupational COVID-19 Infection in a High-Risk and a Low-Risk Region in Germany: Lessons from the "First Wave".

Thomas Finkenzeller, Stephan Lenhart, Mark Reinwald, Stefan Lüth, Lena Marie Dendl, Christian Paetzel, Natasza Szczypien, Frank Klawonn, Alexander Von Meyer, Andreas G Schreyer,

<h4>Purpose</h4>The recent COVID-19 pandemic has resulted in an increasing overload of the medical system. Healthcare workers (HCW) in radiology departments are exposed to a high infection risk similar to HCWs in the ICU or dedicated COVID wards. The goal of our paper is to evaluate the prevalence of IgG antibody ... Read more >>

Rofo (RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin)
[2021, 193(5):537-543]

Cited: 0 times

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The 24-Month Results of the Lutonix Global SFA Registry: Worldwide Experience With Lutonix Drug-Coated Balloon.

Marcus Thieme, Peter Von Bilderling, Christian Paetzel, Dimitrios Karnabatidis, Julio Perez Delgado, Michael Lichtenberg, ,

<h4>Objectives</h4>The Global SFA Registry sought to assess safety, clinical benefit, and outcomes of the Lutonix 035 drug-coated balloon (DCB) in a heterogeneous, real-world patient population at 12 and 24 months.<h4>Background</h4>Numerous clinical studies have evaluated the use of angioplasty for revascularization of femoropopliteal arteries in peripheral arterial disease with restenosis rates ... Read more >>

JACC Cardiovasc Interv (JACC. Cardiovascular interventions)
[2017, 10(16):1682-1690]

Cited: 24 times

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Dynamic magnetic resonance defecography in 10 asymptomatic volunteers.

Andreas G Schreyer, Christian Paetzel, Alois Fürst, Lena M Dendl, Elisabeth Hutzel, René Müller-Wille, Philipp Wiggermann, Stephan Schleder, Christian Stroszczynski, Patrick Hoffstetter,

<h4>Aim</h4>Evaluation of the wide range of normal findings in asymptomatic women undergoing dynamic magnetic resonance (MR) defecography.<h4>Methods</h4>MR defecography of 10 healthy female volunteers (median age: 31 years) without previous pregnancies or history of surgery were evaluated. The rectum was filled with 180 mL gadolinium ultrasound gel mixture. MR defecography was ... Read more >>

World J Gastroenterol (World journal of gastroenterology)
[2012, 18(46):6836-6842]

Cited: 19 times

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MISAGO 2: one-year outcomes after implantation of the Misago self-expanding nitinol stent in the superficial femoral and popliteal arteries of 744 patients.

Karl-Ludwig Schulte, Ivan Kralj, Hans Martin Gissler, Luis Alberto Bagnaschino, Ivo Buschmann, Jean-Marc Pernès, Patrick Haage, Peter Goverde, Jean-Paul Beregi, Martin Válka, Jaroslav Boudny, Thomas Geibel, Marek Velkoborsky, Markus Zähringer, Christian Paetzel, Fabrizio Fanelli, Stefan Müller-Hülsbeck, Thomas Zeller, Ralf Langhoff,

<h4>Purpose</h4>To evaluate the safety and efficacy of the Misago self-expanding rapid-exchange nitinol stent system for the treatment of femoropopliteal occlusive disease in a prospective multicenter observational trial (ClinicalTrials.gov; identifier NCT01118117).<h4>Methods</h4>Between April and October 2008, the registry enrolled 744 patients (496 men; 69 ± 10 years) who had symptomatic ≥ 70% ... Read more >>

J Endovasc Ther (Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists)
[2012, 19(6):774-784]

Cited: 24 times

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Novel application of T1-weighted BLADE sequences with fat suppression compared to TSE in contrast-enhanced T1-weighted imaging of the neck: cutting-edge images?

Thomas Finkenzeller, Niels Zorger, Thomas Kühnel, Christian Paetzel, Gerhard Schuierer, Christian Stroszczynski, Claudia Fellner,

<h4>Purpose</h4>To evaluate if the use of BLADE sequences might overcome some limitations of magnetic resonance imaging (MRI) in the extracranial head and neck, which is a diagnostically challenging area with a variety of artifacts and a broad spectrum of potential lesions.<h4>Materials and methods</h4>After informed consent and Institutional Review Board approval, ... Read more >>

J Magn Reson Imaging (Journal of magnetic resonance imaging : JMRI)
[2013, 37(3):660-668]

Cited: 5 times

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Mesenteric histiocytosis or only an inflammatory infiltration of histiocytes? A case report from a surgical point of view.

Florian Höhler, Karl-Heinz Dietl, Karel Novak, Joachim Giedl, Christian Paetzel,

The mesenteric sclerosing processes are very rare tumors. There are only a few cases of mesenteric fibromatosis described in literature. A case of mesenteric histiocytosis or a mesenteric infiltration by histocytes as a reactive inflammatory process is not described in the surgical literature. Because of its clinical and macroscopic similarity ... Read more >>

Int Surg (International surgery)
[2012, 97(3):260-265]

Cited: 0 times

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Superselective arterial embolisation with a liquid polyvinyl alcohol copolymer in patients with acute gastrointestinal haemorrhage.

Markus Lenhart, Christian Paetzel, Michael Sackmann, Hans Schneider, Ernst Michael Jung, Andreas G Schreyer, Stefan Feuerbach, Niels Zorger,

<h4>Objectives</h4>To evaluate the results of emergency embolisation in acute arterial bleeding of the gastrointestinal tract with a liquid polyvinyl alcohol copolymer from two centres.<h4>Methods</h4>We retrospectively analysed 16 cases (15 patients) of acute arterial bleeding of the gastrointestinal tract where emergency embolotherapy was performed by using the copolymer when acute haemorrhage ... Read more >>

Eur Radiol (European radiology)
[2010, 20(8):1994-1999]

Cited: 25 times

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[Symptomatic pericardial cyst].

Oliver Rasp, Christian Paetzel, Walter Eichinger, Robert H G Schwinger,

Med Klin (Munich) (Medizinische Klinik (Munich, Germany : 1983))
[2010, 105(6):437-438]

Cited: 0 times

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In vivo evaluation of patency and in-stent stenoses after implantation of nitinol stents in iliac arteries using MR angiography.

Okka W Hamer, Thomas Finkenzeller, Ingitha Borisch, Christian Paetzel, Niels Zorger, Stefan Feuerbach, Wolfgang Nitz,

<h4>Objective</h4>Our study was a prospective in vivo study to evaluate whether MR angiography is suitable for assessing stent patency and grading in-stent stenoses and to examine whether the accuracy of MR angiography changes with time after stent implantation.<h4>Subjects and methods</h4>In a prospective study, 34 iliac stenoses in 27 patients were ... Read more >>

AJR Am J Roentgenol (AJR. American journal of roentgenology)
[2005, 185(5):1282-1288]

Cited: 11 times

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Endovascular repair of proximal endograft collapse after treatment for thoracic aortic disease.

Markus G M Steinbauer, Alexander Stehr, Karin Pfister, Thomas Herold, Niels Zorger, Ingolf Töpel, Christian Paetzel, Piotr M Kasprzak,

We report two cases of proximal endograft collapse with an almost complete aortic occlusion after endovascular tube-graft treatment of thoracic aortic disease (thoracic aneurysm after a type B dissection, traumatic blunt aortic rupture) using the TAG Gore system. Oversizing of endografts is known to cause this complication. In our two ... Read more >>

J Vasc Surg (Journal of vascular surgery)
[2006, 43(3):609-612]

Cited: 78 times

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Indirect MR arthrography of the shoulder: use of abduction and external rotation to detect full- and partial-thickness tears of the supraspinatus tendon.

Thomas Herold, Maike Bachthaler, Okka W Hamer, Reiner Hente, Stefan Feuerbach, Claudia Fellner, Michael Strotzer, Markus Lenhart, Christian Paetzel,

<h4>Purpose</h4>To evaluate prospectively the accuracy of indirect magnetic resonance (MR) arthrography for supraspinatus tendon tears during neutral positioning or abduction and external rotation (ABER) and neutral positioning.<h4>Materials and methods</h4>Informed consent was obtained in all patients, and the study was approved by the institutional review board. Indirect MR arthrography of the ... Read more >>

Radiology (Radiology)
[2006, 240(1):152-160]

Cited: 24 times

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Sonographic evaluation of the elbow in rheumatoid arthritis: a classification of joint destruction.

Klaus Lerch, Nicola Borisch, Christian Paetzel, Joachim Grifka, Wolfgang Hartung,

The purpose of this study was to evaluate and classify sonographically the joint damage of the elbow in patients with rheumatoid arthritis. Standardized sonography of the elbow joint was performed in patients with rheumatoid arthritis between 1998 and 2002; from 2000 onwards in a controlled and prospective study. A grading ... Read more >>

Ultrasound Med Biol (Ultrasound in medicine & biology)
[2003, 29(8):1131-1135]

Cited: 5 times

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Intraarterial gadolinium-enhanced MR angiography in humans for the detection of infrainguinal arterial stenoses before and after percutaneous angioplasty.

Niels Zorger, Markus Volk, Okka W Hamer, Markus Lenhart, Johannes Seitz, Bernhard Butz, Christian Paetzel,

<h4>Objective</h4>The objectives of this study were to show the feasibility of intraarterial MR angiography of the infrainguinal arteries and to compare the accuracy of intraarterial MR angiography with selective intraarterial digital subtraction angiography for the detection of stenoses before and after percutaneous balloon angioplasty.<h4>Subjects and methods</h4>Fifteen patients underwent digital subtraction ... Read more >>

AJR Am J Roentgenol (AJR. American journal of roentgenology)
[2005, 185(4):867-872]

Cited: 5 times

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Corrosion of tungsten coils after peripheral vascular embolization therapy: influence on outcome and tungsten load.

Maike Bachthaler, Markus Lenhart, Christian Paetzel, Stefan Feuerbach, Johann Link, Christoph Manke,

The purpose of this study was to evaluate coil corrosion and the long-term outcome after peripheral vascular embolization therapy performed with tungsten coils. We studied 14 patients who received tungsten coils on an average of 26 months prior to follow-up. The protocol included plain radiography and contrast-enhanced magnetic resonance angiography ... Read more >>

Catheter Cardiovasc Interv (Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions)
[2004, 62(3):380-384]

Cited: 8 times

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Position of the acetabular cup -- accuracy of radiographic calculation compared to CT-based measurement.

Thomas Kalteis, Martin Handel, Thomas Herold, Lars Perlick, Christian Paetzel, Joachim Grifka,

<h4>Objective</h4>A variety of mathematical and trigonometric methods has been described for determining the position of the acetabular cups from conventional radiographs. However, these formulae are subject to unduly large inaccuracies. The aim of the study was to compare the reliability and the accuracy of radiological and CT-based determination of acetabular ... Read more >>

Eur J Radiol (European journal of radiology)
[2006, 58(2):294-300]

Cited: 92 times

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Planimetry of mitral valve stenosis by magnetic resonance imaging.

Behrus Djavidani, Kurt Debl, Markus Lenhart, Johannes Seitz, Christian Paetzel, Franz X Schmid, Wolfgang R Nitz, Stefan Feuerbach, Günter Riegger, Andreas Luchner,

<h4>Objectives</h4>We sought to determine whether noninvasive planimetry of the mitral valve area (MVA) by magnetic resonance imaging (MRI) is feasible and reliable in patients with mitral stenosis (MS).<h4>Background</h4>Accurate assessment of MVA is particularly important for the management of patients with valvular stenosis. Current standard techniques for assessing the severity of ... Read more >>

J Am Coll Cardiol (Journal of the American College of Cardiology)
[2005, 45(12):2048-2053]

Cited: 34 times

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Magnetic resonance-guided percutaneous angioplasty of femoral and popliteal artery stenoses using real-time imaging and intra-arterial contrast-enhanced magnetic resonance angiography.

Christian Paetzel, Niels Zorger, Maike Bachthaler, Okka W Hamer, Alexander Stehr, Stefan Feuerbach, Markus Lenhart, Markus Völk, Thomas Herold, Piotr Kasprzak, Wolfgang R Nitz,

<h4>Objective</h4>The aim of this study was to demonstrate the possibility of performing magnetic resonance (MR)-guided interventional therapy for femoral and popliteal artery stenoses with commercially available materials supported by MR real-time imaging and intra-arterial MR angiography.<h4>Materials and methods</h4>A total of 15 patients suffering from symptomatic arterial occlusive disease of the ... Read more >>

Invest Radiol (Investigative radiology)
[2005, 40(5):257-262]

Cited: 33 times

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Intraarterial contrast material-enhanced magnetic resonance angiography of the aortoiliac system.

Christian Paetzel, Niels Zorger, Johannes Seitz, Markus Völk, Wolfgang R Nitz, Thomas Herold, Stefan Feuerbach, Markus Lenhart,

In a period of 4 months, 10 patients were examined prospectively with intraarterial magnetic resonance (MR) angiography after digital subtraction angiography. Intraarterial MR angiography was performed with use of a 1.5-T MR imaging system. Contrast agent (gadodiamide) was injected with a conventional angiography catheter placed in the proximal abdominal aorta. ... Read more >>

J Vasc Interv Radiol (Journal of vascular and interventional radiology : JVIR)
[2004, 15(9):981-984]

Cited: 9 times

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Contrast-enhanced magnetic resonance angiography of the carotid arteries: influence of injection rates and volumes on arterial-venous transit time.

Thomas Herold, Christian Paetzel, Markus Völk, Maike Bachthaler, Niels Zorger, Stefan Feuerbach, Michael Strotzer, Markus Lenhart,

<h4>Rationale and objectives</h4>To assess the influence of injection rates and volumes on the arrival time of contrast material (CM) in the common carotid artery, the jugular vein and the resulting arterial-venous transit time. Additionally the relationship between injection parameters and the extent of a CM plateau was evaluated.<h4>Materials and methods</h4>In ... Read more >>

Invest Radiol (Investigative radiology)
[2004, 39(2):65-72]

Cited: 9 times

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Amorphous silicon, flat-panel, x-ray detector: reliability of digital image fusion regarding angle and distance measurements in long-leg radiography.

Okka W Hamer, Michael Strotzer, Niels Zorger, Christian Paetzel, Klaus Lerch, Stefan Feuerbach, Markus Völk,

RATIONALE AND OBJECTIVES:To evaluate composed long-leg images acquired with a large-area, flat-panel x-ray detector with regard to angle and distance measurements. METHODS:Radiographs of a long-leg phantom were acquired at 13 different angle settings with a 43-cm x 43-cm digital x-ray detector based on cesium iodide (CsI) and amorphous silicon (a-Si) ... Read more >>

Invest Radiol (Investigative radiology)
[2004, 39(5):271-276]

Cited: 2 times

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Endovascular therapy of a ruptured intercostal artery aneurysm.

Ingolf Töpel, Markus Steinbauer, Christian Paetzel, Piotr M Kasprzak,

PURPOSE: To report the endovascular management of a rare ruptured intercostal artery aneurysm. CASE REPORT: A 45-year-old man presented with acute upper back and chest pain. Computed tomography of the chest revealed a ruptured intercostal artery aneurysm. The lesion was treated by endovascular coil embolization distal to the aneurysm and ... Read more >>

J Endovasc Ther (Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists)
[2004, 11(2):219-221]

Cited: 8 times

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Safety and efficacy of the Perclose suture-mediated closure device following carotid artery stenting under clopidogrel platelet blockade.

Niels Zorger, Thomas Finkenzeller, Markus Lenhart, Okka Hamer, Christian Paetzel, Inghita Borisch, Ingolf Toepel, Stefan Feuerbach, Johann Link,

The aim of this study was evaluation of a closure device (Perclose, Menlo Park, Calif.) for closure of the femoral artery access site in patients undergoing aggressive anticoagulation and platelet blockade after carotid stenting. Fifty-five patients who received clopidogrel in addition to aspirin and heparin as medication for carotid stenting ... Read more >>

Eur Radiol (European radiology)
[2004, 14(4):719-722]

Cited: 15 times

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Proposal for a sonographic classification of target joints in rheumatoid arthritis.

Klaus Lerch, Nicola Borisch, Christian Paetzel, Joachim Grifka, Wolfgang Hartung,

<h4>Objective</h4>The purpose of this study was to classify sonographically the joint damage of target joints in patients with rheumatoid arthritis (RA).<h4>Methods</h4>During a 3-year cross-sectional study, standardized arthrosonography of symptomatic target joints was performed in patients with RA. According to those findings, a classification with progressive deterioration of joint alteration in ... Read more >>

Rheumatol Int (Rheumatology international)
[2005, 25(3):215-219]

Cited: 3 times

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Routine skeleton radiography using a flat-panel detector: image quality and clinical acceptance at 50% dose reduction.

Markus Völk, Christian Paetzel, Peter Angele, Johannes S Seitz, Bernd Füchtmeier, Reiner Hente, Stefan Feuerbach, Michael Strotzer,

<h4>Rationale and objectives</h4>The purpose of this study was to evaluate image quality and clinical acceptance of a large-area, flat-panel X-ray detector for routine skeleton examinations at 50% dose reduction.<h4>Methods</h4>A total of 153 examinations (307 images) of 100 consecutive patients were evaluated. The cesium iodide-amorphous silicon active-matrix imager had a panel ... Read more >>

Invest Radiol (Investigative radiology)
[2003, 38(4):230-235]

Cited: 7 times

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