left ventricular outflow tract obstruction

... Surgery 2009, 4:51 http://www.cardiothoracicsurgery.org/content/4/1/51 obstruction of the the left ventricular outflow tract (LVOT) by the hypertrophied septum including a systolic anterior motion ... revealed a subaortic obstruction in the form of subaortic membrane, which has a congenital basis and is responsible for 8% to 20% of cases of congenital left ventricular outflow obstruction (LVOT) ... as primary treatment modality for left ventricular obstruction For a select subset of patients with refractory LVOT obstruction, DDD pacing with a short atrioventricular (AV) delay may be of benefit...

Ngày tải lên: 10/08/2014, 10:20

... caused by stress induced left ventricular outflow tract obstruction Am Heart J 2004;148:903-9 Braunwald E, Sarnoff SJ, Stainsby WN Determinants of Duration and Mean Rate of Ventricular Ejection Circ ... and the atrio -ventricular junction Left ventricular ejection fraction (LVEF) was calculated as (end-diastolic counts-end-systolic counts)/end-diastolic counts Duration of left ventricular systole ... of ventricular contraction during the cardiac cycle The mean phase angles were computed for right ventricular (RV) and LV blood pools as the arithmetic mean phase angle for all pixels in the ventricular...

Ngày tải lên: 05/11/2012, 11:32

... acute myocardial infarction; LVEF = left ventricular ejection fraction; FS = fractional shortening; LVEDD = left ventricular end-diastolic dimension; LVESD = left ventricular systolic dimension *Transthoracic ... cellular components Impact of Conditioned Medium Treatment on 90-Day Left Ventricular Function and Fractional Shortening The initial left ventricular ejection fraction (LVEF), fractional shortening (FS), ... oxidative stress Western blotting of oxidative index in left ventricular (LV) myocardium of Group I to VI on day 90 after AMI induction (left) , with quantification results of each group (n = 6)...

Ngày tải lên: 18/06/2014, 16:20

... or more after myocardial infarction in patients with a left ventricular ejection fraction of 30 percent or less and in those with a left ventricular ejection fraction of 40 percent or less and ... was highest among patients with the lowest left ventricular ejection fraction, but the high incidence was not restricted to patients with the lowest left ventricular ejection fraction Indeed, the ... take into account patients with a better-preserved left ventricular ejection fraction (more than 40 percent) The discriminatory effect of the left ventricular ejection fraction appears to be greatest...

Ngày tải lên: 27/06/2014, 00:20

... medial to lateral approach Left ureter was the first landmark for this Figure Plain abdominal films, supine (A) & upright (B), revealed left- sided complete colonic obstruction Figure A self-expandable ... flexure and upper rectum distally Sheath was incised continuously Wound retractor (Allexis®, Applied Medical) was applied Left sided colon was bringing to abdominal wall Resected specimen was removed ... Proximal and distal margins were uninvolved At present he is doing well Discussion Malignant left- sided colonic obstruction is the most common etiology for emergency condition in colon cancer [19] Traditionally,...

Ngày tải lên: 09/08/2014, 01:24

... Coronary Artery Bypass Grafting; EF: Ejection Fraction; IVS: Interventricular Septal Thickness; LV: Left Ventricular; LVW: Left Ventricular Posterior Wall Thickness; NYHA: New York Heart Association ... seems to be sufficient to assess the regression of left ventricular hypertrophy Several authors have demonstrated that no difference in left ventricular mass regression is found between year and ... homografts had a greater reduction of left ventricular mass than patients who received a stented bioprosthesis or mechanical valve They also found that left ventricular mass regression had been...

Ngày tải lên: 10/08/2014, 09:22

... 15 2.5 18 46 left 1/1 Page 10 of 10 Table HARPS criteria All criteria should be met with pump “off” (6000 rpm for HeartMate II) Left ventricular end-diastolic diameter < cm Left ventricular end-systolic ... 6530 Troponin T, ng/mL

Ngày tải lên: 10/08/2014, 09:22

... ventricle (RV) pacemaker/defibrillator lead is located posteriorly in the septal part of RV outflow tract The left ventricular (LV) pacing lead placed epicardially in a mediolateral branch from the coronary ... femoral artery and advanced retrogradly into the left ventricle An electromagnetic motor draws blood from the inflow port in the left ventricle to the outflow port in the proximal ascending aorta ... Schömig A: A randomized 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...

Ngày tải lên: 10/08/2014, 09:22

... Heart Association; LVEF = left ventricular ejection fraction; LVEDD = left ventricular end-diastolic diameter; LVESD = left ventricular end-systolic diameter; LAD = left atrial diameter; SPAP ... York Heart Association; LVEDD = left ventricular end-diastolic diameter; LVESD = left ventricular end-systolic diameter; LAD = left atrial diameter; LVEF = left ventricular ejection fraction; ... end-systole in the four-chamber apical long axis view Left ventricular endsystolic diameter (LVESD), left ventricular end-diastolic diameter (LVEDD), left atrial diameter (LAD) and systolic pulmonary...

Ngày tải lên: 10/08/2014, 09:22

... compared to other studies The high mortality among our group of patients was related to the impaired left ventricular function Other factors contributing to the mortality of patients were the preoperative ... conclusion, we believe that ONCAB/BH can be used in myocardial revascularization among patients with left ventricular dysfunction The technique was found to be associated with better myocardial revascularization, ... http://www.cardiothoracicsurgery.org/content/5/1/109 10 11 12 13 14 15 Page of in patients with poor left ventricular dysfunction: a propensity score analysis Circ J 2007, 71:1387-1394 Perrault LP, Menaschè...

Ngày tải lên: 10/08/2014, 09:22

... outcomes after left ventricular assist device placement Ann Thorac Surg 2005, 79:66-73 doi:10.1186/1749-8090-5-123 Cite this article as: Awad et al.: Initial experience with off-pump left ventricular ... Implantable left ventricular assist devices N Engl J Med 1998, 339:1522-1533 Rose EA, Gelijns AC, Moskowitz AJ, Heitjan DF, Stevenson LW, Dembitsky W, et al: Long-term mechanical left ventricular ... was employed for assessment of right and left ventricular function, exclusion of associated pathologies that preclude OP implantation (intra-atrial shunts, ventricular thrombus, severe aortic insufficiency),...

Ngày tải lên: 10/08/2014, 09:23

... myocardial recovery The Abiomed AB5000™ left VAD (LVAD) is a paracorporeal unit with an inflow attachment from the left atrium or left ventricle and an outflow graft to the ascending aorta There ... sternotomy The heart appeared markedly distended with severe biventricular failure An Abiomed AB5000™ (Abiomed Inc., Danvers, MA) left ventricular assist device (LVAD) was placed (Figure 1) Restoration ... article as: Samuels et al.: Cardiogenic shock associated with loco-regional anesthesia rescued with left ventricular assist device implantation Journal of Cardiothoracic Surgery 2010 5:126 Figure Abiomed...

Ngày tải lên: 10/08/2014, 09:23

... = left ventricular end-diastolic diameter; LVESD = left ventricular end-systolic diameter; LVEDV = left ventricular enddiastolic volume; LVESV = left ventricular end-systolic volume; LVEDP = left ... repair (n = 13) LVEDD = left ventricular end-diastolic diameter; LVEDV = left ventricular end-diastolic volume; LVEDP = left ventricular enddiastolic pressure; LVEF = left ventricular ejection fraction; ... anatomically normal MV Following dilatation of the annular -ventricular apparatus, papillary muscle displacement, and an altered ventricular geometry, left ventricular volume overload occurs which decreases...

Ngày tải lên: 10/08/2014, 10:20

... in medical therapies and surgical techniques, the management of coronary patients with severe left ventricular dysfunction (SLVD) (ejection fraction [EF] = 0.35) is still challenging[1,2] For ... associated with higher postoperative morbidity and mortality compared with patients with normal left ventricular function[3] Off pump coronary artery bypass surgery (OPCAB) has theoretical and practical ... preoperative Datascope system IABP in 115 (7.4%) consecutive patients with poor preoperative left ventricular ejection fraction (LVEF) = 35% During the same period, the IABP was inserted during...

Ngày tải lên: 10/08/2014, 10:20

... aleft ventricular rupture thin rim 3and and inferoseptal lefttissue (arrow) SSFP MR images with an area of large area of microvascular covered by ain the inferolateral short axis (b) first ventricular ... pouch obstruction mm Axial (a) Axial (a) and short axis (b) first pass perfusion SSFP MR images demonstrate a large area of microvascular obstruction in the inferolateral and inferoseptal left ventricular ... (arrow) A volume rendered 3D MDCT image (b) of the left ventricle shows an area of localized contrast out-pouching with a narrow neck in the lateral left ventricular wall (arrow) Figure of infarcted...

Ngày tải lên: 10/08/2014, 10:20

... 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 ... elevated left ventricular end-diastolic pressure may or may not be associated with systolic dysfunction of left ventricle, suggesting left ventricular DD even in the absence of reduced left ventricular ... 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 relaxation, and as a result,...

Ngày tải lên: 10/08/2014, 10:20

... radial strain reveals left ventricular dyssynchrony in patients with permanent right ventricular pacing J Am Coll Cardiol 2007, 50(12):1180-1188 Mond HG, Vlay SC: Pacing the right ventricular septum: ... XH, Ho WY, Lau CP: Upgrading pacemaker patients with right ventricular apical pacing to right ventricular septal pacing improves left ventricular performance and functional capacity J Cardiovasc ... CM: Reversible left ventricular dyssynchrony and heart failure induced by right ventricular pacing Int J Cardiol 2009, 134(1):117-119 Höijer CJ, Meurling C, Brandt J: Upgrade to biventricular pacing...

Ngày tải lên: 10/08/2014, 23:20

... the condition The presence of marked left ventricular trabeculation in patients with IVNC is believed to arise as a result of intrauterine arrest of left ventricular myocardial compaction, although ... Apical four chamber view demonstrating marked trabeculation of the left ventricular apex (arrow) RA, right atrium; LA, left atrium; LV, left ventricle; RV, right ventricle; PE, pleural effusion Figure ... R: Isolated noncompaction of left ventricular myocardium A study of eight cases Circulation 1990, 82:507-513 McCulloch C, Jadhav S, Glen S, Bridges A: Isolated left ventricular non-compaction,...

Ngày tải lên: 11/08/2014, 21:22

... that RV contractility is not changed, therefore, the RV afterload is not affected by OLC ventilation RV contractility was comparable between both ventilation strategies Ventricular contractility ... 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 ... indicating an unchanged RV contractility during OLC ventilation As the RV contractility did not change, the parameters for RV afterload were not affected by RV contractility – we therefore conclude...

Ngày tải lên: 12/08/2014, 23:24

... continuous, beat-to-beat left ventricular area curve (green line) Left ventricular end-diastolic area (LVEDA) was defined as peak of the left ventricular area during diastole Left ventricular end-systolic ... after volume(bottom left( ΔSA) (top left panel), respiratory variations (bottom right panel) at baseline right panel), left ventricular end-diastolic area index (LVEDAI) (bottom left panel), and ... mean ± standard deviation LVEDAI, left ventricular end-diastolic area index; ΔPP, respiratory variations in pulse pressure; ΔSA, respiratory variations in left ventricular stroke area a p < 0.05...

Ngày tải lên: 13/08/2014, 03:20