Journal List > Korean J Gastroenterol > v.75(3) > 1144407

Heo, Kim, Lee, Pyo, Min, Min, Lee, Son, Baek, Kim, Ryu, Rhee, and Kim: Impact of Sarcopenia on the Risk of Erosive Esophagitis

Abstract

Background/Aims

An association between obesity and erosive esophagitis has been reported, but the effects of sarcopenia and obesity on erosive esophagitis are unknown. This study examined the relationship between obesity, sarcopenia, sarcopenic obesity, and erosive esophagitis in a large population of asymptomatic men and women.

Methods

This study analyzed 32,762 subjects who underwent a comprehensive health checkup, which included upper gastrointestinal endoscopy, from August 2006 to December 2011 by a cross-sectional study. Sarcopenia was defined as a decrease in the appendicular skeletal muscle mass (ASM)/body weight value of two SD or more below the normal means for a younger reference group.

Results

The study was carried out on four groups according to obesity and sarcopenic status: normal, obesity, sarcopenic, and sarcopenic obese group. In a multivariable model, the risk of erosive esophagitis was higher in the obese (adjusted OR [aOR] 1.35, 95% CI 1.22-1.49), sarcopenic (aOR 2.12, 95% CI 1.40-3.19), and sarcopenic obese groups (aOR 1.54, 95% CI 1.27-1.87) than in the normal group. The risk of erosive esophagitis was higher in the sarcopenic and sarcopenic obese groups than the obese group; the ORs were 1.63 (95% CI 1.08-2.47) and 1.22 (95% CI 1.01-1.46), respectively. In dose-response analysis, in-creasing sarcopenia severity showed a positive and graded relationship with the overall, Los Angeles (LA)-B or higher grade, and LA-C erosive esophagitis.

Conclusions

This study suggests that sarcopenia is strongly and progressively associated with erosive esophagitis.

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Fig. 1.
(A-D) Prevalence of erosive esophagitis by the Los Angeles (LA) classification according to the sarcopenia and obesity status.
kjg-75-132f1.tif
Supplementary Fig. 1.
Study flow.
kjg-75-132f2.tif
Table 1.
Baseline Characteristics of the Study Participants according to the Obesity and Sarcopenia Status
  Normal (n=22,810) Obese (n=8,533) Sarcopenic (n=311) Sarcopenic obese (n=1,108) p-value
Age (years) 49.6±8.3 51.1±6.8 54.9±7.8 53.0±7.7 <0.001
Male 49.7 70.5 73.0 81.6 <0.001
BMI (kg/m2) 22.5±2.2 26.5±2.2 25.4±2.0 29.6±3.1 <0.001
Waist circumference (cm) 78.9±6.5 92.9±4.6 84.2±4.2 98.9±7.4 <0.001
ASM (kg) 19.2±4.1 22.9±4.4 17.1±3.4 21.9±4.4 <0.001
ASM/weight 31±3 30±3 27±3 27±3 <0.001
ASM/BMI (m2) 1.41±0.57 1.13±0.32 0.82±0.19 0.77±0.16 <0.001
Body fat percentage 24.4±6.1 28.3±5.8 33.6±5.2 35.7±5.2 <0.001
Current smoking 19.7 27.5 18.5 29.0 <0.001
Modest alcohol intake 12.7 21.6 14.6 24.1 <0.001
Regular exercise 29.9 25.6 26.9 22.7 <0.001
SBP (mmHg) 116 (106–127) 123 (113–134) 126 (113–137) 127 (117–139) <0.001
Triglycerides (mg/dL) 89 (65–128) 117 (85–162) 115 (84–160) 134 (99–191) <0.001
HDL-C (mg/dL) 55 (46–66) 50 (44–61) 47 (41–56) 46 (39–55) <0.001
Fasting glucose (mg/dL) 90 (84–97) 94 (88–103) 94 (87–104) 97 (90–109) <0.001
hsCRP (mg/dL) 0.04 (0.03-0.08) 0.07 (0.04-0.15) 0.08 (0.04-0.16) 0.12 (0.06-0.24) <0.001
Antihypertensive medication 13.2 26.4 32.7 42.5 <0.001
Hypoglycemic medication 5.0 8.8 5.7 13.1 <0.001
Dyslipidemia medication 9.4 16.0 24.6 21.2 <0.001
Cardiovascular disease 1.4 2.2 2.8 3.9 <0.001
Cerebrovascular disease 0.7 1.0 0.5 1.8 <0.001
Asthma 3.1 3.6 6.9 4.0 0.024
Aspirin use 10.0 14.6 18.5 17.5 <0.001
Sedatives use 2.2 2.1 2.8 3.0 0.25

Values are presented as mean±standard deviation, percentages, or median (interquartile range).

BMI, body mass index; ASM, appendicular skeletal muscle mass; SBP, systolic blood pressure; HDL-C, high-density lipoprotein cholesterol; hsCRP, high-sensitivity C-reactive protein.

Table 2.
Risk of Erosive Esophagitis according to Sarcopenia and Obesity Status
Subgroup Normal OR Obese OR (95% CI) Sarcopenic OR (95% CI) Sarcopenic obese OR (95% CI) p-value
Crude model 1.00 (reference) 1.95 (1.79-2.12) 2.80 (1.92-4.09) 2.72 (2.29-3.24) <0.001
Model 1 a 1.00 (reference) 1.53 (1.40-1.67) 2.23 (1.51-3.29) 1.93 (1.61-2.30) <0.001
Model 2 b 1.00 (reference) 1.46 (1.33-1.59) 2.33 (1.57-3.46) 1.82 (1.51-2.18) <0.001
Model 3 c 1.00 (reference) 1.44 (1.31-1.57) 2.28 (1.54-3.39) 1.75 (1.45-2.11) <0.001
Model 4 d 1.00 (reference) 1.36 (1.23-1.49) 2.17 (1.45-3.24) 1.63 (1.35-1.97) <0.001
Model 5 e 1.00 (reference) 1.35 (1.22-1.49) 2.12 (1.40-3.19) 1.54 (1.27-1.87) <0.001

OR, odds ratio; CI, confidence interval; HDL, high-density lipoprotein.

a Adjusted for age and sex;

b Adjusted for age, sex, smoking status, alcohol intake, and regular exercise;

c Adjusted for co-morbidities and/or medication use, aspirin use, and sedatives use in addition to the factors included in model 2;

d Adjusted for systolic blood pressure, triglycerides, HDL-cholesterol, and fasting glucose in addition to the factors included in model 3;

e Adjusted for the status of hiatal hernia in addition to the factors included in model 4.

Table 3.
The Risk of Erosive Esophagitis for Sarcopenic and Sarcopenic Obese Group Compared to the Obese Group
  Model 1 a
Model 2 b
Model 3 c
OR (95% CI) p-value OR (95% CI) p-value OR (95% CI) p-value
Obese 1.00 (reference)   1.00 (reference)   1.00 (reference)  
Sarcopenic 1.46 (0.99-2.15) 0.05 1.63 (1.09-2.45) 0.02 1.63 (1.08-2.47) 0.02
Sarcopenic obese 1.26 (1.05-1.51) 0.01 1.25 (1.04-1.52) 0.02 1.22 (1.01-1.46) 0.04

OR, odds ratio; CI, confidence interval; HDL, high-density lipoprotein.

a Adjusted for age and sex;

b Adjusted for age, sex, smoking status, alcohol intake, regular exercise, co-morbidities and/or medication use, aspirin use, sedatives use, systolic blood pressure, triglycerides, HDL-cholesterol, and fasting glucose;

c Adjusted for the status of hiatal hernia in addition to the factors included in model 2.

Table 4.
Risk of Erosive Esophagitis by LA Classification according to the Sarcopenia Status
  Multivariable-adjusted OR (95% CI)
≥ LA-A ≥ LA-B ≥ LA-C
Cutoff values for sarcopenia      
 Normal 1.00 (reference) 1.00 (reference) 1.00 (reference)
 Class I sarcopenia a 1.12 (1.01-1.24) 1.28 (1.02-1.61) 2.41 (0.91-6.43)
 Class II sarcopenia b 1.35 (1.12-1.63) 1.54 (1.05-2.28) 4.21 (1.06-16.76)
p for trend 0.004 0.034 0.048
Per 1% decrease in ASM/weight 1.03 (1.01-1.05) 1.06 (1.00-1.11) 1.32 (1.07-1.52)
Central obesity      
 No 1.00 (reference) 1.00 (reference) 1.00 (reference)
 Yes 1.35 (1.23-1.48) 1.57 (1.28-1.93) 2.37 (0.94-5.96)
p-value <0.001 <0.001 0.068

Values are presented as median (range). A multivariable model was adjusted for age, sex, waist circumference, smoking status, alcohol intake, regular exercise, co-morbidities and/or medication use, aspirin use, sedatives use, systolic blood pressure, triglycerides, HDL-cholesterol, fasting glucose, and the status of hiatal hernia.

LA, Los Angeles; OR, odds ratio; CI, confidence interval; ASM, appendicular skeletal muscle mass; HDL, high-density lipoprotein.

a Participants with class I sarcopenia were those with weight-adjusted skeletal muscle mass index between one and two standard deviations below the sex-specific values measured in young, healthy adults;

b Participants with class II sarcopenia were those with weight-adjusted skeletal muscle mass index more than two standard deviations below the sex-specific values measured in young, healthy adults.

Table 5.
Risk of Erosive Esophagitis by Sarcopenia and Obesity Status in Clinically-relevant Subgroups
Subgroup Normal Obese Sarcopenic Sarcopenic obese p for interaction
Age (years)         0.25
 <60 (n=27,957) Reference 1.52 (1.33-1.82) 2.77 (1.80-4.27) 1.91 (1.46-2.55)  
 ≥60 (n=4,805) Reference 1.33 (1.14-1.72) 2.03 (1.10-4.55) 1.48 (1.17-2.16)  
Sex         0.69
 Women (n=14,373) Reference 1.45 (1.10-1.91) 1.73 (1.18-6.52) 2.45 (1.27-4.74)  
 Men (n=18,389) Reference 1.46 (1.32-1.60) 2.32 (1.54-3.51) 1.74 (1.44-2.11)  
Current smoking         0.5
 No (n=25,584) Reference 1.43 (1.27-1.61) 2.11 (1.32-3.38) 1.94 (1.54-2.44)  
 Yes (n=7,178) Reference 1.51 (1.31-1.74) 2.65 (1.28-5.51) 1.56 (1.15-2.12)  
Alcohol intake         0.96
 Mild (n=27,736) Reference 1.47 (1.31-1.63) 2.20 (1.41-3.44) 1.83 (1.47-2.28)  
 Modest (n=5,026) Reference 1.46 (1.23-1.74) 2.61 (1.10-6.16) 1.70 (1.21-2.39)  
Regular exercise         0.06
 No (n=23,395) Reference 1.47 (1.32-1.64) 2.84 (1.84-4.38) 1.96 (1.60-2.41)  
 Yes (n=9,367) Reference 1.44 (1.21-1.71) 2.14 (1.21-4.72) 1.44 (1.13-1.92)  

Values are presented as median (range). Estimated from logistic regression models adjusted for age, sex, smoking status, alcohol intake, regular exercise, and metabolic variables.

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Hyuk Lee
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