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128 papers 100 to 500 followers
Takahiro Tamura
No abstract text is available yet for this article.
June 2017: Annals of Thoracic Surgery
Daniel Kretzschmar, P Christian Schulze, Markus W Ferrari
Acute right ventricular failure (RVF) is an increasing clinical problem and a life-threatening condition. Right ventricular assist devices represent a reasonable treatment option for patients with refractory RVF. We here present a novel percutaneously implantable device for right ventricular support. The PERKAT device is based on a nitinol stent cage, which is covered with valve-carrying foils. A flexible outlet trunk with a pigtail tip is connected to the distal part. The device is driven by an intra-aortic balloon pump (IABP) drive unit, which inflates/deflates a standard IABP-balloon placed within the stent cage...
March 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Farhan Farooqui, Mark A Chaney, Chryssoula Staikou, Sheela Pai Cole
No abstract text is available yet for this article.
October 2016: Journal of Cardiothoracic and Vascular Anesthesia
Kei Togashi, Joshua L Hermsen, Denise C Joffe
No abstract text is available yet for this article.
May 2017: Anesthesia and Analgesia
D A Scott, M J Denton
A persistent neurological deficit, such as paraplegia or paraparesis, secondary to spinal cord injury remains one of the most feared complications of surgery on the descending thoracic or abdominal aorta. This is despite sophisticated advances in imaging and the use of less invasive endovascular procedures. Extensive fenestrated endovascular aortic graft prostheses still carry a risk of spinal cord injury of up to 10%; thus, this risk should be identified and strategies implemented to protect the spinal cord and maintain perfusion...
September 2016: British Journal of Anaesthesia
Emmanuel Moss, Michael E Halkos, Jose N Binongo, Douglas A Murphy
BACKGROUND: Unilateral pulmonary edema (UPE) has been reported after mitral operations performed through the right side of the chest. The clinical presentation is compatible with an ischemia-reperfusion injury. This report describes modifications to robotic mitral valve operations that were designed to reduce UPE. METHODS: We reviewed 15 patients with UPE after robotic mitral valve operations from 2006 through 2012. Technique modifications to reduce right lung ischemia were used from 2013 through June 2015...
January 2017: Annals of Thoracic Surgery
Amit Bardia, Rabya Saraf, Andrew Maslow, Kamal Khabbaz, Feroze Mahmood
No abstract text is available yet for this article.
September 2016: Anesthesia and Analgesia
Inez J Wijdh-den Hamer, Wobbe Bouma, Eric K Lai, Melissa M Levack, Eric K Shang, Alison M Pouch, Thomas J Eperjesi, Theodore J Plappert, Paul A Yushkevich, Judy Hung, Massimo A Mariani, Kamal R Khabbaz, Thomas G Gleason, Feroze Mahmood, Michael A Acker, Y Joseph Woo, Albert T Cheung, Matthew J Gillespie, Benjamin M Jackson, Joseph H Gorman, Robert C Gorman
OBJECTIVES: Repair for ischemic mitral regurgitation with undersized annuloplasty is characterized by high recurrence rates. We sought to determine the value of pre-repair 3-dimensional echocardiography over 2-dimensional echocardiography in predicting recurrence at 6 months. METHODS: Intraoperative transesophageal 2-dimensional echocardiography and 3-dimensional echocardiography were performed in 50 patients undergoing undersized annuloplasty for ischemic mitral regurgitation...
September 2016: Journal of Thoracic and Cardiovascular Surgery
Jennifer Cowger
No abstract text is available yet for this article.
August 2016: Journal of Heart and Lung Transplantation
Robert L Sheridan
No abstract text is available yet for this article.
August 4, 2016: New England Journal of Medicine
Matthew Lumley, Rupert Williams, Kaleab N Asrress, Satpal Arri, Natalia Briceno, Howard Ellis, Ronak Rajani, Maria Siebes, Jan J Piek, Brian Clapp, Simon R Redwood, Michael S Marber, John B Chambers, Divaka Perera
BACKGROUND: Severe aortic stenosis (AS) can manifest as exertional angina even in the presence of unobstructed coronary arteries. OBJECTIVES: The authors describe coronary physiological changes during exercise and hyperemia in the healthy heart and in patients with severe AS. METHODS: Simultaneous intracoronary pressure and flow velocity recordings were made in unobstructed coronary arteries of 22 patients with severe AS (mean effective orifice area 0...
August 16, 2016: Journal of the American College of Cardiology
Megan Y Harada, David M Hoang, Andrea A Zaw, Jason S Murry, Oksana Volod, Beatrice J Sun, Miriam Nuño, Russell Mason, Daniel R Margulies, Eric J Ley
OBJECTIVE: Recent studies reveal a high occurrence of overdiagnosis of heparin-induced thrombocytopenia in surgical patients with critical illness. The optimal criteria for diagnosis of heparin-induced thrombocytopenia remain unclear, contributing to unnecessary treatment. We reviewed patients who were admitted to surgical ICUs and were suspected of heparin-induced thrombocytopenia to identify how often patients were correctly treated. DESIGN: In this clinical prospective study, data were collected including age, sex, antiplatelet factor 4/heparin enzyme-linked immunosorbent assay, serotonin release assay, and Warkentin 4Ts scores...
January 2017: Critical Care Medicine
Jean-Louis Vincent, Greg S Martin, Mitchell M Levy
No abstract text is available yet for this article.
July 17, 2016: Critical Care: the Official Journal of the Critical Care Forum
Alison M Pouch, Benjamin M Jackson, Eric Lai, Manabu Takebe, Sijie Tian, Albert T Cheung, Y Joseph Woo, Prakash A Patel, Hongzhi Wang, Paul A Yushkevich, Robert C Gorman, Joseph H Gorman
BACKGROUND: Degenerative mitral valve disease is associated with variable and complex defects in valve morphology. Three-dimensional echocardiography (3DE) has shown promise in aiding preoperative planning for patients with this disease but to date has not been as transformative as initially predicted. The clinical usefulness of 3DE has been limited by the laborious methods currently required to extract quantitative data from the images. METHODS: To maximize the utility of 3DE for preoperative valve evaluation, this work describes an automated 3DE image analysis method for generating models of the mitral valve that are well suited for both qualitative and quantitative assessment...
September 2016: Annals of Thoracic Surgery
Adriana Dm Villa, Eva Sammut, Arjun Nair, Ronak Rajani, Rodolfo Bonamini, Amedeo Chiribiri
The aim of this review is to give a comprehensive and concise overview of coronary embryology and normal coronary anatomy, describe common variants of normal and summarize typical patterns of anomalous coronary artery anatomy. Extensive iconography supports the text, with particular attention to images obtained in vivo using non-invasive imaging. We have divided this article into three groups, according to their frequency in the general population: Normal, normal variant and anomaly. Although congenital coronary artery anomalies are relatively uncommon, they are the second most common cause of sudden cardiac death among young athletes and therefore warrant detailed review...
June 28, 2016: World Journal of Radiology
Veli-Pekka Harjola, Johan Lassus, Alessandro Sionis, Lars Køber, Tuukka Tarvasmäki, Jindrich Spinar, John Parissis, Marek Banaszewski, Jose Silva-Cardoso, Valentina Carubelli, Salvatore Di Somma, Heli Tolppanen, Uwe Zeymer, Holger Thiele, Markku S Nieminen, Alexandre Mebazaa
AIMS: The aim of this study was to investigate the clinical picture and outcome of cardiogenic shock and to develop a risk prediction score for short-term mortality. METHODS AND RESULTS: The CardShock study was a multicentre, prospective, observational study conducted between 2010 and 2012. Patients with either acute coronary syndrome (ACS) or non-ACS aetiologies were enrolled within 6 h from detection of cardiogenic shock defined as severe hypotension with clinical signs of hypoperfusion and/or serum lactate >2 mmol/L despite fluid resuscitation (n = 219, mean age 67, 74% men)...
May 2015: European Journal of Heart Failure
Jonathan Grinstein, Eric Kruse, Gabriel Sayer, Savitri Fedson, Gene H Kim, Nitasha Sarswat, Sirtaz Adatya, Takeyoshi Ota, Valluvan Jeevanandam, Victor Mor-Avi, Roberto M Lang, Nir Uriel
BACKGROUND: The aim of this study was to evaluate the prognostic performance of novel echocardiographic (transthoracic echocardiography, or TTE) parameters for grading aortic insufficiency (AI) severity in patients with continuous-flow left ventricular assist devices (CF-LVADs). The development of AI after CF-LVAD implantation is common, although the clinical significance remains unclear. We previously described novel TTE parameters that outperformed traditional TTE parameters in grading AI severity in these patients...
August 2016: Journal of Heart and Lung Transplantation
Diana M Laura, Robert Donnino, Eugene E Kim, Ricardo Benenstein, Robin S Freedberg, Muhamed Saric
Lipomatous atrial septal hypertrophy (LASH) is a histologically benign cardiac lesion characterized by excessive fat deposition in the region of the interatrial septum that spares the fossa ovalis. The etiology of LASH remains unclear, though it may be associated with advanced age and obesity. Because of the sparing of the fossa ovalis, LASH has a pathognomonic dumbbell shape. LASH may be mistaken for various tumors of the interatrial septum. Histologically, LASH is composed of both mature and brown (fetal) adipose tissue, but the role of brown adipose tissue remains unclear...
August 2016: Journal of the American Society of Echocardiography
Elmi Messai, Abdesselam Bouguerra, Fabio Guarracino, Massimo Bonacchi
PURPOSE: Venovenous extracorporeal membrane oxygenation (VV-ECMO) is a therapeutic option in the management of the most severe forms of acute respiratory distress syndrome. Oxygenation during VV-ECMO depends on many parameters, and its management is complex. The management of ECMO is still not completely codified. The aim of this study was to rationalize the management of hypoxemia during VV-ECMO. METHODS: To build a comprehensive flow diagram for management of hypoxemia during VV-ECMO, we considered (1) relationship between O2 arterial saturation and its determinants; (2) analysis of physiopathology of oxygenation under VV-ECMO; and (3) main guidelines and recommendations recapitulated in troubleshooting charts...
September 2016: Journal of Intensive Care Medicine
Mile Stanojcic, Celeste C Finnerty, Marc G Jeschke
PURPOSE OF REVIEW: A complex network of hormones and other effectors characterize the hypermetabolic response in critical illness; these mediators work together to induce numerous pathophysiologic alterations. Increased incidence of infection, multiorgan failure, long-term debilitation, delays in rehabilitation, and death result from an inability to meet the prohibitively elevated protein and energy requirements, which occur during illness and can persist for several years. Pharmacologic interventions have been successfully utilized to attenuate particular aspects of the hypermetabolic response; these modalities are a component of managing critically ill patients - including those patients with severe burns...
August 2016: Current Opinion in Critical Care
2016-06-10 13:16:44
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