Cardiol Res

Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access

Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc

Journal website https://www.cardiologyres.org

Original Article

Volume 9, Number 1, February 2018, pages 1-6

Are Measures of Left Ventricular Longitudinal Shortening Affected by Left Atrial Enlargement?

Tables

**Table 1.** Most Common Clinical Entities for Which the Study Population Had an Echocardiogram
Clinical condition	Number of patients
Hypertension	47
Diabetes mellitus	23
Chronic kidney disease/end-stage renal failure	16
Coronary artery disease	13
Acute respiratory issues	13
Other conditions (rheumatic/hematologic/gastrointestinal)	12
Transient ischemic attack/cerebrovascular accident	8
Chest pain	8
Heart failure	8
Pre operative exam	6
Cancer	5
Obstructive sleep apnea	5
Chronic obstructive pulmonary disease	4
Syncope	3
Valvular heart disease	2

**Table 2.** Stepwise Multiple Regression Analysis to Assess Which Variable Was Best to Identify MAPSE
Independent variables	Coefficient	Std. error	r	P
BSA: body surface area; LAVI: left atrial volume index; LVMI: left ventricular mass index; MAPSE: mitral annular plane systolic excursion; MA TDI S’: mitral annular tissue Doppler imaging systolic velocity’; PGLS: peak global longitudinal strain.
Age	-0.002601	0.001640	-0.3480	0.1175
BSA	0.1929	0.06801	0.1720	0.0013
LAVI	0.005699	0.001840	0.08733	0.0026
LVMI	0.0001815	0.0008585	-0.3783	0.8332
MA TDI S’	0.03845	0.009917	0.4686	0.0001
PGLS	-0.02467	0.007077	-0.5419	< 0.0001

**Table 3.** Stepwise Multiple Regression Analysis to Assess Which Variable Was Best to Identify PGLS
Independent variables	Coefficient	Std. error	r	P
Age	0.05185	0.02560	0.3263	0.0486
BSA	1.6768	1.1167	0.02060	0.1378
LAVI	0.01874	0.03094	0.2141	0.5467
LVMI	0.06193	0.01128	0.6623	< 0.0001
MAPSE	-6.1455	1.7628	-0.5419	0.0026
MA TDI S’	0.2365	0.1706	-0.3974	0.1700

**Table 4.** Stepwise Multiple Regression Analysis to Assess Which Variable Was Best to Identify LAVI
Independent variables	Coefficient	Std. error	r	P
Age	0.1770	0.1008	0.1802	0.0282
BSA	-5.3373	4.3896	-0.05827	0.2282
LVMI	0.1111	0.05124	0.3448	0.0002
MAPSE	21.6913	7.0041	0.08733	0.0054
MA TDI S’	-0.7345	0.6702	-0.1761	0.2769
PGLS	0.2864	0.4728	0.2141	0.5467