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Lee: Normal Values of Left Ventricular Mass and Left Ventricular Mass Index and Criteria for Left Ventricular Hypertrophy by Echocardiography in Korean
Original Article

J Korean Soc Echocardiogr 1994;2(1):67-70.

Published online: 18 February 1994

DOI: https://doi.org/10.3803/jkes.1994.2.1.67

Normal Values of Left Ventricular Mass and Left Ventricular Mass Index and Criteria for Left Ventricular Hypertrophy by Echocardiography in Korean

Young-Soo Lee, M.D.

Department of Medicine, Inje University, School of Medicine, Sang-gye Paik Hospital, Seoul, Korea

Copyright © 1994 Korean Society of Echocardiography

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Background

Left Ventricular Hypertrophy(LVH) is well known independent predictors of cardiovascular morbidity and mortality. Recently echocardiography is popular method to measure Left Ventricular Mass(LVM) and detect LVH. The purpose of this study is to determine the mean values of LVM and criteria for LVH in Korean.

Methods

Two hundred and fifty five subjects who participate in the health clinic were selected and studied(among them, 47 subjects were excluded according to exclusion criteria). History, physical examination, routine laboratories, and echocardiography were performed to all of the subjects.

Results

The mean values of LVM, LVM corrected for body surface area(BSA). and LVM corrected for height are respectively: 199g, 114g/m2, and 119g/m in 119 Korean men. and 168g, 107g/m2, and 108g/m in 89 women, by echocardiography in accordance with the American Society of Echocardiography(ASE) convention. The criteria for LVH, based on mean plus two standard deviation for LVM. LVM/BSA, and LVM/height are, respectively: 301g, 168g/m2, and 181g/m in men, and 262g 165g/m2, and 168g/m in women.

Conclusions

The prevalence of LV hypertrophy in the entire study group using LV mass/surface criteria and LV mass/height are respectively 7.6% in men and 10.9% in women and 6.9% in men and 10% in women. There are little difference of the prevalance rate of LV Hypertrophy by whichever criteria were used, either based on LVM/body surface area or LVM/height while still correcting for body size.

Keywords: Left ventricular mass(LVM), Left ventricular hypertrophy(LVH), Echocardiography, Left ventricular mass index(LVMI).

References

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Table 1.
Exclusion criteria used to define a healthy reference group
  Men Women
  n % n %
Total subject 145 100 110 100
Inadequate study 2 1.3 2 1.8
Cardiopulmonary disease 4 2.8 1 0.9
Blood pressure > 140/90 14 9.7 23 11.8
Excluded medication 2 1.3 0 0
Overweight 4 2.8 5 4.5
Normal healthy 119 82.1 89 80.9
Table 2.
Characteristics of the healthy reference group
  Men Women
No 119 89
Age(yr) 42 ± 10 44 ± 12
Weight (Kg) 66 ± 8 55 ± 8
Height(m) 1.67 ± 0.05 1.56 ± 0.06
BSA(m2) 1.7 ± 0.1 1.5 ± 0.1
SBP(mmHg) 120 ± 12 119 ± 13
DBP(mmHg) 79 ± 10 76 ± 9
LVM(g) 199 ± 31 108 ± 30

SBP & DBP: Systolic & Diastolic blood pressure

BSA: Body Surface Area

LVM: Left Ventricular Mass

Table 3.
Mean values and upper limits of normal for LVM and LVMI of LVM derived from a healthy reference group
  Healthy reference group
  Men Women
bv ASE M M + 2SD M M + 2SD
LVM(g) 199 301 168 262
LVM/BSA (g/m2) 114 168 109 165
LVM/Ht(g/m) 119 181 108 168

ASE: measurement made in accordance with American society of echocardiography convention and formula of Troy et al

M: Mean BSA: body surface area Ht: height

LVM: left ventricular mass

Table 4.
Prevalence of LV hypertrophy based on application of healthy reference group-derived criteria for thee upper limits of normal to the entire study group
  Men(145) Women(110)
  n % n %
LVM≥301g 13 8.9 13 11.8
LVM/BSA≥168(g/m2) 11 7.6 12 10.9
LVM/Ht≥181(g/m) 10 6.9 11 10.0

LVM: left ventricular mass n: number

BSA: body surface area Ht: height

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