intraoperative brain monitoring in cardiac surgery

Báo cáo hóa học: " Single-trial classification of motor imagery differing in task complexity: a functional near-infrared spectroscopy study" ppt

Ngày tải lên : 19/06/2014, 08:20

... fingers of a hand, = thumb, = index finger, = middle finger, = ring finger and = little finger For example, the sequence 2-2-5-3-4 indicated the following task: index finger twice, little finger ... used in EEG-based BCIs Clinical Neurophysiology 2010, 121(9):1481-1493 47 Birbaumer N, Sauseng P: Brain- Computer Interface in Neurorehabilitation Brain- Computer Interfaces Springer Berlin Heidelberg; ... elicited in the individual’s brain, which in turn may motivate for increased subsequent MI output and improve the timing and completeness of imagined movements As a result, individuals may regain strength...

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báo cáo hóa học: " Relationship between oxygen supply and cerebral blood flow assessed by transcranial Doppler and near – infrared spectroscopy in healthy subjects during breath – holding" doc

Ngày tải lên : 19/06/2014, 10:20

... This index is expressed in %/s From the TCD data, we also calculated the Gosling's pulsatility index (PI) of the MCA in baseline conditions and in correspondence of the maximum CBFV increase during ... physiological process aiming at maintaining a proper chromophores concentration in brain tissues Hence, we believe that for a proper interpretation and evaluation of the VMR during BH it is necessary ... made by taking into account what happens during the BH phase Figure reports an example of the changes occurring in the O2Hb (red line) and CO2Hb (blue line) concentrations during BH of a single healthy...

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Báo cáo y học: " Near-infrared spectroscopy during stagnant ischemia estimates central venous oxygen saturation and mixed venous oxygen saturation discrepancy in patients with severe left heart failure and additional sepsis/septic shock" potx

Ngày tải lên : 13/08/2014, 20:21

... beds that drain into the inferior vena cava or coronary sinus will not be involved in this measurement Healthy resting individuals have a ScvO that is slightly lower than the SvO2 [3] In heart failure ... measurement to determine ScvO (%) and SvO (%), respectively In view of known problems arising during sampling from the pulmonary artery, including the possibility of contaminating arterial blood ... in periods of hemodynamic instability In shock states, blood flow to the splanchnic and renal circulations falls, while flow to the heart and brain is maintained [21] This results in a fall in...

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Perioperative Considerations in Cardiac Surgery Edited by Cuneyt Narin docx

Ngày tải lên : 17/03/2014, 02:20

... The signalling throughout the cell during anesthetic preconditioning include protein kinase C (PKC), protein tirozin kinase (PTK), mitogenactivated protein kinases (MAPK), protein kinase-B, mitochodria ... Anesthesia Information Management System in Cardiac Surgery In: Proceedings of Computing in Cardiology, Hangzhou, China, September, 2011 Dalmiani, S.; Taddei, A.; Glauber, M & Emdin, M (2002) An informative ... Reducing blood sampling in the perioperative period  Using retrograde autolog priming of the CPB circuit  Minimizing tubing size  Using miniaturized CPB circuits 3.1.2 Intraoperative hemodynamics...

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Special Topics in Cardiac Surgery Edited by Cuneyt Narin potx

Ngày tải lên : 23/03/2014, 17:20

... be maintained by several factors including the production of cytokines such as TNF-alpha (α), interleukin (IL-1), IL-1 (beta), interleukin (IL-2), interleukin ( IL-6), interleukin (IL-8), interleukin ... Topics in Cardiac Surgery Commonly used catecholamines such as dopamine, dobutamine, isoproterenol, epinephrine, norepinephrine and inotropic catecholamines not milrinone and levosimendan, being ... norepinephrine infusion in line and this study was carried out monitoring of renal function with infusion of norepinephrine in postsurgical hypotension TAM

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Báo cáo y học: "Treatment of gram-positive deep sternal wound infections in cardiac surgery -experiences with" ppt

Ngày tải lên : 10/08/2014, 09:22

... antibiotic, daptomycin in the treatment of DSWI due to gram-positve organisms in cardiac surgery Our findings, suggest that treatment of daptomycinsusceptible DSWI with a daptomycin-containing antibiotic ... males) were included in the study Their characteristics are shown in Table Thirteen patients developed deep sternal wound infection following coronary artery bypass grafting (CABG, including two ... in three patients, type II in six, type IIIa in one, type IIIb in seven, in type IVa in two, and type V in the remaining four The patients underwent initial surgical revision, at which time a choice...

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Báo cáo y học: "A comparative study of four intensive care outcome prediction models in cardiac surgery patients" pdf

Ngày tải lên : 10/08/2014, 09:23

... 22.7 Combined CABG & valve surgery 381 13.6 Ascending aorta and aortic arch surgery 60 2.1 Combined ascending aorta & valve surgery 116 4.1 Combined ascending aorta & coronary surgery 0.2 Cardiac ... and SAPS II quite convincing evidence of the ability to maintain good discrimination across different populations, but calibration is often poor [15,16] Our study in cardiac surgery patients, confirmed ... tool in decision making Although scoring systems may provide an indication of disease severity and prognosis in individual patients and assist in overall patient assessment along with full clinical...

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Báo cáo khoa học: "Pulse contour analysis after normothermic cardiopulmonary bypass in cardiac surgery patients" pdf

Ngày tải lên : 12/08/2014, 23:20

... thermodilution in patients undergoing minimally invasive direct coronary artery bypass grafting J Cardiothorac Vasc Anesth 1999, 13:437-440 Jansen JR, Wesseling KH, Settels JJ, Schreuder JJ: Continuous cardiac ... monitoring by pulse contour during cardiac surgery Eur Heart J 1990, 11 Suppl I:26-32 Wesseling KH, Jansen JR, Settels JJ, Schreuder JJ: Computation of aortic flow from pressure in humans using ... thermodilution cardiac output in critically ill patients Intensive Care Med 1999, 25:843-846 Godje O, Hoke K, Lamm P, Schmitz C, Thiel C, Weinert M, Reichart B: Continuous, less invasive, hemodynamic monitoring...

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Báo cáo khoa học: "A comparison of transcranial Doppler with near infrared spectroscopy and indocyanine green during hemorrhagic shock: a prospective experimental study" ppsx

Ngày tải lên : 12/08/2014, 23:21

... Laboratories, Irvine, CA, USA) was inserted via an 8.5 F introducer in the right internal jugular vein, advanced under continuous pressure recording into wedge position and then connected to a cardiac ... over two minutes) and either arginine vasopressin (Pitressin®, Parke-Davis, Karlsruhe, Germany, 0.25 IU·kg-1) followed by a continuous infusion (2 IU·kg-1·h-1; animals) or norepinephrine (Aventis ... defined as MAP minus ICP (CPP = MAP – ICP) Anticoagulation was achieved with an intravenous bolus injection of heparin (100 I·U·kg-1) to prevent intracardiac clot formation Available online...

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Báo cáo khoa học: "A disheartening story: Aprotinin in cardiac surgery" pps

Ngày tải lên : 13/08/2014, 03:20

... aprotinin and hypothermic circulatory arrest Ann Thorac Surg 1993, 55:1418-1424 Umbrain V, Christiaens F, Camu F: Intraoperative coronary thrombosis: can aprotinin and protamine be incriminated? ... comparison of aprotinin and tranexamic acid in high-transfusion-risk cardiac surgery Transfusion 2006, 46:327-338 Hughes S: Aprotinin safety again in spotlight as new study suggests increased cardiac events ... aprotinin can decrease blood loss in selected patients, data are lacking to show that administration of this agent actually improves survival Competing interests The authors declare no competing interests...

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Báo cáo khoa học: "Comparison of uncalibrated arterial waveform analysis in cardiac surgery patients with thermodilution cardiac output measurements" doc

Ngày tải lên : 13/08/2014, 03:20

... limitations, including difficulties with correct catheter placement, transducer malfunction, and CO monitor malfunction In our intraoperative and early postoperative setting in patients undergoing cardiac ... litres per minute and -2.2 to +2.6 litres per minute after cardiac surgery [6] Therefore, we suggest that CO determination with pulse contour analysis in a setting after cardiac surgery might ... 185 Urine volume during surgery (ml) 30 1,030 324 Duration of anaesthesia (minutes) 30 312 56 Duration of surgery (minutes) 30 208 52 CPB time (minutes) 30 91 29 Aortic cross-clamp time (minutes)...

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Báo cáo y học: "An anti-inflammatory role for tranexamic acid in cardiac surgery" docx

Ngày tải lên : 13/08/2014, 08:21

... tranexamic acid in the study by Jimenez and colleagues [1] to attenuate inflammation reveals a glimpse of how the fibrinolytic and pro-inflammatory responses are interlinked The interplay of other ... once initiated, can lead to significant mortality and morbidity in subgroups of patients following cardiac surgery In the last two decades, much scientific effort has led us closer to a definition ... elevation of inflammatory cytokines predicts a poor outcome in ARDS Chest 1995, 107:1062-1073 Kawamura T, Wakausawa R, Okada K, Inada S: Elevation of cytokines during open heart surgery with...

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Báo cáo y học: " influence of early antioxidant supplements on clinical evolution and organ function in critically ill cardiac surgery, major trauma, and subarachnoid hemorrhage patients" potx

Ngày tải lên : 13/08/2014, 11:22

... NS Injury Severity Score brain, in brain- injured 14.5 ± 4.9 10.8 ± 4.5 019 Glasgow Coma Scale score initial, all 10.4 ± 4.9 11.8 ± 4.3 0.16 Brain injury 7.4 ± 4.3 9.7 ± 4.8 0.11 No brain injury ... 1.7 0.97 ± 1.2 0.085 Brain injury 2.5 ± 1.6 1.38 ± 1.2 0.012 No brain injury 0.2 ± 0.4 0.2 ± 0.6 NS Number Injury Severity Score, all Brain injury (n = 39; 20/19) No brain injury (n = 27; 14/13) ... in non -brain- injured patients; in those with brain injury, the conclusion is more Available online http://ccforum.com/content/12/4/R101 Table Time course of plasma C-reactive protein (mg/L) in...

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Báo cáo y học: "Clinical review: Practical recommendations on the management of perioperative heart failure in cardiac surgery" pdf

Ngày tải lên : 13/08/2014, 19:20

... mortality in cardiac surgery in European cardiosurgical centres The impact of inotropes is increasingly studied outside of cardiac surgery, highlighting the urgent necessity for cardiac surgery ... Precardiotomy deteriorating fast Deteriorating haemodynamic instability: increasing doses of intravenous inotropes and/or IABP necessary to maintain SBP > 80mmHg and/or CI >1.8 L/minute/m2 Progressive ... intravenous inotropes and/or IABP are necessary to maintain SBP >80 mmHg and/or CI >1.8 L/minute/m2 without clinical improvement Failure to wean from inotropes (decreasing inotropes results in...

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Báo cáo y học: "Tranexamic acid in cardiac surgery: is there a cause for concern" pps

Ngày tải lên : 13/08/2014, 21:21

... the data questioning if tranexamic acid administration has a place in higher risk cardiac surgery and especially in surgery where a cardiac chamber is opened Competing interests In the past years ... deliberating on not only the licensing for aprotinin but also tranexamic acid [2] With the increasing body of evidence, it is becoming clearer that aprotinin therapy is of greatest beneﬁt in patients ... clinically as an increase in seizure activity [9,10] Second, several other groups have independently made the observation of increased seizure activity, mainly in patients having open cardiac chamber...

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READINGS IN ADVANCED PHARMACOKINETICS – THEORY, METHODS AND APPLICATIONS doc

Ngày tải lên : 27/06/2014, 09:20

... of increasing complexity starting with a model considering hepatic first pass effect under linear and non linear conditions, then, adding the intestinal metabolic step and finally considering ... metabolite: M Clint,10 H  M Clint,2 H  EH M  EH M  M M Clint,1CH ·KmH M KmH  C M M Clint,2 ·Km H CH M Km H  C M Clint,1CH M M Clint,1CH  Clint,2  H CH M Clint,2CH M1 Clint,CH M2  Clint,CH  ... the involvement 20 Readings in Advanced Pharmacokinetics – Theory, Methods and Applications of intestinal transporters that could eventually lead to a non linearity in the absorption process In...

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Stock valuation in Vietnam theory, practice and recommendation the case SACOM

Ngày tải lên : 26/03/2015, 08:55

... generation, including the change in working capital and investments in tangible/intangible assets and shareholdings Cash earnings + Change in working capital = Cash flow from operating activities ... values of index in balance sheet Meanwhile, investor need evaluate how is this index in the future because invest in stock is invest in future Advantageous values calculated according to the ... price; on-going increasing bank interest rate, the depreciation of global securities market due to information on financial scandal in USA, economic recession and war risk; shortcomings in information...

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