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題 名 | Culture-proven Bacterial Meningitis in Elderly Patients in Southern Taiwan: Clinical Characteristics and Prognostic Factors=南臺灣經培養驗證的老年細菌性腦膜炎:臨床特徵及預後因子 |
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作 者 | 張家楨; 盧成憲; 黃致任; 莊曜聰; 蔡乃文; 陳淑芳; 張學文; 張文能; | 書刊名 | Acta Neurologica Taiwanica |
卷 期 | 15:2 民95.06 |
頁 次 | 頁84-91 |
分類號 | 415.9313 |
關鍵詞 | 老年; 細菌性腦膜炎; Klebsiella pneumoniae; Meningitis; Old-aged adults; Postneurosurgical state; Staphylococcus aureus; |
語 文 | 英文(English) |
英文摘要 | Abstract- The epidemiologic landscape of causative pathogens and clinical characteristics of bacterial meningitis varies with several clinical factors including preceding/pre-existent medical and/or surgical conditions, modes of contraction, geographic distributions, status of vaccinations, the study time periods and differences among age groups. In order to delineate the epidemiology of bacterial meningitis in senior adults (ages≥60y/o) in southern Taiwan, we analyzed the clinical characteristics and therapeutic outcomes of 64 senior adults (42 men and 22 women, aged 60-80 years) with bacterial meningitis collected over a period of 13 years at our hospital. The prognostic factors between fatal and non-fatal groups of patients were compared. Twenty-seven of the 64 patients belonged to a nosocomial infection group, and the other 37 comprised a community-acquired infection group. Sixty percent (39/64) of the patients had a post-neurosurgical state as the most preceding event prior to infection. Liver disease (13) and diabetes mellitus (6) were the most common underlying conditions of the other 25 patients with spontaneous meningitis. Of these 64 patients, Klebsiella (K.) pneumoniae (18), Acinetobacter baumannii (5), Escherichia coli (5), and Enterobacter species (5) were the most commonly implicated Gram-negative pathogens. Staphylococcus (S.) aureus infection was increasing during the study period. The therapeutic results of this group of patients showed a mortality rate of 38% (24/64). The presence of septic shock was the most significant prognostic factor. In conclusion, for this study group, a post-neurosurgical state was the single most important preceding event for senior adults developing bacterial meningitis. Of the implicated pathogens, K. pneumoniae and S. aureus were the most common gram-negative and gram-positive pathogens, respectively. The therapeutic result of this specific group of patients showed a high mortality rate; however, the small case number and possible bias of case selection have limited the analytical conclusions of this study. |
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