Study Examines HCW Hand Hygiene Performed Before Invasive Procedures

A high compliance with hand hygiene especially before aseptic tasks (indication 2 in the WHO's 5 moments for hand hygiene) seems to be of greatest importance in order to minimize hospital-acquired infections and bacterial cross transmission. However, the majority of indication-specific analyses revealed the lowest compliance with indication 2. In order to evaluate hand hygiene events (HHE) before aseptic tasks, Scheithauer et al. (2013) correlated HHE at the patients' bedside and at the laminar air flow benches with the number of invasive procedures performed in the patient room and at the benches, respectively.

Real time and location-specific assessment of all HHE occuring at a hematology ward (University Hospital Basel, Switzerland) was performed from 01.03.12 to 28.02.13 using the Ingo-man Weco; Ophardt Hygienetechnik, Issum; Germany. The total number of HHE as well as all HHEs performed in the patient rooms and at the benches were correlated with the number of invasive procedures performed in the patients rooms (change of wound dressing; application of IV medications, blood withdrawel/puncture of vessels, lumbar/bone marrow puncture) and at the benches (preparing IV formulations) on a daily basis. Data on invasive procedures derived from the electronic patient data sheet.

A total of 208.184 HHE occurred, with 17.311 (8%) in the patient rooms. These figures translate into 57 HHE/ patient-day (PD) in general and to 5 HHE in the patient rooms/PD. However, a total of 65.981 invasive procedures (18/PD) were performed in the patient rooms. Calculating (at least) two HHEs for an invasive procedure at the patient side (indication 2 and 3) compliance was only 14% (5/36) for these indications. At the laminar air flow benches a total of 32.605 HHE (16%) were performed, translating into 9 HHE/PD. The number of aseptic tasks (indication 2 only) performed at the benches added up to 28.418 (8/PD). Thus, compliance while preparing IV medications reached 87%.

According to the researchers, compliance before aseptic tasks at the patient room seemed to be unacceptable low even at wards caring for high-risk patients; nevertheless, compliance for IV preparations performed at the laminar air flow seemed to be high. The latter may be explained by the great importance attached to these procedures.

Reference: Scheithauer S, Batzer B, Molina CP and Widmer A. Poster presentation P132 at the 2nd International Conference on Prevention and Infection Control (ICPIC 2013): Hand hygiene before aseptic tasks: a critical point even at a hematology and transplant ward. Antimicrobial Resistance and Infection Control 2013, 2(Suppl 1):P132 doi:10.1186/2047-2994-2-S1-P132
 

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