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mitral annulus

Bin Bai, Jin Xiong, Yuyan Lv, Shikai Yu, Jiadela Teliewubai, Chen Chi, Yiwu Zhou, Kai Wang, Le Wang, Yi Zhang, Yawei Xu
OBJECTIVE: To investigate the discrepancy between PWV and PPA in association with hypertensive TODs in the elderly population. DESIGN AND METHOD: From June 2014 to August 2015, a total of 1599 community-based elderly subjects (age > 65 years old) located in the northern Shanghai were recruited. The carotid-femoral pulse wave velocity (cfPWV), peripheral blood pressure (BP), central BP and other TODs indicators including the ratio of the early ventricular filling velocity (E) to the peak velocity of tissue Doppler velocity of septal mitral annulus (E/Ea), left ventricular mass index (LVMI), carotid intima-medium thickness (IMT), estimated glomerular filtration rate (eGFR), urinary albumin-creatinine rate (ACR) were assessed on each participant...
September 2016: Journal of Hypertension
Jagdish C Mohan, Madhu Shukla, Vishwas Mohan, Arvind Sethi
Left atrial dissection is a very uncommon complication of cardiac surgery and usually causes significant hemodynamic compromise. Little is known about spontaneous dissection of the left atrium. Two patients, one middle-aged man and another elderly woman were evaluated following stroke. Routine trans-thoracic echocardiogram showed vertical division of the left atrium with both chambers communicating with each other through an orifice. Detailed trans-oesophageal echocardiographic study revealed dissection of the left atrium producing an additional false chamber (pseudo-aneurysm) placed posterior to the left atrial appendage and above the postero-lateral aspect of mitral annulus...
September 2016: Indian Heart Journal
Jagdish C Mohan, Madhu Shukla, Vishwas Mohan, Arvind Sethi
Mitral annular calcification (MAC) has been considered a predisposition and an association of thrombo-embolic disease. Superimposed thrombus on MAC is under-appreciated as a potential cause of systemic thrombo-embolism. This report describes an elderly gentleman, who had recurrent cerebral embolism and in one of the episodes, a large mobile thrombus was detected on the ventricular surface of calcified mitral annulus. The thrombus disappeared after initiation of anti-coagulation.
September 2016: Indian Heart Journal
Feras M Ghazawi, Giulia Vinco, Mathieu Walker
Caseous calcification of the mitral annulus (CCMA) is a rare variant of mitral annulus calcification which presents as a semilunar echodense mass with smooth borders and central areas of echolucency. It is an under-recognized benign entity and can be misdiagnosed for a number of pathologies including tumors, abscesses and thrombi. We present a representative CCMA case and highlight its typical appearance on magnetic resonance imaging.
October 14, 2016: International Journal of Cardiovascular Imaging
Marvin Louis Roy Lu, Shuchita Gupta, Abel Romero-Corral, Magdaléna Matejková, Toni De Venecia, Edinrin Obasare, Vikas Bhalla, Gregg S Pressman
BACKGROUND: Calcium deposits in the aortic valve and mitral annulus have been associated with cardiovascular events and mortality. However, there is no accepted standard method for scoring such cardiac calcifications, and most existing methods are simplistic. The aim of this study was to test the hypothesis that a semiquantitative score, one that accounts for all visible calcium on echocardiography, could predict all-cause mortality and stroke in a graded fashion. METHODS: This was a retrospective study of 443 unselected subjects derived from a general echocardiography database...
October 11, 2016: Journal of the American Society of Echocardiography
Pantelis A Sarafidis, Vasilios Kamperidis, Charalampos Loutradis, Konstantinos Tsilonis, Fani Mpoutsiouki, Athanasios Saratzis, Georgios Giannakoulas, Georgios Sianos, Haralambos Karvounis
BACKGROUND: The effect of acute preload reduction during haemodialysis on left ventricle (LV) and right ventricle (RV) function is not well understood. This study aimed to evaluate acute changes in novel echocardiographic and tissue Doppler-derived indices of LV and RV function during the first and a standard weekly dialysis session and to examine the possible effect of acute intradialytic volume changes in LV and RV diastolic function and pulmonary circulation loading. METHODS: Forty-one adult patients receiving standard thrice-weekly haemodialysis participated in this study...
October 13, 2016: Nephrology, Dialysis, Transplantation
A Ammar, K Mahmoud, A Elkersh, Z Kasemy
There is a strong association between pre-operative diastolic dysfunction and difficulty in weaning from cardiopulmonary bypass. We compared the effects of propofol and isoflurane on left ventricular diastolic function in patients with pre-existing diastolic dysfunction undergoing coronary artery bypass grafting. We randomly allocated 60 patients to receive either propofol or isoflurane anaesthesia, and assessed left ventricular diastolic function using transoesophageal echocardiography. We measured early (E), late (A) diastolic velocities, E/A ratio, A-wave duration and deceleration time using pulsed wave Doppler, and early (Em), late (Am) diastolic velocities of the mitral annulus, Em/Am ratio and isovolumetric relaxation time using tissue Doppler...
November 2016: Anaesthesia
Basant M Elnady, Ayman Saeed Mohamed Abdelghafar, El Shazly Abdul Khalik, Mohammed Mesfer Algethami, A S Basiony, Mona Dhaif Allah Al-Otaibi, Maram Eidhah Al-Otaibi
OBJECTIVE: Systemic lupus erythematosus (SLE) can present limitations to exercise capacity and quality of life (QoL) because of various clinical conditions, such as pulmonary disease or heart disease. Tissue Doppler echocardiography (TDE) offers the promise of an objective measurement to quantify regional and global ventricular function through the assessment of myocardial velocity data. This study aimed to assess the intensity of left ventricular (LV) and right ventricular (RV) systolic and diastolic dysfunction in SLE patients by means of TDE and cardiopulmonary exercise (CPX) testing to determine their impact on QoL...
September 2016: Eur J Rheumatol
Yan Yang, Li-Min Zhu, Jian-Zhong Xu, Xiao-Feng Tang, Ping-Jin Gao
Primary aldosteronism (PA) is the most common secondary cause of hypertension. The present study investigated differences in left ventricular structure and function between hypertensive patients with PA and sucjects with essential hypertension (EH). One hundred patients with PA and 100 controls with EH were matched for age, gender, and 24-h ambulatory monitoring blood pressure (BP). Left ventricular mass index (LVMI), left atrial volume index (LAVI) and ejection fraction were calculated. LV diastolic function was estimated as the ratio of the early diastolic velocities (E) from transmitral inflow to the early diastolic velocities (e') of tissue Doppler at mitral annulus...
October 13, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Kikuko Obase, Kiyoshi Yoshida
No abstract text is available yet for this article.
October 2016: Circulation. Cardiovascular Imaging
Shota Fukuda, Jae-Kwan Song, Keitaro Mahara, Hiroshi Kuwaki, Jeong Yoon Jang, Masaaki Takeuchi, Byung Joo Sun, Yun Jeong Kim, Tetsu Miyamoto, Yasushi Oginosawa, Shinjo Sonoda, Masataka Eto, Yosuke Nishimura, Shuichiro Takanashi, Robert A Levine, Yutaka Otsuji
BACKGROUND: Prominent mitral valve (MV) annular dilatation with only modest left ventricular (LV) dilatation in patients with MV prolapse (MVP) suggests predominant dilatation in adjacent basal LV, which may augment regional wall tension and attenuate contraction by Laplace's law. We hypothesized that MV annular dilatation in patients with MVP is associated with the basal predominance of LV dilatation and attenuated contraction, which can be altered by surgical MV plasty with annulus reduction...
October 2016: Circulation. Cardiovascular Imaging
J Spapen, G Rasschaert, I Buysschaert
No abstract text is available yet for this article.
2016: Acta Cardiologica
Ana R Godinho, João C Silva, Pedro B Almeida, Jorge Almeida, Maria J Maciel
No abstract text is available yet for this article.
October 24, 2016: JACC. Cardiovascular Interventions
J Ambrozic, K Prokselj, M Lucovnik
INTRODUCTION: The ability to judge intravascular volume is fundamental in the management of patients with severe preeclampsia. Insufficient intravascular volume can result in decreased oxygen delivery to tissues and exacerbates organ dysfunction. On the other hand, fluid excesses can lead to fluid extravasation and pulmonary edema. Outside of pregnancy, transthoracic echocardiography and lung ultrasonography have become important diagnostic and monitoring tools in critically ill patients...
August 2016: Journal of Maternal-fetal & Neonatal Medicine
Bettina Langhammer, Christoph Huber, Stephan Windecker, Thierry Carrel
Surgical techniques for the treatment of mitral valve disease (MVD) have continuously evolved; however, anatomical details like severe annular calcification remain challenging and require sophisticated surgical strategies. Among patients with symptomatic MVD referred for surgical valve repair or replacement, four presented with circumferential calcification of the mitral annulus precluding conventional surgical techniques. Successful treatment by implanting a balloon-expandable transcatheter aortic heart valve using an antegrade surgical access was performed...
September 27, 2016: European Journal of Cardio-thoracic Surgery
Yuki Ikeda, Takayuki Inomata, Teppei Fujita, Yuichiro Iida, Toyoji Kaida, Takeru Nabeta, Shunsuke Ishii, Emi Maekawa, Tomoyoshi Yanagisawa, Tomohiro Mizutani, Takashi Naruke, Toshimi Koitabashi, Ichiro Takeuchi, Junya Ako
We aimed to elucidate the relationship between glycated hemoglobin (HbA1c), cardiac systolic/diastolic function, and heart failure (HF) prognosis during guideline-directed medical therapy in patients with nonischemic dilated cardiomyopathy (NIDCM). We evaluated 283 hospitalized NIDCM patients, who were grouped according to baseline (BL) and 1-year (1Y) levels of HbA1c (<6.0, 6.0-6.9, and ≥7.0 %). The primary endpoint was defined as either readmission for HF worsening or cardiac death. Approximately half of the patients had BL- or 1Y-HbA1c ≥6...
September 26, 2016: Heart and Vessels
Q Y Wang, M N Yang, H Xu, Y Zhao, X Lin, X W Zhang, F Zhao, X Zhao, X Q Kou, F Bai, J Yu
Objective: To investigate whether tetrahydrobiopterin (BH4) could improve left ventricular diastolic function through phosphoinositide-3 kinase/protein kinase B (PI3K/Akt) signaling pathway in hypertensive mice. Methods: Ten-week-old male C57BL/6 mice were used to establish the deoxycorticosterone acetate (DOCA)-salt hypertensive model, age matched Sham mice serve as the controls. Mice were divided into four groups: Sham(n=20), Sham+ BH4 (n=20), DOCA (n=22), and DOCA+ BH4 (n=22). On the 14 days after surgery, mice in Sham+ BH4 and DOCA+ BH4 groups received BH4 (0...
September 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
Tomonobu Abe, Wataru Uchida, Yuji Narita, Akihiko Usui
No abstract text is available yet for this article.
August 30, 2016: Journal of Thoracic and Cardiovascular Surgery
J Li, F Wang, N Zhang, Q He, Y-J Sun, H-Y Wang, D-M Yin
OBJECTIVE: The aim of the study is to investigate the cardiac compensatory function change in senior people with Coronary Artery Disease (CAD) by Quantitive Dobutamine Stress Echocardiography (DSE) and Tissue Doppler Imaging (TDI). PATIENTS AND METHODS: All of the 98 senior people (age >60) who were suspected to have CAD received the examination of DSE and TDI. The mean systolic peak velocity (Sa), early diastolic peak velocity (Ea) and late diastolic peak velocity (Aa) of mitral annulus were measured in a different dose of dobutamine stress...
September 2016: European Review for Medical and Pharmacological Sciences
Tomoaki Inoue, Yasutaka Maeda, Noriyuki Sonoda, Shuji Sasaki, Teppei Kabemura, Kunihisa Kobayashi, Toyoshi Inoguchi
OBJECTIVE: Although diabetes mellitus is associated with an increased risk of heart failure with preserved ejection fraction, the underlying mechanisms leading to left ventricular diastolic dysfunction (LVDD) remain poorly understood. The study was designed to assess the risk factors for LVDD in patients with type 2 diabetes mellitus. RESEARCH DESIGN AND METHODS: The study cohort included 101 asymptomatic patients with type 2 diabetes mellitus without overt heart disease...
2016: BMJ Open Diabetes Research & Care
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