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Mitral valve repair

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https://www.readbyqxmd.com/read/28810272/tricuspid-valve-repair-after-previous-mitral-valve-surgery
#1
Bettina Pfannmueller, Martin Misfeld, Martin Haensig, Piroze Davierwala, Friedrich Wilhelm Mohr
No abstract text is available yet for this article.
August 15, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28803350/comparison-of-mitral-competence-after-mitral-repair-with-papillary-muscle-approximation-versus-papillary-muscle-relocation-for-functional-mitral-regurgitation
#2
Koji Furukawa, Mitsuhiro Yano, Eisaku Nakamura, Masakazu Matsuyama, Masanori Nishimura, Katsuya Kawagoe, Kunihide Nakamura
The purpose of this study was to evaluate the surgical results of papillary muscle approximation (PMA) and papillary muscle relocation (PMR) for functional mitral regurgitation (FMR) and to compare the effects of both procedures on the change in mitral regurgitation (MR) and echocardiogram parameters associated with tethering. Eighteen patients with moderate-to-severe FMR (MR grade ≥2) who underwent PMA or PMR were retrospectively analyzed. Underlying diseases were ischemic cardiomyopathy, idiopathic dilated cardiomyopathy, and aortic valve disease for seven, six, and five patients, respectively...
August 12, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28801688/-tricuspid-valve-regurgitation-indications-and-operative-techniques
#3
R Lange, N Piazza, T Günther
Functional tricuspid valve (TV) regurgitation secondary to left heart disease (e.g. mitral insufficiency and stenosis) is observed in 75% of the patients with TV regurgitation and is thus the most common etiology; therefore, the majority of patients who require TV surgery, undergo concomitant mitral and/or aortic valve surgery. Uncorrected moderate and severe TV regurgitation may persist or even worsen after mitral valve surgery, leading to progressive heart failure and death. Patients with moderate to severe TV regurgitation show a 3-year survival rate of 40%...
August 11, 2017: Herz
https://www.readbyqxmd.com/read/28800987/dynamic-three-dimensional-geometry-of-the-aortic-valve-apparatus-a-feasibility-study
#4
Arash Khamooshian, Yannis Amador, Ting Hai, Jelliffe Jeganathan, Maria Saraf, Eitezaz Mahmood, Robina Matyal, Kamal R Khabbaz, Massimo Mariani, Feroze Mahmood
OBJECTIVE: To provide (1) an overview of the aortic valve (AV) apparatus anatomy and nomenclature, and (2) data regarding the normal AV apparatus geometry and dynamism during the cardiac cycle obtained from three-dimensional transesophageal echocardiography (3D TEE). DESIGN: Retrospective feasibility study. SETTING: A single-center university teaching hospital. PARTICIPANTS: The study was performed on data of 10 patients with a nonregurgitant, nonstenotic aortic valve undergoing cardiac surgery...
August 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28797608/repair-strategies-based-on-pathological-characteristics-of-the-rheumatic-mitral-valve-in-chinese-patients
#5
Luo Tiange, Meng Xu
BACKGROUND: We aimed to clarify the pathological characteristics of rheumatic mitral valve disease in Chinese individuals, as well as to determine the appropriate rheumatic mitral valve repair strategy according to such characteristics. METHODS: We obtained detailed statistics regarding the pathological characteristics of patients who underwent mitral valve repair or replacement for rheumatic disease during the past year at our centre. The outcomes of different repair techniques were compared...
June 28, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28791582/physiological-mitral-annular-dynamics-preserved-after-ring-annuloplasty-in-mid-term-period
#6
Masaaki Ryomoto, Masataka Mitsuno, Mitsuhiro Yamamura, Hiroe Tanaka, Naosumi Sekiya, Hisashi Uemura, Ayaka Sato, Daisuke Ueda, Yuji Miyamoto
OBJECTIVE: Mitral annular structure and dynamics after mitral ring annuloplasty using transesophageal echocardiography during the operation have been reported. We evaluated mitral annular structure and dynamics of three different rings in the mid-term period postoperatively. METHODS: Thirty-one patients underwent mitral valve repair for degenerative mitral insufficiency. The MEMO 3D ring (semi-flexible), Carpentier-Edwards Physio II ring (semi-rigid), and St. Jude Medical Rigid Saddle Ring (rigid) were implanted in 15, 12, and eight patients, respectively, from September 2009 to February 2015...
August 8, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28790242/-novel-device-for-creating-multiple-artificial-chordae-loops-in-mitral-valve-repair
#7
Yoshiei Shimamura, Kazuma Maisawa
A novel device to create multiple artificial chordae loops for mitral repair is developed. The device consists of a circular metal base with a removable central rod on one end, which can easily be attached or removed by screwing into a hole located on the base, and 51 fixed rods placed radially around the central rod at distances of 10~60 mm from the central rod. A needle with CV-4 e-polytetrafluoroethylene suture is passed through a pledget, and the suture is looped from the central rod around the fixed rod located at the desired loop length...
August 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28790238/-early-postoperative-hemodynamics-of-mitral-valvuloplasty-using-colvin-galloway-future-band
#8
Ryosuke Funahashi, Yukikatsu Okada, Takashi Muro, Hitoshi Inanami, Tomoyuki Takemoto
The Colvin-Galloway( CG) Future annuloplasty band is a new semirigid partial band, which was introduced in 2012 in Japan. A total of 60 consecutive patients who underwent mitral valve repair with the CG Future Band were assessed by echocardiography in terms of residual mitral regurgitation and diastolic mitral function postoperatively. Intraoperative 3-dimensional echocardiography beautifully demonstrated the physiological change of the aortic curtain during the cardiac cycle. 30 mm was used in 18 patients, 32 mm in 17, 28 mm in 15, 34 mm in 5, 36 mm in 2, and 26 mm in 2...
August 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28789610/management-of-refractory-bleeding-post-cardiopulmonary-bypass-in-an-acute-heparin-induced-thrombocytopenia-type-ii-renal-failure-patient-who-underwent-urgent-cardiac-surgery-with-bivalirudin-angiox-%C3%A2-anticoagulation
#9
Kimberly Hassen, Maria R Maccaroni, Haytham Sabry, Smitangshu Mukherjee, Shankari Serumadar, Inderpaul Birdi
Acute heparin-induced thrombocytopenia (HIT) patients present myriad anticoagulation management challenges in clinical settings where unfractionated heparin (UFH) is the traditional drug of choice. UFH use in cardiac surgery is a known entity that has been subject to rigorous research. Research has, thus, led to its unparalleled use and the development of well-established protocols for cardiac surgery. In comparison to UFH, bivalirudin use for acute HIT patients requiring urgent cardiac surgery with cardiopulmonary bypass (CPB) is still in its infancy...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28782496/morphological-three-dimensional-analysis-of-papillary-muscles-in-borderline-left-ventricles
#10
Mari N Velasco Forte, Mohamed Nassar, Nick Byrne, Miguel Silva Vieira, Israel V Pérez, Bram Ruijsink, John Simpson, Tarique Hussain
OBJECTIVE: Mitral valve anatomy has a significant impact on potential surgical options for patients with hypoplastic or borderline left ventricle. Papillary muscle morphology is a major component regarding this aspect. The purpose of this study was to use cardiac magnetic resonance to describe the differences in papillary muscle anatomy between normal, borderline, and hypoplastic left ventricles. METHODS: We carried out a retrospective, observational cardiac magnetic resonance study of children (median age 5...
September 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28780572/edge-to-edge-mitral-valve-repair-solid-data-and-a-prosperous-future
#11
EDITORIAL
Martin Orban, Jörg Hausleiter
No abstract text is available yet for this article.
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28776326/a-comprehensive-pipeline-for-multi-resolution-modeling-of-the-mitral-valve-validation-computational-efficiency-and-predictive-capability
#12
Andrew Drach, Amir H Khalighi, Michael S Sacks
Multiple studies have demonstrated that the pathological geometries unique to each patient can affect the durability of mitral valve (MV) repairs. While computational modeling of the MV is a promising approach to improve the surgical outcomes, the complex MV geometry precludes use of simplified models. Moreover, the lack of complete in-vivo geometric information presents significant challenges in the development of patient-specific computational models. There is thus a need to determine the level of detail necessary for predictive MV models...
August 3, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28770396/mitro-aortic-pathology-a%C3%A2-point-of-view-for-a%C3%A2-fully-transcatheter-staged-approach
#13
REVIEW
G D'Ancona, L Paranskaya, A Öner, S Kische, H Ince
Severe aortic valve stenosis (AVS) and mitral valve regurgitation (MVR) often coexist. Although a fully percutaneous treatment for the two conditions, by means of transcatheter aortic valve implantation (TAVI) followed by MitraClip, can be appealing in selected high-risk candidates, critical and strategical reasoning should be applied. In a 3-year period we have developed a single-centre experience of 14 patients who were managed with a staged percutaneous approach to treat severe AVS and MVR. The average interval from TAVI to MitraClip repair was 101 ± 12 days...
August 2, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28770306/prenatal-echocardiographic-predictors-of-postnatal-management-strategy-in-the-fetus-with-right-ventricle-hypoplasia-and-pulmonary-atresia-or-stenosis
#14
Li Cao, Zhiyun Tian, Jack Rychik
Fetuses with pulmonary atresia or pulmonary stenosis with intact ventricular septum manifest variable degrees of right ventricle hypoplasia and inadequacy. We studied the relationship between prenatal echocardiographic parameters and their progression through gestation as potential predictors of postnatal single-ventricle or two-ventricle care strategy. Serial fetal echocardiograms of pulmonary atresia (n = 28) or severe pulmonary stenosis (n = 8) and intact ventricular septum were reviewed. Measurements included tricuspid valve and mitral valve diameter and Z scores, degree of tricuspid regurgitation, presence of subaortic stenosis, presence of coronary artery fistulae, and Doppler pulsatility indices in middle cerebral and umbilical artery...
August 2, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28770032/effects-of-decreased-annular-height-and-annular-saddle-shaped-non-planarity-in-degenerative-severe-mitral-regurgitation-with-normal-left-ventricular-ejection-fraction-real-time-3d-transesophageal-echocardiography
#15
Eun Jeong Cho, Sung-Ji Park, Ga Yeon Lee, Eun Kyoung Kim, Sung-A Chang, Jin-Oh Choi, Sang-Chol Lee, Seung Woo Park, Pyo Won Park
BACKGROUND: The extent of mitral annular (MA) remodeling and dysfunction is correlated with the severity of mitral regurgitation (MR) as well as left atrial (LA) and left ventricular (LV) dilation. MA dysfunction may be a useful prognostic factor for operative timing and MR recurrence after successful mitral valve (MV) repair. The aim of this study was to evaluate additive prognostic factors of MA non-planarity using real-time 3D transesophageal echocardiography (RT3D-TEE) analysis in patients with chronic severe MR and preserved LV systolic function...
June 2017: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28765487/huge-cardiac-myxoma-in-pregnancy
#16
Kuntharee Traisrisilp, Rungsrit Kanjanavanit, Noppon Taksaudom, Suraphong Lorsomradee
A 28-year-old pregnant woman presented at 28 weeks of gestation. She was diagnosed to have a left atrial myxoma 2 years earlier, but was lost to follow-up. During this pregnancy, the transthoracic echocardiography showed a 9 cm mass in the left atrium obstructing mitral valve inflow, interfering with mitral valve closure, causing severe mitral regurgitation and severe pulmonary hypertension. However, there were no clinical signs of pulmonary and systemic congestion or obstruction. Based on the clinical symptoms of the patient, the echocardiographic findings and the term of her pregnancy, the patient decided to schedule for a vaginal delivery with surgical correction after delivery...
July 31, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28762229/-percutaneous-edge-to-edge-mitral-valve-repair-new-transcatheter-approach-and-nursing-experience-in-patients-with-severe-mitral-regurgitation-and-prohibitive-surgical-risk
#17
Hsiu-Fen Huang, Hui-Yun Yu, Ching-Wei Lee, Hui-Chuang Chang, Mei-Ling Lin, Shin-Huey Wung
Open-heart surgery and conservative medical treatments have been the traditional, mainstay treatments for patients with severe mitral regurgitation (MR). Transcatheter edge-to-edge mitral repair is a novel technique. Using the transcatheter approach allows delivery of the clip into the left ventricle and the clipping of the orifice of the MR. The heart failure symptoms and outcomes of patients improve after this procedure. Compared to open-heart surgery, the mitral clip achieves similar MR reduction results with a significantly lower rate of complications...
August 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/28762165/the-mid-term-results-of-mitral-valve-repair-for-isolated-mitral-regurgitation-in-infancy-and-childhood
#18
Yi Shi, Haitao Xu, Jun Yan, Qiang Wang, Shoujun Li, Tong Yi, Yajuan Zhang, Wenchao Liu
The objective of this study was to assess the mid-term results of mitral valve (MV) repair in infancy and childhood with isolated mitral regurgitation (MR). From January 2005 to January 2016, 40 consecutive patients with isolated MR underwent MV repair in Fuwai Hospital, Beijing, China. Patients' clinical data were analyzed retrospectively. Mean age at operation was 13 ± 5 (6-24) months and 22 patients (55%) were younger than 1 year. Mean weight at operation was 8.5 ± 1.9 (4.2-13) kg and 34 patients (85%) were lighter than 10 kg...
July 31, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28760467/resident-autonomy-in-the-operating-room-expectations-versus-reality
#19
Shari L Meyerson, Joel M Sternbach, Joseph B Zwischenberger, Edward M Bender
BACKGROUND: There is concern about graduating thoracic trainees' independent operative skills due to limited autonomy in training. This study compared faculty and trainee expected levels of autonomy with intraoperative measurements of autonomy for common cardiothoracic operations. METHODS: Participants underwent frame-of-reference training on the 4-point Zwisch scale of operative autonomy (show and tell → active help → passive help → supervision only) and evaluated autonomy in actual cases using the Zwisch Me!! mobile application...
July 28, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28760466/outcomes-of-early-mitral-valve-reoperation-in-the-medicare-population
#20
Kathleen Kwedar, Christian McNeely, Alan Zajarias, Steve Markwell, Christina M Vassileva
BACKGROUND: Surgical series on mitral valve reoperation are limited by small numbers and lack of national representation. Large-scale outcomes of reoperation for mitral valve surgery remain uncertain. METHODS: This is a descriptive analysis of 1,627 Medicare beneficiaries who underwent mitral valve reoperation within a 3-year follow-up period after an initial mitral operation (repair or replacement) that took place between 2000 and 2006. The primary outcomes were hospital mortality and long-term survival...
July 28, 2017: Annals of Thoracic Surgery
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