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The Mystery of Increased Hospitalizations of Elderly Patients

机译：老年住院人数增加的奥秘

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This issue of Emerging Infectious Diseases contains 2 articles that report increases in England in the inci-dence of hospitalizations for specifi c diseases, one on pneu-monias (1) and the other on community-acquired staphylo-coccal diseases (2). Both articles report increases in disease among those >65 years of age.Trotter et al. found a 20%–39% increase in pneumo-nia-related hospitalizations in persons >65 years from April 1997 through March 2005 (1). These researchers found that the older a person, the greater the risk for pneumonia-related hospitalization. Those older patients with coexist-ing conditions, as measured by a severity-of-illness scale (the Charlson Comorbidity Index), were also more likely to be hospitalized than those with no such recorded con-ditions. What is surprising, however, is that although the percentage of patients with moderate or severe coexisting conditions increased over time, the percentage who died within 30 days of admission decreased slightly. It is hard to think of an advance in medical science (e.g., a new "won-der drug") within the period studied that would explain the stability of a 30-day mortality rate when hospitalizations among the frail elderly are increasing
机译：本期《新兴传染病》包含2篇文章，报道英格兰特定疾病住院治疗的发生率有所上升，一项涉及肺炎（1），另一项涉及社区获得性葡萄球菌疾病（2）。这两篇文章都报道了> 65岁的人群中疾病的增加。研究发现，从1997年4月至2005年3月，> 65岁的人群中与肺炎相关的住院治疗增加了20％–39％（1）。这些研究人员发现，年龄越大，与肺炎相关的住院风险就越大。通过病情严重程度量表（查尔森合并症指数）衡量的那些并存疾病的老年患者比没有此类病历的患者更有可能住院。然而，令人惊讶的是，尽管中度或重度并存疾病患者的百分比随时间增加，但入院30天内死亡的百分比略有下降。很难想像在研究期间内医学的进步（例如，一种新的“神奇药物”）可以解释当脆弱的老年人住院率增加时30天死亡率的稳定性

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