Measurement of QRS Duration for Biventricular Pacing Optimization
نویسندگان
چکیده
منابع مشابه
Cardiac resynchronisation (biventricular pacing) for heart failure
Uses a structured format?Background:YesObjectives:YesSearch strategy:YesSelection criteria:YesData collection and analysis: YesMain results:Pooled results reportedReviewers’ conclusions:Reports results IntroductionDetailed introduction that includes description of health problem, current treatment options and a brief overview of CRT Me...
متن کاملCardiac Resynchronization Therapy; Biventricular Pacing
Although the estimates from limited studies vary on the proportion of patients with heart failure who also have ventricular dyssynchrony as reflected by a prolonged QRS complex, often in the form of left bundle branch block, the number of such patients is large (27% to 53%) and it is certainly in excess of the rate for the general population. Among these patients, 10% to 15% are candidates for ...
متن کاملElectrical and mechanical components of dyssynchrony in heart failure patients with normal QRS duration and left bundle-branch block: impact of left and biventricular pacing.
BACKGROUND Resynchronization pacing is an effective symptomatic treatment for heart failure patients with prolongation of the QRS duration (QRSd). Dyssynchronous contraction of the left ventricle is also observed with normal QRSd. We set out to determine how electrical activation of the left ventricular (LV) free wall differed between patients with left bundle-branch block (LBBB) and normal QRS...
متن کاملComparison of different approaches for optimization of atrioventricular and interventricular delay in biventricular pacing.
AIMS It has been shown that optimizing atrioventricular (AV) and interventricular (VV) delay improves cardiac performance in patients with biventricular pacemakers. However, there is no standard method for optimization available yet. The aim of this study was to compare echocardiographic parameters-displacement imaging, A wave duration, and aortic velocity time integral (VTI)-and acoustic cardi...
متن کاملThe Effects of QRS Duration and Pacing Sites on the Acute Hemodynamic Changes during Right Ventricular Pacing
BACKGROUND Has been reported that patients exhibiting prolonged paced QRS duration tend to have more serious heart disease, and the paced QRS duration can be an effective indicator of impaired left ventricular function. However, the acute and chronic hemodynamic effects of paced QRS duration and pacing sites during right ventricular (RV) pacing remain unknown. METHODS A total of 14 patients w...
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ژورنال
عنوان ژورنال: ASAIO Journal
سال: 2008
ISSN: 1058-2916
DOI: 10.1097/mat.0b013e31817b5b29