Washcloths Effectiveness in Preventing Pressure Ulcers

Pressure Ulcer, Skin Ulcer

A monocentric cluster-crossover design has been used in this study to test the effectiveness of a 3-in-1 perineal care washcloth versus standard of care (e.g., water and pH neutral soap) to prevent and treat pressure ulcers in ICUs.

This study had a cluster-crossover design, where each of the two involved ICUs was the cluster. The genaral aim was to test the effectiveness of a 3-in-1 perineal care washcloth versus standard of care (e.g., water and pH neutral soap) to prevent and treat pressure ulcers in ICUs. The study has been articulated in two phases, lasted three months each. In the first phase, from the 1st of February to the 2nd of May, the 3-in-1 perineal care washcloth procedure has been adopted by the ICU of San Donato Hospital (Milan, Italy), while the Cardiovascular Intensive Care Unit (CVICU) continued to adopt the standard procedure (water and pH neutral soap). In the second phase, from the 2nd of May to 31st of July, the two procedures have been switched between the two wards. Adult patients (aged over 18 years old) requiring personal hygiene care (total or perineal) in ICU and CVICU of San Donato Hospital have been enrolled. Patients who present allergic reactions or sensitivity to the experimental procedure have been excluded. All the longitudinal data related to the presence/grading of pressure ulcer (PU) at every hygiene care (total or perineal) performed on the patients in ICU and CVICU have been collected. The primary endpoint of the study is represented by PU during the hospitalization in ICUs, whis is expected to be reduced from 10% in the experimental clusters. A sample size composed by 240 patients (120 patients/group) has been calculated, following methodological approach for difference between proportions. The sample size was calculated to be representative in observing a 10% decrease in the onset of PU, with a 80% power and an alpha error equal to 0.05. This approach led to the detection of a clinical relevant difference to compare the effectiveness between the two different procedures. Data collected for the study were recorded on data-collection sheets in hard copy format. Data were also collected after every hygiene procedure on patient-related characteristics, skin condition and general clinical status. The comparison between the two clusters (i.e. ICU and CVICU) will be performed using Student's t-test for the continuous variables and the χ2 for the categorical ones. Treatment effectiveness will be evaluated through the difference between proportions of IAD and PU in Period 1 and Period 2. A decrease in the onset of IAD and PU is expected as the main endpoint, considering a 95% confidence interval. The data will be compared using generalized estimating equation (GEE). The variables that might have an influence on the prevalence/incidence measures (i.e., patient's characteristics and ICUs management/staffing) will be monitored. The Period will be considered a within factor and the procedure/cluster a between factor. The α significance level will be preventively set at 5%. Data have been stored to a master file on the San Donato Hospital server. This is password-protected and only available to the Principal Investigator user. On completion of the project, identifying data have been removed from all the record.

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Italy