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Perfusion

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https://www.readbyqxmd.com/read/28925857/comparison-of-stored-red-blood-cell-washing-techniques-for-priming-extracorporeal-circuits
#1
Jun Sasaki, Christopher Tirotta, Hyunsoo Lim, Kathleen Kubes, Jane Salvaggio, Robert Hannan, Redmond Burke, Jorge Ojito
BACKGROUND: The aim of this study was to compare three different blood washing techniques and describe the differences for the composition of the washed red blood cells (RBC). METHODS: Stored RBCs less than 5 days old were washed using three different techniques. 1) Washing with normal saline with the COBE Model 2991 blood processor in the blood bank (BB-S). 2) Washing with normal saline with the Continuous AutoTransfusion System (C.A.T.S) in the operating room (OR-S)...
September 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28872410/epoprostenol-for-the-treatment-of-increasing-oxygenator-pressure-drop-during-cardiopulmonary-bypass-a-case-report
#2
Anders Karl Hjärpe, Björn Reinsfelt
A change of oxygenator during cardiopulmonary bypass is a technically high-risk procedure with potential for a serious adverse event for the patient. This case report describes a case of increased pressure drop and pre-oxygenator blood pressure during cardiopulmonary bypass successfully treated with pre-oxygenator-administered epoprostenol.
September 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28870135/validation-of-an-assessment-tool-for-pre-operative-evar-planning
#3
Nikola Fatic, Pasha Normahani, Dejan Mars, Nigel J Standfield, Usman Jaffer
INTRODUCTION: Current methods of teaching endovascular aortic aneurysm repair (EVAR) planning involve non-criteria-based observations that lack validity. The primary aim of this study was to validate an EVAR Planning Objective Structured Assessment of Skill (EpOSAS) tool for the assessment of pre-operative EVAR planning skills. METHODS: Content analysis was performed in order to inform the formulation of EpOSAS domains. Thirty-five participants planned two cases of infra-renal abdominal aortic aneurysm for EVAR, using the OsiriX 7 platform...
September 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28870116/beta-thalassemia-in-the-paediatric-cardiac-surgery-setting-a-case-report-and-literature-review
#4
Rebecca Richardson, Richard Issitt, Richard Crook
Beta (β)-thalassemia is a blood disorder with an incidence of 1 in 100,000.(1) This case report outlines a patient with β-thalassemia requiring cardiopulmonary bypass (CPB) and the measures taken to ensure an uneventful procedure.
September 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28856989/from-vulnerable-plaque-to-blood-healthy-therapy
#5
Sun Yuhua, Wang Baoping
Cardiovascular atherosclerotic disease is the leading cause of death in China and in Western nations. People with plaque or stenosis in the coronary artery or the carotid artery are the most susceptible population to suffer from acute events. Current investigations showed that plaque with the characteristics of intra-plaque hemorrhage or a thin cap with a large lipid core was causally associated with vulnerable plaque and plaque rupture. Of the many plaque ruptures occurring in patients with atherosclerotic disease, very few will trigger symptomatic events, rendering it exceedingly difficult to predict adverse outcomes...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28856967/comparative-evaluation-of-blood-salvage-techniques-in-patients-undergoing-cardiac-surgery-with-cardiopulmonary-bypass
#6
Serdar Gunaydin, Craig Robertson, Ali Baran Budak, Terence Gourlay
BACKGROUND: The primary objective of this study was to test and compare the efficacy of currently available intraoperative blood salvage systems via a demonstration of the level of increase in percentage concentration of red blood cells (RBC), white blood cells 9WBC) and platelets (Plt) in the end product. METHODS: In a prospective, randomized study, data of 80 patients undergoing elective cardiac surgery with cardiopulmonary bypass in a 6-month period was collected, of which the volume aspirated from the surgical field was processed by either the HemoSep Novel Collection Bag (Advancis Surgical, Kirkby-in-Ashfield, Notts, UK) (N=40) (Group 1) or a cell- saver (C...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28825367/practice-meta-environment-of-the-cardiovascular-perfusionist
#7
Dean Belway, Fraser D Rubens, Diem T T Tran
Though historically the development of cardiovascular perfusion grew out of the need for cardiopulmonary bypass, the application of technologies of extracorporeal support has more recently expanded beyond the traditional domain of the cardiac surgical operative and peri-operative environment. As a result, perfusionists are sometimes required to work in novel clinical settings. As part of our recent national survey to evaluate the effects of changes in entry-to-practice criteria introduced in Canada in 2006, we asked perfusionists if their current position as a perfusionist involves work outside the OR...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28825362/rescue-intervention-after-three-days-of-renal-ischemia-caused-by-acute-complicated-type-b-aortic-dissection
#8
Chih-Hung Lai, Keng-Hao Chang, Szu-Ling Chang, Hui-Chih Lai, Wen-Lieng Lee, Tsun-Jui Liu
Complicated type B dissection is associated with a high mortality rate due to malperfusion syndrome or progression of the dissection for which aggressive therapy with an endovascular or surgical intervention is recommended. Herein, we present a patient who received a successful percutaneous rescue intervention after three days of renal ischemia caused by a complicated type B dissection. This type of rescue of percutaneous intervention with branch vessel stenting appears to be useful in treating malperfusion syndrome caused by aortic dissection, even after a period of organ ischemia...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28825356/spontaneous-coronary-artery-dissection-causing-acute-myocardial-infarction-and-cardiac-arrest-in-a-25-year-old-male
#9
Fu-Lan Chang, Wei-Chun Chang, Yu-Tsung Cheng, Tsun-Jui Liu, Wen-Lieng Lee, Chih-Hung Lai
A 25-year-old previously healthy male presented to our emergency room with acute chest pain and ventricular arrhythmia-related cardiac arrest. ST elevation myocardial infarction was diagnosed and coronary angiography revealed diffuse critical narrowing from the proximal to the distal left anterior descending artery. Diffuse intramural hematoma was demonstrated on intravascular ultrasound. Two stents were placed to cover the whole dissection length and flow was successfully restored. Spontaneous coronary artery dissection can be a fatal event and could be mistaken for atherosclerotic plaque or coronary spasm rather than luminal compression on coronary angiography and intravascular imaging is helpful in this condition...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28825352/cutaneous-analgesia-before-transradial-access-for-coronary-intervention-to-prevent-radial-artery-spasm
#10
Ersan Tatlı, Mustafa Adem Yılmaztepe, Mustafa Gökhan Vural, Alptuğ Tokatlı, Murat Aksoy, Mustafa Tarık Ağaç, Mehmet Akif Çakar, Huseyin Gündüz, Ramazan Akdemir
AIM: Transradial access (TRA) for coronary intervention is increasingly used in current clinical practice. The aim of the present study was to evaluate the hypothesis that cutaneous analgesia before TRA for coronary intervention at a puncture site 30 minutes before puncture can reduce patient discomfort and the incidence of radial artery spasm (RAS). METHODS: Patients (n=104) undergoing planned coronary interventions using TRA were prospectively randomized to receive either 1 mL of 1% lidocaine subcutaneously (n=52) (control group) or subcutaneous lidocaine plus 5% lidocaine cream (n=52) cutaneously 30 minutes before puncture (treatment group)...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28823225/differentiating-between-cold-agglutinins-and-rouleaux-a-case-series-of-seven-patients
#11
Michele Heath, Julie Walker, Atilio Barbeito, Adam Williams, Ian Welsby, Cory Maxwell, Mani Daneshmand, John Haney, Maureane Hoffman
We present a case series of seven patients with suspected cold agglutinin antibodies, discovered after initiation of bypass. Laboratory analysis of blood samples intraoperatively determined the cause of the aggregation to be rouleaux formation in three of the patients and cold agglutinins in the other four.
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28823216/left-ventricular-dysfunction-causing-ischemia-in-patients-with-patent-coronary-arteries
#12
Thach Nguyen, Hoang Do, Tri Pham, Loc T Vu, Marco Zuin, Gianluca Rigatelli
BACKGROUND: New onset of heart failure (HF) is an indication for the assessment of coronary artery disease. The aim of this study was to clarify the mechanistic causes of new onset HF associated with ischemic electrocardiograph (EKG) changes and chest pain in patients with patent or minimally diseased coronary arteries. METHODS: Twenty consecutive patients (Group A) were retrospectively reviewed if they had an history of new onset of HF, chest pain, electrocardiographic changes indicating ischemia (ST depression or T wave inversion in at least two consecutive leads and a negative coronary angiogram [CA]) and did not require percutaneous coronary intervention or coronary artery bypass grafting...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28816101/measurement-of-total-hemoglobin-reduces-red-cell-transfusion-in-hospitalized-patients-undergoing-cardiac-surgery-a-retrospective-database-analysis
#13
Christopher Craver, Kathy W Belk, Gerard J Myers
INTRODUCTION: Historically, perioperative hemoglobin monitoring has relied on calculated saturation, using blood gas devices that measure plasma hematocrit (Hct). Co-oximetry, which measures total hemoglobin (tHb), yields a more comprehensive assessment of hemodilution. The purpose of this study was to examine the association of tHb measurement by co-oximetry and Hct, using conductivity with red blood cell (RBC) transfusion, length of stay (LOS) and inpatient costs in patients having major cardiac surgery...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28816096/management-of-severe-pulmonary-hemorrhage-in-a-neonate-on-veno-arterial-ecmo-by-the-temporary-clamping-of-the-endotracheal-tube-a-case-report
#14
Vaclav Vobruba, Tomas Grus, Frantisek Mlejnsky, Jan Belohlavek, Jan Hridel, Lukas Lambert
Severe pulmonary hemorrhage in the newborn is an infrequent, but life-threatening, event. A newborn with persistent pulmonary hypertension and a large persistent ductus arteriosus and open foramen ovale presented with hypoxemia and progressive right heart failure shortly after birth, requiring veno-arterial extracorporeal membrane oxygenation (ECMO) support. Twenty minutes after the initiation of ECMO, the patient developed severe pulmonary hemorrhage refractory to conventional treatment. As a last resort, the endotracheal tube was clamped...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28816093/vascular-complications-following-intra-aortic-balloon-pump-implantation-an-updated-review
#15
Monique M de Jong, Roberto Lorusso, Fatima Al Awami, Francesco Matteuci, Orlando Parise, Pieter Lozekoot, Massimo Bonacchi, Jos G Maessen, Daniel M Johnson, Sandro Gelsomino
BACKGROUND: The use of the intra-aortic balloon pump (IABP) as a support device remains controversial due to the fact that a number of studies have shown no benefit in end mortality whilst using this device. One of the reasons for this could be the increase in vascular complications when using the pump. Therefore, the aim of the present review was to assess the current literature available with regards to IABP vascular complications during the clinical situation. METHODS: A literature search was performed, searching for IABP complications in adult human studies between 1990 and 2016...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28812428/microvascular-perfusion-in-cardiac-arrest-a-review-of-microcirculatory-imaging-studies
#16
Petra Krupičková, Zuzana Mormanová, Tomáš Bouček, Tomáš Belza, Jana Šmalcová, Jan Bělohlávek
Cardiac arrest represents a leading cause of mortality and morbidity in developed countries. Extracorporeal cardiopulmonary resuscitation (ECPR) increases the chances for a beneficial outcome in victims of refractory cardiac arrest. However, ECPR and post-cardiac arrest care are affected by high mortality rates due to multi-organ failure syndrome, which is closely related to microcirculatory disorders. Therefore, microcirculation represents a key target for therapeutic interventions in post-cardiac arrest patients...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28795615/international-survey-on-the-perioperative-management-of-pulmonary-endarterectomy-the-perfusion-perspective
#17
Roger D P Stanzel, Johannes Gehron, Matthias Wolff, Natalie Striegl, Peter Roth, Rolf-Hasso Boedeker, Christine Scheibelhut, Johannes Herrmann, Ingeborg Welters, Eckhard Mayer, Matthias Scheffler
INTRODUCTION: Pulmonary endarterectomy (PEA) is the most effective treatment available for chronic thromboembolic pulmonary hypertension (CTEPH). Patient selection, surgical technique and perioperative management have improved patient outcomes, which are traditionally linked to surgical and center experience. However, optimal perfusion care has not been well defined. The goal of the international survey was to better characterize the contemporary perfusion management of PEA and highlight similarities and controversies...
August 1, 2017: Perfusion
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
#18
Kimberly Hassen, Maria R Maccaroni, Haytham Sabry, Smitangshu Mukherjee, Shankari Serumadar, Inderpaul Birdi
Acute heparin-induced thrombocytopenia (HIT) patients present a myriad of 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/28789600/cardiac-surgery-score-casus-improves-outcome-prediction-in-patients-treated-with-extracorporal-life-support-ecls
#19
Britt Hofmann, Moriz J Gmelin, Dietrich Metz, Christoph Raspé, Andreas Wienke, Hendrik Treede, Andreas Simm
INTRODUCTION: The often-unexpected necessity of extracorporeal life support (ECLS) implies that information on patients and end-organ functions at time of implantation is scarce. However, there is a need for early prognostic indicators and a score predicting the outcome. Therefore, we evaluated established laboratory parameters and widely used intensive care scores - cardiac surgery score (CASUS) and sequential organ failure assessment (SOFA) after ECLS implantation. METHODS: In this retrospective analysis, 90 consecutive adult patients with veno-arterial ECLS were included...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28784030/measurement-of-gaseous-microemboli-in-the-prime-before-the-initiation-of-cardiopulmonary-bypass
#20
Inger M Husebråten, Arnt E Fiane, Mari-Anne I L Ringdal, Amrit P S Thiara
INTRODUCTION: The use of cardiopulmonary bypass is associated with a risk of neurocognitive deficit caused by gaseous microemboli. Flushing the empty bypass circuit with carbon dioxide, which is more soluble than air, may reduce the amount of gaseous microemboli in the priming solution before the initiating of cardiopulmonary bypass. METHOD: We measured the amount of gaseous microemboli in twenty primed bypass circuits. Ten circuits were flushed with carbon dioxide before being primed and ten circuits were non-flushed...
August 1, 2017: Perfusion
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