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https://www.readbyqxmd.com/read/27909490/effects-of-atrial-fibrillation-cardioversion-after-percutaneous-mitral-balloon-valvuloplasty-on-echocardiographic-left-and-right-atrial-functions
#1
Ayman Morttada Md, Aly Ramzy Md, Said Khaled Md, Amal Ayoub Md, Sameh Samir Md, Hossam Zaki Md
Amongst patients with mitral stenosis (MS), the most common complication is AF.Our study aimed at evaluating the effect of AF cardioversion after Percutaneous Mitral Balloon Valvuloplasty (PMBV) on echocardiographic atrial functions. The study included 34 patients with MS and AF, presenting to Ain-shams University hospitals, who underwent successful PMBV then randomized into 2 different groups according to AF management strategy. Group-I patients (n=16) received DC cardioversion after amiodarone infusion (within 24 hours post-PMBV) in addition to anticoagulation...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27502294/predicting-outcomes-after-percutaneous-mitral-balloon-valvotomy-the-impact-of-left-ventricular-strain-imaging
#2
Sergio Barros-Gomes, Mackram F Eleid, Jordi S Dahl, Cristina Pislaru, Rick A Nishimura, Patricia A Pellikka, Sorin V Pislaru
AIMS: This study aimed (1) to evaluate the impact of preprocedural two-dimensional speckle-tracking echocardiography (2D-STE) on long-term outcome after successful percutaneous mitral balloon valvotomy (PMBV) in patients with mitral stenosis (MS) and (2) to determine whether 2D-STE detects underlying diastolic dysfunction as defined by invasive haemodynamic study. METHODS AND RESULTS: Sixty-four consecutive MS patients with preserved left ventricular ejection fraction (LVEF ≥50%) and who underwent successfully PMBV were studied...
August 7, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/27147399/the-association-between-mean-platelet-volume-and-spontaneous-echocardiographic-contrast-or-left-atrial-thrombus-in-patients-with-mitral-stenosis
#3
Kevser Gülcihan Balcı, Orhan Maden, Mustafa Mücahit Balcı, Fatih Şen, Sefa Ünal, Serdar Kuyumcu, Meryem Kara, Hatice Selçuk, Mehmet Timur Selcuk, Ahmet Temizhan
OBJECTIVE: Although the role of platelet activation has been debated in patients with mitral stenosis (MS) and spontaneous echocardiographic contrast (SEC), data on differences in mean platelet volume (MPV) according to the presence of SEC/left atrial thrombus and the rhythm status are lacking. In this study, MPV was analyzed in patients with MS according to the presence of SEC/left atrial thrombus. METHODS: Between January 2005 and March 2014, 188 symptomatic patients having moderate or severe MS (mean age, 45...
April 25, 2016: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/26544600/usefulness-of-the-macruz-index-for-predicting-successful-percutaneous-mitral-balloon-valvuloplasty-in-patients-with-mitral-stenosis
#4
Kevser Gülcihan Balcı, Mustafa Mücahit Balcı, Orhan Maden, Fatih Şen, Mehmet Kadri Akboga, Burak Açar, Meryem Kara, Sadık Kadri Açıkgöz, Hatice Selcuk, Mehmet Timur Selcuk
OBJECTIVE: The aim of this study was to determine whether the Macruz index (P/P-R segment) could predict the severity of valvular involvement and the success of percutaneous mitral balloon valvuloplasty (PMBV) in patients with mitral stenosis (MS). SUBJECTS AND METHODS: Sixty-one patients with MS eligible for PMBV and 72 healthy subjects (61 females and 11 males) with sinus rhythm were enrolled into this study. PMBV was performed in all patients using a percutaneous transseptal antegrade approach and a multitrack balloon technique...
2016: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/26374190/fabrication-of-a-live-cell-containing-multilayered-polymer-hydrogel-membrane-with-micrometer-scale-thickness-to-evaluate-pharmaceutical-activity
#5
Botao Gao, Tomohiro Konno, Kazuhiko Ishihara
We propose a spinning-assisted layer-by-layer method for simple fabrication of a multilayered polymer hydrogel membrane that contains living cells. Hydrogel formation occurred based on the spontaneous cross-linking reaction between two polymers in aqueous solution. A water-soluble 2-methacryloyloxyethyl phosphorylcholine polymer bearing phenylboronic acid groups (PMBV) and poly(vinyl alcohol) (PVA) were used as polymers for hydrogel membrane formation. Changing the number of hydrogel membrane layers, polymer concentration, spinning rate, and processing time for diffusion-dependent gelation of PMBV and PVA facilitated the regulation of the multilayered polymer hydrogel membrane thickness and morphology...
2015: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/26204686/evaluation-of-the-effect-of-percutaneous-mitral-balloon-valvuloplasty-on-left-ventricular-systolic-function-via-strain-and-strain-rate-in-patients-with-isolated-rheumatic-mitral-stenosis
#6
Osman Bektaş, Zeki Yüksel Günaydin, Ahmet Karagöz, Asli Vural, Ahmet Kaya, Hüsnü Atmaca, Osman Sahin
BACKGROUND AND AIM OF THE STUDY: Percutaneous balloon mitral valvuloplasty (PMBV) has an established role in the treatment of rheumatic mitral stenosis. The study aim was to evaluate the effects of PMBV on left ventricular function in patients with rheumatic mitral stenosis (MS) by using strain and strain rate imaging modalities. METHODS: The study included 30 consecutive patients (21 women, nine men; mean age 44 ± 14 years) with moderate to severe MS. Left ventricular long-axis strain and strain rate color tissue Doppler imaging of the septal, lateral, inferior and anterior basal segments were performed one day before and seven days after PMBV...
March 2015: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/25934282/efficient-differentiation-of-stem-cells-encapsulated-in-a-cytocompatible-phospholipid-polymer-hydrogel-with-tunable-physical-properties
#7
Haruka Oda, Tomohiro Konno, Kazuhiko Ishihara
A large number of lineage-committed progenitor cells are required for advanced regenerative medicine based on cell engineering. Due to their ability to differentiate into multiple cells lines, multipotent stem cells have emerged as a vital source for generating transplantable cells for use in regenerative medicine. Increment in differentiation efficiency of the mesenchymal stem cell was obtained by using hydrogel to adjust the proliferation cycle of encapsulated cells to signal sensitive phase. Three dimensional (3-D) polymer networks composed of poly(2-methacyloyloxyethyl phosphorylcholine (MPC)-co-n-butyl methacrylate (BMA)-co-p-vinylphenylboronic acid (VPBA)) (PMBV) and poly(vinyl alcohol) (PVA) were prepared as a hydrogel...
July 2015: Biomaterials
https://www.readbyqxmd.com/read/25620336/-a-case-of-percutaneous-mitral-balloon-valvuloplasty-complicated-by-pericardial-effusion-and-thrombus-formation-on-the-interatrial-septum
#8
İsa Öner Yüksel, Selçuk Küçükseymen, Göksel Çağırcı, Şakir Arslan
Percutaneous mitral balloon valvuloplasty (PMBV) is the primary treatment in mitral stenosis patients with appropriate valve anatomy with no contraindications present. Pericardial effusion, cardiac tamponade and thrombus formation are rare but serious complications of this procedure. In the literature, the mortality rate associated with PMBV has been reported as 1%. The presence of intracardiac thrombus is a contraindication for PMBV. However, thrombus formation during the process is a very rare condition. In this case, we present a patient with rheumatic mitral stenosis, with both pericardial effusion and intracardiac thrombus, after laseration at the base of the left atrium during the valvuloplasty procedure...
December 2014: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/25413226/effect-of-percutaneous-mitral-balloon-valvuloplasty-on-right-ventricular-functions-in-mitral-stenosis-short-and-mid-term-results
#9
Sinan İnci, Mustafa Kemal Erol, Eftal Murat Bakırcı, Hikmet Hamur, Hüsnü Değirmenci, Hakan Duman, Şule Karakelleoğlu
OBJECTIVE: To evaluate the short- and mid-term effects of percutaneous mitral balloon valvuloplasty (PMBV) on right ventricular functions in mitral stenosis. METHODS: A prospective study was conducted in 61 patients who had mitral stenosis in normal sinus rhythm (68% female, age: 42±11-16 years). Right ventricular functions were measured before, immediately after, and at 3 months and 1 year after PMBV by conventional and tissue Doppler echocardiography imaging methods...
April 2015: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/25362941/early-and-mid-term-effects-of-percutaneous-mitral-balloon-valvuloplasty-on-left-atrial-mechanical-functions-in-mitral-stenosis
#10
Sinan Inci, Mustafa Kemal Erol, Muhammet Hakan Taş, Eftal Murat Bakırcı, Hikmet Hamur, Sule Karakelleoğlu
OBJECTIVES: The aim of the study was to evaluate left atrial (LA) mechanical functions in MS before and after percutaneous mitral balloon valvuloplasty (PMBV) and to follow it up in short- and mid-term. STUDY DESIGN: We carried out a prospective study of 49 patients with critical mitral stenosis (MS) who had normal sinus rhythm. LA mechanical functions were evaluated before and 24-48 h, 3 months, and 1 year after PMBV, which included LA passive emptying volume (LAPEV), LA active emptying volume (LAAEV), LA total emptying volume (LATEV), LA passive emptying fraction (LAPEF), LA active emptying fraction (LAAEF), LA total emptying fraction (LATEF), and conduit volume...
September 2014: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/25345485/the-effects-of-successful-percutaneous-mitral-balloon-valvuloplasty-on-acute-and-intermediate-term-aortic-stiffness
#11
Sinan Inci, Gökay Nar, Mustafa Kemal Erol, Selami Demirelli, Hakan Duman, Serkan Serdar, Fatih Erol
AIM: The aim of this study was to evaluate the effects of percutaneous mitral balloon valvuloplasty (PMBV) on short- and intermediate-term aortic stiffness in patients with mitral stenosis. MATERIALS AND METHODS: This prospective study included 56 patients with critical mitral stenosis in normal sinus rhythm (68% female; mean age: 42 ± 11 years) and 37 healthy controls. Aortic stiffness was measured using transthoracic echocardiography before PMBV, and 24-48 hours and 1 year post procedure...
May 2015: Echocardiography
https://www.readbyqxmd.com/read/24660996/effect-of-increased-severity-of-mitral-regurgitation-and-preprocedural-right-ventricular-systolic-dysfunction-on-biventricular-and-left-atrial-mechanical-functions-following-percutaneous-mitral-balloon-valvuloplasty
#12
Kursat Tigen, Selcuk Pala, Beste Ozben Sadic, Tansu Karaahmet, Cihan Dundar, Mustafa Bulut, Akin Izgi, Ali Metin Esen, Cevat Kirma
BACKGROUND: Severe mitral stenosis (MS) may impair left atrial (LA) pump function, and increase LA and pulmonary venous pressure resulting in right ventricular (RV) systolic dysfunction. The aim of this study was to evaluate biventricular and LA function after percutaneous mitral balloon valvuloplasty (PMBV) by tissue Doppler (TDI) and speckle tracking echocardiography (STE). METHODS: Twenty-eight consecutive patients with severe symptomatic rheumatic MS (11 men, mean age: 39 ± 7 years) who were referred for PMBV were included in the study...
November 2014: Echocardiography
https://www.readbyqxmd.com/read/24481093/-evaluation-of-the-long-term-effect-of-percutaneous-balloon-valvuloplasty-on-right-ventricular-function-using-tissue-doppler-imaging-in-patients-with-mitral-stenosis
#13
Zekeriya Kaya, Hekim Karapınar, Hasan Kaya, Ozlem Batukan Esen, Mustafa Akçakoyun, Göksel Acar, Ali Metin Esen, Cevat Kırma
OBJECTIVES: We investigated the effects of percutaneous mitral balloon valvuloplasty (PMBV) on right ventricular function in the long term using tissue Doppler imaging. STUDY DESIGN: Twenty-seven patients who underwent successful PMBV were enrolled in the study. Echocardiographic examination, including color tissue Doppler imaging, was done from the lateral tricuspid annulus 24 hours before the intervention, and the examination was repeated 24 hours and 6 months after the intervention...
January 2014: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/24351952/-delayed-cardiac-asystole-after-percutaneous-mitral-balloon-valvuloplasty
#14
Nermin Bayar, Isa Oner Yüksel, Görkem Kuş, Sakir Arslan
Percutaneous mitral balloon valvuloplasty (PMBV) is the preferred treatment in mitral stenosis patients with appropriate valve anatomy, but it may cause arrhythmic complications rarely. In the literature, the mortality rate associated with PMBV has been reported as 1%, and a small number of patients developed atrioventricular block during the process. In this report, we describe a 53-year-old female patient with severe rheumatic mitral stenosis who developed Mobitz type 2 atrioventricular block and asystole after a successful PMBV operation...
December 2013: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/24229772/management-of-mitral-stenosis-using-2d-and-3d-echo-doppler-imaging
#15
REVIEW
Nina C Wunderlich, Roy Beigel, Robert J Siegel
Although the prevalence of rheumatic fever is decreasing in developed countries, it still affects numerous areas in the nonindustrialized world. Untreated mitral stenosis (MS) contributes to a significant global morbidity and mortality. Echocardiography is the main diagnostic imaging modality with which to evaluate mitral valve (MV) obstruction and assess the severity and hemodynamic consequences of MS as well as valve morphology. According to current guidelines and recommendations for clinical practice, the severity of MS should not be defined by a single value but assessed by valve areas, mean Doppler gradients, and pulmonary pressures...
November 2013: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/23676454/the-use-of-the-mechanical-microenvironment-of-phospholipid-polymer-hydrogels-to-control-cell-behavior
#16
Haruka Oda, Tomohiro Konno, Kazuhiko Ishihara
We considered that properties of the microenvironment surrounding cells are important for the control of the cell functions. Cytocompatible polymer hydrogels are good candidates to study such microenvironment. Here, we prepared spontaneously forming hydrogels composed of two polymer systems, namely poly(2-methacryloyloxyethyl phosphorylcholine-co-n-butyl methacrylate-co-p-vinylphenylboronic acid) (PMBV) and poly(vinyl alcohol) (PVA). The PMBV/PVA hydrogels could be reversibly dissociated by the addition of d-sorbitol...
August 2013: Biomaterials
https://www.readbyqxmd.com/read/23587764/a-simple-procedure-for-the-preparation-of-precise-spatial-multicellular-phospholipid-polymer-hydrogels
#17
Botao Gao, Tomohiro Konno, Kazuhiko Ishihara
A precise spatial multicellular polymer hydrogel matrix was prepared by successive assembly of cell-laden hydrogel layers alternated by hydrogel layers without cells based on the spontaneous hydrogel formation between 2 aqueous polymer solutions. The polymers used were a water-soluble 2-methacryloyloxyethyl phosphorylcholine polymer bearing phenylboronic acid groups (PMBV) and poly(vinyl alcohol) (PVA). Each cell-laden layer was deposited as a cell-laden PMBV solution on a PMBV/PVA precursor film. PMBV/PVA multilayer hydrogel was stacked on the top of a cell-laden layer by sequential coating with spinning of the PMBV and PVA solutions...
August 1, 2013: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/23558810/percutaneous-mitral-balloon-valvuloplasty-beyond-65-years-of-age
#18
Zbigniew Chmielak, Mariusz Kłopotowski, Marcin Demkow, Marek Konka, Piotr Hoffman, Krzysztof Kukuła, Mariusz Kruk, Adam Witkowski, Witold Rużyłło
BACKGROUND: The profile of subjects undergoing percutaneous mitral balloon valvuloplasty (PMBV) in developed countries has shifted toward the elderly. In the group of elderly patients long-term results after PMBV, as well prognostic factors that may improve patient selection for this procedure have not been fully elucidated. Aim of the study was to evaluate the safety and efficacy of PMBV for the treatment of mitral stenosis in patients older than 65. METHODS: The studied group consists of 132 consecutive patients aged > 65, who underwent PMBV...
2013: Cardiology Journal
https://www.readbyqxmd.com/read/23523394/intracardiac-echocardiography-guided-percutaneous-mitral-balloon-valvuloplasty
#19
Konstantinos Marmagkiolis, Mehmet Cilingiroglu
Percutaneous mitral balloon valvuloplasty (PMBV) was initially described by Inoue in 1984 as a novel percutaneous technique for the management of mitral stenosis. Intracardiac echocardiography was initially used in the 1980s but was not universally accepted due to its high-frequency transducers and problems with steerability and manipulation. In the 1990s technical improvements led to more generalized use in various structural interventional procedures. We present the case of a successful PMBV guided exclusively by ICE...
April 2013: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/23518931/the-turkish-registry-of-heart-valve-disease
#20
Recep Demirbağ, Leyla Elif Sade, Mustafa Aydın, Abdi Bozkurt, Esmeray Acartürk
OBJECTIVES: Valvular heart diseases (VHD) occur frequently in Turkey. However, epidemiological studies of VHD have not been completed until now. The aim of this study is to identify the VHD type, clinical, laboratory characteristics, and treatment methods among VHD patients in Turkey. STUDY DESIGN: The study was conducted prospectively between June 2009 and June 2011 at 42 centers, and included patients with native VHDs, infective endocarditis, and/or previous valve interventions...
January 2013: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
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