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The Korean Journal of Pathology 1999;33(1): 1-8.
Relation of Heart Weight to Body Weight, Body Surface Area, Height, and Age in Normal Korean Men and Women.
Hee Soo Yoon, Hea Soo Koo, Joong Seok Seo, Sang Yong Lee, Jung Duck Park, Moo Yeol Lee, Sang Ho Cho
1Department of Pathology, College of Medicine, Ewha Woman University, Seoul 158-056, Korea.
2Department of Forensic Medicine, National Institution of Scientific Investigation, Seoul, Korea.
3Department of Preventive Medicine, College of Medicine, Chungang University, Seoul, Korea.
4Department of Physiology, College of Medicine, Chungang University, Seoul, Korea.
5Department of Pathology, College of Medicine, Yonsei University, Seoul, Korea.
ABSTRACT
Cardiovascular diseases have been the most serious threat to life and health. The socioeconomic ramifications of heart disease have long been a source of vexing legal as well as medical problems with no easy resolution as yet in hand. Heart weight, one of the important factors for the diagnosis of cardiomegaly and various heart diseases, shows extreme variability according to the height, weight, age, sex, nutritional status of individuals as well as other various factors. The purpose of this investigation was to find a practical method for calculating expected normal range of heart weight in a given individual. The study was performed on 259 autopsy cases of normal Korean men and women, consisting of 123 men and 136 women in age from newborn to 77 years old. Height, body weight, and heart weight were measured and the body surface area was calculated by height (cm)0.725 x weight (kg)0.425 x 71.84 and height (cm)0.7763 x weight (kg)0.4081 x 71.84 in men and women, respectively. The results showed that the mean heart weight of men and women older than 20 years old were 316.20 +/- 51.15 g (n=96) and 275.87 +/- 44.69 g (n=108), respectively. Heart weight was gradually increased according to the age. The body weight (men: r=0.81, women: r=0.84) and body surface area (men: r=0.83, women: r=0.83) were better univariate predictors of normal heart weight than body height (men: r=0.78, women: r=0.75) and age (men: r=0.42, women: r=0.57). No significant difference was found in predictive precision between body weight and body surface area. Since the body surface area was calculated from body weight and height, measuring the body weight was essential for calculating expected normal range of heart weight in a given individual, and calculation of expected normal range of heart weight using body weight was simpler method than using body surface area.
Key Words: Normal heart weight; Body weight; Body surface area; Height; Age
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