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Volume 39, Issue 1
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Kimiko IKUTA, Akio UCHIDA, Jiro IWASAKI, Tadao ISHIGE1990 Volume 39 Issue 1 Pages 1-9
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSOver the three years from 1980 to 1982, investigations were carried out into the health conditions of inhabitants aged 30 to 69 in rural regions of Chiba Prefecture.
The major findings are as follows:
(1) Significant sex differences exist for many blood test findings.
(2) Significant correlations are found among values of many blood test findings.
(3) These values are analyzed by principal component analysis and some factors are extracted. First of them is found both men and women in all districts similarly and is identified as something of nutritional condition.View full abstractDownload PDF (979K) -
Hideaki NAKAGAWA, Yuchi NARUSE, Masaji TABATA, Yuko MORIKAWA, Masami S ...1990 Volume 39 Issue 1 Pages 10-15
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSTo study diffrences in dietary factors among communities with different living environments, we carried out a survey by the Cardiac Study method in 241 people (106 men and 135 women) aged between 50 and 54 years who were selected by random sampling from a total of 37, 000 inhabitants in a small city. The city was geographically divided into town, flatland farming area, and mountainous farming area, and the results of the survey were compared among these areas.
The mean Na excretion in 24-hour specimens of urine was slightly higher in the mountainous farming area than in the other two-areas. The mean serum total cholesterol was higher in men in the town than in those in the other areas.
Factor analysis of the data for nutrient intake patterns revealed a lower fat intake in the two farming areas than in the town in the men, and a higher intake of animal foods in the town and a lower fat intake in the mountainous area in the women.
These results show that risk factors for circulatory diseases such as urinary Na excretion, serum cholesterol level, and nutrient intake patterns differ even among small areas if the living environment differs.View full abstractDownload PDF (663K) -
An Analysis on Medical Expenses for the Elderly People in National Health InsuranceHiroji ESAKI, Norio NAKAYOSHI, Hiroshi UNE, Daisuke WATANABE, Masumi M ...1990 Volume 39 Issue 1 Pages 16-22
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSTo examine relationship between the family composition and medical expenses for circuration diseases in the elderly people who were 65 or more, we analysed the 1982 and 1983 data of medical expenses of national health insurance in the rural area of Fukuoka Prefecture.
The elderly people were classified into five groups according to whether they were living with their children and whether their spouse was alive.
The results were as follows:
1) In the elderly people who were living with their children, the medical expenses were low among those living with their spouses and high among those living without.
2) In the elderly people who were not living with their children, the medicalexpenses were low among the elderly men with their spouses and high among the eldrly women without.
3) In the elderly people who were living alone, the elderly men and women had low medical expenses in hospital services and ambulatory services.
4) The medical expenses for circulation diseases were more influenced by the presence of spouses than living with their children.View full abstractDownload PDF (842K) -
With special reference to classification of stones by macroscopic morphology and infrared absorption spectraAkira SUZUKI, Hikaru FUJIWARA, Hiroshi YOSHIOKA1990 Volume 39 Issue 1 Pages 23-27
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSThe present studies on gallstones, made by macroscopic morphology and infrared absorption spectra, were carried out in order to clarify recent features of cholelithiasis in rural district. One hundred and sixty-one stones obtained from 152 patients who had cholelithiasis, and who were operated-on at our clinics during the past 10 years, were used for this study.
The average age of the patients was 62 years, and about half of them were over 65 years of age. The patients included 100 women and 52 men. The types and frequency of gallstones are classified as follows: cholesterol stones, 50.9%; pigment stones, 40.4%(black stones, 7.5%; bilirubin stones, 32. 9%) and rare stones, 8.7%. Considerin sexual differences, the frequency of cholesterol stones was nearly 2 times greater in women than in men; on the other hand, that of pigment stones was nearly 2 times higher in men than in women. Regarding the age groups of the patients, although the incidence of cholesterol stones was greater in the group under 64 years of age than in the 65-year-old group, the incidence of bilirubin stones was 4 or more times higher in the latter group than in the former.
From the above observations it is suspected that one of the major reasons for the low incidence of cholesterol stones in rural districts, is because of the high percentage of elderly patients with cholelithasis in these areas. The incidence of black stones was not significantly greater in rural districts.View full abstractDownload PDF (528K) -
Shigeru TANAKA, Keishichiro IMAIZUMI, Yukio SEKI, Shun-ichiro IMAMIYA1990 Volume 39 Issue 1 Pages 28-32
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSSilicate compounds are added as extenders to dusts, flow dusts (FDs) and wettable powders, meaning that it can be predicted to contain free silica, which in turn affects the incidence of pneumoconiosis. The percentage of free silica content was measured by X-ray diffraction in 18 pesticides consisting of 3 types of dusts, 4 types of FDs and 11 types of wettable powders. As a results, free silica was identified in 14 of pesticides as follows: 22-34% in dusts, 3-11% in FDs and less than 1% to 20% in wettable powders. The percentages contained in the FDs were lower than in the dusts, probably because crystal structures became amorphous during the processing of FDs into super fine gradules with a mean particule size of 2μm.
The levels of dust exposure during spraying were measured with respect to Sumithion dust, Morestan FD and TPN FD by classifying them into respirable dust of less than 7.07μm in aerodynamic diameter (which is liable to be deposited in the lung) and total dust. When the concentration of a dust to which sprayers were exposed was compared with the TLV established taking into free silica content based on recommendation of the Japan Association of Industrial Health, the dust spray levels were 75-fold in the case of respirable dust and 53-fold for total dust, those for the spraying of FDs were 7-fold for respirable dust and 3-fold for total dust.
These results suggest the necessity of using pesticides with low free silica content. It is also considered necessary for sprayers to wear dust respirators.View full abstractDownload PDF (615K) -
Keiko NISHIKAWA, Masutoshi NISHIKAWA1990 Volume 39 Issue 1 Pages 33-35
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSA retrospective study was performed in 113 patients with allergic rhinitis who visited the out-patient clinic in the Department of Otorhinolaryngology, Shuto General Hospital during 1 year from January to December 1988.
Although our hospital is located in a rural city where was pollution-free and good environmental area, many patients with allergic rhinitis visited us. High positive reactions of allergic skin tests were Japanese ceder, house dust, ragweed and orchard grass. About 60% of patients visited first in February, March and April when was the season of Japanese ceder pollen scattering. From the above, it was considered that most of patients with allergic rhinitis who visited our hospital are Japanese ceder pollinosis.View full abstractDownload PDF (318K) -
Tetsuo MORIMOTO, Yukinori OKAZAKI, Minoru MIZUTA1990 Volume 39 Issue 1 Pages 36-38
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSHematological values were studied in cases of a thorough physical examination, chronic hepatitis and alcoholic liver injury. Cases of a thorough physical examination were a control group. Only thrombocyte count was decreased in cases of chronic hepatitis as compared with a control group. On the other hand a red blood cell count, MCV, MCH and neutrophils were changed significantly in cases of alcoholic liver injury. A red blood cell count was decreased, but MCV, MCH and neutrophils were increased. Correlation between MCV and each item of liver function tests was studied. No significantly correlated item was found in a control group and cases of chronic hepatitis, but GOT/GPT, LDH and CHE were significantly correlated in cases of alcoholic liver injury.View full abstractDownload PDF (299K) -
1990 Volume 39 Issue 1 Pages 39-42
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSDownload PDF (554K) -
1990 Volume 39 Issue 1 Pages 43-45
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSDownload PDF (403K) -
1990 Volume 39 Issue 1 Pages 46-51
Published: May 30, 1990
Released on J-STAGE: August 11, 2011
JOURNAL FREE ACCESSDownload PDF (710K)
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