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Volume 16 (1961 - 196･･･
- Issue 6 Pages 451-
- Issue 5 Pages 385-
- Issue 4 Pages 297-
- Issue 3 Pages 153-
- Issue 2 Pages 89-
Volume 16, Issue 3
Displaying 1-7 of 7 articles from this issue
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Akira Yashiro1961 Volume 16 Issue 3 Pages 153-162
Published: August 10, 1961
Released on J-STAGE: February 17, 2009
JOURNAL FREE ACCESSAccording to the result of totally 10 time mass-screening examinations of pulmonary tuberculosis carried out annualy twice spring and fall during five years, the following conclusions were obtained.
1) Both the roentogenographically positive finding rate and prevalence rate of actual case had been decreased over a period of five years.
2) Cases of mixed form with exsudative and fibroid lesions, according the Oka roentonographic classification, was most apparently decreased in five years. In the forms of the hardnodular and calcified-scar lesions the rates did not any significant changes, and the form with the deformation by surgical operations increased by the spring 1957 and no change was observed after that. Occurrence of exsudative pleurisy was very seldom.
3) In the classification of guide standard, number of the patients with the A calss (off work required) and the class B (limitted working hour) remarkably decreased, and those of the class C (under supervision) relatively increased.
4) According to the classification by the Japan Society of Tuberculosis, no case with extensively advanced cavity form was found through the observation, and cases with not-advanced cavity form disappeard by the end of the observation. Also cases with the varied non-cavity form was obviously decreased. No apparent changes were shown in the unmber of cases with the stable non-cavity form and the recovered form.
5) The decrease of the number of cases with exsudative form seemed to be more apparent in the group of workers with medium physical work, compared with that group of desk workers. The increase of both the roentogenographically positive finding rate and prevalence of actual case was observed by the older years of age, and the trend was not so much varied through the five year observation.View full abstractDownload PDF (1051K) -
Akira Yashiro1961 Volume 16 Issue 3 Pages 163-165
Published: August 10, 1961
Released on J-STAGE: February 17, 2009
JOURNAL FREE ACCESSAudiometric examination was carried out on 178 workers working in noisy shops of our paper mill, and occupational hearing loss was found out among those workers as briefly mentioned below.
1) The number of workers with abnormal audiometric level (decrease more than 30db) was 31, 17.4% out of the subjects.
2) The abnormality rate increased by aging, and it reached 50% among those of 50 years or older of age.
3) When classified by the lenght of employment, those workers within 4 years and more than ten years were found to include more workers with hearing loss in comparison to those between 5 to 9 years. It was rather dificult to explain this result.
4) When the audiometric level at 4000 cycles per second among the abnormals was analysed, the average loss of decibel increased by aging. By the length of engagement, those of more than 15 years showed the higher loss of decibelView full abstractDownload PDF (267K) -
Junnosuke Urushibara1961 Volume 16 Issue 3 Pages 166-173
Published: August 10, 1961
Released on J-STAGE: February 17, 2009
JOURNAL FREE ACCESSA free travelling clinic for the rurae population was performed over a fairly long period of time in an area of Tochigi Prefecture by the staff of a hospital as a part of its social activities.
The following results were obtained by the examinations of tatally 4, 224 patients in 36 local places during the period of 5 years 1953∼1957.
1. The rate of those examined to the total population in each area varied considerably by the nature of social and geographical locality, being higher in mountain villages and in textiee industry districts than in farm villages and urban districts. It was also higher in the villages of small population, especially in doctorless ones.
2. Among those examined, females were more than males in number and persons over 40 years of age more than those of other age groups.
3. Prevalences of chronic discases such as rheumatism, hypertension and cardiac diseases occupied higher ranks among the diseases found by the examinations.
4. In mountain villages rheumatism, cardiac diseases and hypertension were most frequently observed; in farm villages peptic ulcer and bronchial asthma; and in urban districts hypertension and chronic gastritis.
From the standpoint of treatment and prevention of diseases, such epidemiological study as mentioned above is of worth to continue.View full abstractDownload PDF (886K) -
Sosuke Komatsu1961 Volume 16 Issue 3 Pages 174-180
Published: August 10, 1961
Released on J-STAGE: February 17, 2009
JOURNAL FREE ACCESS1. Blood pressure measurement of inhabitants of Koiwa Health Center district in Tokyo, was made and hypertension was studied on various professional groups.
2. Lower percentages of persons with hypertension were found among the people engaging in professions concerning public health such as barbers, beauty shop workers, restaurant and the provision shop workers. The reason is considered that they have more chances to receive health education from the health center.
3. A higher percentage of those with hypertension was found among farmers. The dietary unbalance and the excess of labor is considered to be the cause, and further health center activities are desirable.View full abstractDownload PDF (741K) -
Masakazu Kurata1961 Volume 16 Issue 3 Pages 181-188
Published: August 10, 1961
Released on J-STAGE: February 17, 2009
JOURNAL FREE ACCESSThe efficiency of man-machine system is influenced by the atmospheric conditions within which the human activities are carried out. One of the important aspect of the environments is that of temperature. Impairment of finger dexterity in various thermal conditions was observed by FD test and tapping rate. A marked drop of finger dexterity was showed at about below 23°C of dorsal hand skin temperature in spite of various outer environmental conditions. This level of the skin temperature was interpreted as additional evidence to the observations that seasonal variations of regional skin temperature, vascular reflex, and insensible perspiration of dorsal hand showed remarkable quantitative and also qualitative changes at about 23°C of skin temperature.
The decrement of manual dexterity is probably caused by some arm circulatory conditions.View full abstractDownload PDF (705K) -
Hiroyuki Kozukue, Saburo Terao1961 Volume 16 Issue 3 Pages 189-198
Published: August 10, 1961
Released on J-STAGE: February 17, 2009
JOURNAL FREE ACCESSAscaris eggs (removed the albuminous coats) in a water solution of acridine orange were observed under the fluorescence microscope. In case of live eggs, the shells fluoresced in pale green or greenish yellow, and the contents of the eggs were not visible. However, in case of dead eggs, the contents fluoresced remarkably in green, greenish yellow, yellow, orange or red. The contents of uncompleted and unfertilized eggs had the same fluorescence as the dead eggs.
The authors applied this phenomenon to the discrimination of dead from live eggs of Ascaris, and resulted in success. This fluorescence method could be used during any stage of development of the eggs.
Furthermore, the cause of difference in the fluorescent images between live and dead eggs was studied. In live egg, the shell did not permit the permeation of fluorochrome, but in dead egg, the degeneration of the egg-cell brought out autofluorescence and due to the degeneration of the inner layer of shell the fluorochrome permeated into the egg and brought out secondary fluorescence of the contents.
By the employment of the fluorescence method with the culture method together, the most rapid and exact discrimination may be possible.View full abstractDownload PDF (3025K) -
Saburo Terao1961 Volume 16 Issue 3 Pages 199-207
Published: August 10, 1961
Released on J-STAGE: February 17, 2009
JOURNAL FREE ACCESSBy the fluorescence microscopy, the auther studied on the relation between the phenomenon of the appearance of autofluorescent granules in living larvae of Ascaris eggs and the maturity of the larvae.
Results obtained as follows:
In the 8-9 days larvae after the formation of embryos, fine granules (0.5-0.9μ in diameter), in which faint yellow autoflurescence was observed, were found chiefly in contact with the intestinal cells. Such larvae increased during 10-13 days after the embryo-formation, and the fluorescence color changed to golden yellow. These autofluorescent fine granules were scattered or standing in lines along the intestinal cells.
On the other hand, by the infection test with mice, it was confirmed that the infective larvae remarkably increased during 8-13 days after the embryo-formation. From the above observations, it was considered that the appearance of yellow autofluorescent fine granules showed the maturity of the larvae.
The infective power got to the peak during 16-30 days after the embryo-formation, and it fell down gradually after that, and the autofluorescence of the granules changed to golden yellow accompanied with transformation to round masses.View full abstractDownload PDF (2815K)
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