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https://www.readbyqxmd.com/read/27894326/preserved-autoregulation-of-coronary-flow-after-off-pump-coronary-artery-bypass-grafting-retrospective-assessment-of-intraoperative-transit-time-flowmetry-with-and-without-intra-aortic-balloon-counterpulsation
#1
Hiroyuki Nakajima, Atsushi Iguchi, Mimiko Tabata, Masaru Kambe, Masahiro Ikeda, Kazuhiko Uwabe, Toshihisa Asakura, Hiroshi Niinami
BACKGROUND: Intra-aortic balloon pumping (IABP) markedly increases graft flow after coronary artery bypass grafting (CABG) with cardiopulmonary bypass. We sought to delineate the effects of IABP on graft flow after off-pump CABG (OPCAB). METHODS: The clinical records of 32 patients (25 male, 7 female; mean age: 70 ± 9 years) who underwent OPCAB with IABP between January 2011 and May 2015 were retrospectively reviewed. Thirteen patients (41%) had a history of myocardial infarction, and 13 patients (41%) had a history of percutaneous coronary intervention...
November 28, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27865117/catalytic-iron-in-acute-myocardial-infarction-complicated-by-cardiogenic-shock-a-biomarker-substudy-of-the-iabp-shock-ii-trial
#2
Georg Fuernau, Florian Traeder, Suhas S Lele, Mohan M Rajapurkar, Banibrata Mukhopadhyay, Suzanne de Waha, Steffen Desch, Ingo Eitel, Gerhard Schuler, Volker Adams, Holger Thiele
BACKGROUND: Catalytic iron (CI) is unbound ferric iron with the potential to generate reactive oxygen species with further deleterious vascular effects. In acute coronary syndromes, high levels of CI are linked to all-cause mortality. The prognostic impact of CI and iron metabolism in cardiogenic shock (CS) is currently undetermined. Aims of this study were to investigate the prognostic impact of CI and to identify predictors of high CI levels in patients with CS complicating acute myocardial infarction...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27864477/is-visceral-flow-during-intra-aortic-balloon-pumping-size-or-volume-dependent
#3
Sandro Gelsomino, Pieter W J Lozekoot, Monique M J de Jong, Fabiana Lucà, Orlando Parise, Francesco Matteucci, Mario Romano, Abdullrazak Hossien, Mark La Meir, Niccolò Marchionni, Jos G Maessen, Roberto Lorusso
AIM: We evaluated the influence of intra-aortic balloon size and volume on mesenteric and renal flows. METHODS: Thirty healthy swine underwent 120-minute ligation of the left anterior descending coronary artery followed by 6 hours of reperfusion. Then, they were randomly assigned to the following five groups of animals, with six animals in each group: no intra-aortic balloon pump (IABP), a short 35-mL IABP, a short 40-mL IABP, a long 35-mL IABP and a long 40-mL IABP...
November 17, 2016: Perfusion
https://www.readbyqxmd.com/read/27861423/influence-of-iabp-induced-abdominal-occlusions-on-aortic-hemodynamics-a-patient-specific-computational-evaluation
#4
Maria Vittoria Caruso, Attilio Renzuli, Gionata Fragomeni
Intra-aortic balloon pump (IABP) is used as temporary mechanical assistance in case of cardiovascular diseases, even if different hemodynamic problems and, so, clinical complications may happen, such as the decrease of visceral perfusion. A computational fluid dynamic (CFD) study was carried out in order to investigate the effects of different IABP-induced abdominal occlusions on patient-specific aortic flow. Two possible sizes (25 cm3 and 34 cm3) and two locations (2 cm and 3 cm) of the balloon were compared, modelling four abdominal occlusions and numerically reproducing IAB inflation/deflation behaviour...
November 16, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27831998/hemodynamic-performance-of-a-novel-right-ventricular-assist-device-perkat%C3%A2
#5
Daniel Kretzschmar, P Christian Schulze, Markus W Ferrari
Acute right ventricular failure (RVF) is an increasingly clinical problem and a life-threatening condition. Right ventricular assist devices (RVADs) represent a reasonable treatment option for patients with refractory RVF. We here present a novel percutaneously implantable device for RV 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 IABP drive unit which inflates/deflates a standard IABP balloon placed within in the stent cage...
November 9, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27821152/a-20-year-multicentre-outcome-analysis-of-salvage-mechanical-circulatory-support-for-refractory-cardiogenic-shock-after-cardiac-surgery
#6
Maziar Khorsandi, Scott Dougherty, Andrew Sinclair, Keith Buchan, Fiona MacLennan, Omar Bouamra, Philip Curry, Vipin Zamvar, Geoffrey Berg, Nawwar Al-Attar
BACKGROUND: Refractory post-cardiotomy cardiogenic shock (PCCS) is a relatively rare phenomenon that can lead to rapid multi-organ dysfunction syndrome and is almost invariably fatal without advanced mechanical circulatory support (AMCS), namely extra-corporeal membrane oxygenation (ECMO) or ventricular assist devices (VAD). In this multicentre observational study we retrospectively analyzed the outcomes of salvage venoarterial ECMO (VA ECMO) and VAD for refractory PCCS in the 3 adult cardiothoracic surgery centres in Scotland over a 20-year period...
November 8, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27815409/a-new-beating-heart-mitral-and-aortic-valve-assessment-model-with-implications-for-valve-intervention-training
#7
Wobbe Bouma, Jayant S Jainandunsing, Arash Khamooshian, Pim van der Harst, Massimo A Mariani, Ehsan Natour
OBJECTIVES: A thorough understanding of mitral and aortic valve motion dynamics is essential in mastering the skills necessary for performing successful valve intervention (open or transcatheter repair or replacement). We describe a reproducible and versatile beating-heart mitral and aortic valve assessment and valve intervention training model in human cadavers. METHODS: The model is constructed by bilateral ligation of the pulmonary veins, ligation of the supra-aortic arteries, creating a shunt between the descending thoracic aorta and the left atrial appendage with a vascular prosthesis, anastomizing a vascular prosthesis to the apex and positioning an intra-aortic balloon pump (IABP) in the vascular prosthesis, cross-clamping the descending thoracic aorta, and finally placing a fluid line in the shunt prosthesis...
November 3, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27810347/impella-cp-versus-intra-aortic-balloon-pump-in-acute-myocardial-infarction-complicated-by-cardiogenic-shock-the-impress-trial
#8
Dagmar M Ouweneel, Erlend Eriksen, Krischan D Sjauw, Ivo M van Dongen, Alexander Hirsch, Erik J S Packer, M Marije Vis, Joanna J Wykrzykowska, Karel T Koch, Jan Baan, Robbert J de Winter, Jan J Piek, Wim K Lagrand, Bas A J M de Mol, Jan G P Tijssen, José P S Henriques
BACKGROUND: Despite advances in treatment, mortality in acute myocardial infarction complicated by cardiogenic shock remains high. Short-term mechanical circulatory support devices acutely improve hemodynamic conditions. The Impella CP is a new percutaneous circulatory support device that provides more hemodynamic support than the intra-aortic balloon pump (IABP). OBJECTIVES: The aim of this study was to determine whether the Impella CP can decrease 30-day mortality when compared with IABP in patients with severe shock complicating acute myocardial infarction...
October 27, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27760636/-safety-and-efficacy-of-off-pump-coronary-artery-bypass-grafting-in-octogenarians
#9
T S Liu, B T Chen, R Dong, Y Li, Y Zhao, K Hua
Objective: To discuss the clinical safety and efficacy about off-pump coronary artery bypass grafting (OPCABG) in octogenarians. Methods: From June 2005 to July 2014, 252 patients (male 208, female 44, with a mean age of 81.7 years old) underwent OPCABG in Beijing Anzhen Hospital who were aged 80 years or older were enrolled. Results: Eight (3.2%) patients were diagnosed as single vessel coronary artery disease (CAD), 29 cases (11.5%) were diagnosed as bifurcation vessel CAD, and 215 cases (85.3%) were multivessel CAD...
September 27, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27757403/management-of-intra-aortic-balloon-pump-rupture-and-entrapment
#10
Madhu Bhamidipaty, Barend Mees, Timothy Wagner
While the intra-aortic balloon pump (IABP) itself has many useful and life-saving indications, it has a high complication rate, up to 30% in some studies. This report discusses the surgical removal and subsequent vascular repair in a patient with a ruptured and subsequently entrapped IABP and reviews the literature on the presentation and management of this rare but major complication.
April 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/27736197/spinal-cord-infarction-post-cardiac-arrest-in-stemi-a-potential-complication-of-intra-aortic-balloon-pump-use
#11
Matthew Harris, Grigoris V Karamasis, Shayna Chotai, Kare H Tang, Gerald J Clesham, Paul A Kelly
Intra-aortic balloon pump (IABP) is commonly used as a cardiac assist device in various clinical situations: cardiogenic shock, mechanical complications of acute myocardial infarction, high risk percutaneous coronary interventions, coronary artery bypass graft surgery and refractory unstable angina and ventricular arrhythmias as bridge to therapy. Although current data support its safety, there is limited or no support for its efficacy. We present the case of spinal cord infarction after IABP use in a patient who presented with ST elevation myocardial infarction and cardiac arrest and we discuss the potential mechanism of such a devastating complication...
October 13, 2016: Acute Cardiac Care
https://www.readbyqxmd.com/read/27667276/-the-effect-and-factors-associated-with-outcome-of-extracorporeal-membrane-oxygenation-in-refractory-cardiogenic-shock-patients
#12
R Q Zhu, C Z Liu, J H Lu, Y P Su, S C Wen, G J Nie, Y Z Hu, L E Zuo
Objective: To observe the clinical efficacy and factors associated with outcome of extracorporeal membrane oxygenation (ECMO) in refractory cardiogenic shock patients. Methods: Patients with refractory cardiogenic shock received ECMO treatment in our hospital from May 2013 to November 2015 were retrospectively analyzed. The clinical status before ECMO support, ECMO timing, complications and outcome were observed and analyzed.The hemodynamic data and the amount of vasoactive drugs at 2 hours before ECMO support and at 2, 6, 24 and 48 hours after ECMO support were collected and compared...
September 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27665857/atrial-fibrillation-following-off-pump-versus-on-pump-coronary-artery-bypass-grafting-incidence-and-risk-factors
#13
Łukasz Lewicki, Janusz Siebert, Jan Rogowski
BACKGROUND: Postoperative atrial fibrillation (AF) is a common arrhythmia that occurs after coronary artery bypass grafting (CABG). New surgical techniques, particularly off-pump coronary artery bypass (OPCAB), are thought to be less invasive and results in fewer complications, i.e. AF, but available data are inconsistent. The aim of this study is to present the incidence and risk factors of AF in patients operated on with or without cardiopulmonary bypass. METHODS: We studied 1836 consecutive patients with stable coronary artery disease who were operated on with (CABG) or without (OPCAB) cardiopulmonary bypass...
September 26, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27660572/percutaneous-ventricular-assist-devices-a-novel-approach-in-the-management-of-patients-with-acute-cardiogenic-shock
#14
REVIEW
Kevin Ergle, Parham Parto, Selim R Krim
BACKGROUND: Despite recent advances in the management of heart failure, cardiogenic shock remains a challenging and devastating condition with significant morbidity and mortality. METHODS: We review currently available percutaneous mechanical circulatory support (MCS) devices and address each device's characteristics, mechanism of action, specific clinical indications, and contraindications. RESULTS: Four types of percutaneous MCS devices are currently available: the intraaortic balloon pump (IABP), Impella devices, the TandemHeart, and extracorporal membrane oxygenation (ECMO)...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27660567/using-the-minimally-invasive-impella-5-0-via-the-right-subclavian-artery-cutdown-for-acute-on-chronic-decompensated-heart-failure-as-a-bridge-to-decision
#15
Aditya Bansal, Jay K Bhama, Rajan Patel, Sapna Desai, Stacy A Mandras, Hamang Patel, Tyrone Collins, John P Reilly, Hector O Ventura, P Eugene Parrino
BACKGROUND: Outcomes of traditional mechanical support paradigms (extracorporeal membrane oxygenation, intraaortic balloon pump [IABP], and permanent left ventricular assist device [LVAD]) in acute decompensated heart failure have generally been suboptimal. Novel approaches, such as minimally invasive LVAD therapy (Impella 5.0 device), promise less invasive but equivalent hemodynamic support. However, it is yet unknown whether the outcomes with such devices support widespread acceptance of this new technology...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27650459/impact-of-intra-aortic-balloon-pump-on-short-term-clinical-outcomes-in-st-elevation-myocardial-infarction-complicated-by-cardiogenic-shock-a-real-life-single-center-experience
#16
R de la Espriella-Juan, A Valls-Serral, B Trejo-Velasco, A Berenguer-Jofresa, Ó Fabregat-Andrés, D Perdomo-Londoño, C Albiach-Montañana, J V Vilar-Herrero, D Sanmiguel-Cervera, E Rumiz-Gonzalez, S Morell-Cabedo
OBJECTIVE: To analyze the use and impact of the intra-aortic balloon pump (IABP) upon the 30-day mortality rate and short-term clinical outcome of non-selected patients with ST-elevation acute myocardial infarction (acute STEMI) complicated by cardiogenic shock (CS). DESIGN: A single-center retrospective case-control study was carried out. SETTING: Coronary Care Unit. PATIENTS: Data were collected from 825 consecutive patients with acute STEMI admitted to a Coronary Care Unit from January 2009 to August 2015...
September 17, 2016: Medicina Intensiva
https://www.readbyqxmd.com/read/27647331/extracorporeal-life-support-during-cardiac-arrest-and-cardiogenic-shock-a-systematic-review-and-meta-analysis
#17
REVIEW
Dagmar M Ouweneel, Jasper V Schotborgh, Jacqueline Limpens, Krischan D Sjauw, A E Engström, Wim K Lagrand, Thomas G V Cherpanath, Antoine H G Driessen, Bas A J M de Mol, José P S Henriques
PURPOSE: Veno-arterial extracorporeal life support (ECLS) is increasingly used in patients during cardiac arrest and cardiogenic shock, to support both cardiac and pulmonary function. We performed a systematic review and meta-analysis of cohort studies comparing mortality in patients treated with and without ECLS support in the setting of refractory cardiac arrest and cardiogenic shock complicating acute myocardial infarction. METHODS: We systematically searched MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials and the publisher subset of PubMed updated to December 2015...
December 2016: Intensive Care Medicine
https://www.readbyqxmd.com/read/27583039/the-effects-of-levosimendan-and-sodium-nitroprusside-combination-on-left-ventricular-functions-after-surgical-ventricular-reconstruction-in-coronary-artery-bypass-grafting-patients
#18
Zeki Temizturk, Davut Azboy, Atakan Atalay, Hakan Atalay, Omer Faruk Dogan
OBJECTIVE: The aim of our study was to research the effects of levosimendan (LS) and sodium nitroprusside (SNP) combination on systolic and diastolic ventricular function after coronary artery bypass grafting (CABG) who required endoventricular patch repair (EVPR). PATIENTS AND METHODS: We studied 70 patients with ischemic dilated cardiomyopathy. LS and SNP combination was administered in 35 patients (study group, SG). In the remaining patients, normal saline solution was given (placebo group, PG)...
2016: Open Cardiovascular Medicine Journal
https://www.readbyqxmd.com/read/27550213/elective-or-emergency-use-of-mechanical-circulatory-support-devices-during-transcatheter-aortic-valve-replacement
#19
Vikas Singh, Abdulla A Damluji, Rodrigo Mendirichaga, Carlos E Alfonso, Claudia A Martinez, Donald Williams, Alan W Heldman, Eduardo J de Marchena, William W O'Neill, Mauricio G Cohen
OBJECTIVE: Evaluate the use of mechanical circulatory support (MCS) devices in high-risk patients undergoing transcatheter aortic valve replacement (TAVR). BACKGROUND: The use of MCS devices in elderly patients with multiple comorbidities undergoing TAVR is underexplored. METHODS: All patients undergoing TAVR at a single tertiary academic center who required MCS during index procedure between 2008 and 2015 were included in a prospective database...
October 2016: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/27530943/-efficacy-of-intra-aortic-balloon-counterpulsation-in-patients-with-acute-myocardial-infarction-according-to-the-type-of-revascularization-a-meta-analysis
#20
Z W Gao, Y Z Huang, H M Zhao, H Sun
OBJECTIVE: To evaluate the effects of intra-aortic balloon counterpulsation (IABP) on mortality in patients with acute myocardial infarction according to the type of revascularization. METHODS: Recruited randomized controlled trials of IABP compared with no-IABP controls in acute myocardial infarction patients from January 1970 to May 2015 were searched from Medline, Embase and Cochrane Library, according to inclusion criteria and exclusion criteria. These data were analyzed using the methods recommended by the Cochrane Collaboration's software RevMan 5...
July 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
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