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Pulmonary arteriovenous fistula

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https://www.readbyqxmd.com/read/30188387/point-of-care-ultrasound-in-end-stage-kidney-disease-beyond-lung-ultrasound
#1
William Beaubien-Souligny, Josée Bouchard, André Denault
PURPOSE OF REVIEW: Following the miniaturization of ultrasound devices, point-of-care ultrasound (POCUS) has been proposed as a tool to enhance the value of physical examination in various clinical settings. The objective of this review is to describe the potential applications of POCUS in end-stage renal disease patients (ESRD). RECENT FINDINGS: With basic training, the clinician can perform pulmonary, vascular, cardiac, and abdominal POCUS at the bedside of ESRD patients...
November 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/30177223/computerized-registry-of-patients-with-hemorrhagic-hereditary-telangiectasia-rihhta-registry-in-spain-objectives-methods-and-preliminary-results
#2
A Riera-Mestre, J M Mora Luján, R Sanchez Martínez, M A Torralba Cabeza, J L Patier de la Peña, M C Juyol Rodrigo, D Lopez Wolf, A Ojeda Sosa, L Monserrat, M López Rodríguez
INTRODUCTION: Hereditary hemorrhagic telangiectasia (HHT) is a rare disease with autosomal dominant inheritance that causes systemic vascular affectation. MATERIAL AND METHOD: After development a multicentric Spanish national registry, called RiHHTa, main clinical manifestations and diagnostic procedures of the first patients introduced are described. RESULTS: 141 patients were included, of which 91 (64.5%) were women. The mean age at diagnosis was 42 years...
September 1, 2018: Revista Clínica Española
https://www.readbyqxmd.com/read/30110120/2-year-follow-up-of-lung-transplantation-as-a-treatment-of-hereditary-hemorrhagic-telangiectasia-osler-weber-rendu-disease-a-case-report
#3
Magdalena Latos, Magdalena Ryba, Elżbieta Lazar, Marek Ochman
Hemorrhagic telangiectasia (HHT) is a disease of initially mild course - manifesting with recurrent nosebleeds and increased fatigue. Nevertheless, its progression can deteriorate patient's health. Solid organ transplantation becomes the only therapeutic option to save a life. Case series describes 19 years old female patient, who was diagnosed with HHT and qualified for lung transplantation. She meets Curacao criteria for HHT (¾). Her health deteriorated significantly to the point of the referral to Covered for Blind Review...
August 15, 2018: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/30093542/woman-in-her-50s-with-shortness-of-breath-on-exertion
#4
Takao Konishi, Hironori Murakami, Shinya Tanaka
CLINICAL INTRODUCTION: A 59-year-old woman visited an outpatient cardiology clinic due to shortness of breath on exertion. Physical examination showed no significant abnormality of vital signs. A III/VI systolic murmur was heard on the fourth intercostal space at the right sternal border. The majority of laboratory tests were normal. Chest X-ray showed a curved vessel shadow (figure 1A). Initial transthoracic echocardiography showed abnormal blood flow into the inferior vena cava (IVC) in the subxiphoid long axis view (figure 1B) and mild right heart dilatation (online supplementary figure 1)...
August 9, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/30057886/endovascular-management-of-a-coronary-artery-to-pulmonary-artery-fistula-with-detachable-balloons-a-case-report
#5
Mathew Cherian, Santhosh Poyyamoli, Pankaj Mehta
Coronary arteriovenous (AV) fistulae are rare congenital anomalies and encompass a wide variety of communications between the coronary artery and the pulmonary or systemic vasculature. Symptoms depend on the presence and severity of myocardial malperfusion secondary to coronary artery steal phenomenon at rest or exertion. These fistulae are traditionally treated by open surgery. Endovascular therapy has been reported with the use of fibered coils. We report a case of a large left anterior descending (LAD) coronary artery to the main pulmonary artery fistula that was incidentally discovered during a pre-operative work up in a 28-year-old woman...
June 2018: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/30014654/-clinical-report-of-128-cases-of-meticulous-thoracoscopic-lobectomy-in-children
#6
Jie Zhang, Miao Yuan, Chang Xu, Gang Yang, Fei Li
OBJECTIVE: To investigate the feasibility and effect of precise thoracoscopic lobectomy in children. METHODS: The clinical data of precise thoracoscopic lobectomy in infants and children were analyzed retrospectively in West China Hospital of Sichuan University. RESULTS: There were total 128 cases (male 69,female 59) of precise thoracoscopic lobectomy in infants and children from Oct,2013 to March,2017,which including 62 cases of congenital cyst of lungs,47 cases of cystic adenomatoid malformations,17 cases of pulmonary sequestrations,and 2 cases of lung tumors...
May 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/30012048/treatment-of-varicose-veins-international-consensus-on-which-major-complications-to-discuss-with-the-patient-a-delphi-study
#7
Sylvana Ml de Mik, Fabienne E Stubenrouch, Dink A Legemate, Ron Balm, Dirk T Ubbink
Objective To reach consensus on which complications of varicose vein treatments physicians consider major or minor, in order to standardize the informed consent procedure and improve shared decision-making. Methods Using the e-Delphi method, expert physicians from 10 countries were asked to rate complications as "major" or "minor" on a 5-point Likert scale. Reference articles from a Cochrane review on varicose veins were used to compose the list of complications. Results Participating experts reached consensus on 12 major complications: allergic reaction, cellulitis requiring intravenous antibiotics/intensive care, wound infection requiring debridement, hemorrhage requiring blood transfusion/surgical intervention, pulmonary embolism, skin necrosis requiring surgery, arteriovenous fistula requiring repair, deep venous thrombosis, lymphocele, thermal injury, transient ischemic attack/stroke, and permanent discoloration...
January 1, 2018: Phlebology
https://www.readbyqxmd.com/read/30007907/two-cases-of-high-output-heart-failure-as-initial-presentation-of-iliac-arteriovenous-fistula
#8
Jordi S Dahl, Claus Andersen, Stevo Duvnjak, Jacob Eifer Moller
We present two cases of females in their 40s presenting with biventricular heart failure being the consequence of a large arteriovenous fistula. Both patients had undergone abdominal surgery several years prior to the heart failure event with the initial finding of moderate pulmonary hypertension and high-output heart failure. CT revealed a large arteriovenous fistula between the common iliac artery and vein which subsequently was closed percutaneously.
July 13, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29992020/controversies-in-the-management-of-the-haemodialysis-related-arteriovenous-fistula-following-kidney-transplantation
#9
Pauline Vanderweckene, Laurent Weekers, Patrizio Lancellotti, François Jouret
Arteriovenous fistula (AVF) is regarded as the best vascular access for chronic haemodialysis (HD). Still, AVF inherently causes significant haemodynamic changes. Although the necessity for vascular access despite its putative cardiovascular complications favours AVF creation in patients under chronic HD, one may question whether sustaining a functional AVF after successful kidney transplantation extends the haemodynamic threat. Small prospective series suggest that AVF ligation causes rapid and sustained reduction in left ventricular hypertrophy...
June 2018: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29991544/recurrent-minor-strokes-tia-with-a-right-to-left-shunt
#10
Manuel Cortes, Guy S Mayeda, Ming W Liu
A patient came to our institution for evaluation and closure of suspected patent foramen ovale actively manifesting as cerebrovascular accident. Through further studies, we found the presence of a pulmonary arteriovenous fistula, which was subsequently and successfully closed through non-invasive percutaneous selective segmental pulmonary artery embolisation.
July 10, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29934984/successful-treatment-of-multiple-pulmonary-arteriovenous-fistulae-with-thoracoscopy
#11
Yufei Wang, Ke Wang, Chunyan Guo, Zhanlin Guo
Congenital pulmonary arteriovenous fistulae occur as a result of abnormal blood vessel development in the lungs. Blood takes a short pass from the pulmonary artery to veins. Multiple pulmonary arteriovenous fistulae are a rare occurrence, especially when involving both lungs. Fistulae located at the edge are prone to rupture and bleeding. We discuss a case of a 15-year-old overweight male with multiple pulmonary arteriovenous fistulae successfully treated with wedge-shape excision via video-assisted thoracoscopic surgery...
August 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/29904500/simultaneous-transarterial-and-transvenous-coil-embolization-for-a-large-aneurysmal-type-renal-arteriovenous-fistula
#12
Keita Nakayama, Masashi Shimohira, Kengo Ohta, Kazushi Suzuki, Taeko Goto, Yusuke Sawada, Yuta Shibamoto
A 74-year-old woman underwent abdominal computed tomography for screening, and a right large aneurysmal-type renal arteriovenous fistula (AVF) was found incidentally. The venous sac of the renal arteriovenous fistula was enlarged, and coil embolization was considered. To prevent severe complications such as coil migration, pulmonary embolism, and rupture during procedure, coil embolization was approached via both the feeding artery and the draining vein simultaneously, with balloon occlusion of the feeding artery...
April 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29886213/endovascular-treatment-of-a-large-iliac-vein-aneurysm-and-high-flow-arteriovenous-fistula
#13
Michael P DeWane, Wassim H Fares, Cassius Iyad Ochoa Chaar
Aneurysms associated with arteriovenous fistulas (AVFs) are rare but can cause significant morbidity. They are often diagnosed after rupture, pain, or embolization. We describe a unique case of a 35-year-old woman with a large iliac vein aneurysm related to an acquired AVF incidentally discovered on ultrasound during pregnancy. She had a diagnosis of "idiopathic" pulmonary hypertension for several years. This report details the diagnosis and treatment with an arterial stent graft that was effective in decreasing the size of the venous aneurysm and reversing the systemic changes associated with the disease...
June 8, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29682124/primary-external-iliac-venous-aneurysm-a-case-report
#14
Minami Taki, Takashi Miura, Takahiro Kobayashi, Toshio Kasai, Takahisa Maruyama, Minako Hayakawa, Yu Matsumura, Fumitaka Yamaki, Uichi Ikeda
Primary iliac venous aneurysm is an exceedingly rare abnormality that can be complicated by pulmonary embolism, thrombosis, and rupture. Here we report the case of an otherwise healthy 40-year-old man with a unilateral external iliac vein aneurysm without any evidence of an arteriovenous fistula, proximal stenosis, or obstruction, as reported on computed tomography. Pulmonary embolism was diagnosed using 99m Tc-macroaggregated albumin scintigraphy. To prevent life-threatening complications, we treated the patient with anticoagulant therapy and performed aneurysmectomy with reconstruction using a saphenous vein graft patch...
March 25, 2018: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29570754/computational-fluid-dynamics-of-vascular-disease-in-animal-models
#15
Andrea Acuna, Alycia G Berman, Frederick W Damen, Brett A Meyers, Amelia R Adelsperger, Kelsey C Bayer, Melissa C Brindise, Brittani Bungart, Alexander M Kiel, Rachel A Morrison, Joseph C Muskat, Kelsey M Wasilczuk, Yi Wen, Jiacheng Zhang, Patrick Zito, Craig J Goergen
Recent applications of computational fluid dynamics (CFD) applied to the cardiovascular system have demonstrated its power in investigating the impact of hemodynamics on disease initiation, progression, and treatment outcomes. Flow metrics such as pressure distributions, wall shear stresses (WSS), and blood velocity profiles can be quantified to provide insight into observed pathologies, assist with surgical planning, or even predict disease progression. While numerous studies have performed simulations on clinical human patient data, it often lacks prediagnosis information and can be subject to large intersubject variability, limiting the generalizability of findings...
August 1, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29537974/successful-treatment-of-a-renal-arteriovenous-fistula-with-pulmonary-hypertension-occurring-38-years-after-nephrectomy
#16
Mürsel Şahin, Şükrü Oğuz, Savaş Özer, Cihan Örem, Mehmet Serdar Küçükoğlu
No abstract text is available yet for this article.
March 13, 2018: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/29465587/systemic-pulmonary-arteriovenous-fistulae-with-pulmonary-hypertension-a-case-report
#17
Yan-Ping Shi, Yi-Dan Li, Xiu-Zhang Lv, Yuan-Hua Yang
BACKGROUND: Arteriovenous (AV) fistulae is an extremely rare disease of vascular malformation that involves fistulae formation between the systemic and pulmonary AV systems. CASE REPRESENTATION: This case report describes a rare systemic-pulmonary AV fistulae of congenital origin, accompanied by pulmonary hypertension, as determined by aortic angiography and echocardiography. CONCLUSION: Characteristics, diagnosis, and therapeutic approaches of this rare abnormality are explored...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29437680/pulmonary-arteriovenous-fistula-complicated-by-venous-thromboembolism-and-paradoxical-cerebral-infarction-during-early-pregnancy
#18
Hiroshi Tajima, Hajime Kasai, Toshihiko Sugiura, Koichiro Tatsumi
A 39-year-old Japanese woman was diagnosed with a pulmonary arteriovenous fistula (PAVF) complicated by paradoxical cerebral infarction during pregnancy. She received an inferior vena cava filter (IVCF), but it was difficult to indwell because of the risk of repeat thromboembolism via PAVF. Therefore, we temporarily occluded the pulmonary artery with a balloon to prevent free thrombi from reaching the IVCF. Detection and treatment of PAVF are recommended in fertile young women. Obstruction of the pulmonary artery trunk with a balloon catheter may be useful during IVCF removal in patients with untreated PAVF...
February 6, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29422852/recurrent-stroke-in-a-young-woman-with-a-single-pulmonary-arteriovenous-fistula-an-unusual-association
#19
Sandra Sousa, Nuno Vasco Costa, Cátia Carmona, Élia Coimbra, Fernando Pita
Introduction: Cryptogenic stroke is present in about 40% of ischemic stroke patients. Extracardiac shunt related to pulmonary arteriovenous fistula (PAVF) could be a rare potential risk factor for embolic stroke. Most PAVFs are multiple, congenital, and associated with hereditary conditions. On the other hand, isolated PAVFs are rare conditions and an uncommon cause of cryptogenic stoke. Case Report: We describe a case of a young woman without history of respiratory diseases or vascular risk factors, who presented with acute onset of transitory aphasia and right hemiplegia...
September 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/29362005/a-rare-cause-of-cyanosis-in-newborns-arteriovenous-fistula-between-the-right-pulmonary-artery-and-the-left-atrium-and-its-treatment
#20
Kahraman Yakut, Birgul Varan, Murat Ozkan
The formation of a fistula between the right pulmonary artery and the left atrium via a sac is a very rare cyanotic congenital cardiopulmonary defect. A fistula between the pulmonary artery and left atrium may cause cardiac failure in utero. It can safely be treated surgically and in selected cases closure can be performed with transcatheter insertion of a device. In this article, we present a case with a fistula between the right pulmonary artery and the left atrium that was considered unsuitable for transcatheter closure and was safely treated surgically...
April 2018: Cardiology in the Young
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