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Steal phenomenon

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https://www.readbyqxmd.com/read/27835916/neuropsychological-performance-after-brain-arteriovenous-malformations-treatment
#1
Ondrej Bradac, Alice Pulkrabkova, Patricia de Lacy, Vladimir Benes
Background The treatment of brain arteriovenous malformations (AVMs) has been studied extensively. With the use of the Spetzler-Martin (S-M) grading system, patients can be informed appropriately about their possible surgical risks. This does not hold true for their neuropsychological sequelae, which have not been studied widely. We evaluated the neuropsychological outcome of our patients treated for brain AVMs. Methods Of 113 patients treated for a brain AVM between 2001 and 2009, 66 patients were enrolled in the study...
November 11, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27799374/where-did-the-clot-go-an-unusual-complication-of-mechanical-thrombectomy-caused-by-malignancy-related-subclavian-steal-phenomenon-in-a-patient-with-acute-basilar-artery-occlusion
#2
Nikkie Randhawa, Jonathan P Squires, Manraj Kanwal Singh Heran, Sharanpal K Mann
Subclavian steal is a relatively common vascular phenomenon usually caused by atherosclerotic disease. While symptoms are rare, arm claudication of the ipsilateral limb is most common, with paroxysmal symptoms of vertebrobasilar insufficiency (often exercise induced) being relatively uncommon. Here we present a case of brachial artery embolism during mechanical thrombectomy for basilar artery thrombosis, secondary to subclavian steal phenomenon. This atypical and potentially irreversible complication should be considered in patients with acute ischemic stroke undergoing neurointerventional management when subclavian steal is discovered angiographically...
October 31, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27797875/where-did-the-clot-go-an-unusual-complication-of-mechanical-thrombectomy-caused-by-malignancy-related-subclavian-steal-phenomenon-in-a-patient-with-acute-basilar-artery-occlusion
#3
Nikkie Randhawa, Jonathan P Squires, Manraj Kanwal Singh Heran, Sharanpal K Mann
Subclavian steal is a relatively common vascular phenomenon usually caused by atherosclerotic disease. While symptoms are rare, arm claudication of the ipsilateral limb is most common, with paroxysmal symptoms of vertebrobasilar insufficiency (often exercise induced) being relatively uncommon. Here we present a case of brachial artery embolism during mechanical thrombectomy for basilar artery thrombosis, secondary to subclavian steal phenomenon. This atypical and potentially irreversible complication should be considered in patients with acute ischemic stroke undergoing neurointerventional management when subclavian steal is discovered angiographically...
October 25, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27508212/thrombosis-of-kommerell-s-diverticulum-with-subclavian-steal-phenomenon-in-a-patient-with-non-small-cell-lung-carcinoma-under-chemotherapy
#4
Lorenzo Faggioni, Michela Gabelloni, Vinicio Napoli, Francesco Iorio, Antonio Chella, Davide Caramella
Kommerell's diverticulum (KD) is defined as a bulbous dilatation of the origin of an aberrant subclavian artery due to a remnant of the left fourth aortic arch. We report the case of an asymptomatic woman in whom progressive thrombosis of the KD extending to the prevertebral tract of an aberrant right subclavian artery was detected at multidetector computed tomography imaging for lung cancer staging performed before and after the beginning of chemotherapy. Reversed blood flow in the ipsilateral vertebral artery due to subclavian steal phenomenon was also observed by color Doppler ultrasound examination...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27301069/subclavian-steal-syndrome-with-or-without-arterial-stenosis-a-review
#5
REVIEW
Odysseas Kargiotis, Simos Siahos, Apostolos Safouris, Agisilaos Feleskouras, Georgios Magoufis, Georgios Tsivgoulis
The subclavian-vertebral artery steal syndrome (SSS) is the hemodynamic phenomenon of blood flow reversal in the vertebral artery due to significant stenosis or occlusion of the proximal subclavian artery or the innominate artery. Occasionally, SSS is diagnosed in patients not harboring arterial stenosis. With the exception of arterial congenital malformations, the limited case reports of SSS with intact subclavian artery are attributed to dialysis arteriovenous fistulas (AVFs). Interestingly, these cases are more frequently symptomatic than those with the classical atherosclerotic SSS forms...
September 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/27238991/omentum-flap-bypass-experimental-hemodynamic-study
#6
Nicla Settembre, Sergueï Malikov
OBJECTIVES: The omentum flap bypass (OFB) is based on the use of an anatomical unit composed of the right gastro-omental artery (bypass) with its omental branch or branches supplying the greater omentum (flap). The greater omentum flap is known for its capacity of resistance to infection, for its use in the treatment of ischemic lesions and as a high flow tissue. Several hypotheses regarding the hemodynamic behavior of a distal bypass with a flap were discussed in the literature. We made the assumption that the OFB was a low peripheral resistance flap and that the greater omentum did not induce a steal phenomenon...
May 26, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27231431/recurrent-myocardial-infarction-in-a-patient-with-an-arteriovenous-coronary-fistula-and-no-coronary-artery-disease
#7
Sandro Marcaccini, Christian Templin, Robert Manka, Simon F Stämpfli
Myocardial infarction in the absence of coronary artery disease is a rare finding. Mechanisms leading to infarction include paradoxical embolism, coronary dissection, coronary spasm, hypercoagulable states, vasculitis, or-in presence of a coronary fistula-a steal phenomenon. We report for the first time a case of a patient with an arteriovenous coronary fistula and no coronary artery disease, suffering from three incidents of myocardial infarction in three different coronary regions-of which only one was located in the area supplied by the coronary artery connected to the fistula...
June 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/27230538/surgical-correction-of-a-coronary-fistula-between-the-left-main-coronary-artery-and-the-coronary-sinus-in-a-neonate
#8
Yannick J H J Taverne, Peter L de Jong, Maarten Witsenburg, Ad J J C Bogers
We present a rare case of a 6-day old female neonate with a particularly exceptional coronary anatomy encompassing a fistula between the left main coronary artery and the coronary sinus with steal phenomenon, mandating surgical correction. The condition is extremely rare with an estimated incidence of about 0.1-0.2%. We operated this girl early on to prevent ischaemic events and pulmonary overflow with future heart failure. Further, we discuss possible aetiology and pathophysiological mechanisms of coronary artery fistulae and steal phenomena...
September 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27224985/combined-endovascular-treatment-with-distal-radial-artery-coil-embolization-and-angioplasty-in-steal-syndrome-associated-with-forearm-dialysis-fistula
#9
Fahri Tercan, Ali Koçyiğit, Bünyamin Güney
PURPOSE: The present study was performed to define the results of the endovascular treatment with angioplasty and distal radial artery embolization in ischemic steal syndrome associated with forearm arteriovenous accesses. METHOD: The cases referred to our interventional radiology unit with symptoms and physical examination findings suggestive of ischemic steal syndrome were retrospectively evaluated first by Doppler ultrasonography, and then by angiography. Cases with proximal artery stenosis were applied angioplasty, and those with steal syndrome underwent coil embolization to distal radial artery...
September 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27122909/right-ventricle-mass-induced-coronary-artery-steal-phenomenon-a-rare-clinical-manifestation-on-one-leiomyosarcoma-patient
#10
Weng-Chio Tam, Ho-Shun Cheng, Cheng-Chih Chung, Ming-Hsiung Hsieh
UNLABELLED: We report a 43-year-old female with the underlying disease of retroperitoneal leiomyosarcoma and initial presentation of ST elevation myocardial infarction. Coronary angiography showed an absence of coronary artery stenosis and a huge, ill-defined cardiac mass which was fed by both the left anterior descending artery and the right coronary artery. Coronary blood flow was obviously shunted by the neovascularized cardiac tumor. Right ventricle metastatic leiomyosarcoma was diagnosed according to her clinical course, images of echocardiography and computed tomography...
September 2015: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/27107766/double-steal-phenomenon-secondary-to-innominate-artery-occlusion
#11
Kaan Esen, Cengiz Yilmaz, Omer Kaya, Gokhan Soker, Bozkurt Gulek, Durmus Yildiray Sahin
Innominate artery steno-occlusive disease is a relatively rare clinical entity and may cause cerebrovascular symptoms. Herein, we report a 50-year-old male patient who presented with recurrent syncopal episodes and cerebrovascular ischemia. Color Doppler sonography revealed a distinctive flow pattern with partial and total flow reversal in the right internal carotid artery and vertebral artery, respectively. Further angiographic evaluation revealed complete occlusion of the innominate artery. Endovascular stenting was successful and enabled normal antegrade flow in the right common carotid and vertebral artery...
July 2016: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/27086807/percutaneous-management-of-coronary-artery-to-pulmonary-artery-fistula-using-an-amplatzer-vascular-plug-with-the-trans-radial-approach
#12
Su Nam Lee, Jinhee Lee, Eun Young Ji, Bo Hyun Jang, Hyeong Han Lee, Keon-Woong Moon
Congenital coronary artery fistulas (CAFs) are rare and asymptomatic, although symptomatic CAFs should be treated with percutaneous intervention or surgery. A 62-year-old woman developed bilateral coronary-to-pulmonary artery fistulas resulting in exertional chest pain. We herein report the successful use of trans-catheter closure of a coronary artery-to-pulmonary artery fistula, which lead to the coronary steal phenomenon, using an Amplatzer vascular plug with the trans-radial approach. After the procedure, the patient remained asymptomatic...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27062592/computational-modeling-of-blood-flow-steal-phenomena-caused-by-subclavian-stenoses
#13
P J Blanco, L O Müller, S M Watanabe, R A Feijóo
The study of steal mechanisms caused by vessel obstructions is of the utmost importance to gain understanding about their pathophysiology, as well as to improve diagnosis and management procedures. The goal of this work is to perform a computational study to gain insight into the hemodynamic forces that drive blood flow steal mechanisms caused by subclavian artery stenosis. Such condition triggers a flow disorder known as subclavian steal. When this occurs in patients with internal thoracic artery anastomosed to the coronary vessels, the phenomenon includes a coronary-subclavian steal...
June 14, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27034323/cerebral-oxygenation-and-echocardiographic-parameters-in-preterm-neonates-with-a-patent-ductus-arteriosus-an-observational-study
#14
Laura Dix, Mirella Molenschot, Johannes Breur, Willem de Vries, Daniel Vijlbrief, Floris Groenendaal, Frank van Bel, Petra Lemmers
BACKGROUND: A haemodynamically significant patent ductus arteriosus (hsPDA) is clinically suspected and confirmed by echocardiographic examination. A hsPDA decreases cerebral blood flow and oxygen saturation by the ductal steal phenomenon. AIM: To determine the relationship between echocardiographic parameters, cerebral oxygenation and a hsPDA in preterm infants. METHODS: 380 preterm infants (<32 weeks gestational age) born between 2008 and 2010 were included...
March 31, 2016: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/26995651/the-fetal-glucose-steal-an-underappreciated-phenomenon-in-diabetic-pregnancy
#15
REVIEW
Gernot Desoye, Christopher J Nolan
Adverse neonatal outcomes continue to be high for mothers with type 1 and type 2 diabetes, and are far from eliminated in mothers with gestational diabetes mellitus. This is often despite seemingly satisfactory glycaemic control in the latter half of pregnancy. Here we argue that this could be a consequence of the early establishment of fetal hyperinsulinaemia, a driver that exaggerates the fetal glucose steal. Essentially, fetal hyperinsulinaemia, through its effect on lowering fetal glycaemia, will increase the glucose concentration gradient across the placenta and consequently the glucose flux to the fetus...
June 2016: Diabetologia
https://www.readbyqxmd.com/read/26981289/physiologic-functional-evaluation-of-left-internal-mammary-artery-graft-to-left-anterior-descending-coronary-artery-steal-due-to-unligated-first-thoracic-branch-in-a-case-of-refractory-angina
#16
Fadi J Sawaya, Henry Liberman, Chandan Devireddy
Unligated side branches of the left internal mammary artery (LIMA) have been described in the literature as a cause of coronary steal resulting in angina. Despite a number of studies reporting successful side branch embolization to relieve symptoms, this phenomenon remains controversial. Hemodynamic evidence of coronary steal using angiographic and intravascular Doppler techniques has been supported by some and rejected by others. In this case study using an intracoronary Doppler wire with adenosine, we demonstrate that a trial occlusion of the LIMA thoracic side branch with selective balloon inflation can confirm physiologic significant steal and whether coil embolization of the side branch is indicated...
2016: Case Reports in Cardiology
https://www.readbyqxmd.com/read/26966450/anomalous-origin-of-right-coronary-artery-from-mid-left-anterior-descending-artery-leading-to-coronary-steal-phenomenon-and-ischemia
#17
Savas Sarıkaya
No abstract text is available yet for this article.
2016: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/26947424/differential-visceral-blood-flow-in-the-hyperdynamic-circulation-of-patients-with-liver-cirrhosis
#18
N C McAvoy, S Semple, J M J Richards, A J Robson, D Patel, A G M Jardine, K Leyland, A S Cooper, D E Newby, P C Hayes
BACKGROUND: With advancing liver disease and the development of portal hypertension, there are major alterations in somatic and visceral blood flow. Using phase-contrast magnetic resonance angiography, we characterised alterations in blood flow within the hepatic, splanchnic and extra-splanchnic circulations of patients with established liver cirrhosis. AIM: To compare blood flow in splanchnic and extra-splanchnic circulations in patients with varying degrees of cirrhosis and healthy controls...
May 2016: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/26612279/hand-ischemia-in-a-patient-with-an-arteriovenous-fistula
#19
Alexander S Yevzlin, Micah R Chan, Arif Asif
An ischemic digit causes significant morbidity due to its associated discomfort and potential for tissue necrosis. Historically, when this phenomenon was peripheral to an ipsilateral arteriovenous access in a hemodialysis patient, it was called "steal syndrome" and was usually treated with access ligation, resulting in loss of the access. We present a dialysis patient with hand pain due to ischemia that was referred for access ligation. Instead, a minimally invasive banding procedure was performed that resulted in access salvage and resolution of symptoms...
March 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/26557747/functional-assessment-of-sequential-coronary-artery-fistula-and-coronary-artery-stenosis-with-fractional-flow-reserve-and-stress-adenosine-myocardial-perfusion-imaging
#20
Kuan Leong Yew, Poh Siang Ooi, Chiong Soon Law
Coronary artery fistula is an abnormal connection between one coronary artery to another coronary artery or cardiac chambers. The coronary artery fistula may cause significant shunting of blood and cause "pseudo-stenosis" or "steal phenomenon". This will also accentuate pre-existing mild-moderate de novo coronary lesions with resultant greater pressure gradient difference across the lesions. Thus, fractional flow reserve can be a useful tool to guide intervention decision on the coronary artery fistula. There are very few published reports regarding the use of FFR to assess coronary artery fistula...
October 2015: Journal of the Saudi Heart Association
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