ArticleAnnals of translational medicine2019
Can the echocardiographic LV mass equation reliably demonstrate stable LV mass following acute change in LV load?
Article in Annals of translational medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 5 citations in OpenAlex.
- Realistic Aspects of Cardiac Ultrasound in Rats: Practical Tips for Improved Examination.Journal of imaging · 2024Review
- Echocardiography to Assess Cardiac Structure and Function in Genetic Cardiomyopathies.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Phenylephrine Provocation to Evaluate the Cause of Mitral Regurgitation in Patients With Obstructive Hypertrophic Cardiomyopathy.Circulation. Cardiovascular imaging · 2021Article
- Weight Loss After Laparoscopic Sleeve Gastrectomy Ameliorates the Cardiac Remodeling in Obese Chinese.Frontiers in endocrinology · 2021Article
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Authors and funding
4 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLimited data are available on performance of the left ventricular (LV) mass equation when there is a dynamic change to LV load. We aimed to test this equation in the immediate post-operative period following aortic valve replacement (AVR) for aortic regurgitation (AR) to see if it would reliably demonstrate stable LV mass before and after surgery. Since LV mass would be unlikely to change in the immediate postoperative period, we hypothesized that a decrease in LV diameter postoperatively would be accompanied by concomitant increases in LV wall thickness as predicted by the LV mass equation.
methodsWe reviewed echocardiograms of adult patients with AR who underwent AVR from 2007-2017 at Montefiore Medical Center (n=28). Three independent readers performed septal wall thickness (SWT), posterior wall thickness (PWT) and left ventricular internal diameter (LVID) measurements on pre-operative and post-operative echocardiograms. LV masses were calculated using the American Society of Echocardiography (ASE) equation.
resultsPost-operatively, LVID decreased from 5.7±1.2 to 4.9±1.0 cm, P<0.001. SWT was noted to increase from 1.08±0.20 to 1.18±0.27 cm, P=0.03, but PWT was unchanged, 1.11±0.21 to 1.16±0.27 cm, P=0.21. Accordingly, the LV mass equation calculated a decrease in LV mass from 266±126 to 232±99 gm, P=0.01. A control group of coronary artery bypass grafting alone (n=14) did not demonstrate any significant change in SWT, LVID, PWT and LV mass measurements. Similar findings were found for all three readers.
conclusionsFollowing aortic valve replacement for regurgitation, the LV mass equation calculated a reduction in LV mass in the immediate postoperative period. Since an immediate change in LV mass after AVR is unlikely, we feel that these results highlight an important limitation of the mass equation, when used with acutely changing loading conditions.
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