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題 名 | 菌血症之出現與大腸桿菌造成的急性腎盂腎炎的疾病嚴重度相關=The Presence of Bacteremia Correlates with Disease Severity in Patients with Acute Pyelonephritis Caused by Escherichia Coli |
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作 者 | 許智揚; 方華章; 周康茹; 陳建良; 李柏蒼; 鍾孝民; | 書刊名 | 臺灣腎臟醫學會雜誌 |
卷 期 | 19:2 民94.06 |
頁 次 | 頁68-73+93 |
分類號 | 415.8135 |
關鍵詞 | 菌血症; 疾病嚴重度; 大腸桿菌; 急性腎盂腎炎; Bacteremia; Disease severity; E. coli; Acute pyelonephritis; APN; |
語 文 | 英文(English) |
英文摘要 | Background: Whether the presence of bacteremia or not has the implication for a severe infection in patients with acute pyelonephritis (APN) remains uncertain as yet. To investigate the relationship between the presence of bacteremia and disease severity in community-acquired APN caused by Escherichia coli (E. coli), we performed a retrospective study to compare clinical presentations, treatment response, and outcome in APN cases caused by E. coli between those with and without the presence of bacteremia. Methods: The medical records were reviewed in all cases diagnosed as community-acquired APN caused by E. coli, from January, 2003 to December, 2003, at Kaohsiung Veterans General Hospital. A total of 85 hospitalized APN patients were enrolled, all of whose blood and/or urine culture grew E. coli. Results: Among these patients, 39 patients (46%) were bacteremic and 46 (54%) were non-bacteremic. The factors that correlate with the presence of bacteremia including: increasing age, diabetes mellitus, longer duration of chills, presence of severe sepsis, more band form in neutrophils, reduced platelet count, renal function impairment, and lower level of serum albumin. Using a multivariate logistic regression analysis, lower level of serum albumin (odds ratio 0.06; 95%, CI: 0.01-0.38, P value=0.003) and presence of severe sepsis (odds ratio 4.90, 95% CI: 1.08-22.20; P value=0.039) were found to be the independent factors associated with bacteremia. In response to treatment, the bacteremic group took a longer duration to become defervescent than the non-bacteremic group (P value=0.004). Also, the bacteremic group had a greater mean duration of intravenous antibiotics administration and longer hospital stays (P value<0.001). No mortality occurred in the study patients. The recurrence rate of urinary tract infection was similar in the two groups (P value>0.05). Conclusion: In hospitalized APN patients caused by E. coli, the presence of bacteremia indicates a severe disease (i.e. sepsis-related) and correlated with longer duration of intravenous antibiotic therapy and hospital stays. |
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