Results 51 to 60 of about 6,306,409 (152)

A novel transcatheter tricuspid annuloplasty for severe tricuspid valve regurgitation via the K-clip™ system: early experience in China

Frontiers in Cardiovascular Medicine
BackgroundPatients who suffer from severe tricuspid regurgitation (TR) do not undergo standard care therapy because of the high surgical risk. As a result, safer and less invasive techniques are being sought after internationally.
Rongfeng Xu, Lijuan Chen, Xiaoli Zhang, Xiuxia Ding, Zhen Wang, Qitong Lu, Xiaoguo Zhang, Jiandong Ding, Genshan Ma   +8 more
doaj   +1 more source

The characteristics of mitral regurgitation: Data from patients admitted following acute myocardial infarction

Data in Brief, 2021
Data were collected on patients admitted to the Queen Elizabeth Hospital Birmingham with type-1 myocardial infarction during 2016 and 2017 inclusively, who were treated by percutaneous intervention and had pre-discharge transthoracic echocardiography ...
Harish Sharma, Ashwin Radhakrishnan, Peter Nightingale, Samuel Brown, John May, Kieran O'Connor, Iqra Shakeel, Nawal Zia, Sagar N. Doshi, Jonathan N. Townend, Saul G. Myerson, Paulus Kirchhof, Peter F. Ludman, M. Adnan Nadir, Richard P. Steeds   +14 more
doaj   +1 more source

Effects of changing blood viscosity and heart rate on vena contracta width as evaluated by color Doppler flow mapping. An in vitro study with a pulsatile flow model

, 2008
Background: There is only limited knowledge on how the quantification of valvular regurgitation by color Doppler is affected by changing blood viscosity.
GALLO- JR., Lourenco, Antônio Pazin‐Filho, SILVA JR., Telemaco da, MACIEL, Benedito Carlos, André Schmidt, MARIN-NETO, Jose Antonio, José Antonio Marin‐Neto, ALMEIDA-FILHO, Oswaldo Cesar, Luiz Otávio Murta Júnior, Oswaldo César Almeida‐Filho, Lourenço Gallo‐Júnior, PAZIN-FILHO, Antonio, Telêmaco Da Silva Júnior, Benedito Carlos Maciel, SCHMIDT, Andre, MURTA JR., Luiz Otavio   +15 more
core   +1 more source

Os critérios para classificação da insuficiência mitral não foram adequados na cardiomiopatia dilatada

Arquivos Brasileiros de Cardiologia, 2013
FUNDAMENTO: A insuficiência mitral (IM) é frequente nos pacientes com cardiomiopatia dilatada. Não se sabe se os critérios para classificação da IM são adequados para pacientes com cardiomiopatia dilatada OBJETIVO: Avaliar a concordância entre os quatro ...
Frederico José Neves Mancuso, Valdir Ambrosio Moisés, Dirceu Rodrigues Almeida, Wercules Antonio Oliveira, Dalva Poyares, Flavio Souza Brito, Angelo Amato Vincenzo de Paola, Antonio Carlos Camargo Carvalho, Orlando Campos   +8 more
doaj   +1 more source

The role of cardiopulmonary bypass in the management of retrohepatic vena cava injury - A case report and review of the literature [PDF]

, 2014
Injuries to the retrohepatic vena cava are extremely rare and are associated with an operative mortality of up to 50% even in high volume trauma centres.
Wilson, Colin H., Manas, Derek M., Robinson, Stuart M., Clark, Stephen   +3 more
core   +1 more source

Comparative analysis of MitraClip/TriClip and PASCAL in transcatheter tricuspid valve repair for tricuspid regurgitation: a systematic review and meta-analysis

BMC Cardiovascular Disorders
Background The edge-to-edge transcatheter tricuspid valve repair (TTVR) has emerged as a promising technique for the treatment of tricuspid regurgitation (TR).
Mahmoud Balata, Mohamed Ibrahim Gbreel, Marwa Hassan, Marc Ulrich Becher   +3 more
doaj   +1 more source

Three-dimensional reconstruction of the color Doppler-imaged vena contracta for quantifying aortic regurgitation: studies in a chronic animal model

, 1999
BACKGROUND: The purpose of this study was to investigate the use of 3-dimensional (3D) reconstruction of color Doppler flow maps to image and extract the vena contracta cross-sectional area to determine the severity of aortic regurgitation (AR) in an ...
Mori, Y., Jones, M., Wanitkun, S., Delabays, A., Li, X., Sahn, D. J., Irvine, T., Shiota, T., Pandian, N. G.   +8 more
core   +1 more source

Pressure losses at the transition from radial flow within fractures to longitudinal flow within production wells [PDF]

, 1980
Improved energy production from many types of energy reservoirs requires a better understanding of the fluid mechanics in the vicinity of the fracture-wellbore intersection.
Murphy, H., Pearce, R.
core   +1 more source

Intraoperative Transesophageal Echocardiography Quantification of Mitral Regurgitation by Regurgitation Volume and Fraction Using 2D and 3D Techniques

Annals of Cardiac Anaesthesia
Background and Aims: Intraoperative quantification of mitral regurgitation (MR) is sometimes necessary to quantify the severity of incidentally detected MR during cardiac surgeries.
Devika Poduval, Reshmi L. Jose, Thushara Madathil, P Nagarjuna, Niveditha Kartha, Praveen Varma, Praveen Kumar Neema   +6 more
doaj   +1 more source

Impact of Left Atrial Volume on Clinical Outcome in severe rheumatic Mitral Regurgitation. [PDF]

Minia Journal of Medical Research
Introduction: left atrial volume is now considered superior to left atrial diameter and larger left atrial volume associated with increased incidence of cardiac events including.
Mohamed Abdelkader Abdelwahab, Amr Abdelhafez Setouhi, Mina Adly, Sayed Shehata Mahmoud   +3 more
doaj   +1 more source