The incidence of thoracic vertebral fractures in a Japanese population, Hiroshima and Nagasaki, 1958–1986

Fujiwara, Saeko; Mizuno, Shoichi; Ochi, Yoshimichi; Sasaki, Hideo; Kodama, Kazunori; Russell, W. A.; Hosoda, Yutaka

doi:10.1016/0895-4356(91)90002-q

Cited by 34 publications

(21 citation statements)

References 7 publications

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“…Data in 1990 and in 2000 showed significant improvements for men in their sixties and for women in their fifties. Given that low BMD is a risk factor for fractures, our results are consistent with the findings of Fujiwara et al [21], who assessed the effect of birth cohort on the incidence of vertebral fracture in Hiroshima, finding that the incidence decreased by a factor of 0.5 in men and 0.6 in women with each succeeding birth decade.…”

Section: Discussionsupporting

confidence: 92%

Bone Loss at the Lumbar Spine and the Proximal Femur in a Rural Japanese Community, 1990-2000: The Miyama Study

Yoshimura

Kinoshita

Danjoh³

et al. 2002

Osteoporosis International

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Bone mineral density (BMD) was measured over a ten year period in a cohort study in Miyama village, Wakayama Prefecture, Japan, to provide information on rate of bone loss in the mature and elderly population. Four hundred subjects were selected by sex and age decade from the full list of residents born in 1910-1949, and aged 40-79 years at the end of 1989, with 50 men and 50 women in each age decade. Baseline BMD of the lumbar spine and the proximal femur was measured using dual energy X-ray absorptiometry (DXA) in 1990 and again in 1993, 1997 and 2000. Annual rate of change in BMD (% per year) in the lumbar spine in men in their forties, fifties, sixties and seventies was 0.17, 0.55, 0.01 and -0.16, respectively, and in women, -0.87, -0.83, -0.48 and -0.48, respectively. Thus in men, BMD at the lumbar spine increased in all age strata but the oldest, when it decreased, whereas in women, it decreased in all age strata. On the other hand, BMD at the proximal femur decreased in both sexes in all age strata. Our results show that bone loss rates differ depending on the site involved, demonstrating that different strategies are needed for the prevention of bone loss in the spine and hip.Furthermore, we found evidence of differences in BMD for given age strata between birth cohorts. Data in 1990 and in 2000 showed significant improvements for men in their sixties and for women in their fifties, suggesting that future problems of osteoporosis might be less severe than has previously been predicted in Japan.

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Section: Discussionsupporting

confidence: 92%

Bone Loss at the Lumbar Spine and the Proximal Femur in a Rural Japanese Community, 1990-2000: The Miyama Study

Yoshimura

Kinoshita

Danjoh³

et al. 2002

Osteoporosis International

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“…One possible reason for high prevalence of GERD in elderly women in Japan may be osteoporosis and kyphosis. Elderly Japanese women tend to have a higher incidence of both osteoporosis and kyphosis than in men the same age [31] . Lumbar kyphosis is the major cause of stooped posture, and this may exacerbate the development of hiatus hernia, which is reported as a risk factor for GERD.…”

Section: Figurementioning

confidence: 98%

Prevalence of gastroesophageal reflux symptoms in a large unselected general population in Japan

Yamagishi¹,

Koike²,

Ohara³

et al. 2008

WJG

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AIM:To examine the prevalence of gastroesophageal reflux disease (GERD) symptoms in a large unselected general population in Japan. METHODS:In Japan, mature adults are offered regular check-ups for the prevention of gastric cancer. A notice was sent by mail to all inhabitants aged > 40 years. A total of 160 983 Japanese (60 774 male, 100 209 female; mean age 61.9 years) who underwent a stomach check up were enrolled in this study. In addition, from these 160 983 subjects, we randomly selected a total of 82 894 (34 275 male, 48 619 female; mean age 62.4 years) to evaluate the prevalence of abdominal pain. The respective subjects were prospectively asked to complete questionnaires concerning the symptoms of heartburn, dysphagia, and abdominal pain for a 1 mo period. RESULTS:The respective prevalences of the symptoms in males and females were: heartburn, 15.8% vs 20.7%; dysphagia, 5.4% vs 7.8%; and abdominal pain, 6.6% vs 9.6%. Among these symptoms, heartburn was significantly high compared with the other symptoms, and the prevalence of heartburn was significantly more frequent in females than in males in the 60-89-year age group. Dysphagia was also significantly more frequent in female patients. CONCLUSION:The prevalence of typical G ERD symptoms (heartburn) was high, at about 20% of the Japan population, and the frequency was especially high in females in the 60-89 year age group.

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“…Both reports in Japan are based on data obtained from the Adult Health Study (AHS) [7,8] Since 1958, the AHS subjects have been followed through biennial health examinations including physical examination, measurements of height and weight, chest X-rays, and others. In a recent report [8], incidence of spine fracture was determined among about 2300 participants in the AHS during 1994 and 1996.…”

Section: Incidence Of Spine Fracturementioning

confidence: 99%

Epidemiology of osteoporosis in Japan

Fujiwara

2005

J Bone Miner Metab

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The incidence of thoracic vertebral fractures in a Japanese population, Hiroshima and Nagasaki, 1958–1986

Cited by 34 publications

References 7 publications

Bone Loss at the Lumbar Spine and the Proximal Femur in a Rural Japanese Community, 1990-2000: The Miyama Study

Bone Loss at the Lumbar Spine and the Proximal Femur in a Rural Japanese Community, 1990-2000: The Miyama Study

Prevalence of gastroesophageal reflux symptoms in a large unselected general population in Japan

Epidemiology of osteoporosis in Japan

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