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Pulmonary vein stenosis

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https://www.readbyqxmd.com/read/29327146/mid-term-outcome-of-100-consecutive-ross-procedures-excellent-survival-but-yet-to-be-a-cure
#1
Corina Zimmermann, Christine Attenhofer Jost, René Prêtre, Christoph Mueller, Matthias Greutmann, Burkhardt Seifert, Emanuela Valsangiacomo Büchel, Oliver Kretschmar, Hitendu Hasmukhlal Dave, Roland Weber
The Ross procedure offers excellent short-term outcome but the long-term durability is under debate. Reinterventions and follow-up of 100 consecutive patients undergoing Ross Procedure at our centre (1993-2011) were analysed. Follow-up was available for 96 patients (97%) with a median duration of 5.3 (0.1-17.1) years. Median age of the patient cohort was 15.2 (0.04-58.4) years with 76 males. 93% had underlying congenital aortic stenosis. Root replacement technique was applied in all. The most common valved conduits used for reconstruction of the right ventricular outflow tract were homografts (66 patients) and bovine jugular vein (ContegraR) graft (31 patients)...
January 12, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29325041/spontaneous-massive-hemothorax-presenting-as-a-late-complication-of-stent-implantation-in-a-patient-with-pulmonary-vein-stenosis-following-radiofrequency-ablation-for-atrial-fibrillation
#2
Andres Obeso, Amara Tilve, Alejandro Jimenez, Johannes Bonatti
Catheter ablation for symptomatic and drug-resistant atrial fibrillation is considered as the main acquired cause of pulmonary vein stenosis in adults. Controversy currently exists about the optimal treatment approach of this entity. Stenting seems to achieve lower vessel restenosis rates than isolated balloon angioplasty. However, these techniques are not exempt from complications. We present a case of spontaneous massive haemothorax presenting as a late complication of stent implantation in a patient with pulmonary vein stenosis...
January 6, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29286428/stenosis-of-the-inferior-vena-cava-a-murine-model-of-deep-vein-thrombosis
#3
Holly Payne, Alexander Brill
Deep vein thrombosis (DVT) and its devastating complication, pulmonary embolism, are a severe health problem with high mortality. Mechanisms of thrombus formation in veins remain obscure. Lack of mobility (e.g., after surgery or long-haul flights) is one of the main factors leading to DVT. The pathophysiological consequence of the lack of mobility is blood flow stagnation in venous valves. Here, a model is described that mimics such flow disturbance as a thrombosis-driving factor. In this model, partial flow restriction (stenosis) in the inferior vena cava (IVC) is created...
December 22, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29273240/balloon-angioplasty-versus-stenting-for-pulmonary-vein-stenosis-after-pulmonary-vein-isolation-for-atrial-fibrillation-a-meta-analysis
#4
Alessandra Buiatti, Gesa von Olshausen, Eimo Martens, Karin Schinke, Karl-Ludwig Laugwitz, Petra Hoppmann, Tareq Ibrahim
BACKGROUND: The incidence of pulmonary vein stenosis (PVS) as complication after pulmonary vein isolation (PVI) for atrial fibrillation (AF) has decreased in the last decade. However, as PVI for AF is becoming more prevalent, the incidence remains considerable in absolute terms. The purpose of this meta-analysis is to investigate the optimal approach for management of PVS after PVI for AF. METHODS AND RESULTS: We searched electronic scientific databases for studies comparing plain balloon angioplasty (BA) versus stenting for PVS after PVI for AF...
December 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29250220/impact-of-radiofrequency-ablation-of-atrial-fibrillation-on-pulmonary-vein-cross-sectional-area-implications-for-the-diagnosis-of-pulmonary-vein-stenosis
#5
Mohammad-Ali Jazayeri, Subba Reddy Vanga, Venkat Vuddanda, Mohit Turagam, Valay Parikh, Madhav Lavu, Sudharani Bommana, Donita Atkins, Jayant Nath, Thomas Rosamond, James Vacek, Y Madhu Reddy, Dhanunjaya Lakkireddy
Introduction: Restoration of normal sinus rhythm by radiofrequency ablation (RFA) in atrial fibrillation (AF) patients can result in a reduction of left atrial (LA) volume and pulmonary vein (PV) dimensions. It is not clear if this PV size reduction represents a secondary effect of overall LA volume reduction or true PV stenosis. We assessed the relationship between LA volume reduction and PV orifice area pre- and post-RFA. Methods: A retrospective cohort study was conducted at a tertiary care academic hospital...
June 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29236953/applications-of-cardiac-computed-tomography-in-electrophysiology-intervention
#6
S Liddy, U Buckley, H K Kok, B Loo, B Glover, G R Dhillon, O Buckley
Cardiac electrophysiology is an evolving specialty that has seen rapid advances in recent years. Concurrently, there has been much progress in the field of cardiac imaging. Electrophysiologists are increasingly requesting cross-sectional imaging in advance of many procedures. Pulmonary vein isolation and left atrial appendage (LAA) occlusion are now an established treatment options for atrial fibrillation. In patients undergoing pulmonary vein isolation, applications of computed tomography (CT) include evaluating the left atrial and pulmonary venous anatomy, excluding LAA thrombus and assessing for pulmonary vein stenosis...
December 9, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29234146/practices-surrounding-pulmonary-hypertension-and-bronchopulmonary-dysplasia-amongst-neonatologists-caring-for-premature-infants
#7
Gabriel Altit, Henry C Lee, Susan Hintz, Theresa A Tacy, Jeffrey A Feinstein, Shazia Bhombal
OBJECTIVE: Pulmonary hypertension (PH) is associated with bronchopulmonary dysplasia (BPD). Screening strategies, a thorough investigation of co-morbidities, and multidisciplinary involvement prior to anti-PH medications have been advocated by recent guidelines. We sought to evaluate current practices of neonatologists caring for premature infants with PH. DESIGN: Electronic survey of American Academy of Pediatrics neonatology members. RESULTS: Among 306 neonatologist respondents, 38% had an institutional screening protocol for patients with BPD; 83% screened at 36 weeks for premature neonates on oxygen/mechanical ventilation...
December 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29223842/interstage-evaluation-of-homograft-valved-right-ventricle-to-pulmonary-artery-conduits-for-palliation-of-hypoplastic-left-heart-syndrome
#8
Nefthi Sandeep, Rajesh Punn, Sowmya Balasubramanian, Shea N Smith, Olaf Reinhartz, Yulin Zhang, Gail E Wright, Lynn F Peng, Lisa Wise-Faberowski, Frank L Hanley, Doff B McElhinney
OBJECTIVE: Palliation of hypoplastic left heart syndrome with a standard nonvalved right ventricle to pulmonary artery conduit results in an inefficient circulation in part due to diastolic regurgitation. A composite right ventricle pulmonary artery conduit with a homograft valve has a hypothetical advantage of reducing regurgitation, but may differ in the propensity for stenosis because of valve remodeling. METHODS: This retrospective cohort study included 130 patients with hypoplastic left heart syndrome who underwent a modified stage 1 procedure with a right ventricle to pulmonary artery conduit from 2002 to 2015...
November 8, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29203761/pulmonary-vein-stenosis-following-single-lung-transplantation-successfully-treated-with-intravascular-ultrasound-guided-angioplasty-and-stent-placement
#9
Yash B Jobanputra, Samir R Kapadia, Douglas R Johnston, Vaseem Ahmed, Brandon M Jones, Marie Budev, Charles Randall Lane, Atul C Mehta
No abstract text is available yet for this article.
December 5, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29142816/unilateral-pulmonary-edema-in-a-patient-with-worsening-tricuspid-valve-regurgitation-a-secret-inside-pulmonary-veins
#10
Elvira Resciniti, Ilaria Caso, Iside Scarfò, Giuseppe Di Pasquale, Giovanni La Canna
We present the case of a 69-year-old patient who was referred to the Department of Echocardiography for surgical treatment of severe tricuspid valve regurgitation (TVR) with advanced congestive heart failure. In 2013 the patient underwent unsuccessful percutaneous ablation for permanent atrial fibrillation. In 2015, following numerous episodes of atrial fibrillation and congestive heart failure with left pleural effusion, the patient was admitted to another center. A transthoracic echocardiogram showed severe TVR and moderate precapillary pulmonary hypertension, confirmed at right cardiac catheterization...
October 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/29136152/concomitant-thoracoscopic-surgery-for-solitary-pulmonary-nodule-and-atrial-fibrillation
#11
Rongxin Lu, Ju Mei, Dongfang Zhao, Zhaolei Jiang, Haibo Xiao, Mingsong Wang, Nan Ma
OBJECTIVES: The incidence of both solitary pulmonary nodules (SPN) and non-valvular atrial fibrillation (NVAF) has increased over the past decade. We performed concomitant video-assisted thoracoscopic surgery with modified epicardial radiofrequency ablation procedure for NVAF and SPN resection. METHODS: Sixteen patients (7 men, mean age 62.6 ± 11.2 years) with SPN and NVAF underwent this procedure. Of these patients, 10 had paroxysmal atrial fibrillation and 6 persistent atrial fibrillation...
November 10, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29131765/comprehensive-cross-sectional-imaging-of-the-pulmonary-veins
#12
Cameron Hassani, Farhood Saremi
The pulmonary veins carry oxygenated blood from the lungs to the heart, but their importance to the radiologist extends far beyond this seemingly straightforward function. The anatomy of the pulmonary veins is variable among patients, with several noteworthy variant and anomalous patterns, including supernumerary pulmonary veins, a common ostium, anomalous pulmonary venous return, and levoatriocardinal veins. Differences in pulmonary vein anatomy and the presence of variant or anomalous anatomy can be of critical importance, especially for preoperative planning of pulmonary and cardiac surgery...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29124006/selective-pulmonary-artery-occlusion-to-treat-hemoptysis-associated-with-pulmonary-venous-obstruction
#13
Melissa S W Yamauchi, Mary Hunt Martin, Harlan R Muntz, Ronald W Day
Hemoptysis may occur in patients with pulmonary venous obstruction and prominent decompressing vessels in the airways adjacent to the affected pulmonary veins. The options for treatment of hemoptysis are limited, particularly when efforts to alleviate pulmonary venous obstruction have failed. Here we describe a patient with hemoptysis associated with stenosis of the central left upper pulmonary vein and occlusion of the central left lower pulmonary vein. The left upper pulmonary vein was dilated with balloon catheters and a vascular plug was placed in the left lower pulmonary artery...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29115016/pulmonary-hypertension-in-stiff-left-atrial-syndrome-pathogenesis-and-treatment-in-one
#14
Micha T Maeder, Reto Nägele, Philipp Rohner, Daniel Weilenmann
We present the rare case of a patient with pulmonary hypertension in the context of the stiff left atrial syndrome after extensive catheter ablation, a unique constellation characterized by high pulmonary artery and pulmonary artery wedge pressures due to left atrial dysfunction but normal left ventricular end-diastolic pressure, normal mitral valve, and absence pulmonary vein stenosis. This patient was surprisingly oligosymptomatic, however, which may have been due to a persistent post-puncture atrial septal defect, which may have allowed for controlled left atrial decompression, which is in line with the novel concept of the catheter-based creation of an intracardiac shunt as a treatment for heart failure...
November 8, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29093410/coronary-artery-spasm-during-cryoballoon-ablation-in-a-patient-with-atrial-fibrillation
#15
Kazuhiro Yajima, Yuichiro Yamase, Hideo Oishi, Noriyuki Ikehara, Yasushi Asai
The patient was a 63-year-old man with drug-resistant atrial fibrillation who developed coronary spasm during cryoballoon ablation (CBA). CBA was started from the left inferior pulmonary vein. ST elevations in II, III, and aVf, with reciprocal ST depressions in V2-5, occurred in association with chest pain just after balloon rewarming and deflation, and the patient's blood pressure fell to 50 mmHg. Coronary angiography revealed 90% diffuse stenosis from the orifice of segment 1 to segment 4 in the right coronary artery...
November 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29089263/successful-balloon-angioplasty-of-pulmonary-artery-stenosis-in-two-cats%C3%A2-and%C3%A2-associated-complications
#16
Donald P Schrope, William D Tyrrell, Kristin A Jacob
Two cats (2.5 months and 8 months old) were each evaluated due to a loud systolic murmur, and each was diagnosed with severe pulmonary artery stenosis at the bifurcation of the main pulmonary artery. Echocardiograms confirmed significant right atrial dilation and right ventricular dilation and/or hypertrophy that was progressive in one cat. Atenolol was initiated and the cats were referred for interventional therapy. Balloon angioplasty was performed via the jugular vein. In case 1, the pressure gradient across the stenosis was reduced from 169...
October 28, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29076080/-recurrent-pain-and-swelling-of-the-left-leg-in-a-49-year-old-male-patient
#17
A T Aschoff, M Pech, F Fischbach, S Harbauer-Gurguta, R Braun-Dullaeus, J Herold
A 49-year-old male patient presented due to recurrent pain and swelling in the left leg. The patient had had deep venous thrombosis with pulmonary embolism 5 years previously. Since then, he had been treated with Vit-k-antagonists. Pronounced paraumbilical collateral circulation of unknown origin was striking. Doppler sonographic evaluation pointed to May-Thurner syndrome. This was confirmed by phlebography. Venous stenting of the stenosis in the left iliac vein achieved long-term symptom improvement. This case report is intended to draw attention to the rare May-Thurner syndrome as an important differential diagnosis of deep vein thrombosis and, at the same time, identify diagnostic and therapeutic treatment strategies...
October 26, 2017: Der Internist
https://www.readbyqxmd.com/read/29069364/pulmonary-vein-stenosis-or-occlusion-after-catheter-ablation-of-atrial-fibrillation-long-term-comparison-of-drug-eluting-versus-large-bare-metal-stents
#18
Thomas Fink, Michael Schlüter, Christian-Hendrik Heeger, Christine Lemes, Tina Lin, Tilman Maurer, Andreas Metzner, Shibu Mathew, Bruno Reissmann, Peter Wohlmuth, Andreas Rillig, Feifan Ouyang, Karl-Heinz Kuck, Roland Richard Tilz
Aims: Pulmonary vein stenosis or occlusion (PVS/O) following catheter ablation of atrial fibrillation is a rare but potentially severe complication. Treatment options include angioplasty with or without stent implantation, but data on outcome and optimal treatment strategy are limited. We report long-term results after catheter-based treatment of patients with symptomatic PVS/O. Methods and results: Retrospective analysis was performed in patients undergoing pulmonary vein (PV) angiography for suspected PVS/O...
October 24, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29054305/scimitar-syndrome-in-children-and-adults-natural-history-outcomes-and-risk-analysis
#19
Hanjay Wang, David Kalfa, Marlon S Rosenbaum, Jonathan N Ginns, Matthew J Lewis, Julie S Glickstein, Emile A Bacha, Paul J Chai
BACKGROUND: Scimitar syndrome involves congenital anomalous pulmonary venous return to the inferior vena cava. Optimal management remains controversial. We describe the natural history of disease, nonsurgical and surgical outcomes, and risk factors for poor outcomes at our institution. METHODS: Patients with anomalous pulmonary venous return to the inferior vena cava documented on echocardiography at our institution between January 1994 and January 2015 were reviewed retrospectively...
October 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29054242/pulmonary-vein-widening-plasty-for-pulmonary-vein-stenosis-and-occlusion-after-catheter-ablation
#20
Bart P Van Putte, Tim Smith, Thom L De Kroon, Ralph J Damiano
We successfully performed a pulmonary vein widening plasty in a patient with pulmonary vein stenosis and occlusion after multiple catheter ablations for paroxysmal atrial fibrillation.
November 2017: Annals of Thoracic Surgery
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