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pulmonary artery stenosis

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https://www.readbyqxmd.com/read/28448421/multislice-computed-tomography-assessment-of-tracheobronchial-patterns-in-partial-anomalous-left-pulmonary-artery
#1
Shi-Yu Wang, Wei Gao, Yu-Min Zhong, Ai-Min Sun, Qian Wang, Li-Wei Hu, Hai-Sheng Qiu, Jian-Ying Li, Richard B Jaffe
OBJECTIVE: The aim of this study was to present relationship between partial anomalous left pulmonary artery (PALPA) and the tracheobronchial tree and patterns of the tracheobronchial tree assessed by multislice computed tomography (MSCT). METHODS: Nine patients were assessed by MSCT. The relationships between the tracheobronchial tree and PALPA and different tracheobronchial patterns, location of tracheobronchial stenosis, severity of stenosis, and associated cardiac defects were evaluated...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28443268/complicated-postoperative-course-after-pulmonary-artery-sling-repair-and-slide-tracheoplasty
#2
Angelika Weber, Birgit Donner, Marie-Hélène Perez, Stefano Di Bernardo, Daniel Trachsel, Kishore Sandu, Nicole Sekarski
Pulmonary artery sling (PAS) is a rare congenital condition in which the left pulmonary artery (LPA) arises from the right pulmonary artery, and then passes between the trachea and the esophagus to reach the left lung, thereby forming a sling around the airway. It is often associated with intrinsic tracheal stenosis due to complete cartilaginous rings. Therapeutic management nowadays consists of one-stage reimplantation of the LPA and tracheoplasty with cardiopulmonary bypass support. Here, we present a 7-week-old boy with PAS and long-segment tracheal stenosis (LSTS) who underwent surgical intervention consisting of reimplantation of the LPA and slide tracheoplasty...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28441821/-assessment-of-undiagnosed-critical-congenital-heart-disease-before-discharge-from-the-maternity-hospital
#3
Q M Zhao, F Liu, L Wu, M Ye, B Jia, X J Ma, G Y Huang
Objective: Undiagnosed critical congenital heart disease (CCHD) was assessed before discharge from maternity hospital.Basic information was provided for screening CCHD in the early neonatal stage.Chi-squared test was used for comparison of categorical variables(detection rate of different types of CCHD). Method: A retrospective cohort study was conducted in neonates with CCHD who were admitted to Children's Hospital of Fudan University between 1 January 2012 and 31 December 2015. For comparing with the previously reported undiagnosed rate of CCHD at discharge, CCHD was defined as all duct dependent congenital heart disease (DDCHD) and any cyanotic CHD that required early surgery...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28441641/low-volume-contrast-ct-angiography-via-pulmonary-artery-injection-for-measurement-of-aortic-annulus-in-patients-undergoing-transcatheter-aortic-valve-replacement
#4
Vien T Truong, Joseph Choo, Luke McCoy, Adam Mussman, Stephanie Ambach, Dean Kereiakes, Ian Sarembock, Wojciech Mazur
OBJECTIVES: To investigate the feasibility and image quality of low-dose contrast computed tomography (CT) angiography with pulmonary artery (PA) protocol. BACKGROUND: Aortic stenosis is the most common valvular heart disease and transcatheter aortic valve replacement (TAVR) has evolved as an alternative method for surgical valve replacement in intermediate-risk and high-risk surgical patients. CT is essential for measurement of aortic annulus prior to TAVR. METHODS: Twenty patients underwent a low-dose contrast study with PA protocol and 20 patients underwent a traditional-dose study (traditional protocol)...
May 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28440519/-prevention-diagnosis-and-treatment-of-perioperative-complications-of-bariatric-and-metabolic-surgery
#5
Haifu Wu, Ming Zhong, Di Zhou, Chenye Shi, Heng Jiao, Wei Wu, Xinxia Chang, Jing Cang, Hua Bian
Surgical operation in treating obesity and type 2 diabetes is popularizing rapidly in China. Correct prevention and recognition of perioperation-related operative complications is the premise of ensuring surgical safety. Familiar complications of the operation include deep venous thrombosis, pulmonary artery embolism, anastomotic bleeding, anastomotic fistula and marginal ulcer. The prevention of deep venous thrombosis is better than treatment. The concrete measures contain physical prophylaxis (graduated compression stocking and intermittent pneumatic compression leg sleeves) and drug prophylaxis (unfractionated heparin and low molecular heparin), and the treatment is mainly thrombolysis or operative thrombectomy...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28414663/not-another-acs-rule-out
#6
S Preston, R Nelson, M Watts, D Smith, T Dewenter, D Spruill
CASE: A 50 year old African-American woman with diabetes, hypertension, and hyperlipidemia presented with progressively worsening retro-sternal chest pain, exacerbated by activity and relieved by rest. She also endorsed a thirty-pound unintentional weight loss, and dysphagia. She was dysarthric with left-sided Bell's Palsy and a palpable left axillary lymph node. She had been evaluated at several hospitals in the previous months for similar typical chest pain. Her troponin values were normal, and an EKG showed T-wave inversions in leads I and aVL...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413438/a-case-report-of-brief-psychotic-disorder-with-catalepsy-associated-with-sequential-life-threatening-events-in-a-patient-with-advanced-cancer
#7
Mayumi Ishida, Satoshi Kawada, Hideki Onishi
BACKGROUND: Cancer is commonly perceived as life-threatening and universally stressful; however, brief psychotic disorder, which occurs in response to extremely stressful events, has not been reported. CASE PRESENTATION: A 63-year-old woman, who was diagnosed as having pancreatic cancer with liver metastasis, became unresponsive with very little reaction to verbal contact after sequential life-threatening events, such as thrombosis of both pulmonary arteries and stenosis of the third portion of the duodenum, due to disease progression over 3 weeks beginning with oncological emergency hospital admission...
2017: BioPsychoSocial Medicine
https://www.readbyqxmd.com/read/28410589/lung-involvement-in-childhood-onset-granulomatosis-with-polyangiitis
#8
REVIEW
Giovanni Filocamo, Sofia Torreggiani, Carlo Agostoni, Susanna Esposito
Granulomatosis with polyangiitis is an ANCA-associated systemic vasculitis with a low incidence in the pediatric population. Lung involvement is a common manifestation in children affected by granulomatosis with polyangiitis, both at disease's onset and during flares. Its severity is variable, ranging from asymptomatic pulmonary lesions to dramatic life-threatening clinical presentations such as diffuse alveolar haemorrhage. Several radiologic findings have been described, but the most frequent abnormalities detected are nodular lesions and fixed infiltrates...
April 14, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28408704/changing-use-patterns-for-99m-tc-maa-from-2000-to-2015
#9
James A Ponto
Since the early 2000's, evaluation of pulmonary embolism (PE) has shifted from (99m)Tc macroaggregated albumin (MAA) perfusion lung scans to CT angiography (CTA). (99m)Tc MAA continues to be used in patients with contraindications to CTA and for other uses. A reduced number of MAA particles is used in patients with pulmonary hypertension (PH) or other risk factors. This study assessed the changing use patterns for (99m)Tc MAA by comparing snap-shots of procedures in 2000 and in 2015 in one institution. Methods: Records for all patients receiving (99m)Tc MAA in the year 2000 and in 2015 were reviewed, making note of the imaging procedure, any contraindication to CTA, and if a reduced number of MAA particles was used...
April 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28402400/unplanned-cardiac-reoperations-and-interventions-during-long-term-follow-up-after-the-norwood-procedure%C3%A2
#10
Eva Sames-Dolzer, Gregor Gierlinger, Michaela Kreuzer, Julia Schrempf, Roland Gitter, Christoph Prandstetter, Gerald Tulzer, Rudolf Mair
OBJECTIVES: Patients with hypoplastic left heart syndrome or related malformations are predominantly treated with a 3-stage palliation. Anatomic or physiologic problems can lead to unplanned additional surgical or catheter interventions during single ventricle palliation. Changes in operative technique may have an impact on the reoperation rate. METHODS: Between 1997 and 2014, 317 Norwood procedures were performed at our centre. A retrospective single centre investigation was carried out concerning incidence, timing, indication and type of unplanned interstage cardiac reoperations and catheter interventions during follow-up of Norwood patients...
April 11, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28386460/reversal-of-abnormal-cardiac-parameters-following-mitral-valve-replacement-for-severe-mitral-stenosis-in-relation-to-pulmonary-artery-pressure-a-retrospective-study-of-noninvasive-parameters-early-and-late-pattern
#11
REVIEW
Usha T Parvathy, Rajesh Rajan, Alexander Georgevich Faybushevich
BACKGROUND AND OBJECTIVES: Although the regression of pulmonary hypertension (PH) in mitral stenosis (MS) has been studied over varying periods postintervention, corresponding studies on the cardiac chamber alterations after surgery are very limited. We sought to determine the degree of reversal of these and the clinical status in connection with that of pulmonary artery pressures (PAPs) in the early and late postoperative periods. METHODS: The preoperative, early, and 1-year postoperative data - functional class (FC), cardiothoracic ratio (CTR) in chest X-ray (CXR), and echocardiographically left atrium (LA), right atrium (RA), right ventricle (RV), left ventricle (LV), and pulmonary artery (PA) dimensions, PAP, tricuspid regurgitation (TR) - of 50 patients who had mitral valve replacement (MVR) for MS with PH were retrospectively analyzed for correlations with PAP (Pearson's), and their change (t-test), in relation to that in PAP...
June 1, 2016: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28385408/tricuspid-regurgitation-does-not-impact-right-ventricular-remodeling-after-percutaneous-pulmonary-valve%C3%A2-implantation
#12
Daniel Tanase, Peter Ewert, Stanimir Georgiev, Christian Meierhofer, Jelena Pabst von Ohain, Doff B McElhinney, Alfred Hager, Andreas Kühn, Andreas Eicken
OBJECTIVES: This study sought to investigate the impact of tricuspid regurgitation (TR) on right ventricular function after percutaneous pulmonary valve implantation (PPVI). BACKGROUND: PPVI provides a less invasive alternative to surgery in patients with right ventricular-to-pulmonary artery (RV-PA) conduit dysfunction. Recovery of the right ventricle has been described after PPVI for patients with pulmonary stenosis and for those with pulmonary regurgitation. Additional TR enforces RV dysfunction by supplemental volume overload...
April 10, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28378573/bispectral-index-guided-sedation-in-transfemoral-transcatheter-aortic-valve-implantation-a-retrospective-control-study
#13
Wei He, Rong-Rong Huang, Qing-Yu Shi, Xian-Bao Liu, Jian-An Wang, Min Yan
OBJECTIVE: Transcatheter aortic valve implantation (TAVI) is a minimally invasive therapy for elderly patients with severe aortic valve stenosis who were refused surgical aortic valve replacement because of the high perioperative risk. Traditionally, this procedure has been done under general anesthesia, but more recently local anesthesia and sedation have become popular. This research assessed the effectiveness of transfemoral TAVI under bispectral index (BIS)-guided sedation. METHODS: In this single-center retrospective control analysis, clinical data, including demographic characteristics, echocardiography, periprocedural data, and main complications, were collected and assessed in 113 patients undergoing TAVI through the femoral artery under general anesthesia (GA group, n=36) and under BIS-guided sedation (SED group, n=77)...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28378162/coronary-flow-reserve-in-mitral-stenosis-before-and-after-percutaneous-balloon-mitral-valvuloplasty
#14
Ragab A Mahfouz, Mohammad Gouda, Waleed Elawdy, Ashraf Dewedar
We aimed to evaluate the coronary flow reserve (CFR) before and after percutaneous balloon mitral valvuloplasty (PBMV) in patients with mitral stenosis (MS) and its association to clinical events. A prospective study included 45 patients with mitral stenosis candidate for PBMV (age 38 ± 19 years, 27 were females) and 20 with matched age and sex, healthy controls were included in the study. Noninvasive CFR was measured using transthoracic echocardiography and utilizing adenosine stress echocardiography (0...
April 4, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28371854/the-effect-of-revascularization-in-patients-with-anatomically-significant-atherosclerotic-renovascular-disease-presenting-with-high-risk-clinical-features
#15
Diana Vassallo, James Ritchie, Darren Green, Constantina Chrysochou, PhilipA Kalra
Background.: Patients with atherosclerotic renovascular disease (ARVD) and high-risk clinical presentations have largely been excluded from randomized controlled trials comparing renal revascularization and optimal medical therapy. Here, we explore the effect of revascularization on death, progression to end-stage kidney disease (ESKD) and cardiovascular events (CVE) in a highly selected cohort of patients with ARVD. Methods.: All patients with a radiological diagnosis of ARVD referred to our tertiary centre have been recruited into a single-centre cohort study between 1986 and 2014...
March 23, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28370259/regional-right-ventricular-remodeling-and-function-in-children-with-idiopathic-pulmonary-arterial-hypertension-vs-those-with-pulmonary-valve-stenosis-insights-into-mechanics-of-right-ventricular-dysfunction
#16
Mieke M P Driessen, Folkert J Meijboom, Wei Hui, Andreea Dragulescu, Luc Mertens, Mark K Friedberg
BACKGROUND: Right ventricular (RV) pressure overload in the context of pulmonary stenosis (PS) has a much better prognosis than in the context of idiopathic pulmonary arterial hypertension (iPAH), which may be related to differences in global and regional RV remodeling and systolic function. We compared RV mechanics in children with PS to those with iPAH, aiming to identify mechanisms and markers of RV dysfunction. METHODS: Eighteen controls, 18 iPAH and 16 PS patients were retrospectively studied...
April 1, 2017: Echocardiography
https://www.readbyqxmd.com/read/28359497/repair-of-atrioventricular-septal-defect-and-transposition-in-left-isomerism
#17
Kenji Suzuki, Mitsuru Aoki, Ikuo Hagino, Tomohiro Saito, Ryogo Hoki, Akitoshi Takazawa, Shou Akiyama
We report the successful primary anatomic correction of an atrioventricular septal defect with transposition of the great arteries and pulmonary stenosis in a 4-year-old girl with left isomerism by common atrioventricular valve division, Mustard-type atrial septation, and a Rastelli operation with ventricular septal defect enlargement. To the best of our knowledge, this is the first report of total correction for this combination of cardiac anomalies.
April 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28358604/infundibular-pulmonic-stenosis-in-a-moluccan-cockatoo-cacatua-moluccensis
#18
Graham Zoller, David Sanchez-Migallon Guzman, Noémie Summa, Krista A Keller, Sarah J Silverman, Joshua A Stern
A 31-year-old female Moluccan cockatoo (Cacatua moluccensis) was examined for intermittent foot clenching of 4 months' duration. Physical examination revealed feather-destructive behavior and clinical findings compatible with hypovitaminosis A. Neurologic examination was unremarkable. Results of radiographs, hematologic testing, plasma biochemical analyses, and measurement of lead and trace element blood concentrations were unremarkable, except for degenerative joint disease of several thoracic intervertebral joints and a low blood copper concentration...
March 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28347726/expanding-the-cardiac-spectrum-of-noonan-syndrome-with-rit1-variant-left-main-coronary-artery-atresia-causing-sudden-death
#19
Francis Ramond, Sébastien Duband, Pierre Croisille, Hélène Cavé, Georges Teyssier, Véronique Adouard, Renaud Touraine
Noonan syndrome is a well-known genetic condition associating congenital heart defects, short stature, and distinctive facial features. Pulmonary valve stenosis and hypertrophic cardiomyopathy are the most frequent cardiac abnormalities, the latter being associated with a higher mortality. Here we report for the first time, a case of congenital left main coronary artery atresia in a Noonan syndrome associated with RIT1 variant, leading to unrescued sudden death. This case-report supports the already-suspected severity of the RIT1-related Noonan syndrome compared to average Noonan syndrome, and should encourage clinicians to be very cautious with these patients...
March 24, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28345243/dehiscence-of-a-pulmonary-bioprosthesis-with-a-focal-dissection-of-the-pulmonary-artery-in-a-patient-with-congenital-pulmonic-stenosis
#20
Evin Yucel, Ami Bhatt, Christos G Mihos, Brian B Ghoshhajra, Doreen DeFaria Yeh
Pulmonary valve replacement (PVR) is the most common adult congenital cardiac operation performed. Valve degeneration leading to prosthetic stenosis and/or regurgitation is a long-term risk in this population and may be associated with paravalvular leak (PVL). Complications involving the proximal pulmonary artery, including dissection, are less clearly defined. Herein, we report the case of a 30-year-old patient with a history of multiple pulmonary valve interventions secondary to congenital pulmonic stenosis, who developed dehiscence of a bioprosthetic PVR associated with significant paravalvular leak (PVL) and further complicated by a focal dissection of the proximal pulmonary artery...
March 27, 2017: Echocardiography
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