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Prosthetic valve disease

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https://www.readbyqxmd.com/read/28903607/candida-endocarditis-systematic-literature-review-from-1997-to-2014-and-analysis-of-29-cases-from-the-italian-study-of-endocarditis
#1
Simone Giuliano, Maurizio Guastalegname, Alessandro Russo, Marco Falcone, Veronica Ravasio, Marco Rizzi, Matteo Bassetti, Pierluigi Viale, Maria Bruna Pasticci, Emanuele Durante-Mangoni, Mario Venditti
Candida Endocarditis (CE) is a deadly disease. It is of paramount importance to assess risk factors for acquisition of both Candida native (NVE) and prosthetic (PVE) valve endocarditis and relate clinical features and treatment strategies with the outcome of the disease. Areas covered: We searched the literature using the Pubmed database. Cases of CE from the Italian Study on Endocarditis (SEI) were also included. Overall, 140 cases of CE were analyzed. Patients with a history of abdominal surgery and antibiotic exposure had higher probability of developing NVE than PVE...
September 14, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28876686/management-of-failed-mitral-valve-replacement-the-durban-experience
#2
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
#3
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/28852976/experimental-study-of-right-ventricular-hemodynamics-after-tricuspid-valve-replacement-therapies-to-treat-tricuspid-regurgitation
#4
Yen Ngoc Nguyen, Munirah Ismail, Foad Kabinejadian, Chi Wei Ong, Edgar Lik Wui Tay, Hwa Liang Leo
The increased understanding of right heart diseases has led to more aggressive interventions to manage functional tricuspid regurgitation (FTR). In some cases of FTR, prosthetic valve replacement is typically considered when concomitant organic components or significant geometrical distortions are involved in the pathology of the tricuspid valve. However, little is known of the performance of current devices in the right heart circulation. In this study, a novel in vitro mock circulatory system that incorporated a realistic tricuspid valve apparatus in a patient-specific silicon right ventricle (RV) was designed and fabricated...
August 29, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28847146/on-x-versus-st-jude-medical-mechanical-prosthesis-in-mitral-position-are-we-moving-forward-in-design-technology
#5
Ezzeldin A Mostafa, Ashraf A El Midany, Ahmed S Taha, Saeed R El Aasy, Ayman A Doghish, Ahmed Helmy, Sherif A Mansour, Ramy Khorshid, Hosam E Ashor, Yaser Elnahas, Mohammed Saffan
BACKGROUND: Continuous effort is still provided in designing optimal artificial heart valves with better hemodynamic function and reduced thromboembolic potential. The question is do we have moved forward toward this goal or not. METHODS: A prospective, randomized comparative study was done on 360 patients scheduled for elective mitral valve replacement. Patients were grouped into On-X group (n=180) who received On-X mechanical valve and SJM (n=180) who received St Jude mechanical valve...
July 28, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28828046/modern-use-of-echocardiography-in-transcatheter-aortic-valve-replacement-an-up-date
#6
Cristina Caldararu, Serban Balanescu
Echocardiography is the cornerstone in the diagnosis of any valvular heart disease. The accurate diagnosis of aortic stenosis, the left ventricle function and the other heart valves evaluation are currently done by ultrasound alone. Prosthetic valve choice and dimensions prior to implantation can be done solely by proper use of echocardiography. The emergence of new methods to cure aortic stenosis such as trans-catheter aortic valve replacement (TAVR) emphasized the diagnostic value of cardiac ultrasound. The usefulness of echocardiography in TAVR can be divided in the baseline assessment (common to patients treated by conventional surgery), intra-procedural guidance of valve deployment and post-procedural follow-up...
December 2016: Mædica
https://www.readbyqxmd.com/read/28820551/fungal-endocarditis-due-to-aspergillus-oryzae-the-first-case-reported-in-the-literature
#7
Andrea Mazza, Nicola Luciani, Marco Luciani, Federico Cammertoni, Alessia Giaquinto, Natalia Pavone, Piergiorgio Bruno, Massimo Massetti
Infective endocarditis (IE) is a severe disease with high mortality and morbidity. Prosthetic valve endocarditis is a life-threatening complication which can occur in less than 10% of patients with valve prosthesis. A fungal etiology of IE is rare and accounts for only 2-4% of all case of endocarditis, but is associated with a higher mortality and morbidity. Herein is reported the first case of fungal endocarditis of aortic valve prosthesis due to Aspergillus oryzae in a 67-year-old caucasian man who nine years previously underwent mitral and aortic valve replacement with mechanical prostheses, and tricuspid annuloplasty for acute IE due to Enterococcus spp...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28780660/update-on-valvular-heart-disease-in-pregnancy
#8
REVIEW
Lucy M Safi, Sarah V Tsiaras
Valvular heart disease in women of childbearing age poses an increased risk of adverse maternal and fetal outcomes, and management in pregnancy can be challenging. Ideally, patients with suspected valvular disease should have preconception counseling by a multidisciplinary team including cardiologists with expertise in pregnancy and a maternal-fetal medicine specialist. Preconception planning should include a cardiac assessment of maternal risk, determination of frequency of surveillance, and a cardiovascular management plan during delivery...
September 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28780576/mechanical-and-surgical-bioprosthetic-valve-thrombosis
#9
REVIEW
Wei Yao Lim, Guy Lloyd, Sanjeev Bhattacharyya
Valve thrombosis can occur in mechanical prosthetic valves and is increasingly recognised in transcatheter and surgically implanted bioprosthetic valves. The risk of thrombosis of mechanical valves is higher in the mitral position compared with aortic position and in older generation valves (ball and cage valves). There is a wide spectrum of presentation from the asymptomatic patient to those with embolic complications or cardiogenic shock. A combination of transthoracic and transesophageal echocardiography is required to assess the haemodynamic effect of thrombosis (valve gradients and area), leaflet motion and thrombus size...
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28759471/the-ross-procedure-in-adults-which-patients-which-disease
#10
Amine Mazine, Ismail El-Hamamsy, Maral Ouzounian
PURPOSE OF REVIEW: The purpose of this article is to review the contemporary evidence surrounding the use of the Ross procedure in young and middle-aged adults and to identify the subset patients who are most likely to derive a benefit from this operation. RECENT FINDINGS: In appropriately selected young and middle-aged adults undergoing aortic valve replacement (AVR), the Ross procedure is currently the only operation that can restore long-term survival that is equivalent to that of the age-matched healthy general population...
July 29, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28734430/transcatheter-aortic-valve-implantation-under-direct-visualization-in-homograft-valve-endocarditis
#11
Tarek Chami, Guilherme Attizzani, Benjamin Medalion, Salil V Deo
Prosthetic valve endocarditis is a very grave and often terminal disease. Surgical valve replacement remains the cornerstone treatment for this disease. However, it is often contraindicated. Herein, we describe the implantation under direct visualization of a self-expandable transcatheter heart valve in a prohibitive surgical risk patient with homograft aortic valve endocarditis.
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28719311/infective-endocarditis-in-french-west-indies-a-13-year-observational-study
#12
COMPARATIVE STUDY
Elisabeth Fernandes, Claude Olive, Jocelyn Inamo, François Roques, André Cabié, Patrick Hochedez
We conducted an observational study to describe the characteristics of infective endocarditis (IE) in French West Indies (FWI) and to identify variables associated with in-hospital case fatality. The records of the patients admitted for IE to the University Hospital of Martinique between 2000 and 2012 were collected using an electronic case report form. Only Duke-Li definite cases were considered for this analysis. Variables associated with in-hospital mortality were tested using univariate logistic regression analysis...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28711585/global-outbreak-of-severe-mycobacterium-chimaera-disease-after-cardiac-surgery-a-molecular-epidemiological-study
#13
Jakko van Ingen, Thomas A Kohl, Katharina Kranzer, Barbara Hasse, Peter M Keller, Anna Katarzyna Szafrańska, Doris Hillemann, Meera Chand, Peter Werner Schreiber, Rami Sommerstein, Christoph Berger, Michele Genoni, Christian Rüegg, Nicolas Troillet, Andreas F Widmer, Sören L Becker, Mathias Herrmann, Tim Eckmanns, Sebastian Haller, Christiane Höller, Sylvia B Debast, Maurice J Wolfhagen, Joost Hopman, Jan Kluytmans, Merel Langelaar, Daan W Notermans, Jaap Ten Oever, Peter van den Barselaar, Alexander B A Vonk, Margreet C Vos, Nada Ahmed, Timothy Brown, Derrick Crook, Theresa Lamagni, Nick Phin, E Grace Smith, Maria Zambon, Annerose Serr, Tim Götting, Winfried Ebner, Alexander Thürmer, Christian Utpatel, Cathrin Spröer, Boyke Bunk, Ulrich Nübel, Guido V Bloemberg, Erik C Böttger, Stefan Niemann, Dirk Wagner, Hugo Sax
BACKGROUND: Since 2013, over 100 cases of Mycobacterium chimaera prosthetic valve endocarditis and disseminated disease were notified in Europe and the USA, linked to contaminated heater-cooler units (HCUs) used during cardiac surgery. We did a molecular epidemiological investigation to establish the source of these patients' disease. METHODS: We included 24 M chimaera isolates from 21 cardiac surgery-related patients in Switzerland, Germany, the Netherlands, and the UK, 218 M chimaera isolates from various types of HCUs in hospitals, from LivaNova (formerly Sorin; London, UK) and Maquet (Rastatt, Germany) brand HCU production sites, and unrelated environmental sources and patients, as well as eight Mycobacterium intracellulare isolates...
July 12, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28697893/mechanical-valves-in-the-pulmonary-position-an-international-retrospective-analysis
#14
Hanna Pragt, Joost P van Melle, Hoda Javadikasgari, Dong Man Seo, John M Stulak, Igor Knez, Jürgen Hörer, Christian Muñoz-Guijosa, Mahyar G Dehaki, Hong Ju Shin, Joseph A Dearani, Maziar G Dehaki, Petronella G Pieper, Christine Eulenburg, Laura Dos, Tjark Ebels
OBJECTIVE: Life expectancy of patients with congenital heart disease has improved over the past decades, increasing the need for a durable pulmonary prosthetic valve. Biological valves in various forms have become the valve of choice for pulmonary valve replacement (PVR), but structural valve deterioration is unavoidable in the long term. Use of a mechanical valve could be an alternative, but data on long-term outcomes are sparse. METHODS: We retrospectively collected and analyzed data on 364 patients with mechanical valves implanted in the pulmonary position between 1965 and 2014...
May 20, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28695557/impact-of-new-technologies-and-experience-on-procedural-aspects-of-surgical-aortic-valve-replacement-a-process-analysis
#15
Bettina Langhammer, Maria Nucera, Lars Englberger, Eva Roost, David Reineke, Florian Schönhoff, Henriette Most, Bernhard Winkler, Fabian Gisler, Thierry Carrel, Christoph Huber
BACKGROUND: Surgical aortic valve replacement (SAVR) is the treatment of choice in severe symptomatic aortic valve disease. New techniques and prostheses have been recently developed to facilitate the procedure and reduce aortic cross-clamp time (AOx). The aim of this study was to analyse the different procedural steps in order to identify the most time-consuming part during aortic clamping time and to compare impact of experience on procedural aspects. METHODS: AOx during SAVR was divided into five consecutive steps...
July 11, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28691910/transcatheter-aortic-valve-implantation-for-mixed-versus-pure-stenotic-aortic-valve-disease
#16
Mohammad Abdelghani, Rafael Cavalcante, Yosuke Miyazaki, Robbert J de Winter, Jan G Tijssen, Rogério Sarmento-Leite, José A Mangione, Alexandre Abizaid, Pedro A Lemos, Patrick W Serruys, Fabio S de Brito
AIMS: In addition to patients with pure/predominant aortic stenosis (PAS), real-world transcatheter aortic valve implantation (TAVI) referrals include patients with mixed aortic valve disease (MAVD; severe stenosis + moderate-severe regurgitation). We sought to compare TAVI outcomes in patients with MAVD vs. PAS. METHODS AND RESULTS: Out of 793 consecutive patients undergoing TAVI, 106 (13.4%) had MAVD. Patients with MAVD were younger and had a higher operative risk, a severer adverse cardiac remodeling, and a worse functional status than patients with PAS...
July 11, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28690300/contemporary-in-hospital-and-long-term-outcomes-of-surgical-management-for-fungal-endocarditis
#17
Jinmiao Chen, Jun Li, Tianyu Zhou, Kui Hu, Zhaohua Yang, Yao Wang, Kai Zhu, Tao Hong, Hao Lai, Chunsheng Wang
Fungal endocarditis (FE) is a rare and fatal disease. The contemporary in-hospital and long-term surgical outcomes of FE have not been adequately evaluated. This study describes our experience with the surgical management of FE.Eight FE patients who underwent surgery in our center from January 2004 to November 2016 were included in this study. Seven had fungal prosthetic valve endocarditis (PVE) and one fungal native valve endocarditis (NVE). The Bentall operation, Cabrol operation, and mitral valve replacement were performed in 4, 3, and 1 patient, respectively...
August 3, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28674625/gender-related-differences-in-self-reported-dental-care-in-adults-with-congenital-heart-disease-at-increased-risk-of-infective-endocarditis
#18
Susann Schmidt, Marlies Ramseier-Hadorn, Corina Thomet, Kerstin Wustmann, Markus Schwerzmann
OBJECTIVE: Adults with congenital heart disease (CHD) are at increased risk of infective endocarditis (IE). Women with CHD have a lower IE risk, potentially due to gender-related differences in dental care. We aimed to assess self-reported dental hygiene measures in adults with CHD, and to identify factors associated with good oral hygiene. METHODS AND RESULTS: Descriptive study includes 187 adults with CHD at increased risk of IE. The patients' IE knowledge was assessed using an adapted version of the Leuven Knowledge Questionnaire for CHD...
2017: Open Heart
https://www.readbyqxmd.com/read/28671807/valvular-heart-disease-in-adults-infective-endocarditis
#19
REVIEW
Zubair A Khan, Steven M Hollenberg
A variety of microorganisms can cause infective endocarditis (IE) in patients with native valves. Staphylococci and streptococci are most common in community-acquired IE; staphylococci are most common in nosocomial IE. Microbiology of prosthetic valve endocarditis (PVE) depends on timing. Early-onset PVE (ie, 60 days or fewer postsurgery) typically is nosocomial, with Staphylococcus aureus infection being most common. Intermediate-onset PVE (ie, 60 to 365 days postsurgery) typically involves a mix of nosocomial and non-nosocomial organisms...
June 2017: FP Essentials
https://www.readbyqxmd.com/read/28671806/valvular-heart-disease-in-adults-management-of-prosthetic-heart-valves
#20
REVIEW
John F Trujillo, Steven M Hollenberg
Patients undergoing cardiac valve replacement may receive mechanical or bioprosthetic valves. Mechanical valves require lifelong anticoagulation but are durable and the need for a second surgery is up to eightfold times less than with bioprosthetic valves. Bioprosthetic valves do not require lifelong anticoagulation and thus are associated with fewer bleeding complications but they are less durable and associated with higher morbidity and mortality rates, particularly in younger patients. Anticoagulation with mechanical valves is achieved using warfarin; use of direct-acting oral anticoagulants is not indicated...
June 2017: FP Essentials
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