quantification of left ventricular systolic function
Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography
Ngày tải lên :
20/01/2016, 13:07
... left ventricular pressure, and left atrial pressure hardly exceeds this elevated left ventricular pressure (Courtesy of T C Gillebert and A F Leite-Moreira.) PREFACE The assessment of left ventricular ... Redfield MM Determination of left ventricular filling pressure by Doppler echocardiography in patients with coronary artery disease: critical role of left ventricular systolic function J Am Coll Cardiol ... Pereira JJ, Martin M, et al Usefulness of tissue Doppler and color M-mode indexes of left ventricular diastolic function in predicting outcomes in systolic left ventricular heart failure (from the...
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Báo cáo y học: "Preoperative diastolic function predicts the onset of left ventricular dysfunction following aortic valve replacement in high-risk patients with aortic stenosis" docx
Ngày tải lên :
13/08/2014, 20:22
... http://ccforum.com/content/14/3/R101 Page of 11 Table 3: Distribution of perioperative variables according to the presence of post-CPB left ventricular dysfunction No LV dysfunction (n = 56) With LV dysfunction (n = 38) ... hypertrophy (PWT >11 mm), poor systolic LV function was found in 14% of patients (n = 12) whereas diastolic dysfunction was diagnosed in 84% of patients (n = 89), all of whom had Vp < 50 cm/s Regarding ... [24,37,38], below a threshold value of 50 cm/sec, Vp reliably detected all grades of diastolic dysfunction In addition, analysis of ROC curves indicated that a cut-off value of 40 cm/sec was helpful to...
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Báo cáo y học: "Comparative evaluation of left ventricular mass regression after aortic valve replacement: a prospective randomized analysis" pptx
Ngày tải lên :
10/08/2014, 09:22
... Page of Association functional class (NYHA), blood data including signs of haemolysis, anticoagulation profile, assessment of cardiac rhythm and blood pressure and documentation of occurrence of ... of patients, left ventricular mass regression was similar in both groups at and 12 months, despite the superior hemodynamic performance of the pulmonary autografts Significant regression of left ... assess the regression of left ventricular hypertrophy Several authors have demonstrated that no difference in left ventricular mass regression is found between year and years of follow up [9,13,14]...
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Báo cáo khoa học: "Diagnosis of left ventricular diastolic dysfunction in the setting of acute changes in loading conditions" pdf
Ngày tải lên :
13/08/2014, 03:20
... patients according to their baseline left ventricular systolic function Preserved LV systolic function (n = 27) Ultrafiltration (l) Mean BP (mmHg)a Altered LV systolic function (n = 10) 3.0 ± 1.2 2.8 ... aspect of the mitral ring, and variations were less pronounced in the presence of LV systolic dysfunction In contrast, Vp tended to decrease with preload reduction, regardless of LV systolic function ... Carlson RW: Left ventricular diastolic function in sepsis Crit Care Med 1990, 18:709-714 Poelaert J, Declerk C, Vogelaers D, Colardyn F, Visser CA: Left ventricular systolic and diastolic function...
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Báo cáo y học: "Post-hypothermic cardiac left ventricular systolic dysfunction after rewarming in an intact pig model" ppsx
Ngày tải lên :
14/08/2014, 07:21
... consisting of LV end diastolic Page 12 of 13 volume and the volume of surrounding structures; ESP: end systolic pressure; ESV: end systolic volume: in the present paper consisting of LV end systolic ... hypothermia-induced mild left ventricular cardiac failure Key messages • Cardiac left ventricular contractility decreases during surface cooling below 34°C • Cardiac systolic function is depressed ... and time matched normothermic controls (P ≤0.05) Page of 13 Figure Indexes of left ventricular diastolic function A Maximal deceleration of pressure in the cardiac cycle (dP/dtmin); B end diastolic...
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Báo cáo y học: "Transthoracic echocardiography for the diagnosis of left ventricular thrombosis in the postoperative care unit" ppt
Ngày tải lên :
14/08/2014, 07:21
... common predisposing cause of left ventricular thrombi, left ventricular thrombi can develop in any situation in which low flow occurs [14] In our study, all of the left ventricular thrombi were ... observations offer important information in an otherwise unknown topic such as that of left ventricular thrombosis in surgical patients; hence, the hypothesis of the high rates of left ventricular ... visualize the left ventricular apex Indeed, only when the transducer is moved to a lower interspace is the left ventricular apex included in the field [22] Among our patients, a view of the left ventricular...
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Báo cáo y học: "Surgery of secondary mitral insufficiency in patients with impaired left ventricular function" pps
Ngày tải lên :
10/08/2014, 10:20
... = left ventricular end-diastolic diameter; LVESD = left ventricular end -systolic diameter; LVEDV = left ventricular enddiastolic volume; LVESV = left ventricular end -systolic volume; LVEDP = left ... LVEDD = left ventricular end-diastolic diameter; LVEDV = left ventricular end-diastolic volume; LVEDP = left ventricular enddiastolic pressure; LVEF = left ventricular ejection fraction; PAs = systolic ... leads to leakage of the anatomically normal MV Following dilatation of the annular -ventricular apparatus, papillary muscle displacement, and an altered ventricular geometry, left ventricular volume...
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Báo cáo y học: "The effect of open lung ventilation on right ventricular and left ventricular function in lung-lavaged pigs" pps
Ngày tải lên :
12/08/2014, 23:24
... G, Haggmark S, Biber B: Analysis of left ventricular systolic function during elevated external cardiac pressures: an examination of measured transmural left ventricular pressure during pressurevvolume ... End -systolic pressure–volume relationship The right ventricular End -systolic pressure–volume relationship end -systolic pressure (RV) versus the right ventricular end -systolic volume The end -systolic ... lung ventilation does not increase right ventricular afterload Intensive Care Med 2005, 31:s21 Carabello BA: Evolution of the study of left ventricular function: everything old is new again Circulation...
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Báo cáo y học: "Different effect of exercise on left ventricular diastolic time and interventricular dyssynchrony in heart failure patients with and without left bundle branch block"
Ngày tải lên :
05/11/2012, 11:32
... prolongation of LV systole and a consecutively shortened LV diastole in patients with LBBB irrespective of the presence of left ventricular systolic dysfunction The absolute loss of diastolic ... measure of the degree of LV dyssynchrony Furthermore, the shortening of diastolic time is an often overlooked mechanism of cardiac dysfunction The duration of diastole is a principal determinant of ... descending limb of its function curve In this situation a prolongation of left ventricular ejection was demonstrated which may be viewed as a compensatory mechanism that serves to maintain left ventricular...
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Báo cáo hóa học: " Myocardium-derived conditioned medium improves left ventricular function in rodent acute myocardial infarction" pot
Ngày tải lên :
18/06/2014, 16:20
... myocardial infarction; LVEF = left ventricular ejection fraction; FS = fractional shortening; LVEDD = left ventricular end-diastolic dimension; LVESD = left ventricular systolic dimension *Transthoracic ... PCR and Immunofluorescent staining of infarcted LV myocardium showed that the expression of eNOS, an indicator of endothelial function, and the number of vWF-positive cells, a marker of endothelial ... Page 12 of 18 Figure Impact of conditioned medium treatment on protein expressions of Cx43, CXCR4, and SDF-1a Western blot of LV myocardium (n = in each group) (Left) Protein expression of connexin43...
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báo cáo hóa học: " Quantification of functional weakness and abnormal synergy patterns in the lower limb of individuals with chronic stroke" pdf
Ngày tải lên :
19/06/2014, 10:20
... and extension of the hip, extension of the knee and extension and inversion of the ankle) and the flexion synergy (external rotation, abduction, and flexion of the hip, flexion of the knee, and ... presence of positive secondary torques of hip and ankle flexion are consistent with mechanical demands of the task Not surprisingly healthy subjects had a high level of rectus femo- Page of 11 (page ... score below 10 out of 34 Subjects with a Fugl-Meyer lower limb score greater than 30 out of 34 were deemed very highly functional and excluded The synergy control sub-score of the Fugl-Meyer assessment...
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Báo cáo y học: "Treatment of cardiogenic shock with left ventricular assist device combined with cardiac resynchronization therapy: A case report" pdf
Ngày tải lên :
10/08/2014, 09:22
... [9] The rapid onset of hemodynamic improvement of CRT may be of clinical benefit in an acute setting and it is likely that CRT has an additive effect on the unloading of the left ventricle and ... Treatment of cardiogenic shock with left ventricular assist device combined with cardiac resynchronization therapy: A case report Journal of Cardiothoracic Surgery 2010, 5:54 Page of ... clinical trial to evaluate the safety and efficacy of a percutaneous left ventricular assist device versus intra-aortic balloon pumping for treatment of cardiogenic shock caused by myocardial infarction...
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Báo cáo y học: "Evaluation of preoperative intra-aortic balloon pump in coronary patients with severe left ventricular dysfunction undergoing OPCAB surgery: early and mid-term outcome" ppsx
Ngày tải lên :
10/08/2014, 10:20
... patients with severe left ventricular dysfunction J Thorac Cardiovasc Surg 2000, 119:550-557 Chamberlain MH, Ascione R, Reeves BC, Angelini GD: Evaluation of the effectiveness of off-pump coronary ... to the high risk of preoperative severely impaired LV function, the mortality is rather high for the series of patients Page of (page number not for citation purposes) Journal of Cardiothoracic ... for hemofiltration, which supports the finding of Vohra, et al [19] It has been proposed that the use of preoperative IABP may lead to minimization of low-flow episodes with avoidance of subsequent...
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Báo cáo y học: "Left ventricular diastolic dysfunction of the cardiac surgery patient; a point of view for the cardiac surgeon and cardio-anesthesiologist" pptx
Ngày tải lên :
10/08/2014, 10:20
... aspect of DD is the relationship between systolic and diastolic left ventricular dysfunction [2,29,30] Increased left ventricular end systolic volume for example, affects the rate of left ventricular ... such as, a) left atrial -left ventricular pressure gradient at the time of mitral valve opening, b) left atrial chamber compliance, c) left ventricular chamber compliance, d) grade of left ventricle ... both systolic and diastolic function in a parallel way [2] As it has been shown, elevated left ventricular end-diastolic pressure may or may not be associated with systolic dysfunction of left...
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Báo cáo y học: " Isolated left ventricular non-compaction as an unusual cause of heart failure: a case report" pdf
Ngày tải lên :
11/08/2014, 21:22
... injection of ultrasound contrast agent confirmed an area of non-compacted myocardium subtending a thinner walled area of compaction and a diagnosis of IVNC was made (Fig 3) Discussion Isolated left ventricular ... significantly The purpose of this case report is to highlight the diagnosis of IVNC and briefly review our current understanding of the condition The presence of marked left ventricular trabeculation ... be directed at the management of left ventricular systolic impairment where present; the detection, treatment and prevention of arrhythmias; and the prevention of systemic embolic events [3,4]...
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Báo cáo khoa học: "Prediction of fluid responsiveness using respiratory variations in left ventricular stroke area by transoesophageal echocardiographic automated border detection in mechanically ventilated patients" pdf
Ngày tải lên :
13/08/2014, 03:20
... line) Left ventricular end-diastolic area (LVEDA) was defined as peak of the left ventricular area during diastole Left ventricular end -systolic area (LVESA) was defined as minimum left ventricular ... midpapillarytransgastric, cross-sectional view of the left ventricle view of the left ventricle at midpapillary muscle level with automated border detection (ABD) Endocardial border of the left ventricle, including ... deviation LVEDAI, left ventricular end-diastolic area index; ΔPP, respiratory variations in pulse pressure; ΔSA, respiratory variations in left ventricular stroke area Page of (page number not...
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Quantification of Microcystin-degrading Bacteria in a Biofilm from a Practical Biological Treatment Facility by Real-time PCR
Ngày tải lên :
05/09/2013, 10:15
... respectively Quantification of microcystin-degrading bacteria by real-time PCR The standard curve was generated from serial 10-fold dilutions of DNA carrying the mlrA of strain C-1 The quantification of ... reactions required µL of extracted DNA, 10 pmol of each primer, 30 pmol of TaqMan probe, 25 µL of TaqMan Gene Expression Master Mix (Applied Biosystems Co USA), made up to a final volume of 50 µL using ... Dr Fujimoto from Tokyo University of Agriculture ** Biofilm samples Samples of biofilm (10 g) were taken from a biological contact material, honeycomb catalyst, of a practical biological treatment...
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The impact of technology on team functioning within a given organization
Ngày tải lên :
21/12/2013, 00:26
... depends on types of group and stages of group As we noted that there are four types of group as command, task, interest and friendship group Now, we will look at stages model of group development ... collaboration will develop with the experience Team work is useful because a lot of advantages: a combination of strengths, a range of opinion, divided responsibility, team spirit, administration and increase ... the team has been chosen carefully, you can take advantages of workforce-diversity, for example as a good range of abilities, fields of expertise, personality types, age range, sexual and religion,...
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Tài liệu Color Atlas of Pharmacology (Part 6): Quantification of Drug Action ppt
Ngày tải lên :
26/01/2014, 19:20
... Quantification of Drug Action 53 A Abnormal posture in mouse given morphine Dose = = mg/kg = 10 mg/kg = 20 mg/kg = 100 mg/kg = 140 mg/kg B Incidence of effect as a function of dose % ... slope at the point of inflection Lüllmann, Color Atlas of Pharmacology © 2000 Thieme All rights reserved Usage subject to terms and conditions of license 55 Quantification of Drug Action Portal ... concentration A Measurement of effect as a function of concentration 50 Effect (in mm of registration unit, e.g., tension developed) % 100 40 80 30 60 20 40 10 Effect (% of maximum effect) 20 10...
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Tài liệu Quantification of the Health Effects of Exposure to Air Pollution: Report of a WHO Working Group pdf
Ngày tải lên :
17/02/2014, 11:20
... effects of daily average exposures of the entire population (or broad strata of it) across broad geographic areas Use of these broad measures of exposure results in misclassification of exposure ... journal of epidemiology, 151: 440–448 (2000) 18 COMEAP Quantification of the effects of air pollution on health in the United Kingdom Department of Health Committee on the Medical Effects of Air ... results of studies in one locale(s) to estimate impacts in another Such assessments often apply exposure-response functions derived from studies on health effects of air pollution to estimates of...
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