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subaortic stenosis

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https://www.readbyqxmd.com/read/28508142/when-is-it-better-to-wait-surgical-timing-and-recurrence-risk-for-children-undergoing-repair-of-subaortic-stenosis
#1
Brett R Anderson, Jennifer E Tingo, Julie S Glickstein, Paul J Chai, Emile A Bacha, Alejandro J Torres
Recurrence of subaortic stenosis (SAS) after surgery is common in children. The effects of patient characteristics and surgical timing on disease recurrence are largely unknown. We performed a retrospective study, assessing the relative effects of patient age and left ventricular outflow tract (LVOT) gradient on the need for reoperation for recurrent SAS. We included all children <20 years of age who underwent initial surgical resection of SAS at our center, January 2003-December 2013. Stratified logistic regression was performed, considering the effects of patient demographics, clinical characteristics, echocardiographic parameters, and operative technique, and clustering standard errors by surgeon...
May 15, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28330643/transcatheter-treatment-of-subaortic-stenosis-via-transcaval-access
#2
Norihiko Kamioka, Ateet Patel, Stamatios Lerakis, Ioannis Parastatidis, Jessica Forcillo, Frank Corrigan, Vinod Thourani, Peter Block, Vasilis Babaliaros
No abstract text is available yet for this article.
April 10, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28225973/do-you-know-this-syndrome-leopard-syndrome
#3
Flávio Heleno da Silva Queiroz Cançado, Luis Candido Pinto da Silva, Paulo Franco Taitson, Ana Carolina Dias Viana de Andrade, Matheus Melo Pithon, Dauro Douglas Oliveira
Hypertrophic cardiomyopathy is known as Leopard syndrome, which is a mnemonic rule for multiple lentigines (L), electrocardiographic conduction abnormalities (E), ocular hypertelorism (O), pulmonary stenosis (P), abnormalities of genitalia (A), retardation of growth (R), and deafness (D). We report the case of a 12-year-old patient with some of the abovementioned characteristics: hypertelorism, macroglossia, lentigines, hypospadias, cryptorchidism, subaortic stenosis, growth retardation, and hearing impairment...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28203542/robotic-trans-atrial-and-trans-mitral-ventricular-septal-resection
#4
REVIEW
W Randolph Chitwood
Localized ventricular septal hypertrophy, also known as idiopathic hypertrophic subaortic stenosis or idiopathic hypertrophic subaortic septal obstruction (IHSS), can create severe ventricular outflow obstruction. This often results in a high sub-aortic pressure gradient with potentially lethal symptoms. In 1960, Braunwald described the hemodynamic characteristics of IHSS, and thereafter, Morrow developed a trans-aortic approach to resect a large part of the ventricular septum, enlarging the outflow tract. The Morrow operation has remained the gold standard for surgically treating this pathology...
January 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28117226/aortoseptal-angle-and-pressure-gradient-reduction-following-balloon-valvuloplasty-in-dogs-with-severe-subaortic-stenosis
#5
L Shen, A H Estrada, E Côté, M A Powell, B Winter, K Lamb
INTRODUCTION: To determine the relationship between aortoseptal angle (AoSA) and the short- and long-term systolic pressure gradient (PG) reduction following combined cutting and high-pressure balloon valvuloplasty (CB/HPBV) in dogs with severe subaortic stenosis. ANIMALS: Retrospective study of 22 client-owned dogs of various breeds with severe subaortic stenosis (mean left ventricular to aortic PG = 143 mmHg; range = 80-322 mmHg) that underwent CB/HPBV...
April 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28072626/acquired-coronary-artery-disease-in-adult-patients-with-congenital-heart-disease-a-true-or-a-false-problem
#6
Alessandro Giamberti, Mauro Lo Rito, Erika Conforti, Alessandro Varrica, Mario Carminati, Alessandro Frigiola, Lorenzo Menicanti, Massimo Chessa
BACKGROUND: The population of adults with congenital heart disease (ACHD) is increasing and aging, and a large percentage of this population is now over 65 years of age. For this reason, it is probable that acquired coronary artery disease (CAD) will become an important issue that needs to be addressed also in these patients. We retrospectively analyzed all ACHD patients who underwent surgery in our Institution with the aim to investigate the incidence of associated CAD and the results of surgical treatment...
January 7, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/27956040/shone-complex-an-under-recognized-congenital-heart-disease-with-substantial-morbidity-in-adulthood
#7
Sajid Aslam, Paul Khairy, Azadeh Shohoudi, Lise-Andrée Mercier, Annie Dore, François Marcotte, Joaquim Miró, Pablo Avila-Alonso, Réda Ibrahim, Anita Asgar, Nancy Poirier, François-Pierre Mongeon
BACKGROUND: Shone complex consists of a constellation of left-sided, usually obstructive, cardiac lesions, including supravalvar mitral ring, parachute mitral valve, subaortic stenosis, and aortic coarctation. Incomplete Shone complex consists of a mitral valve anomaly associated with lesions involving the subaortic region, aortic valve, or thoracic aorta. There is a paucity of data regarding long-term outcomes in adults with Shone complex. METHODS: We reviewed records of adults with complete or incomplete Shone complex followed at the Montreal Heart Institute between 1982 and 2014...
September 29, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/27751257/acquired-discrete-subaortic-stenosis-late-after-mitral-valve-replacement
#8
Jagdish C Mohan, Madhu Shukla, Vishwas Mohan, Arvind Sethi
Although acquired left ventricular outflow obstruction has been reported in a variety of conditions, there are scant reports of its occurrence following mitral valve replacement (MVR). This study describes two female patients, who developed severe discrete subaortic stenosis, five years following MVR. In both cases, the mitral valve was replaced by a porcine Carpentier-Edwards 27-mm bioprosthesis with preservation of mitral valve leaflets. The risk of very late left ventricular outflow tract obstruction after bio-prosthetic MVR with preservation of subvalvular apparatus needs to be kept in mind in symptomatic patients...
September 2016: Indian Heart Journal
https://www.readbyqxmd.com/read/27728044/ctga-with-infundibular-pulmonary-stenosis-with-subaortic-vsd-with-dextrocardia-situs-solitus-presenting-with-atypical-atrioventricular-nodal-reentrant-tachycardia
#9
Ashwin Kodliwadmath, Vasudeva Naik, Shetty Shivakumar
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27681035/aortic-valve-repair-in-the-paediatric-population-insights-from-a-38-year-single-centre-experience
#10
Alain J Poncelet, Gébrine El Khoury, Laurent De Kerchove, Thierry Sluysmans, Stéphane Moniotte, Mona Momeni, Thierry Detaille, Jean E Rubay
OBJECTIVES: To analyse our institutional results in the setting of paediatric aortic valve (AV) repair. Primary end-points were overall survival, freedom from AV reoperation and freedom from AV replacement. METHODS: A retrospective analysis of all patients under 18 years of age operated on from 1977 to 2015 in a single tertiary care level institution. Patients were included if they benefited from any type of AV repair procedure, including commissurotomy, leaflet shaving or plication, or leaflet augmentation...
January 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27568139/double-outlet-right-ventricle-with-noncommitted-ventricular-septal-defect-and-2-adequate-ventricles-is-anatomical-repair-advantageous
#11
MULTICENTER STUDY
Olivier Villemain, Damien Bonnet, Lucile Houyel, Mathieu Vergnat, Magalie Ladouceur, Virginie Lambert, Zakaria Jalal, Pascal Vouhé, Emre Belli
The management of double-outlet right ventricle associated with anatomically noncommitted ventricular septal defect constitutes a surgical challenge. The limits for, and the specific outcomes after anatomical vs univentricular repair still remain to be established. Between 1993 and 2011, 36 consecutive patients presenting with double-outlet right ventricle or noncommitted ventricular septal defect (21 inlet, 10 muscular, and 5 central perimembranous) and 2 adequately sized ventricles underwent surgical repair at 2 centers...
December 0: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27549556/concealed-left-ventricle-to-right-atrium-fistula-complicating-infective-endocarditis
#12
Tatsushi Onzuka, Shoji Morishige, Yoshiyuki Yamashita, Yasutaka Ueno
We report a case of aortic prosthetic valve endocarditis presenting with subaortic stenosis without perivalvular leakage and vegetations in the left ventricular outflow and right atrium, the latter being attached to the atrioventricular septum. Intraoperatively, an abscess that had formed on the aortic annulus and perforated to the right atrium was unexpectedly found, the fistula being occluded by vegetations. Even when no left-to-right shunts are detected by imaging, vegetations adjacent to the atrioventricular septum may conceal a left ventricle-right atrium fistula, resulting in prosthetic valve endocarditis presenting clinically as subaortic stenosis without perivalvular leakage...
September 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27523403/assessment-of-the-melody-valve-in-the-mitral-position-in-young-children-by-echocardiography
#13
Lindsay R Freud, Gerald R Marx, Audrey C Marshall, Wayne Tworetzky, Sitaram M Emani
OBJECTIVES: Mitral valve replacement (MVR) in young children is limited by the lack of small prostheses. Our institution began performing MVR with modified, surgically placed, stented jugular vein grafts (Melody valve) in 2010. We sought to describe key echocardiographic features for pre- and postoperative assessment of this novel form of MVR. METHODS: The pre- and postoperative echocardiograms of 24 patients who underwent Melody MVR were reviewed. In addition to standard measurements, preoperative potential measurements of the mitral annulus were performed whereby dimensions were estimated for Melody sizing...
January 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27522512/outcomes-of-subaortic-obstruction-resection-in-children
#14
Julia S Donald, Phillip S Naimo, Yves d'Udekem, Malcolm Richardson, Andrew Bullock, Robert G Weintraub, Christian P Brizard, Igor E Konstantinov
BACKGROUND: Studies of long-term outcomes of discrete subaortic stenosis are rare. Therefore, we reviewed the long-term outcomes of fibromuscular resection in children with subaortic stenosis over 26 years from a single institution. METHODS: We conducted a retrospective review of all children (n=72) who underwent resection of subaortic obstruction for discrete subaortic stenosis between 1989 and 2015. RESULTS: Median age at surgery was 5.0 years (2...
February 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/27449467/tricuspid-septal-leaflet-detachment-for-ventricular-septal-defect-repair-in-adults
#15
Patrick T Roughneen, Vincent R Conti
We report a 21-year-old patient with a ventricular septal defect (VSD) with an embolic vegetation on the tricuspid valve using a technique of septal leaflet detachment to facilitate the repair of the VSD. Although described in the pediatric patients, this technique has not been reported in adults. The technique of septal leaflet mobilization is described, along with other techniques of tricuspid leaflet mobilization that aid in VSD visualization and repair. Tricuspid leaflet detachment has application for adult surgeons repairing perimembranous, postinfarction, and iatrogenic VSD encountered in resection of subaortic stenosis...
August 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27390538/morphological-and-functional-evaluation-of-quadricuspid-aortic-valves-using-cardiac-computed-tomography
#16
Inyoung Song, Jung Ah Park, Bo Hwa Choi, Sung Min Ko, Je Kyoun Shin, Hyun Keun Chee, Jun Seok Kim
OBJECTIVE: The aim of this study was to identify the morphological and functional characteristics of quadricuspid aortic valves (QAV) on cardiac computed tomography (CCT). MATERIALS AND METHODS: We retrospectively enrolled 11 patients with QAV. All patients underwent CCT and transthoracic echocardiography (TTE), and 7 patients underwent cardiovascular magnetic resonance (CMR). The presence and classification of QAV assessed by CCT was compared with that of TTE and intraoperative findings...
July 2016: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/27381666/dizziness-playing-the-saxophone-secondary-to-hypertrophic-cardiomyopathy
#17
David Luke Glancy
A decrease in left ventricular volume increases the severity of left ventricular outflow tract obstruction in patients with obstructive hypertrophic cardiomyopathy, formerly called idiopathic hypertrophic subaortic stenosis. Because of this, a musician with the condition develops dizziness playing his saxophone which requires repeated and prolonged Valsalva maneuvers.
September 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27371606/growing-potential-of-small-aortic-valve-with-aortic-coarctation-or-interrupted-aortic-arch-after-bilateral-pulmonary-artery-banding
#18
Tai Fuchigami, Masahiko Nishioka, Toru Akashige, Shotaro Higa, Kazuhiro Takahashi, Mami Nakayashiro, Taisuke Nabeshima, Arata Sashinami, Kenzo Sakurai, Kiyotaka Takefuta, Nobuhiro Nagata
OBJECTIVES: Bilateral pulmonary artery banding (bPAB) is utilized for some patients with a ventricular septal defect (VSD) and aortic coarctation (CoA) or interrupted aortic arch (IAA). We evaluated aortic valve (AoV) diameter and patient outcomes following bPAB. METHODS: Between August 2010 and September 2015, 10 consecutive patients with VSD and patent ductus arteriosus-dependent CoA or IAA underwent bPAB because of an AoV diameter of approximately <50% of the normal value (n = 6), severe subaortic stenosis and poor patient condition (n = 1, respectively), or low birthweight (n = 2)...
November 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27293526/a-constellation-of-cardiac-anomalies-beyond-shone-s-complex
#19
Neeraj K Ganju, Arvind Kandoria, Suresh Thakur, Sunite A Ganju
Shone's anomaly is a very rare congenital cardiac malformation characterized by four serial obstructive lesions of the left side of the heart (i) Supravalvular mitral membrane (ii) parachute mitral valve (iii) muscular or membranous subaortic stenosis and (iv) coarctation of aorta. We report a unique presentation of Shone's complex in a 14-year-old adolescent male. In addition to the four characteristic lesions the patient had bicuspid aortic valve, aneurysm of sinus of valsalva, patent ductus arteriosus, ventricular septal defect, persistent left superior vena cava opening into coronary sinus and severe pulmonary artery hypertension...
January 2016: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/27275334/echocardiography-as-a-predicting-method-in-diagnosis-evaluation-and-assessment-of-children-with-subvalvar-aortic-stenosis
#20
Ramush Bejiqi, Hana Bejiqi, Ragip Retkoceri
BACKGROUND: Obstruction to the left ventricular outflow of the heart may be above the aortic valve (5%), at the valve (74%), or in the subvalvar region (23%). These anomalies represent 3 to 6% of all patients with congenital heart defects (CHD), and it occurs more often in males (male-female ratio of 4:1). AIM: The purpose of this study was to determine the sensitivity and specificity of transthoracic echocardiography in diagnosis of discrete subaortic membrane, to determine convenient time for surgical intervention, and for identifying involvement of the aortic valve by subaortic shelf...
March 15, 2016: Open Access Macedonian Journal of Medical Sciences
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