Full Text Journal Articles by
Author Klaus Amendt

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Aortitis - An Interdisciplinary Challenge.

Tetyana Shchetynska-Marinova, Klaus Amendt, Maliha Sadick, Michael Keese, Martin Sigl,

The term 'aortitis' comprises a heterogeneous spectrum of diseases, with varied etiology and clinical presentations, whose common characteristic is the inflammation of the aortic wall. Since aortitis can mimic almost all common cardiovascular disorders, its clinical recognition remains a challenge. Some cases of aortitis remain undetected for a long time ... Read more >>

In Vivo (In vivo (Athens, Greece))
[2021, 35(1):41-52]

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First experiences of local pulse wave velocity measurements in 4D-MRI in focally stented femoropopliteal arteries.

Ingo Hermann, Tetyana Shchetynska-Marinova, Klaus Amendt, Anna-Lena Hohneck, Stefan O Schönberg, Frank G Zöllner, Martin Sigl,

<i>Background:</i> In peripheral arterial disease (PAD) the femoropopliteal (FP) artery is the most frequently recanalized lower limb artery. Stent-based interventions change the biomechanical properties of FP arteries. However, no clinical tool for functional imaging is established for quantitative measurements in vivo. Four-dimensional-flow magnetic resonance imaging enables a detailed evaluation of ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2021, :]

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Provisional focal stenting of complex femoropopliteal lesions using the Multi-LOC multiple stent delivery system - 12-month results from the LOCOMOTIVE EXTENDED study.

Klaus Amendt, Thomas Zeller, Robert Proczka, Ulrich Beschorner, Nicola Troisi, Matthias Waliszewski, Ralf Langhoff, Hans Krankenberg, Andreas Hansch, Tomislav Krcmar, Vinko Vidjak, Claus Nolte-Ernsting, Alexander Hansen, Martin Sigl,

<i>Background</i>: This study aimed to evaluate a Multiple Stent Delivery System for provisional focal stenting of the femoropopliteal artery. <i>Patient and methods</i>: The LOCOMOTIVE EXTENDED study (Multi-<u>LOC</u> for fl<u>O</u>w li<u>M</u>iting <u>O</u>utcomes after plain old balloon angioplasty and/or drug-coated balloon <u>T</u>reatment in the infrainguinal position with the object<u>IVE</u> to implant multiple ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2021, 50(3):209-216]

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Lesion Revascularisation Subsequent to Femoropopliteal Spot Stenting Using the Multi-LOC Stent Delivery System.

Martin Sigl, Klaus Amendt, Matthias Waliszewski, Nils Rathmann,

BACKGROUND/AIM:Restenosis and stent fractures are well-characterised treatment failures following femoropopliteal (FP) stent-based interventions. We aimed to determine patterns of restenosis and fracture rates following focal stenting of FP arteries. PATIENTS AND METHODS:This retrospective study investigated angiographic patterns of restenosis and the occurrence of stent fractures following focal FP stenting with ... Read more >>

In Vivo (In vivo (Athens, Greece))
[2020, 34(1):433-439]

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Prevalence of abdominal aortic aneurysm and associated lower extremity artery aneurysm in men hospitalized for suspected or known cardiopulmonary disease.

Anna Hohneck, Michael Keese, Gerhard Ruemenapf, Klaus Amendt, Hannelore Muertz, Katharina Janda, Ibrahim Akin, Martin Borggrefe, Martin Sigl,

BACKGROUND:AAA is a disease affecting predominantly male patients ≥65 years and its dreaded complications such as rupture led to population-based screening programs as preventive measure. Nonetheless, the supposed prevalence may have been overestimated, so that targeted screening of high risk populations may be more effective. This study was performed to evaluate ... Read more >>

BMC Cardiovasc Disord (BMC cardiovascular disorders)
[2019, 19(1):284]

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Outcomes of severe limb ischemia with tissue loss and impact of revascularization in haemodialysis patients with wound, ischemia, and foot infection (WIfI) stage 3 or 4.

Martin Sigl, Tanja Noe, Gerhard Ruemenapf, Bernhard K Kraemer, Stephan Morbach, Martin Borggrefe, Klaus Amendt,

Background: With growing prevalence, end-stage renal disease (ESRD) as well as critical limb ischemia (CLI) are both conditions associated with high morbidity and mortality rates. Patients and methods: A retrospective single-centre study provided data of a German interdisciplinary vascular centre. Seventy-seven consecutive haemodialysis (HD) inpatients (median age, 73.6 years) with ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2020, 49(1):63-71]

Cited: 1 time

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Real-world outcomes of endovascular treatment in a non-selected population with peripheral artery disease - prospective study with 2-year follow-up.

Karl-Ludwig Schulte, David Hardung, Christiane Tiefenbacher, Thomas Weiss, Ulrich Hoffmann, Klaus Amendt, Gunnar Tepe, Lothar Heuser, Andras Treszl, Hans-Joachim Lau, Thomas Pfannebecker, Karl Wegscheider,

<i>Background:</i> The study aimed to evaluate the outcomes of percutaneous transluminal angioplasty (PTA) in lower-extremity peripheral artery disease (PAD) patients. <i>Patients and methods:</i> A multi-centre, observational study was performed with 32 German and Austrian centres contributing data to the PTA registry. Data of 1,781 patients with lower-leg and pelvic PAD ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2019, 48(5):433-441]

Cited: 1 time

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Focal Stenting of Complex Femoropopliteal Lesions with the Multi-LOC Multiple Stent Delivery System: 12-Month Results of the Multicenter LOCOMOTIVE Study.

Martin Sigl, Ulrich Beschorner, Thomas Zeller, Matthias Waliszewski, Ralf Langhoff, Jörg Tautenhahn, Klaus Amendt,

<h4>Introduction</h4>The purpose of this observational study is to report the 12-month clinical outcomes with the novel Multiple Stent Delivery System (MSDS) to treat complex femoropopliteal lesions. Previously, we reported the 6-month clinical outcomes of the all-comers LOCOMOTIVE study, which demonstrated the safety and efficacy of the MSDS with a favorable ... Read more >>

Cardiovasc Intervent Radiol (Cardiovascular and interventional radiology)
[2019, 42(2):169-175]

Cited: 1 time

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Multiple Stent Delivery System "Multi-LOC": Focal self-expanding nitinol stenting of complex femoropopliteal lesions-A monocenter feasibility pilot study.

Martin Sigl, Johannes Jung, Heinz Kölble, Klaus Amendt,

<h4>Aims</h4>The Multiple Stent Delivery System (VascuFlex® Multi-LOC) is a novel stent delivery system with six short stents (13 mm long each) mounted on one wire-guided catheter, designed for the treatment of femoropopliteal arteries. The aim of the present study is to evaluate the safety and the feasibility of the VascuFlex® "Multi-LOC" ... Read more >>

JRSM Cardiovasc Dis (JRSM cardiovascular disease)
[2019, 8:2048004018822618]

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First clinical experience with the Multi-LOC multiple stent delivery system for focal stenting in long femoro-popliteal lesions.

Klaus Amendt, Ulrich Beschorner, Matthias Waliszewski, Martin Sigl, Ralf Langhoff, Jörg Thalwitzer, Ulf Redlich, Britta Vogel, Dirk Härtel, Thomas Zeller,

Background: The purpose of this observational study is to report the six-month clinical outcomes with a new multiple stent delivery system in patients with femoro-popliteal lesions. Patients and methods: The LOCOMOTIVE study is an observational multicentre study with a primary endpoint target lesion revascularization (TLR) rate at six months. Femoro-popliteal ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2017, 46(6):452-461]

Cited: 1 time

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Multiple stent delivery system Multi-LOC, a new technology for spot-stenting of the femoropopliteal artery - proof of concept study in a preclinical large animal model.

Martin Sigl, Oliver Dudeck, Johannes Jung, Heinz Koelble, Klaus Amendt,

<h4>Background</h4>A new stent system was studied in a porcine model to evaluate its feasibility for spot-stenting of the femoropopliteal artery.<h4>Materials and methods</h4>In a preliminary study in a single pig, handling and mechanical features of the novel multiple stent delivery system were tested. The Multi-LOC system demonstrated great feasibility regarding its ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2017, 46(6):446-451]

Cited: 2 times

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Primary Self-EXPANDing Nitinol Stenting vs Balloon Angioplasty With Optional Bailout Stenting for the Treatment of Infrapopliteal Artery Disease in Patients With Severe Intermittent Claudication or Critical Limb Ischemia (EXPAND Study).

Karl-Ludwig Schulte, Ernst Pilger, Sebastian Schellong, Kong Ten Tan, Frederic Baumann, Ralf Langhoff, Giovanni Torsello, Thomas Zeller, Klaus Amendt, Marianne Brodmann, ,

<h4>Purpose</h4>To compare primary placement of a self-expanding nitinol stent to percutaneous transluminal angioplasty (PTA) with bailout stenting in infrapopliteal arteries of patients with severe intermittent claudication or critical limb ischemia (CLI).<h4>Methods</h4>In the EXPAND trial (ClinicalTrials.gov; identifier NCT00906022), 92 patients (mean age 72.9±9.5 years; 62 men) undergoing treatment for infrapopliteal stenosis ... Read more >>

J Endovasc Ther (Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists)
[2015, 22(5):690-697]

Cited: 15 times

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Clinical safety of the ProMRI pacemaker system in patients subjected to head and lower lumbar 1.5-T magnetic resonance imaging scanning conditions.

William M Bailey, Lawrence Rosenthal, Lameh Fananapazir, Marye Gleva, Alexander Mazur, C A Rinaldi, Alexander Kypta, Béla Merkely, Pamela K Woodard, ,

<h4>Background</h4>Permanent cardiac pacemakers have historically been considered a contraindication to magnetic resonance imaging (MRI).<h4>Objective</h4>The purpose of the ProMRI/ProMRI AFFIRM Study, which was a multicenter, prospective, single-arm, nonrandomized study, was to evaluate the clinical safety of the Biotronik ProMRI Pacemaker System under specific MRI conditions.<h4>Methods</h4>The ProMRI Study (in the United States) ... Read more >>

Heart Rhythm (Heart rhythm)
[2015, 12(6):1183-1191]

Cited: 14 times

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Lower extremity vasculitis in giant cell arteritis: important differential diagnosis in patients with lower limb claudication.

Martin Sigl, Eric Hsu, Hans Scheffel, Stefan Haneder, Gerhard Rümenapf, Klaus Amendt,

Most patients with peripheral arterial disease suffer from arteriosclerosis, the prevalence of which increases with age. In some of these patients, however, the ischemic symptoms are not caused by stenotic arteriosclerosis, but by large vessel giant cell arteritis (LV-GCA), a disease also predominantly affecting patients of the older generation. Identifying ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2014, 43(5):326-336]

Cited: 5 times

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Readmissions of patients with diabetes mellitus and foot ulcers after infra-popliteal bypass surgery - attacking the problem by an integrated case management model.

Gerhard Rümenapf, Sandra Geiger, Brigitte Schneider, Klaus Amendt, Norbert Wilhelm, Stephan Morbach, Norbert Nagel,

<h4>Background</h4>Patients with neuroischemic diabetic foot syndrome (DFS) may need arterial revascularization, minor amputations, débridements as well as meticulous wound care. Unfortunately, postoperative outpatient care is frequently inadequate. This is especially true for Germany, where the in- and outpatient sectors are funded and managed separately, with poor communication between the two. ... Read more >>

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2013, 42(1):56-67]

Cited: 9 times

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[Angiology and vascular surgery -- an attempt for establishing a joint definition].

Ulrich Hoffmann, Klaus Amendt,

Vasa (VASA. Zeitschrift fur Gefasskrankheiten)
[2012, 41(4):306-308]

Cited: 0 times

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Long-term outcomes after medical and interventional therapy of critical limb ischemia.

Holger Lawall, Hannah Gorriahn, Klaus Amendt, Jürgen Ranft, Peter Bramlage, Curt Diehm,

<h4>Background</h4>Recommendations of clinical guidelines for the treatment of critical limb ischemia (CLI) are based on randomized controlled trials. Recent data from clinical practice are however lacking. Therefore a prospective observational study in patients with critical limb ischemia (CLI) in 3 hospitals with a specialized vascular medicine department was conducted to ... Read more >>

Eur J Intern Med (European journal of internal medicine)
[2009, 20(6):616-621]

Cited: 7 times

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Impact of stent fractures following femoropopliteal stenting.

Karl-Ludwig Schulte, Klaus Amendt,

J Am Coll Cardiol (Journal of the American College of Cardiology)
[2005, 46(10):1961]

Cited: 1 time

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PGE1 and other prostaglandins in the treatment of intermittent claudication: a meta-analysis.

Klaus Amendt,

In intermittent claudication, pharmacologic drugs and invasive measures are indicated in patients who do not benefit from exercise training. To evaluate the therapeutic role of prostaglandins (PGs), especially of prostaglandin E1 (PGE1), for this indication, the author performed a meta-analysis of all published prospective, randomized, controlled clinical studies in which ... Read more >>

Angiology (Angiology)
[2005, 56(4):409-415]

Cited: 11 times

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