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Mitral valve replacement

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https://www.readbyqxmd.com/read/29774601/the-impact-of-mitral-stenosis-on-outcomes-of-aortic-valve-stenosis-patient-undergoing-surgical-aortic-valve-replacement-or-transcatheter-aortic-valve-replacement
#1
Yasser Al-Khadra, Fahed Darmoch, Motaz Baibars, Amir Kaki, Zaher Fanari, M Chadi Alraies
BACKGROUND: The concomitant presence of mitral stenosis (MS) in the setting of symptomatic aortic stenosis represent a clinical challenge. Little is known regarding the outcome of mitral stenosis (MS) patients undergoing transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR). Therefore, we sought to study the outcome of MS patients undergoing aortic valve replacement (AVR). METHOD: Using weighted data from the National Inpatient Sample (NIS) database between 2011 and 2014, we identified patients who were diagnosed with MS...
May 17, 2018: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29770888/mitral-valve-interventions-in-structural-heart-disease
#2
REVIEW
Matteo Saccocci, Maurizio Taramasso, Francesco Maisano
PURPOSE OF REVIEW: Analyze the current state of the art and the future perspectives of mitral interventions in clinical setting. RECENT FINDINGS: A systematic and critical review of the new mitral percutaneous therapies and imaging technologies is the basis to adopt the right treatment for each patient according to specific valve dysfunction and clinical presentation, waiting for definitive guidelines. While surgical mitral repair will remain the gold standard for low-risk healthy patients with degenerative mitral regurgitation (DMR), transcatheter mitral valve repair is becoming first line therapy in high risk patients with functional mitral regurgitation (FMR)...
May 17, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29762933/ross-procedure-following-a-dislodged-transcatheter-aortic-valve-replacement
#3
Samuel R Schnittman, Aaron J Weiss, Robin Varghese, Paul Stelzer
A 36-year-old pregnant woman with a history of rheumatic heart disease and prior aortic valve replacement and mitral valve repair presented to an outside hospital with severe aortic stenosis. The patient had a cardiac arrest upon labor induction and underwent a transcatheter aortic valve replacement (TAVR), which dislodged two days later. Five months later, the patient underwent removal of the dislodged TAVR and a Ross procedure at the authors' institution. The patient was stable upon discharge, with minimal aortic and pulmonary regurgitation...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29762925/association-between-myxomatous-mitral-valve-disease-and-skeletal-back-abnormalities
#4
Alireza Movahed, David Majdalany, Marc Gillinov, William Schiavone
BACKGROUND: Myxomatous mitral valve disease (MMVD) is one of the most prevalent valvular heart diseases, while back pain, neck pain and upper-extremity numbness are some of the most common complaints in outpatient settings. Decreased thoracic kyphosis (straight back) is a known cause of hastening back or neck problems, radiculopathy, or even myelopathy. The study aim was to examine the relationship between MMVD, straight back, and the need for cervical fusion. METHODS: In this single-center retrospective study, patients who underwent mitral valve repair or replacement due to MMVD (cases) based on age, gender and body mass index (BMI), were matched with patients who underwent coronary artery bypass grafting (CABG) surgery and had no history of mitral valve disease (controls)...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29759741/outcomes-of-repeat-mitral-valve-replacement-in-patients-with-prior-mitral-surgery-a-benchmark-for-transcatheter-approaches
#5
Julius I Ejiofor, Sameer A Hirji, Fernando Ramirez-Del Val, Anthony V Norman, Siobhan McGurk, Sary F Aranki, Prem S Shekar, Tsuyoshi Kaneko
OBJECTIVES: With the emergence of transcatheter mitral valve-in-valve/ring replacement for deteriorated bioprostheses or failed repair, comparative clinical benchmarks for surgical repeat mitral valve replacement (re-MVR) are needed. We present in-hospital and survival outcomes of a 24-year experience with re-MVR. METHODS: From January 1992 to June 2015, 520 adult patients underwent re-MVR; 273 had undergone prior mitral valve repair (pMVP) and 247 had undergone prior MVR (pMVR)...
April 7, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29756197/late-left-atrioventricular-disruption-an-unusual-complication-of-mitral-valve-replacement-after-endocarditis
#6
Inês Silveira, Raquel Baggen Santos, Patricia Rodrigues, Sofia Cabral, Severo Torres
No abstract text is available yet for this article.
2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29755630/echocardiographic-features-in-bartonella-endocarditis-a-case-series
#7
Orathai Pachirat, Sompop Prathanee, George Watt
Bartonella spp. are emerging pathogens that are reported as the cause of blood culture-negative endocarditis ( BCNE). However, echocardiographic features and assessment of this endocarditis remains unclear. Four patients with B. henselae endocarditis were identified. All patients had underlying cardiac conditions: rheumatic heart disease in three, congenital heart disease in one. Evidence of vegetations was found on the aortic valve in all patients with large, highly mobile vegetations and severely destroyed valves demonstrated by the transthoracic echocardiogram leading to severe aortic regurgitation and heart failure...
April 2018: Cardiology Research
https://www.readbyqxmd.com/read/29755084/-further-surgery-for-mitral-stenosis-12-years-after-mitral-valve-repair-report-of-a-case
#8
Naohiro Shimada, Takashi Ueda, Noriyuki Hatanaka, Hiroyuki Yamada
A rare case of mitral stenosis after mitral valve repair for non-rheumatic mitral regurgitation is presented. An 81-year-old woman who had undergone mitral valve repair using an annuloplasty ring 12 years earlier, was referred to our hospital because of dyspnea during exertion. As echocardiography revealed severe mitral stenosis, and redo surgery was carried out. During the surgery, fibrous tissue covered the annuloplasty ring and extended onto both leaflets of the mitral valve, which narrowed its orifice, by rendering the leaflets stiff and immobile...
May 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29755075/-huge-left-thrombosis-after-mitral-valvuloplasty-and-maze-procedure-report-of-a-case
#9
Hitomi Naruse, Noriyasu Kawada, Koichi Muramatsu, Hirokuni Naganuma, Kazuhiro Hashimoto
Generally, anticoagulation therapy is not essential for patients who maintain sinus rhythm after mitral valvuloplasty. A 66-year-old woman who had undergone mitral valvuloplasty and maze procedure for treatment of mitral valve regurgitation and atrial fibrillation 4 years ago was diagnosed as having left atrial thrombosis despite maintenance of sinus rhythm on electrocardiography. Echocardiography showed narrow mitral valvular area(1.5 cm2), loss of A wave and a huge left atrium. Repeat surgery was performed to replace the mitral valve and to remove the thrombus...
March 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29755074/-structural-deterioration-of-a-bovine-pericardial-valve-in-a-tricuspid-position-14-years-postoperatively-report-of-a-case
#10
Kazunori Ota, Koyu Tanaka, Naoki Asano, Shigeyoshi Gon, Masahito Saito, Kazuho Niimi, Hiromichi Inoue, Motohiko Tamura, Yuji Matsumura, Toshihiro Ohata, Hirotsugu Fukuda, Hiroshi Takano
Although nonstructural dysfunction of a bioprosthesis caused by pannus formation or native valve attachment has been well described, structural valve deterioration( SVD) caused by calcification or tear of a bioprosthesis, especially a bovine pericardial valve, is very rare in the tricuspid position. We report a case of redo tricuspid valve surgery for SVD 14 years after tricuspid valve replacement( TVR) using a Carpentier-Edwards Perimount (CEP) pericardial valve. A 71-year-old woman was referred to our hospital because of exertional dyspnea and pre-syncope...
March 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29755073/-beating-mitral-valve-replacement-for-functional-mitral-regurgitation-after-cardiac-resynchronization-therapy-report-of-a-case
#11
Hiroshi Kumano, Keisuke Shuntoh, Akimitsu Yamaguchi
A 72-year-old man was admitted to our hospital because of dyspnea. He had a history of cardiac resynchronization therapy for congestive heart failure due to dilated cardiomyopathy 6 months previously. Echocardiography revealed severe functional mitral regurgitation which had been mild 6 months before. Because medical treatment was ineffective, on-pump beating mitral valve replacement using a bioprosthesis was performed to prevent reperfusion injury. The patient was easily weaned from cardiopulmonary bypass with low-dose inotropic support and scheduled intra-aortic balloon pump...
March 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29753818/routine-papillary-muscle-realignment-and-septal-myectomy-for-obstructive-hypertrophic-cardiomyopathy
#12
Howard K Song, Jason Turner, Rebekah Macfie, Suwen Kumar, Meghan J Mannello, Danielle Smith, Castigliano Bhamidipati, Jaishankar Raman, Frederick Tibayan, Stephen B Heitner
BACKGROUND: Septal myectomy has been the mainstay of the surgical treatment of obstructive hypertrophic cardiomyopathy (HCM), however recently there is growing appreciation for associated mitral valve abnormalities that contribute to left ventricular outflow tract (LVOT) obstruction. In this study, we describe our experience with combined papillary muscle realignment (PMR) and septal myectomy for the treatment of obstructive HCM. METHODS: We identified 44 patients undergoing surgery for obstructive HCM whose anatomy was amenable to combined PMR and septal myectomy at our institution over a 20-month period...
May 10, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29752197/panophthalmitis-caused-by-streptococcus-dysgalactiae-subsp-equisimilis-a-case-report-and-literature-review
#13
Hideharu Hagiya, Takuya Semba, Takeshi Morimoto, Norihisa Yamamoto, Hisao Yoshida, Kazunori Tomono
Lancefield group G β-hemolytic Streptococcus dysgalactiae subspecies equisimilis (SDSE) has become a leading causative pathogen of invasive streptococcal infection. In this report, we describe a case of disseminated SDSE infection complicated by endogenous endophthalmitis, resulting in panophthalmitis and blindness. A 65-year-old man who underwent mitral valve replacement surgery two months previously was hospitalized due to high fever and right visual loss. A systemic investigation revealed endophthalmitis complicated by mediastinal abscess, prosthetic infective endocarditis, cerebral emboli and hemorrhage, and multiple arthritis...
May 8, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29747948/automated-quantification-of-mitral-valve-geometry-on-multi-slice-computed-tomography-in-patients-with-dilated-cardiomyopathy-implications-for-transcatheter-mitral-valve-replacement
#14
Tom Banks, Orod Razeghi, Ioannis Ntalas, Waqar Aziz, Jonathan M Behar, Rebecca Preston, Brian Campbell, Simon Redwood, Bernard Prendergast, Steven Niederer, Ronak Rajani
OBJECTIVES: The primary aim of this study was to quantify the dimensions and geometry of the mitral valve complex in patients with dilated cardiomyopathy and significant mitral regurgitation. The secondary aim was to evaluate the validity of an automated segmentation algorithm for assessment of the mitral valve compared to manual assessment on computed tomography. BACKGROUND: Transcatheter mitral valve replacement (TMVR) is an evolving technique which relies heavily on the lengthy evaluation of cardiac computed tomography (CT) datasets...
April 21, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29745455/infective-endocarditis-following-transcatheter-edge-to-edge-mitral-valve-repair-a-systematic-review
#15
Lluis Asmarats, Tania Rodriguez-Gabella, Chekrallah Chamandi, Mathieu Bernier, Jonathan Beaudoin, Kim O'Connor, Eric Dumont, François Dagenais, Jean-Michel Paradis, Josep Rodés-Cabau
OBJECTIVES: To assess the clinical characteristics, management, and outcomes of patients diagnosed with infective endocarditis (IE) after edge-to-edge mitral valve repair with the MitraClip device. BACKGROUND: Transcatheter edge-to-edge mitral valve repair has emerged as an alternative to surgery in high-risk patients. However, few data exist on IE following transcatheter mitral procedures. METHODS: Four electronic databases (PubMed, Google Scholar, Embase, and Cochrane Library) were searched for original published studies on IE after edge-to-edge transcatheter mitral valve repair from 2003 to 2017...
May 10, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29743999/transcatheter-mitral-valve-replacement-for-native-and-failed-bioprosthetic-mitral-valves
#16
REVIEW
Kunal Sarkar, Michael J Reardon, Stephen H Little, Colin M Barker, Neal S Kleiman
Transcatheter mitral valve replacement (TMVR) is a novel approach for treatment of severe mitral regurgitation. A number of TMVR devices are currently undergoing feasibility trials using both transseptal and transapical routes for device delivery. Overall experience worldwide is limited to fewer than 200 cases. At present, the 30-day mortality exceeds 30% and is attributable to both patient- and device-related factors. TMVR has been successfully used to treat patients with degenerative mitral stenosis (DMS) as well as failed mitral bioprosthesis and mitral repair using transcatheter mitral valve-in-valve (TMViV)/valve-in-ring (ViR) repair...
July 2017: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/29743415/management-of-incomplete-initial-repair-in-the-treatment-of-degenerative-mitral-insufficiency
#17
Wenrui Ma, Wei Shi, Wei Zhang, Weihua Wu, Wei Ye, Ye Kong
We sought to present our institutional protocol to manage incomplete initial repair of degenerative mitral regurgitation and to evaluate its mid-term outcomes. Eight hundred and fifteen patients with degenerative mitral insufficiency undergoing mitral valve repair were investigated in this study. The initial repair attempt was incomplete in 48 patients, leaving a degree of residual regurgitation > mild, and an elevated transmitral gradient or systolic anterior motion (SAM). These patients were further treated with medication or mitral valve re-repair or replacement under reinstituted cardiopulmonary bypass...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29735635/case-of-refractory-hypertension-controlled-after-aortic-and-mitral-valve-replacement-and-coronary-artery-bypass-grafting
#18
Mohammed Siddiqui, Robert A Phillips, Michael Bursztyn, Domenic Sica, Alejandro Velasco, Eric K Judd, Tanja Dudenbostel, Steven G Lloyd, Suzanne Oparil, David A Calhoun
No abstract text is available yet for this article.
May 7, 2018: Hypertension
https://www.readbyqxmd.com/read/29731112/degenerative-mitral-stenosis-from-pathophysiology-to-challenging-interventional-treatment
#19
REVIEW
Marko Banovic, Mark DaCosta
Mitral stenosis (MS) is characterized by obstruction of left ventricular inflow as a result of narrowing of the mitral valve orifice. Although its prevalence has declined over the last decade, especially in developed countries, it remains an important cause of morbidity and mortality.  The most often cause of MS worldwide is still postrheumatic mitral valve disease. However, in developed countries, degenerative or calcific changes cause MS in a siginificant proportion of patients. Although the range of treatment for mitral valve disease has grown over the years in parallel with transcatheter therapies for aortic valve disease, these improvements in mitral valve disease therapy have experienced slower development...
April 6, 2018: Current Problems in Cardiology
https://www.readbyqxmd.com/read/29730345/hemiarch-reconstruction-vs-clamped-aortic-anastomosis-for-concomitant-ascending-aortic-aneurysm
#20
Ibrahim Sultan, Valentino Bianco, Ibrahim Yajzi, Arman Kilic, Keith Dufendach, Arturo Cardounel, Andrew D Althouse, Ahmad Masri, Forozan Navid, Thomas G Gleason
BACKGROUND: Deep hypothermic circulatory arrest (DHCA) is often avoided in patients with concomitant ascending aortic pathology when treating other cardiac disease to avoid increased risk of morbidity and mortality. We hypothesized that the use of DHCA with retrograde cerebral perfusion (RCP) does not add incremental risk to ascending aortic replacement alone in the setting of concomitant cardiac surgery. METHODS: 408 ascending aortic ± hemiarch replacements and aortic (root)/mitral/tricuspid valve(s), CABG, or MAZE procedures were performed for concomitant cardiac disease...
May 3, 2018: Annals of Thoracic Surgery
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