Pulmonary Artery Stenosis

01/01/1993 - "Using ACG as the gold standard, MRI was sensitive in the detection of pulmonary artery stenosis. "

05/01/1990 - "The study suggests (1) that in an experimental acute state of reduced cardiac output due to pulmonary artery stenosis with constantly increased right heart pressures, raised endogenous atrial natriuretic peptide failed to induce diuresis and natriuresis; (2) that in acute right heart failure, renin and aldosterone secretion could not be suppressed by raised atrial natriuretic peptide concentrations; and (3) atrial natriuretic peptide secretion seemed to be exhausted after 6 h continuous atrial distension."

05/01/1990 - "The study suggests (1) that in an experimental acute state of reduced cardiac output due to pulmonary artery stenosis with constantly increased right heart pressures, raised endogenous atrial natriuretic peptide failed to induce diuresis and natriuresis; (2) that in acute right heart failure, renin and aldosterone secretion could not be suppressed by raised atrial natriuretic peptide concentrations; and (3) atrial natriuretic peptide secretion seemed to be exhausted after 6 h continuous atrial distension."

01/01/2022 - "The aim of the study was to evaluate the efficacy and safety of stenting for branch pulmonary artery stenosis using a biodegradable nitride iron stent (IBS® Angel™) and right ventricular systolic and diastolic function. "

05/01/1990 - "The study suggests (1) that in an experimental acute state of reduced cardiac output due to pulmonary artery stenosis with constantly increased right heart pressures, raised endogenous atrial natriuretic peptide failed to induce diuresis and natriuresis; (2) that in acute right heart failure, renin and aldosterone secretion could not be suppressed by raised atrial natriuretic peptide concentrations; and (3) atrial natriuretic peptide secretion seemed to be exhausted after 6 h continuous atrial distension."

01/01/2021 - "Based on our results, we speculate that this may be the main molecular mechanism underlying the mutation-led functional changes, and propose that the decrease of ELN protein level may cause this pedigree vascular abnormality, especially pulmonary artery stenosis, and reinforce the view that ELN insufficiency is the primary cause of these vascular lesions. "
09/15/1977 - "Protein synthesis during right-ventricular hypertrophy after pulmonary-artery stenosis in the dog."
09/15/1977 - "The rate of protein synthesis in the heart of normal dogs and those with pulmonary-artery stenosis was measured by a continuous intravenous infusion of [14C]tyrosine. "
01/01/1980 - "The fractional synthesis rates of collagen and noncollagen protein in the right ventricle of the dog have been measured during hypertrophy after pulmonary artery stenosis. "
11/01/2016 - "After the intervention of fluoxetine,pulmonary artery stenosis was significantly reduced,myocardial tissue lesion decreased,collagen synthesis decreased in right ventricular myocardium.RT-PCR showed that mRNA of Nogo-A decreased,and mRNA of Nogo-B increased (P<0.05).Western blot showed that the expression of Nogo-A protein decreased,while Nogo-B1 protein expression increased (P<0.05),Nogo-B2 expression was not significantly changed (P>0.05). "

01/01/2021 - "Utilizing the pathogenicity score and inheritance mode from whole exome sequencing results, a heterozygous mutation (NM_001278939.1: c.1939G>T, p.Gly647Ter) in elastin (ELN) was identified among 6,440 variants in a female proband born with an atrial septal defect accompanied by pulmonary artery stenosis. "
07/01/2021 - "Patients with Williams and elastin arteriopathy syndromes often have similar cardiac phenotypes characterized by supravalvar aortic stenosis (SVAS), peripheral pulmonary artery stenosis (PPAS), and coronary artery ostial stenosis (CAOS). "
03/01/2008 - "To the best of our knowledge, this is the first report describing spontaneous development of pulmonary artery aneurysms in a patient with peripheral pulmonary artery stenoses due to mutation of the elastin gene or Williams-Beuren syndrome."
03/01/2008 - "Spontaneous development and rupture of pulmonary artery aneurysm: a rare complication in an infant with peripheral pulmonary artery stenoses due to mutation of the elastin gene."
01/01/2023 - "Peripheral pulmonary artery stenosis (PPAS) is a relatively rare form of congenital heart disease often associated with Williams syndrome, Alagille syndrome, and elastin arteriopathy. "

11/01/1981 - "The fractional synthesis rate of collagen (the percent of total ventricular collagen synthesized in one day) was measured in the hearts of normal dogs and those with pulmonary artery stenosis using a continuous 6-h intravenous infusion of [14C]proline. "
01/01/1980 - "The fractional synthesis rates of collagen and noncollagen protein in the right ventricle of the dog have been measured during hypertrophy after pulmonary artery stenosis. "
11/01/2016 - "After the intervention of fluoxetine,pulmonary artery stenosis was significantly reduced,myocardial tissue lesion decreased,collagen synthesis decreased in right ventricular myocardium.RT-PCR showed that mRNA of Nogo-A decreased,and mRNA of Nogo-B increased (P<0.05).Western blot showed that the expression of Nogo-A protein decreased,while Nogo-B1 protein expression increased (P<0.05),Nogo-B2 expression was not significantly changed (P>0.05). "

01/01/2013 - "One patient with the ADO I and 5 patients with the ADO II (7.8 %) developed varying degrees of left pulmonary artery stenosis or iatrogenic aortic coarctation. "
04/01/2010 - "The Amplatzer duct occluder (ADO) has been used with success to close large patent ductus arteriosus (PDA), but some problems exist especially with hypertensive PDAs, such as incomplete closure, haemolysis, left pulmonary artery stenosis, obstruction of the descending aorta and progressive pulmonary vascular disease. "
12/01/2018 - "Devices included AVP II (n = 421), ADO II AS (n = 30), and AVP IV (n = 18), left pulmonary artery stenosis occurred in 4.3% (n = 20). "

01/01/2021 - "ANCA (Antineutrophil Cytoplasmic Antibody)-Associated Pulmonary Vasculitis Causing Pulmonary Artery Stenosis: The Value of Multimodality Imaging in the Clinical Workup."
01/20/2020 - "A Rare Case of Inflammatory Myofibroblastic Tumor Causing Left Pulmonary Artery Stenosis and Successfully Treated with Localized Radiotherapy in a Patient with Perinuclear Antineutrophil Cytoplasmic Antibody Vasculitis."

03/01/2015 - "Pul-Stent tracking and delivery was excellent, the initial experience has shown that Pul-stent implantation was effective and safe in treating post-operative branch pulmonary artery stenosis. "
02/01/2004 - "The pulmonary artery stenosis was successfully relieved by percutaneous transluminal balloon angioplasty and implantation of a balloon-expandable stent. "
01/01/2019 - "Children with branch pulmonary artery stenosis represent a challenging cohort for stenting Premounted stent implantation provides immediate obstruction relief and hemodynamic improvement in infants Planned stent intervention is required to account for somatic growth and next stage palliation in children Continued slenderization of adult coronary and peripheral interventions, stent technology, and delivery systems may allow for more durable solutions in light of patient size."
06/01/2000 - "Compared to conventional balloon angioplasty in our series, stents were more effective in the treatment of patients with peripheral pulmonary artery stenosis after ASO. "
01/01/1998 - "More recently, the judicious application of stent implantation has improved the outlook for pulmonary artery stenosis. "

11/29/2011 - "We sought to determine the safety and efficacy of Cutting Balloon therapy (CB) compared with conventional high-pressure balloon therapy (HPB) for the treatment of pulmonary artery stenosis. "
11/29/2011 - "CB therapy for pulmonary artery stenosis not responsive to low-pressure balloon is more effective than HPB therapy and has an equivalent safety profile."
02/01/2019 - "A review: Percutaneous pulmonary artery stenosis therapy: state-of-the-art and look to the future."
03/01/2015 - "PH-specific therapies or revascularization may be effective treatments in the early stages of patients with PA, PH, and severe pulmonary artery stenosis."
08/01/2013 - "Outcomes after primary transcatheter therapy in infants and young children with severe bilateral peripheral pulmonary artery stenosis."

02/15/2011 - "Planning of catheter interventions for pulmonary artery stenosis: improved measurement agreement with magnetic resonance angiography using identical angulations."
10/01/2021 - "This study assessed the ability of hemodynamic simulations to predict the success of catheter interventions in a swine model of branch pulmonary artery stenosis (bPAS). "
02/01/2022 - "Correction to: Non-invasive MRI Derived Hemodynamic Simulation to Predict Successful vs. Unsuccessful Catheter Interventions for Branch Pulmonary Artery Stenosis: Proof-of-Concept and Experimental Validation in Swine."
10/01/2021 - "Non-invasive MRI Derived Hemodynamic Simulation to Predict Successful vs. Unsuccessful Catheter Interventions for Branch Pulmonary Artery Stenosis: Proof-of-Concept and Experimental Validation in Swine."
01/01/2018 - "Consequences of an early catheter-based intervention on pulmonary artery growth and right ventricular myocardial function in a pig model of pulmonary artery stenosis."

01/01/2016 - "Hybrid stenting of the retroaortic pulmonary artery at the bidirectional Glenn or Fontan operation is an effective treatment of pulmonary artery stenosis and prevents the need for a complex surgical arterioplasty."
05/01/2016 - "Here we report on a 5.5-year-old boy who showed failing Fontan circulation due to left pulmonary artery stenosis/hypoplasia and significant forward pulmonary blood flow through the native pulmonary artery. "
04/01/2016 - "Herein, we described a simple modification, which we referred to as T-Fontan procedure, to prevent right pulmonary artery stenosis after extracardiac Fontan operation. "
04/01/2016 - "Prevention of Right Pulmonary Artery Stenosis in Fontan Circulation: The Melbourne Modification of T-Fontan Operation."
12/01/2014 - "Central pulmonary artery stenosis was detected in 6 patients (4 with u-BDG and 2 with b-BDG), 4 of whom (2 from each group) underwent balloon pulmonary artery plasty before the Fontan procedure. "

09/19/2023 - "Although right ventricle-to-pulmonary artery shunt appeared to be superior in the early period, the two shunts applied during the Norwood procedure demonstrated comparable long-term prognosis despite high reintervention rates in right ventricle-to-pulmonary artery shunt due to pulmonary artery stenosis. "
07/01/2021 - "We herein report two cases in which ascending aortic extension was performed to enlarge the retroaortic space in children with left pulmonary artery stenosis after the Norwood procedure. "
07/01/2021 - "Left pulmonary artery stenosis is a well-recognized complication following the Norwood procedure. "
08/01/2015 - "Aortic arch reconstruction in the Norwood procedure is occasionally associated with postoperative airway and branch pulmonary artery stenosis, as well as recoarctation. "
06/01/2013 - "It is unclear whether the shunt type or position in the Norwood procedure is associated with the risk of the development of pulmonary artery stenosis. "