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October 31, 2008Acta Cardiologica

The role of tissue Doppler study in the assessment of left ventricular dysfunction in obesity

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Why the study?

Does tissue Doppler imaging identify left ventricular dysfunction in obese patients better than conventional echocardiography?

Population

146 subjects, comprising 96 obese patients subgrouped by BMI and 50 normal weight controls.

Comparison

Tissue Doppler imaging (TDI) echocardiography vs Conventional transthoracic echocardiography

Design

Cross-sectional

Authors

ATAli Cevat TanalpGebze Technical UniversityABAtila BitigenTexas Tech UniversityCÇCihan ÇevikUniversity of Colorado Hospital

Discussion

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Overview

Tissue Doppler may detect subclinical LV dysfunction in obesity; leaves open whether it improves risk stratification over conventional echocardiography.

Structured PICO

Does tissue Doppler imaging identify left ventricular dysfunction in obese patients better than conventional echocardiography?

P
Population
146 subjects, comprising 96 obese patients (48 male, 48 female) subgrouped by BMI (mild 25-29.9 kg/m2, moderate 30-34.9 kg/m2, significant >=35 kg/m2) and 50 normal weight controls (25 male, 25 female).
I
Intervention
Tissue Doppler imaging (TDI) echocardiography
C
Comparator
Conventional transthoracic echocardiography (and comparison between obese patients vs normal weight controls)
O
Outcome
Left ventricular systolic and diastolic function parameters (Peak systolic velocity [Sm] of the lateral mitral annulus, early and late diastolic velocities [Em, Am])surrogate

Tissue Doppler imaging detects subclinical left ventricular systolic and diastolic dysfunction in obese patients that is not apparent on conventional echocardiography.

Cite This Study

Tanalp et al. (2008) studied this question.

synapsesocial.com/papers/6a8a8288b1e5d05ea8eca82ehttps://doi.org/10.2143/ac.63.5.2033218
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Impact of Overweight and Obesity on Left Ventricular Diastolic Function and Value of Tissue Doppler Echocardiography2013 · 50 citations
  2. 2Severe Obesity Impairs Systolic and Diastolic Heart Function – The Significance of Pulsed Tissue Doppler, Strain, and Strain Rate Parameters2013 · 30 citations
  3. 3The Early Change of Left Ventricular Function in Overweight and Obese Patients: Analysis With Tissue Doppler Echocardiography2008 · 5 citations
  4. 4Tissue doppler echocardiography for evaluating left ventricular functions in obese children2013 · 1 citations
  5. 5Effect of Obesity on Left Ventricular Structure and Myocardial Systolic Function: Assesment by Tissue Doppler Imaging and Strain/Strain Rate Imaging2007 · 103 citations