Barnes Sue, Salemi Charles, Fithian Donald, Akiyama Lois, Barron Dana, Eck Enid, Hoare Kathy
Northern California Regional Infection Control, Kaiser Permanente, 1800 Harrison Street, Oakland, CA 94612, USA.
Am J Infect Control. 2006 Dec;34(10):669-72. doi: 10.1016/j.ajic.2006.04.207.
The National Nosocomial Infection Surveillance System (NNIS) has historically provided the infection control community with the most accurate benchmark for healthcare-associated infections. However, NNIS does not require postdischarge surveillance. For medical centers where comprehensive postdischarge surveillance is possible, the efficiency of surgical site infection (SSI) detection is enhanced and rates may be higher than those provided by NNIS.
From 1999 to 2004, a large integrated healthcare system (IHCS) used a standard surveillance methodology inclusive of the postdischarge period. This article compares IHCS and NNIS SSI data.
IHCS infection rates, stratified and weighted average (hip, 1.7; knee, 2.1) for the study period are higher than the corresponding NNIS rates (hip, 1.4; knee, 1.2) (hip, P = .006; knee, P = .012) when infections detected by the IHCS during the postdischarge period are included.
The data from the study period show that when comprehensive postdischarge surveillance is used by the IHCS, SSI rates are higher than those reflected in the NNIS database.
国家医院感染监测系统（NNIS）长期以来为感染控制领域提供了关于医疗相关感染最准确的基准数据。然而，NNIS并不要求进行出院后监测。对于那些能够进行全面出院后监测的医疗中心，手术部位感染（SSI）的检测效率会提高，且感染率可能高于NNIS所提供的数据。
1999年至2004年期间，一个大型综合医疗系统（IHCS）采用了一种包括出院后时期的标准监测方法。本文比较了IHCS和NNIS的SSI数据。
当纳入IHCS在出院后时期检测到的感染时，研究期间IHCS的感染率，分层加权平均值（髋关节，1.7；膝关节，2.1）高于相应的NNIS感染率（髋关节，1.4；膝关节，1.2）（髋关节，P = 0.006；膝关节，P = 0.012）。
研究期间的数据表明，当IHCS采用全面的出院后监测时，SSI率高于NNIS数据库中所反映的比率。
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