23 February

CDC Abstract Summary 4th Decennial Conference

Özet :

NIS from WSNs are considered high-risk for bloodborne pathogen transmission. We evaluated a safety WSN (SafetyLok, BD) at an 1,100-bed hospital , previously reporting a 50% reduction in WSN related NIs by using a safety WSN. Subsequent to this trial the safety WSN was evaluated during a 16 month (6/1/98-9/30/99) post study period (total 27 month experience with this safety device). NIs were tracked using the NaSH exposure form; a survey of sharps disposal boxes was performed to assess usage and activation rates. The non-safety baseline period I (9/1/95-3/31/97) WSN NI rate was 13.41/100,000 WSNs (86 NIs/641.282 WSNs); the study period II (7/1/98-5/31/98) WSN NI rate was 6.87/100,000 WSNs (30 NIs/ 436, 180 safety WSNs); and the post study period III (6/1/98-9/30/99) WSN NI rate was 5.5/100,000 WSNs (39 NIs/710,652 safety WSNs). The post study WSN NI rate was 59% lower than the baseline period ( p<0.01). Analysis of post study safety NIs by procedure: 27 percutaneous venous puncture, 8 arterial puncture, 3 to insert a peripheral I.V. before disposal, 5 during or after disposal, 1 before use of the item. 23 occurred before mechanism activation was appropriate, the safety mechanism was not activated in 8, 5 occurred during the activation process. A survey of 627 disposed WSNs during period III revealed 627 (100%) safety WSNs, activation rate 71% (444/627). In conclusion, the Safety Lok (BD) WSN has remained consistently effective in reducing WSN related NIs for 27 months at our institution. Use of the Safety Lok WSN should prevent bloodborne pathogen transmission to HCWs. Compliance with proper activation procedures needs to be routinely stressed.

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