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https://www.readbyqxmd.com/read/28921420/causes-of-an-increased-pressure-gradient-through-the-left-ventricular-outflow-tract-a-west-coast-experience
#1
Sayuki Kobayashi, Yoshihiko Sakai, Isao Taguchi, Hiroto Utsunomiya, Takahiro Shiota
BACKGROUND: Left ventricular outflow tract obstruction (LVOTO) occurs from not only obstructive hypertrophic cardiomyopathy but also other conditions such as sigmoid septum or post mitral valve repair. However, the changes of the LVOT pressure gradient (LVOT PG) in LVOTO with various conditions remain unclear. METHODS: The clinical characteristics and echocardiographic parameters of 73 patients with LVOT PG ≥50 mmHg at rest on Doppler ultrasound were retrospectively investigated...
September 18, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28920636/politetrafluorene-suture-used-as-artificial-mitral-chord-mechanical-properties-and-surgical-implications
#2
Philippe P Caimmi, Maurizio Sabbatini, Luca Fusaro, Mario Cannas
BACKGROUND: Novel surgical approach to repair degenerative mitral regurgitation such as transapical chordae tendineae replacement and "loop in loop" in loop techniques, need of artificial chordae longer than that used in the older techniques of chordae tendineae replacement. This difference in length has been reported as potential critical point for durability of artificial chordae. In the present paper we have investigated the elastic behavior of different diameter and length politetrafluorene (PTFE) suture threads as substitute of native chordae, to identify their reliability to use as long artificial chordae...
December 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28918529/anatomic-repair-of-congenitally-corrected-transposition-of-the-great-arteries-single-center-intermediate-term-experience
#3
Shagun Sachdeva, Roni M Jacobsen, Ronald K Woods, Michael E Mitchell, Joseph R Cava, Nancy S Ghanayem, Peter C Frommelt, Peter J Bartz, James S Tweddell
We present our experience for patients who have undergone an anatomic repair (AR) for congenitally corrected transposition of the great arteries (CCTGA) at the Children's Hospital of Wisconsin. A retrospective chart review of patients who underwent AR for CCTGA from 2001 to 2015 was performed. The cohort consisted of 15 patients (74% male). Median age of anatomic repair was 15 months (range 4.5-45.6 months). Four patients had a bidirectional Glenn (BDG) prior to AR. At the time of AR,-9 (60%) underwent Senning/Rastelli procedure, 4 (26...
September 16, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28917516/impact-of-frailty-on-outcomes-in-patients%C3%A2-undergoing-percutaneous-mitral%C3%A2-valve-repair
#4
Clemens Metze, Anna-Sophie Matzik, Maximilian Scherner, Maria Isabel Körber, Guido Michels, Stephan Baldus, Volker Rudolph, Roman Pfister
OBJECTIVES: The aim of this study was to describe the impact of frailty in patients undergoing percutaneous mitral valve repair (PMVR). BACKGROUND: Frailty is common in elderly patients and those with comorbidities and is associated with adverse prognosis. METHODS: Frailty according to the Fried criteria was assessed in consecutive patients admitted for PMVR. Associations of frailty with 6-week (device success, changes in 6-minute walking distance and Minnesota Living With Heart Failure Questionnaire and Short Form 36 physical and mental component scores, and improvement ≥1 New York Heart Association functional class) and long-term outcomes during a median follow-up period of 429 days were examined...
September 8, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28894056/-emergency-mitral-valvoplasty-for-papillary-muscle-rupture
#5
Keishi Ueyama, Motohiro Koyama, Kenji Otaki, Kae Ito
We experienced 2 emergency surgical cases of severe mitral valve regurgitation due to papillary muscle rupture. Case 1:a 69-year-old man presented with respiratory and cardiac failure due to mitral regurgitation. He had no history of myocardial infarction. Mitral valve repair with artificial cords was performed. The papillary muscle of the anterior leaflet was ruptured. The postoperative course was uneventful. Case 2:a 80-year-old man came to our hospital with cardiac arrest. Emergency coronary intervention was performed to the right coronary and intraaortic balloon pumping was inserted...
September 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28893396/early-results-of-robotically-assisted-mitral-valve-surgery-analysis-of-the-first-1000-cases
#6
A Marc Gillinov, Tomislav Mihaljevic, Hoda Javadikasgari, Rakesh M Suri, Stephanie L Mick, José L Navia, Milind Y Desai, Johannes Bonatti, Mitra Khosravi, Jay J Idrees, Ashley M Lowry, Eugene H Blackstone, Lars G Svensson
OBJECTIVE: The study objective was to assess the technical and process improvement and clinical outcomes of robotic mitral valve surgery by examining the first 1000 cases performed in a tertiary care center. METHODS: We reviewed the first 1000 patients (mean age, 56 ± 10 years) undergoing robotic primary mitral valve surgery, including concomitant procedures (n = 185), from January 2006 to November 2013. Mitral valve disease cause was degenerative (n = 960, 96%), endocarditis (n = 26, 2...
August 1, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28893395/morphologic-variability-of-the-mitral-valve-leaflets
#7
Agata Krawczyk-Ożóg, Mateusz K Hołda, Danuta Sorysz, Mateusz Koziej, Zbigniew Siudak, Dariusz Dudek, Wiesława Klimek-Piotrowska
OBJECTIVES: The rapid development of surgical and less-invasive percutaneous mitral valve repair procedures has increased interest in mitral valve anatomy. We characterize the morphologic variability of the mitral valve leaflets and provide the size of their particular parts. METHODS: We studied 200 autopsied human hearts from white individuals without any valvar diseases. We measured the intercommissural and aorto-mural diameters of the mitral annulus and identified the leaflets and their scallops...
August 16, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28891276/percutaneous-edge-to-edge-leaflet-repair-a-solution-to-the-risk-treatment-paradox-of-mitral-regurgitation-complicated-by-pulmonary-hypertension
#8
EDITORIAL
Taku Inohara, Sreekanth Vemulapalli
No abstract text is available yet for this article.
September 10, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28890667/role-of-3d-echocardiography-in-cardiac-surgery-strengths-and-limitations
#9
REVIEW
Edwin Wilberforce Turton, Jörg Ender
PURPOSE OF REVIEW: This review aims to highlight the general and specific strengths and limitations of intraoperative 3D echocardiography. This article explains the value of real-time three-dimensional transesophageal echocardiography (RT 3D TEE) during cardiac surgery and cardiac interventions. RECENT FINDINGS: Recently published recommendations and guidelines include the use of RT 3D TEE. RT 3 D TEE provides additional value particularly for guidance during cardiac interventions (i...
2017: Current Anesthesiology Reports
https://www.readbyqxmd.com/read/28888372/the-arithmetic-of-a-successful-mitral-valve-repair
#10
EDITORIAL
Muralidhar Padala
No abstract text is available yet for this article.
August 4, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28879526/intracardiac-echocardiography-for-structural-heart-and-electrophysiological-interventions
#11
REVIEW
Craig Basman, Yuvrajsinh J Parmar, Itzhak Kronzon
PURPOSE OF REVIEW: With an increasing number of interventional procedures performed for structural heart disease and cardiac arrhythmias each year, echocardiographic guidance is necessary for safe and efficient results. The purpose of this review article is to overview the principles of intracardiac echocardiography (ICE) and describes the peri-interventional role of ICE in a variety of structural heart disease and electrophysiological interventions. RECENT FINDINGS: Both transthoracic (TTE) and transesophageal echocardiography have limitations...
September 6, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28878582/transcatheter-mitral-valve-replacement-with-the-edwards-sapien-3-valve
#12
Biswajit Kar, Angelo Nascimbene, Igor D Gregoric, Manish Patel, Pranav Loyalka
We describe the case of a 57-year-old man who had severe mitral valve stenosis and regurgitation without significant annular calcification. He was not a candidate for surgical valve replacement or repair because of his substantial comorbid conditions, overall frailty, and elevated surgical risk. He underwent successful transcatheter mitral valve replacement of his native mitral valve with compassionate, off-label use of an Edwards Sapien 3 valve. A search of the literature produced no other cases like ours, which represents a further evolution of the transcatheter valve implantation concept...
August 2017: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28874307/prosthetic-mitral-valve-paravalvular-leak-a-problem-that-requires-dexterity
#13
James W Hansen, Gautam Gadey, Thomas C Piemonte
Prosthetic valve paravalvular leak (PVL) is a known and relatively common complication of surgical valve replacement, which may lead to significant morbidity. Patients with significant mitral valve replacement (MVR) PVL typically present with symptoms of heart failure and elevated filling pressures or with hemolytic anemia. Percutaneous closure of these leaks has become the preferred therapy. Percutaneous closure of MVR PVL can be technically challenging, given the anatomy of the approach (trans-septal, trans-apical), the level of associated comorbidities and the geographic location of the paravalvular defect...
July 24, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28874288/atrial-fibrillation-utility-of-chads2-and-cha2ds2-vasc-scores-as-predictors-of-readmission-mortality-and-resource-utilization
#14
Sopan Lahewala, Shilpkumar Arora, Prashant Patel, Varun Kumar, Nirali Patel, Byomesh Tripathi, Nilay Patel, Kamala Ramya Kallur, Harshil Shah, Amer Syed, Umesh Gidwani, Juan F Viles-Gonzalez, Abhishek Deshmukh
BACKGROUND: CHADS2 and CHA2DS2-VASc scores are widely used for thromboembolic risk assessment in Atrial Fibrillation(AF) cohort, however further utilization to predict outcomes is understudied. METHOD: HCUP's National Readmission Data(NRD) 2013 was queried for AF admissions using ICD-9-CM code 427.31 in principal diagnosis field. Patients with mitral valve disease or repair/or replacement were excluded to estimate population with non-valvular AF only. CHADS2 and CHA2DS2-VASc were calculated for each patient...
October 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28863973/current-status-of-mitraclip-for-patients-with-mitral-and-tricuspid-regurgitation
#15
REVIEW
Sidakpal S Panaich, Mackram F Eleid
Mitral valve regurgitation (MR) affects approximately 4 million people in the United States alone, increasing in prevalence with age. Approved by the Food and Drug Administration (FDA) in October 2013, percutaneous edge-to-edge transcatheter mitral valve repair (also known as the MitraClip system) has been used in over 40,000 patients globally. Additionally, there is keen interest and early exploration into the use of MitraClip for treatment of severe symptomatic tricuspid regurgitation, another undertreated disease with significant morbidity and mortality...
August 18, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28862381/a-systematic-review-of-reported-cases-of-combined-transcatheter-aortic-and-mitral-valve-interventions
#16
Tomo Ando, Hisato Takagi, Alexandros Briasoulis, Tesfaye Telila, David P Slovut, Luis Afonso, Cindy L Grines, Theodore Schreiber
OBJECTIVES: To summarize the published data of combined transcatheter aortic and mitral valve intervention (CTAMVI). BACKGROUND: CTAMVI, a combination of either transcatheter aortic valve replacement (TAVR) or transcatheter aortic valve-in-valve (TAViV) and transcatheter mitral valve replacement (TMVR), transcatheter mitral valve-in-valve/valve-in-ring (TMViV/ViR), or percutaneous mitral valve repair (PMVR) is an attractive alternative in high-surgical risk patients with combined aortic and mitral valve disease...
September 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28860895/a-review-of-the-use-of-cardiac-computed-tomography-for-evaluating-the-mitral-valve-before-and-after-mitral-valve-repair
#17
Jong Hun Kim, Eun Young Kim, Gong Yong Jin, Jong Bum Choi
The role of cardiac computed tomography (CT) for evaluating the mitral valve (MV) has been limited since echocardiography is the main method of evaluation. However, recent advances in cardiac CT have enable detailed evaluation of the anatomy and geometry of the MV. We describe assessments of the anatomy and coaptation geometric parameters of normal MVs, and also review repair of diseased/damaged MV. We also discuss pre- and post-surgical imaging of MV pathology using cardiac CT and various CT images. We found that cardiac CT could be used as an alternative imaging modality to echocardiography for pre-operative MV evaluation and to predict clinical outcomes following repair...
September 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28855450/clinical-implication-of-transaortic-mitral-pannus-removal-during-repeat-cardiac-surgery-for-patients-with-mechanical-mitral-valve
#18
Byungjoon Park, Kiick Sung, Pyo Won Park
BACKGROUND: This study aimed to evaluate the safety and feasibility of transaortic mitral pannus removal (TMPR).Methods and Results:Between 2004 and 2016, 34 patients (median age, 57 years; 30 women) with rheumatic disease underwent pannus removal on the ventricular side of a mechanical mitral valve through the aortic valve during reoperation. The median time interval from the previous surgery was 14 years. TMPR was performed after removal of the mechanical aortic valve (n=21) or diseased native aortic valve (n=11)...
August 31, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28852577/sequential-venous-percutaneous-transluminal-angioplasty-and-balloon-dilatation-of-the-interatrial-septum-during-percutaneous-edge-to-edge-mitral-valve-repair
#19
Rezo Jorbenadze, Johannes Patzelt, Meinrad Gawaz, Peter Seizer, Harald F Langer
Percutaneous edge-to-edge mitral valve repair (PMVR) is widely used for selected, high-risk patients with severe mitral valve regurgitation (MR). This report describes a case of 81-year-old woman presenting with severe and highly symptomatic mitral valve regurgitation (MR) caused by a flail of the posterior mitral valve leaflet (PML). PMVR turned out to be challenging in this patient because of a stenosis and tortuosity of both iliac veins as well as sclerosis of the interatrial septum, precluding the vascular and left atrial access by standard methods, respectively...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28840950/3d-transesophageal-echocardiography-and-radiography-of-mitral-valve-prostheses-and-repairs
#20
REVIEW
Nadia Jafar, Michael J Moses, Ricardo J Benenstein, Alan F Vainrib, James N Slater, Henry A Tran, Robert Donnino, Mathew R Williams, Muhamed Saric
This paper provides a comprehensive overview of 3D transesophageal echocardiography still images and movies of mechanical mitral valves, mitral bioprostheses, and mitral valve repairs. Alongside these visual descriptions, the historical overview of surgical and percutaneous mitral valve intervention is described with the special emphasis on the incremental value of 3D transesophageal echocardiography (3DTEE). For each mitral valve intervention, 2D echocardiography, chest x-ray, and fluoroscopy images corresponding to 3DTEE are given...
August 25, 2017: Echocardiography
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