Role of Quantitative Wall Motion Analysis in Patients with Acute Chest Pain at Emergency Department

Overview

Journal J Cardiovasc Ultrasound

Specialty Cardiology & Vascular Diseases

Date 2017 Apr 13

PMID 28400932

Citations 3

Authors

Kyung-Hee Kim

Sang-Hoon Na

Jin-Sik Park

Affiliations

Soon will be listed here.

Abstract

Background: Evaluation of acute chest pain in emergency department (ED), using limited resource and time, is still very difficult despite recent development of many diagnostic tools. In this study, we tried to determine the applicability of new semi-automated cardiac function analysis tool, velocity vector imaging (VVI), in the evaluation of the patients with acute chest pain in ED.

Methods: We prospectively enrolled 48 patients, who visited ED with acute chest pain, and store images to analyze VVI from July 2005 to July 2007.

Results: In 677 of 768 segments (88%), the analysis by VVI was feasible among 48 patients. Peak systolic radial velocity (V) and strain significantly decreased according to visual regional wall motion abnormality (V, 3.50 ± 1.34 cm/s for normal vs. 3.46 ± 1.52 cm/s for hypokinesia, 2.51 ± 1.26 for akinesia, < 0.01; peak systolic radial strain -31.74 ± 9.15% fornormal, -24.33 ± 6.28% for hypokinesia, -20.30 ± 7.78% for akinesia, < 0.01). However, the velocity vectors at the time of mitral valve opening (MVO) were directed outward in the visually normal myocardium, inward velocity vectors were revealed in the visually akinetic area (V, -0.85 ± 1.65 cm/s for normal vs. 0.10 ± 1.46 cm/s for akinesia, < 0.001). At coronary angiography, V clearly increased in the ischemic area (V, -0.88+1.56 cm/s for normal vs. 0.70 + 2.04 cm/s for ischemic area, < 0.01).

Conclusion: Regional wall motion assessment using VVI showed could be used to detect significant ischemia in the patient with acute chest pain at ED.

Citing Articles

Two-dimensional Echocardiographic Assessment of Myocardial Strain: Important Echocardiographic Parameter Readily Useful in Clinical Field.

Park J Korean Circ J. 2019; 49(10):908-931.

PMID: 31456367 PMC: 6753023. DOI: 10.4070/kcj.2019.0200.

Ergonovine Provocation Echocardiography for Detection and Prognostication in Patients with Vasospastic Angina.

Park J Korean Circ J. 2018; 48(10):917-919.

PMID: 30238708 PMC: 6158447. DOI: 10.4070/kcj.2018.0139.

Role of Echocardiography in Diagnosing Myocardial Ischemia at Emergency Department.

Cho K J Cardiovasc Ultrasound. 2017; 25(1):3-4.

PMID: 28400929 PMC: 5385315. DOI: 10.4250/jcu.2017.25.1.3.

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