Abstract
We described general idea of influenzal pneumonia. and indicated that complication with pneumonia was less than 5% when Asian influenza raged, which was comparatively low. And then we reported our clinical experiences in 13 cases of influenzal pneumonia (12 cases of influenza A, 1 case of influenza B) who were, from 1957 to the first half of 1961, diagnoses at the department of internal medicine in the Sagamihara National Hospital.
Results
1) The cause of 6 cases were considered to be complications, while the other one was regarded as overwork.
2) Attack of the disease always followed the influenza.
3) Body temperature of the patients was 39°C level. Many of them developed congh, phlegm and chest pain. Physical abnormalities were positive in many of the patient's chests.
4) Pneunonia was recognized in lower area of lung; especially of the right lung.
5) While blood count was normal or near normal, and red cell sedimentation rate increased. Bacteriological examination of 7 cases' phlegm revealed staphylococcus in 5 cases, β-hemolytic streptococcus in 1 case and pneumococcus in 1 case.
6) Drugs were administered and effective in 4 cases out of 8, which was assumed the occurence of secondary infection.
7) As for seasonal distribution, this disease was found frequently in spring and next both in fall and in winter.
We also reported one case of influenzal pneumonia and one pneumonia case (mild type) of mixed infection of influenzal virus with bacteria.