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Mitral valve surgery

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https://www.readbyqxmd.com/read/28935512/analysis-of-short-and-long-term-outcomes-of-patients-with-surgically-treated-left-sided-infective-endocarditis-a-5-year-longitudinal-follow-up-study
#1
Oksana Marushchak, Holy Cole, Brett Hiebert, Evelyn Lo, Yoav Keynan, James Tam, Nasir Shaikh, Alan H Menkis, Rakesh C Arora, Pallav Shah
This study aims to analyze survival, repeat hospitalization, and risk factors for surgically treated left-sided endocarditis. Retrospective review of all 166 (114 native and 52 prosthetic) patients operated between January 2004 and March 2015 was performed. Long-term survival and repeat hospitalization data for 134 of 166 patients were obtained via linked clinical databases with the Manitoba Centre for Health Policy. Kaplan-Meier estimates of survival and hospital readmission and Cox multivariable regression analysis of factors influencing outcomes were performed...
August 23, 2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28934975/right-anterolateral-thoracotomy-an-attractive-alternative-to-repeat-sternotomy-for-high-risk-patients-undergoing-reoperative-mitral-and-tricuspid-valve-surgery
#2
Hailong Cao, Qing Zhou, Fudong Fan, Yunxing Xue, Jun Pan, Dongjin Wang
BACKGROUND: Reoperative cardiac valve surgery via sternotomy is associated with a substantial morbidity and mortality. This study evaluated the right anterolateral thoracotomy for high-risk patients undergoing mitral and tricuspid valve redo procedures. METHODS: Out of a series of 173 patients undergoing redo cardiac valve surgery, 24 patients were reoperative via the right anterolateral thoracotomy as the high-risk group on the basis of the proximity of the heart and great vessels to the sternum and the presence and location of patent bypass grafts...
September 21, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28929616/noninvasive-assessment-of-left-ventricular-end-diastolic-pressure-by-deceleration-time-of-early-diastolic-mitral-annular-velocity-in-patients-with-heart-failure
#3
Kazushi Takemoto, Kumiko Hirata, Takeshi Hozumi, Takashi Tanimoto, Makoto Orii, Yasutsugu Shiono, Yoshiki Matsuo, Yasushi Ino, Hironori Kitabata, Takashi Kubo, Atsushi Tanaka, Takashi Akasaka
OBJECTIVE: To examine the diagnostic ability of the deceleration time of early mitral annular velocity (e'DT) as determined by tissue Doppler velocity image, a method for assessing LV filling pressure. BACKGROUNDS: Estimation of LV filling pressure by Doppler echocardiography requires a combination of various parameters. Therefore, there remains a need for a simple index in LV filling pressure estimation. The e' is known to be reduced and delayed with increased LV filling pressure during development of heart failure...
September 2017: Echocardiography
https://www.readbyqxmd.com/read/28921420/causes-of-an-increased-pressure-gradient-through-the-left-ventricular-outflow-tract-a-west-coast-experience
#4
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/28914661/percutaneous-aortic-leak-closure-in-a-small-and-frail-annulus-after-double-heart-valve-replacement
#5
Guglielmo Saitto, Paolo Nardi, Gian P Ussia, Domenico Sergi, Paolo Prati, Marco Russo, Francesco Romeo, Giovanni Ruvolo
: Paravalvular leak (PVL) is an uncommon but serious complication associated with the implantation of prosthetic valves. Following aortic valve replacement, up to 5% of patients affected by PVL develop clinical symptoms of heart failure, hemolysis or both. Percutaneous treatment of PVL has emerged instead of conventional surgery, as a well tolerated and less invasive procedure but remains a challenge. We present the case of a young woman with mechanical aortic and mitral prostheses, who presented surgical aortic PVL caused by a serious frailty of native annulus, became symptomatic after 5 months and was successfully percutaneously treated with an Amplatzer Duct Occluder device...
September 12, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28912876/effect-of-intercostal-nerve-block-combined-with-general-anesthesia-on-the-stress-response-in-patients-undergoing-minimally-invasive-mitral-valve-surgery
#6
Yanping Zhan, Guo Chen, Jian Huang, Benchao Hou, Weicheng Liu, Shibiao Chen
The aim of the present study was to investigate the effect of intercostal nerve block combined with general anesthesia on the stress response and postoperative recovery in patients undergoing minimally invasive mitral valve surgery (MIMVS). A total of 30 patients scheduled for MIMVS were randomly divided into two groups (n=15 each): Group A, which received intercostal nerve block combined with general anesthesia and group B, which received general anesthesia alone. Intercostal nerve block in group A was performed with 0...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28893396/early-results-of-robotically-assisted-mitral-valve-surgery-analysis-of-the-first-1000-cases
#7
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/28892961/calcium-on-mitral-valve-decipher-aetiopathogenesis
#8
Rohan P Parikh, Ashlesh Tiwari, Sunil Washimkar, Pradeep Deshmukh, Mukund Deshpande
We hereby describe an unusual case of a 17-year-old female with severe mitral regurgitation secondary to heavily calcified immobile valve leaflets. Along with the mitral valve, corneas were also calcified, due to congenital systemic metabolic disorder, distal renal tubular acidosis. Histopathology proved that there was no intrinsic pathology of the mitral valve. Congenital distal renal tubular acidosis with normokalemia presenting with severe mitral and corneal calcification is not known. This case notes important clinical features and is thought to add to the existing knowledge regarding the disease...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28891679/patient-reported-outcomes-after-aortic-and-mitral-valve-surgery-results-from-the-denheart-study
#9
Britt Borregaard, Ola Ekholm, Lars Riber, Jan Sørensen, Jacob E Møller, Lars Thrysoe, Charlotte B Thorup, Marianne Vámosi, Anne V Christensen, Trine B Rasmussen, Selina K Berg
BACKGROUND: Clinical course, co-morbidity and age often differs between patients undergoing aortic and mitral valve surgery and this might affect patient-reported outcomes. AIMS: The purpose of this study was to describe differences in patient-reported physical and mental health and health-related quality of life after aortic valve or mitral valve surgery, and to identify demographic and clinical characteristics associated with worse patient-reported physical and mental health, and health-related quality of life...
September 1, 2017: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28890667/role-of-3d-echocardiography-in-cardiac-surgery-strengths-and-limitations
#10
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/28882144/sutureless-aortic-valve-replacement-in-a-calcified-homograft-combined-with-mitral-valve-replacement
#11
Ferdi Akca, Kayan Lam, Ibrahim Özdemir, Erwin Tan
BACKGROUND: Aortic valve replacement in a patient with an aortic homograft can be very challenging, especially when concomitant mitral valve surgery needs to be performed. CASE PRESENTATION: We report a case of implantation of a sutureless aortic valve bioprosthesis combined with mitral valve replacement in a patient with a severely calcified aortic homograft where conventional valve replacement was technically unfeasible. CONCLUSIONS: We believe that sutureless AVR is a viable option especially for young patients with a high surgical risk where conventional valve replacement cannot be achieved...
September 7, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28876686/management-of-failed-mitral-valve-replacement-the-durban-experience
#12
D Kistan, M Booysen, G Alexander, T E Madiba
BACKGROUND: Mitral valve replacement is the procedure of choice in patients with severe mitral valve disease. However, these patients are surviving longer and are thus at an increased risk of prosthesis failure or valve-related complications. METHOD: Study setting: Inkosi Albert Luthuli Central Hospital, a tertiary referral Hospital in Durban. Study population: All patients undergoing redo mechanical mitral valve replacement surgery between January 2005 and December 2014...
June 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28855450/clinical-implication-of-transaortic-mitral-pannus-removal-during-repeat-cardiac-surgery-for-patients-with-mechanical-mitral-valve
#13
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/28846525/timing-of-surgery-for-fungal-infective-endocarditis
#14
Changhua Chen, Ching-Hui Huang, Ying-Chen Chen
Fungal endocarditis rarely occurs and is difficult to treat. Taguchi et al described that a 55-year-old man, who developed severe mitral regurgitation with persistent fungal infective endocarditis (IE) 8 months after coronary artery bypass grafting, was cured with mitral valve replacement via the anterolateral right thoracotomy without cross-clamping method [Taguchi 2016].
August 24, 2017: Heart Surgery Forum
https://www.readbyqxmd.com/read/28843324/minimally-invasive-heart-valve-surgery
#15
REVIEW
Ismail Bouhout, Marie-Catherine Morgant, Denis Bouchard
Minimally invasive valve surgery represents a recent and significant advance in modern heart surgery. Indeed, many less invasive approaches for both the aortic and mitral valves have been developed in the past 2 decades. These procedures were hypothesized to result in less operative trauma, which might translate into better patient outcomes. However, this clinical benefit remains controversial in the literature. The aim of this review is to discuss the evidence surrounding minimally invasive heart valve surgery in the current era...
September 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28838536/transcatheter-valve-implantation-in-mitral-annular-calcification-during-open-surgery-extended-collar-technique
#16
Michael Ghosh-Dastidar, Vinayak Bapat
We describe an improvised technique during open surgery of inserting a transcatheter heart valve in the mitral position under very challenging circumstances. This is the first described use of the "extended collar" technique, which allowed implantation of a transcatheter heart valve in severe mitral valve annular calcification, into which a surgical valve could not safely be implanted. We believe that this technique is reproducible and may be helpful to other surgeons when faced with similar difficult circumstances...
September 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28838533/surgical-management-of-caseous-calcification-of-the-mitral-annulus
#17
Laura S Fong, Aden J McLaughlin, N Louis Okiwelu, Indra A J Nordstrand, Mark Newman, Jurgen Passage, Pragnesh V Joshi
Caseous calcification of the mitral annulus (CCMA) is a rare variant of mitral annular calcification; it can manifest with conduction abnormalities or systemic embolization. It typically involves the posterior mitral annulus, and surgery is indicated for severe mitral valve dysfunction, for embolic complications or when the diagnosis is not certain. We describe a structured approach to the surgical management of CCMA using bovine pericardium to repair the defect.
September 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28838361/transcatheter-mitral-valve-replacement-when-mitral-surgery-fails-10-years-later
#18
EDITORIAL
John G Webb, Anson W Cheung, Danny Dvir
No abstract text is available yet for this article.
August 29, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28832802/occult-metastatic-melanoma-presenting-as-an-acute-coronary-syndrome
#19
Tiago R Velho, Nádia Junqueira, André Sena, Hugo Ferreira, Catarina Carvalheiro, Nuno Guerra, Javier Gallego, Ângelo Nobre
Melanoma is a tumor that virtually involves any tissue and commonly metastasizes to the heart. It is usually not diagnosed because of the absent/nonspecific cardiac signs and symptoms. Herein, we present a case of a 41-year-old man without any cardiovascular risk factor, admitted to the emergency room with chest pain, diagnosed with a myocardial infarction. Due to the presence of a mass adjacent to the mitral valve on the cardiac ultrasound examination, causing mitral regurgitation, the patient was referred to surgery...
May 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28832799/surgical-treatment-of-atrial-fibrillation-in-patients-with-rheumatic-valve-disease
#20
Ernesto Koehler Chavez, Alexandre Siciliano Colafranceschi, Andrey José de Oliveira Monteiro, Leonardo Secchin Canale, Evandro Tinoco Mesquita, Clara Weksler, Odilon Nogueira Barbosa, Anderson Oliveira
Objective: To assess heart rhythm and predictive factors associated with sinus rhythm after one year in patients with rheumatic valve disease undergoing concomitant surgical treatment of atrial fibrillation. Operative mortality, survival and occurrence of stroke after one year were also evaluated. Methods: Retrospective longitudinal observational study of 103 patients undergoing rheumatic mitral valve surgery and ablation of atrial fibrillation using uni- or bipolar radiofrequency between January 2013 and December 2014...
May 2017: Brazilian Journal of Cardiovascular Surgery
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