Severity and predicted outcome of postoperative Pseudomonas aeruginosa infections

The severity and predicted outcome of postoperative Pseudomonas aeruginosa (P. aeruginosa) infections (PPAI) was evaluated using a severity scoring system based on a simplification and modification of the APACHE II system. A total of 86 patients in whom P. aeruginosa was isolated from various source...

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Bibliographic Details
Published in:Surgery today (Tokyo, Japan) Japan), 1995-08, Vol.25 (8), p.672-678
Main Authors: KODAMA, T, YOKOYAMA, T, SHINBARA, K, MIYAMOTO, K, TATSUMOTO, N, MATSUURA, Y, TAKESUE, Y, OKITA, M, NAKAMITSU, A, HIYAMA, E, IMAMURA, Y, SANTO, T, MURAKAMI, Y, TSUMURA, H
Format: Article
Language:English
Subjects:
Adult
Aged
Bacterial diseases
Biological and medical sciences
Female
Human bacterial diseases
Humans
Infectious diseases
Male
Medical sciences
Middle Aged
Miscellaneous
Postoperative Complications - diagnosis
Postoperative Complications - microbiology
Postoperative Complications - mortality
Predictive Value of Tests
Prognosis
Pseudomonas aeruginosa - isolation & purification
Pseudomonas Infections - diagnosis
Pseudomonas Infections - microbiology
Pseudomonas Infections - mortality
Severity of Illness Index
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Summary:The severity and predicted outcome of postoperative Pseudomonas aeruginosa (P. aeruginosa) infections (PPAI) was evaluated using a severity scoring system based on a simplification and modification of the APACHE II system. A total of 86 patients in whom P. aeruginosa was isolated from various sources were examined. PPAI developed in 50 patients, resulting in an overall mortality rate of 24%. An increased severity score (SS) correlated with an increased risk of developing PPAI. Thus, PPAI developed in 33% of the patients with an SS of 0-1, in 66.7% of those with an SS of 2-3, and in 100% of those with an SS of 6 or higher. Moreover, the mortality rate of the patients with an initial score of 6 or higher was 50%. The mean (+/- SD) initial severity score was 5.4 +/- 2.9 for survivors and 2.9 +/- 2.6 for nonsurvivors (P < 0.01). In the patients who subsequently died, the SS remained high throughout the clinical course despite therapy, whereas in the survivors the SS decreased progressively, reflecting a favorable clinical course. These results suggest that our severity scoring system was useful for predicting outcome and monitoring the response of PPAI to therapy.
ISSN:0941-1291
1436-2813
DOI:10.1007/BF00311481