Metabolic bone disease following gastrectomy: Assessment by dual energy X-ray absorptiometry

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Abstract
Although disorders in bone metabolism have long been recognized as typical sequelae of gastrectomy, there has until now been no reliable method of providing precise assessment of bone mass, resulting in a variation of reported incidence. In this study, metabolic bone disease was evaluated in a well characterized population: 34 men 2–5 years after gastrectomy; 11 men 6–10 years after gastrectomy; eight men 2–5 years after colonic resection; and 115 healthy men. The age range was 50–69 years. An innovative reliable method of dual energy X‐ray absorptiometry was used which allows quantitative assessment of bone mineral content. Measurement of lumbar spine bone mineral density revealed that the mean(s.e.m.) bone mineral density in patients who had had a gastrectomy (2–5 years 0.84(0.03) g/cm2, 6–10 years 0.85(0.05) g/cm2) was significantly lower than that of patients who had undergone colonic resection (0.96(0.04) g/cm2) or healthy men (0.96(0.03) g/cm2). This study demonstrates that a high incidence of bone atrophy is induced at the relatively early period of 2–5 years after gastrectomy.
Funding Information
  • Ministry of Education, Japan (A02404052)