[in Japanese]

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Statistical analyses on out-patients, in-patients and operations were reported. The incidence of important clinical diseases were as follows: lower urinary tract infection of 23.6%, upper urinary tract infection of 8.0%, urinary calculus of 9.0%, benign prostatic hypertrophy of 5.0%, urogenital neoplasma of 4.0%, urogenital tuberculosis of 2.4% in out-patients from 1969 to 1973. The numbers of out-patients and in-patients were increasing year after year, especially in urinary calculi, urogenital neoplasmas and benign prostatic hypertrophys. Total numbers of surgery excluding examinations and needle biopsies were 605, with 456 males and 149 females. Main operative statistics were as follows: numbers of surgeries of kidney and ureter 218, those of urinary bladder 70, those of prostate 136, those of plastic operations with large and small intestine 28, those of penis, testicle, epididymis and urethra 115, those of adrenal 3, and others 25. Regarding those data, our roles to this district and medical system were discussed.

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Open surgery in 107 cases with prostatic hypertrophy and TUR in 97 cases with prostatism were performed at the Urological Department of Ibaraki Central Hospital during 1963 to 1973. Main statistics were as follows: Mortality rates of open surgery and TUR were 1.9%(2 cases) and 0%, respectively. Average ages of operated patients in open surgeries and TUR were 70.0 and 70.7 years old. Average bleeding amount in 47 cases (from 1971 to 1973) of suprapubic prostatectomy was 340ml. with operative time of 73minutes. The results of enquete showed that voiding power after operations was improved subjectively in all patients but one case treated by open surgery and all patients but 2 cases treated by TUR, respectively.
Regarding these data, problems of prostatic diseases and surgeries were discussed. Total numbers of prostatic diseases in Ibaraki district in 1972 were 464 cases (21.7/100, 000 population), with 64 cases of prostatic cancer (3.0/100, 000 population, or 32/100, 000 population over 50 years old male), 359 of benign prostatic hypertrophy and 41 of bladder neck contracture.

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Each of the 1, 000-times dilute solution of both drugs, Salithion and Sumithion, were experimentally sprayed over rabbits in vinyl greenhouses at a rate of five hours a day for three consecutive days. Changes in the residual quantity of the drugs in the blood and also in the quantity of PNMC, a metabolite of Sumithion in urine, were measured with the passage of time after the spraying. At the same time, the liver functions of the rabbits were checked and they were also subjected to a urinalysis and a pathohistological examination. The conclusions drawn from these studies are as follows:
1) No abnormal findings were observed on the appearance of the rabbits exposed to Salithion and Sumithion. Nor were there any abnormalities in the ophthalmologic findings, especially, in the funduscopic findings, at 10 and 30 days after the spraying of these drugs.
2) The residual quantity of both drugs in all the experimented rabbit's blood was measured immediately after the spraying. However, these drugs later disappeared rapidly from the blood, and they could not be detected 10 days after the spraying.
3) There was a significant rise in the quantity of PNMC 24 hours after the spraying. Later, it decreased rapidly. Ten days after the spraying, its values returned to normal level before the spraying.
4) With respect to the serum ChE level, the changes in the groups exposed to Salithion and Sumithion were the same as those in the control groups. So, any influences were not observed on serum ChE by the spraying of these drugs.
5) In the liver function test, urinalysis and pathohistological examination, no abnomal findings attributable to the inhalation of both drugs were observed.
6) The drug concentration in the air in the vinyl greenhouses at the time of their spraying was 61.5μg/m³ for Salithion and 30.1μg/m³ for Sumithion.

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1) 208 patients who had external ocular bacterial infections (conjunctivitis, holdeolum, dacryocystitis) were observed on organismus, sensitivitis test and therapeutic effect from 1972 to 1974 on rural area in Nagano prefecture.
2) The most common organismus was Staphylococcus epidermidis (23.1%) Haemophilus influenzae, Staphylococcus aureus, α-Streptococcus and Diplococcus pheumoniae were found in more than 10%. Pseudonomas aeruginosa and Klebsilla were not found. This tendency was seen in the city previously.
3) Cases of 2 or more organismus isolated found in 37%, this percentage was higher than previous paper.
4) The results of sensitivity test showed the most effective antibiotics were KM and GM.The most effective instillation was KM.

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In the insured of the agricultural cooperative life insurance program (12, 156, 022 cases), 12, 588 persons were involved in accidents in 1973 fiscal year. The following analysis was conducted on these 12, 588 persons with special reference to the 2, 218 persons who were involved in farm machine accidents.
1. There were 3, 945 cases of traffic accidents. Of them, there were 2, 499 deaths and the fatality ratio stood at as high as 63.3%. There were 57 cases of traffic accidents involving farm machines. Of them, there were 42 deaths and the fatality rate was evidently high with 73.6%
2. There were 54 deaths caused by farm machines excluding those caused by traffic accidents. Of them, 45 were caused by cultivators. The ratio was extremely high with 83.3%.
3. Of the 45 deaths caused by cultivators, 26 were the cases in which the operators were pressed by fallen cultivators. In 13 cases, the operators were caught in between the machine and tree or building.
4. There were the other 2, 164 cases of farm machine accidents in which the patients were later seized with sequelae. Of these cases, 564 cases (26.0%) were caused by cultivators, 379 cases (17.5%) by thrashing machines and 316 cases (14.6%) by reapers. The accidents caused by these three types of machines accounted for 1, 259 cases (58.1%).
5. In the overwhelmingly large portion of the cases of accidents, sequelae broke out in fingers. Thus, 89.6% of those who were involved in machine accidents suffered from sequelae in fingers.
6. There were 1, 939 cases of finger accidents, of which 1, 032 accidents were caused by machine belts and 441 by machine blades. The accidents caused by these two items accounted for 75.9%.
7. From the statistical analysis, it might be said that the correlation coefficients between the number of farm machines available in a given area and that of accidents are less significant for cultivators and reapers, and that the environmental and working conditions are just as important elements as the number of machines.

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