This report consists of an analysis with observations of 526 consecutive operations for acute or chronic mastoiditis which were performed in the services of otology and pediatrics in the same hospital on 466 patients from 1930 to 1939 inclusive. No attempt was made to differentiate between patients treated with sulfonamide compounds and those not so treated, although patients receiving such therapy during the last few years were included. However, the much lower average in the number of operations during the last three years than during the first seven years may be due to the general use of these drugs.
There were 342 mastoidectomies on 288 patients with acute mastoiditis and 179 radical mastoidectomies on 173 patients and 5 modified radical (Heath) mastoidectomies on 5 patients with chronic mastoiditis. Thus 65 per cent of the operations were for acute mastoiditis and 35 per cent for chronic. In addition to those mentioned,
TOWSON CE. ACUTE AND CHRONIC MASTOIDITIS: CLINICAL ANALYSIS OF FIVE HUNDRED AND TWENTY-SIX CONSECUTIVE OPERATIONS. Arch Otolaryngol. 1943;38(1):32–48. doi:10.1001/archotol.1943.00670040041005
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