The acute pyelonephritis is one of the urinary infections, which physicians are confronted not infrequently at clinics and has become one of the foremost problems in medicine lately.
A Clinical study was performed on 154 cases of pyelonephritis seen at the Seoul Red Cross Hospital for 6 years from January 1968 to December 1973.
The results are as follow:
1) The ratio of male and female was 1: 4.5 and 54.5% of cases occurred in reproductive female, age of 20?40.
2) On urine culture, causative organisms were grown in 54.5% of cases.
In male, pyelonephritis was caused by Staphylococci (50%), E. Coli (41. 7%) and Diphtheloid bacilli (8.3%) in order, on the other hand, in female slightly more than two third of the cases were caused by E. Coli (66.7%) and by Paracolon bacilli (12%), Staphylococci (8%), Streptococci (4%) and Coliform bacilli (4%) in order.
3) In vitro, gram negative organisms were highly sensitive to Kanamycin and Ampicillin.
4) The common clinical symptoms were fever, flank pain, chillness, nausea, vomiting, indigestion, headache, and general malaise. The symptoms were subsided on the 5th hospital day and baccilluria was disappeared on the 7th hospital day in average.
5) The precipitating factors were recognized in 27.7% of cases and the major precipitating factors were ureteral obstruction, pregnancy, renal tuberculosis and diabetes mellitus in order.
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