Wetenschap
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Sensitivity to entrance conditions of wall shear stress in a curved vessel
This study aims to numerically investigate the impact of entrance velocity distributions on wall shear stress in a simplified curved vessel model. The flow in a single‑curved vessel is simulated with Reynolds numbers adjusted to a Newtonian...
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Purpose: The aim of the study was to determine the flexion point's location of the ilio-femoral arterial axis and its angulation. Materials and methods: Thirty-seven dynamic digital subtraction angiographies were analyzed and were included in the...
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Case: This report describes a 25-year-old female professional triathlete with right external iliac artery endofibrosis (EIAE) that was definitively diagnosed on contrast-enhanced magnetic resonance images obtained immediately after treadmill running....
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Common Femoral Artery Curvature During Hip Flexion
Purpose: To assess the conformational changes of the common femoral artery (CFA) during hip joint flexion in patients without atherosclerosis. Methods: Patients who underwent digital subtraction angiography for suspicion of arterial endofibrosis...
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Anatomic Factors Contributing to External Iliac Artery Endofibrosis in High-Performance Athletes
Background: External iliac artery endofibrosis (EIAE) classically presents in cyclists with intimal thickening of the affected arteries. We investigated possible anatomical predisposing factors including psoas muscle hypertrophy, arterial tortuosity,...
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Evaluating Arterial Blood Flow Limitation Using Muscle Oxygenation and Cycling Power
Objective: To explore the combination of measuring muscle oxygenation with near-infrared spectroscopy (NIRS) and cycling power during provocative incremental exercise for the detection of iliac arterial blood flow limitation (IAFL) in an otherwise...
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Exercise induced leg pain due to endofibrosis of external iliac artery
Due to monotonous movement patterns, muscular hypertrophy, and increased cardiac output peripheral vasculature of athletes are subject to extreme stresses during athletic performance. Individuals suffering from exercise induced non-traumatic lower leg...
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Peripheral Vascular Imaging Focusing on Nonatherosclerotic Disease
A variety of nonatherosclerotic diseases affect the arteries of the pelvis and lower extremities. Chronic repetitive traumatic conditions, such as popliteal entrapment and external iliac artery fibroelastosis, vasculitis and connective tissue diseases,...
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Diagnosis and management of external iliac endofibrosis: A case report
External iliac artery endofibrosis is an uncommon, nonatherosclerotic disease seen in endurance cyclists. It is poorly identified by providers. These otherwise healthy patients usually present with symptoms of arterial insufficiency, such as thigh or...
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External Iliac Artery Endofibrosis in a Female Cyclist: A Case Report
External iliac artery endofibrosis is a rare disease described mainly in male endurance athletes. It presents as claudication of the lower limb during near-maximum effort. The patients lack the usual risk factors for atherosclerosis, which makes...
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Pedal power measurement as a diagnostic tool for functional vascular problems
Background: Cyclists with flow limitations in the iliac arteries complain of pain and loss of power. To investigate whether pedal power measurement has added value in diagnosing the underlying cause of flow limitations in the iliac arteries, we...
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Don’t Just Blame it on the Veins: An Update on Vascular Exertional Limb Pain
Exertional limb pain is a common problem encountered in recreational and competitive athletes. Affecting both the upper and lower extremities, this broad entity can be musculoskeletal, vascular, neurologic, oncologic, or infectious in origin. This...
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MRI to investigate iliac artery wall thickness in triathletes
Objectives: Endofibrosis was first described in endurance athletes. This rare disease is characterized by intimal hyperplasia of iliac arteries. Due to non-specific symptoms diagnosing could be very challenging and delayed. This represents a serious...
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Long-term results of the surgical treatment of external iliac endofibrosis
The surgery of external iliac endofibrosis (EIE) is considered only in top sportspeople, who are always very demanding. For this reason it remains debated. The aim of our study was to evaluate the long-term results, seldom reported, of this surgery.
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Arterial pathologies in athletes
Identification and treatment of arterial pathologies in athletes can present a significant challenge because symptoms may be nonspecific and standard examination is often unremarkable. Sportspeople frequently experience long delays to diagnosis, during...
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Peripheral Non-atherosclerotic Arterial Disorders: What Radiologists Need to Know
Peripheral non-atherosclerotic arterial disorders (NAADs) are a heterogeneous group of rather uncommon conditions that tend to manifest in subjects without atherosclerosis. Each of these conditions has distinctive pathophysiology; however, there are...
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While it is crucial to recognize that atherosclerosis is the most common etiology for lower extremity ischemia, it is important to know the non-atherosclerotic causes of limb ischemia. Since these pathologies are not as prevalent as atherosclerosis,...
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A Case of Endofibrosis Presenting with Embolic Symptoms in a 43-Year-Old Cyclist
Background: Endofibrosis is a rare clinical entity that usually manifests as claudication in cyclists and other endurance athletes. We report a case of a 43-year-old cyclist presenting with pain and cyanosis of his toes due to an embolism to his left...
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External iliac artery endofibrosis is a rare medical condition typically encountered in young endurance athletes, mainly cyclists. Iliac endofibrosis usually develops in the external iliac artery and is rarely seen in the common iliac or in common...
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Color Doppler Ultrasound Imaging in the Assessment of Iliac Endofibrosis
Endofibrosis (EF) of the iliac arteries is a flow-limiting condition typically seen in highly trained endurance athletes. Thirty-seven athletes (74 limbs) were referred to our department with suspected EF. All patients had a pre- and postexercise color...