Cancer Res Treat.  2019 Apr;51(2):530-537. 10.4143/crt.2018.164.

Increased Risk of Osteoporosis in Gastric Cancer Survivors Compared to General Population Control: A Study with Representative Korean Population

Affiliations
  • 1Department of Family Medicine, Seoul National University Hospital, Seoul, Korea. jieun10@gmail.com
  • 2Department of Family Medicine and Supportive Care Center, Samsung Medical Center, Seoul, Korea. dwshin.md@gmail.com
  • 3Division of Endocrinology and Metabolism, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 4Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Abstract

PURPOSE
Although several studies have suggested that osteoporosis is common in survivors of gastric cancer (GC), no study to date has directly assessed the risk for osteoporosis in GC survivors compared to matched controls. Thus, we aimed to investigate the relative risk for osteoporosis in survivors of GC compared to general population.
MATERIALS AND METHODS
We used the Korea National Health and Nutrition Examination Survey data (2008-2011). Patients with a history of GC (n=94) were defined as case among 8,142 individuals over 50 years old who were evaluated by dual-energy X-ray absorptiometry. Controls (n=470) were matched to cases by age and sex in a 1:5 ratio. Osteopenia (-2.5 < T-score <-1.0) and osteoporosis (T-score ≤-2.5) were defined.
RESULTS
The prevalence of osteoporosis in GC survivors was 30.2%, which was significantly greater than that of controls (19.7%). In total, GC survivors had a 3.7-fold increased risk for osteoporosis compared to controls (p=0.021). In addition, the risk for osteoporosis of the total proximal femur total (TF) and femur neck (FN) was significantly increased among GC survivors compared to controls (adjusted relative risk, 4.64; 95% confidence interval, 1.16 to 18.6 in TF and adjusted relative risk, 3.58; 95% confidence interval, 1.19 to 10.8 in FN). Furthermore, we found sub-optimal daily calcium intake and mean serum levels of 25-hydroxy-vitamin D in both groups.
CONCLUSION
GC survivors are at significantly increased risk for osteoporosis, especially in the femur. Clinically, our finding supports the importance of screening bone health and adequate nutrient supplementation in survivors of GC.

Keyword

Osteoporosis; Gastric neoplasms; Calcium; Vitamin D

MeSH Terms

Absorptiometry, Photon
Bone Diseases, Metabolic
Calcium
Femur
Femur Neck
Humans
Korea
Mass Screening
Nutrition Surveys
Osteoporosis*
Population Control*
Prevalence
Stomach Neoplasms*
Survivors*
Vitamin D
Calcium
Vitamin D
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