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Branch Pulmonary Artery Stenosis

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https://www.readbyqxmd.com/read/29602248/consequences-of-an-early-catheter-based-intervention-on-pulmonary-artery-growth-and-right-ventricular-myocardial-function-in-a-pig-model-of-pulmonary-artery-stenosis
#1
Melissa L Bates, Petros V Anagnostopoulos, Cole Nygard, Jenna Torgeson, Jamie Reichert, Csaba Galambos, Marlowe W Eldridge, Luke J Lamers
OBJECTIVE: To determine the consequences of an early catheter-based intervention on pulmonary artery (PA) growth and right ventricular (RV) myocardial function in an animal model of branch PA stenosis. BACKGROUND: Acute results and safety profiles of deliberate stent fracture within the pulmonary vasculature have been demonstrated. The long-term impact of early stent intervention and deliberate stent fracture on PA growth and myocardial function is not understood...
March 30, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29577408/the-role-of-intraoperative-epicardial-echocardiography-in-pediatric-cardiac-surgery
#2
Erkut Ozturk, Ibrahim Cansaran Tanidir, Pelin Ayyildiz, Selman Gokalp, Hasan Candas Kafali, Murat Sahin, Yakup Ergul, Sertac Haydin, Alper Guzeltas
AIM: Our aim was to evaluate the findings and the role of intraoperative epicardial echocardiography (IEE) in the management of pediatric cardiac surgery patients. METHODS: Patients evaluated with IEE between December 2015 and December 2017 were analyzed retrospectively. Demographic data, preoperative transthoracic echocardiography (TTE), and IEE reports were evaluated. RESULTS: A total of 410 patients evaluated by IEE were included in the study...
March 25, 2018: Echocardiography
https://www.readbyqxmd.com/read/29564521/post-operative-assessment-of-the-arterial-switch-operation-a-comparison-of-magnetic-resonance-imaging-and-echocardiography
#3
Christopher R Broda, Svetlana B Shugh, Rohan B Parikh, YunFei Wang, Tobias R Schlingmann, Cory V Noel
After an arterial switch operation (ASO), serial imaging is necessary to monitor for maladaptive changes. We compared cardiac magnetic resonance imaging (CMR) to 2-D transthoracic echocardiography (TTE) in assessing post-operative ASO patients. We performed a retrospective review of patients at a single tertiary care center who underwent an ASO and subsequently had a CMR performed from 7/2010 to 7/2016. Those with single ventricle anatomy, congenitally corrected transposition of the great arteries, or previous atrial switch operation were excluded...
March 22, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29546398/novel-aortic-arch-reconstruction-using-a-modified-norwood-procedure-based-on-hypoplastic-left-heart-syndrome-specific-anatomical-malformations
#4
Takeshi Konuma, Syunsuke Sakamoto, Syuhei Toba, Ayano Futsuki, Naoki Yamamoto, Shinji Kanemitsu, Hideto Shimpo
OBJECTIVES: Postoperative left pulmonary artery (PA) or bronchus compression occasionally follows narrowing of the retroaortic space after the Norwood procedure. We examined hypoplastic left heart syndrome (HLHS)-specific anatomical malformations and hypothesized that a long main pulmonary arterial trunk might contribute to a larger retroaortic space. In this study, we introduced a modified Norwood procedure [pulmonary artery trunk-saving method (PATS)] and evaluated the results. METHODS: HLHS-specific anatomical malformations were examined using computed tomographic data from 23 consecutive patients who underwent bilateral pulmonary banding...
March 12, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29492271/ruptured-hepatic-aneurysm-as-first-presenting-symptom-of-polyarteritis-nodosa
#5
Maria Roberto, Vadim Meytes, Shinban Liu
Polyarteritis nodosa (PAN) is an inflammatory vasculitis that creates regions of stenosis and aneurysm formation. The authors describe a 66-year-old female with hepatic artery rupture as the first presentation of undiagnosed PAN, presenting with abdominal pain followed by hemorrhagic shock. This aneurysm was suture ligated with a successful outcome. A mesenteric arteriogram demonstrated lesions consistent with PAN including aneurysms of the left gastric branches, right and left hepatic arteries, and beaded appearance of the iliac artery...
February 2018: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29480834/percutaneous-treatment-for-silicosis-induced-pulmonary-artery-stenosis-a-case-report-and-review-of-the-literature
#6
Ruifeng Zhang, Guofeng Ma, Xiaoling Xu, Li Liang
BACKGROUND: Exposure to crystalline silica results in silicosis with initiation and progression of pulmonary fibrosis. The impaired lung parenchyma leads to pulmonary arterial hypertension and increased pressure in the right ventricle of the heart. Usually, the silicosis may be followed by enlargement of hilar lymphnodes, but silicosis-induced pulmonary artery stenosis with severe pulmonary hypertension is rare. Percutaneous pulmonary artery stenting and balloon angioplasty were performed to relieve stenosis and pulmonary hypertension...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29468351/large-calibre-self-expanding-stents-for-pulmonary-stenosis-after-the-arterial-switch-a-low-risk-solution-to-a-low-flow-situation
#7
Gareth J Morgan, Kuberan Pushparajah, Srinivas Narayan, Eric Rosenthal
Branch pulmonary artery stenosis is one of the most common complications late after the arterial switch operation. The pathophysiology of stenosis in these circumstances is very different to that encountered in with normally related great vessels. The LeCompte manoeuvre leaves the pulmonary arteries straddled and stretched over the aortic root which contributing significantly to the degree of stenosis encountered. Unilateral branch pulmonary artery stenosis rarely leads to significant symptoms in young patients with biventricular repairs; however, significant discrepancies in the split flows between right and left lung may place the patient in an unfavourable physiological position as they move in to middle age...
February 22, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29451683/prenatal-diagnosis-of-anomalous-origin-of-pulmonary-artery
#8
Xuelei Li, Zhongping Mu, Xu Li, Zongjie Weng
BACKGROUND: Anomalous origin of the pulmonary arteries is a rare congenital pulmonary vascular malformation, that includes unilateral absence of the pulmonary artery (UAPA), anomalous origin of unilateral pulmonary artery (AOPA) and left pulmonary artery sling (LPAS). METHODS: We analyze 15 cases of fetal pulmonary artery abnormalities from 2011 to 2017, detected via prenatal ultrasound at our center. RESULTS: The 15 cases include UAPA (five), AOPA (six), and LPAS (four)...
February 16, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29428623/modified-repair-of-type-i-and-ii-truncus-arteriosus-limits-early-right-ventricular-outflow-tract-re-operation
#9
Clauden Louis, Michael F Swartz, Bartholomew V Simon, Jill M Cholette, Nader Atallah-Yunes, Hongyue Wang, Francisco Gensini, George M Alfieris
OBJECTIVE: Repair of truncus arteriosus often requires early right ventricular outflow tract (RVOT) re-operation. Using a modified repair the branch pulmonary arteries are left in-situ, which may avoid earlier RVOT reoperation. We hypothesized that our modified repair for Type I and II truncus arteriosus would extend the time to RVOT re-operation. METHODS: Infants with truncus arteriosus were divided into two groups: A) Traditional technique where the branch pulmonary arteries are excised from the truncal root, or B) Modified repair where the branch pulmonary arteries are left in-situ and septated from the truncal root...
February 8, 2018: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29396581/routine-cardiac-catheterization-prior-to-fontan-operation-is-it-a-necessity
#10
Bassel Mohammad Nijres, Joshua J Murphy, Karim Diab, Sawsan Awad, Ra-Id Abdulla
Prior to the Fontan procedure, patients with single ventricle physiology with Glenn shunt are typically referred for cardiac catheterization to assess hemodynamics and potentially provide interventional measures. Currently, echocardiography provides detailed information which together with other non-invasive imaging such as CT scan and MRI may obviate the need for routine cardiac catheterization prior to the Fontan procedure. In this study, we examine the findings in cardiac catheterization in this population to determine: (a) the accuracy of echocardiography in providing adequate information prior to the Fontan procedure, particularly in identifying those in need of per-catheter intervention, and (b) the percentage of patients requiring interventional procedures during cardiac catheterization...
February 3, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29349526/normal-pulmonary-artery-and-branch-pulmonary-artery-sizes-in-children
#11
S Bruce Greenberg, Sean M Lang, C Heath Gauss, Shelly Y Lensing, Sumera Ali, Karen A Lyons
To establish standards for pulmonary artery and branch pulmonary artery (PA and BPA) effective diameter (ED) and cross-sectional area (CSA) by using computed tomography (CT) data in children of a wide range of sizes and investigate the roundness of arteries. The ED (average of short and long axes) and CSA for the PA and BPA were measured using 1-mm collimation double-oblique reconstructions. Ordinary least squares regression was used to investigate models with various functional forms that related ED and CSA to patient size...
January 18, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29310560/staged-palliation-of-cyanotic-obstructive-lesions-with-a-modified-right-ventricular-outflow-procedure
#12
Sarosh P Batlivala, Mary K Hood, Jannika Dodge-Khatami, Divya Shakti, Mary B Taylor, Makram R Ebeid, Jorge D Salazar, Ali Dodge-Khatami
BACKGROUND: Traditional palliation for biventricular cyanotic congenital heart lesions often involves staging with systemic-to-pulmonary arterial shunts to secure pulmonary blood flow (PBF) in the newborn period prior to complete repair. However, shunts may lead to life-threatening events secondary to shunt occlusion or acute coronary steal. They may be associated with morbidity secondary to diastolic runoff, systemic steal and volume loading, and do not provide pulsatile flow which has the potential to promote pulmonary artery (PA) growth...
January 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29233233/chromosome-22q11-deletion-in-a-patient-with-pulmonary-atresia-intact-ventricular-septum-and-confluent-branch-pulmonary-arteries
#13
Varun Aggarwal, Michaki Imamura, Carlos Acuna, Antonio G Cabrera
In this study, we report a patient with pulmonary atresia with intact ventricular septum (PA/IVS), confluent pulmonary arteries supplied by an arterial duct, and chromosome 22q11.2 microdeletion. The 22q11.2 deletion syndrome has been associated with anomalies of the outflow tracts, such as tetralogy of Fallot with either pulmonary stenosis or atresia, but we are aware of a solitary case described with pulmonary atresia when the ventricular septum is intact. The presence of genetic malformations can have long-term co-morbidities...
March 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29199861/stenting-the-complex-patent-ductus-arteriosus-in-tetralogy-of-fallot-with-pulmonary-atresia-challenges-and-outcomes
#14
Rizwan Rehman, Mood Che Marhisham, Mazeni Alwi
Patent ductus arteriosus (PDA) stenting has gained acceptance for palliation in cyanotic congenital heart disease. The PDA in tetralogy of Fallot with pulmonary atresia (ToF-PA) arises, in the left aortic arch, from underneath the arch and connects to the proximal left pulmonary artery, often resulting in stenosis. The PDA is usually elongated and tortuous, making stent implantation challenging. Shorter duration of palliation, aggravation of branch pulmonary artery stenosis resulting in poor growth and difficulty at surgery makes ductal stenting controversial...
January 2018: Future Cardiology
https://www.readbyqxmd.com/read/29124006/selective-pulmonary-artery-occlusion-to-treat-hemoptysis-associated-with-pulmonary-venous-obstruction
#15
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/29119033/the-utility-of-mri-in-the-diagnosis-of-takayasu-arteritis
#16
Marian Gaballah, Rachelle Goldfisher, John B Amodio
Takayasu Arteritis (TA) is an inflammatory disorder involving the thoracoabdominal aorta and its branches and the pulmonary arteries, with eventual vascular stenosis, occlusion, or aneurysm formation. Conventional angiography has been the reference imaging standard for diagnosis of TA. The purpose of this case report is to demonstrate the utility of MR imaging and MR angiography in the diagnosis of Takayasu Arteritis in a pediatric patient. The patient is a 15-year-old female patient presenting with anemia, hypertension, and acute kidney injury...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29098350/reintervention-burden-and-vessel-growth-after-surgical-reimplantation-of-a-pulmonary-artery-during-childhood
#17
Stephan J Wu, Tacy Downing, Christopher Mascio, Matthew J Gillespie, Yoav Dori, Jonathan J Rome, Andrew C Glatz
Children requiring reimplantation of a branch pulmonary artery (PA) are at risk for postoperative stenosis and impaired growth of the reimplanted PA. Outcomes and risk factors for reintervention and impaired growth are incompletely described. We reviewed data on patients who underwent reimplantation of a branch PA between 1/1/99 and 5/1/15 at a single center. The primary outcome was reintervention to treat postoperative stenosis. The secondary outcome was "catch-up" growth (faster diameter growth of the affected PA compared with the unaffected PA from the preoperative to follow-up measurements...
November 2, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29089263/successful-balloon-angioplasty-of-pulmonary-artery-stenosis-in-two-cats-and-associated-complications
#18
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...
December 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29067078/tetralogy-of-fallot-repair-in-patients-presenting-after-infancy-a-single-surgeon-experience
#19
Tariq Waqar, Muhammad Usman Riaz, Tania Mahar
OBJECTIVE: To determine the early surgical outcomes of Tetralogy of Fallot (TOF) repair in children and young adults operated after the age of one year. METHODS: In this retrospective study, 307 cases of primary repair of Tetralogy of Fallot were done between September 2012 to February 2017, at CPE Institute of cardiology, Multan. Out of 307 operated patients, 4 (1.3%) patients had previous modified Blalock Taussig shunts, 2 (0.6%) associated ASD with TOF, 3 (0...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29056679/coronary-artery-anomalies-in-animals
#20
REVIEW
Brian A Scansen
Coronary artery anomalies represent a disease spectrum from incidental to life-threatening. Anomalies of coronary artery origin and course are well-recognized in human medicine, but have received limited attention in veterinary medicine. Coronary artery anomalies are best described in the dog, hamster, and cow though reports also exist in the horse and pig. The most well-known anomaly in veterinary medicine is anomalous coronary artery origin with a prepulmonary course in dogs, which limits treatment of pulmonary valve stenosis...
April 12, 2017: Veterinary Sciences
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