The prevalence of pressure ulcers in Dutch ICUs is high and their prevention is flawed, especially as regards the use of support systems. Patients for whom turning is indicated are not being turned. Predicting pressure ulcers in ICU patients is difficult and needs further investigation.
Although there is no hard evidence, it can be expected that interventions such as nutritional monitoring, guided exercise and leg elevation will have a substantial impact on wound healing in patients with venous leg ulceration. The use of eutectic mixture of local anaesthetic cream can be advised for pain relief with wound debridement. The current lack of effective pain treatment with venous leg ulceration emphasizes the need for effective pain treatment.
In chronic wounds, excess levels and activity of proteases such as elastase and plasmin have been detected. Oxidised regenerated cellulose/collagen matrix (ORC/collagen matrix) has been reported to ameliorate the wound microenvironment by binding and inactivating excess proteases in wound exudates. In this study, the levels and activity of elastase and plasmin in wound exudates of pressure sore ulcers were measured to determine the beneficial effect of ORC/collagen matrix treatment compared with control treatment with a foam dressing. A total of 33 patients with pressure sores were enrolled in the study and were followed up for 12 weeks after treatment. Ten control patients were treated with a foam hydropolymer dressing (TIELLE , Systagenix), and the remaining 23 patients were treated with ORC/collagen matrix plus the foam dressing (TIELLE , Systagenix) on top. Wound assessments were carried out over 12 weeks on a weekly basis, with dressing changes twice a week. Ulcers were photographed and wound exudates were collected on admission and at days 5, 14 and then every 14 days to provide a visual record of any changes in appearance of the ulcer and healing rate and for biochemical analysis of the wound. The levels and activity of elastase and plasmin were measured in wound exudates. Statistical analysis was performed using ANOVA and Bonferroni's post hoc test with P-values <0·05 considered to be significant. Compared with controls, ORC/collagen matrix-treated pressure sore wounds showed a significant faster healing rate, which positively correlated with a decreased activity of elastase and plasmin in wound exudates. No signs of infection or intolerance to the ORC/collagen matrix were observed.
If there are no strict contra-indications, lateral position has to be considered to prevent complications of continuous supine position within two hours after coronary artery bypass surgery patients have been admitted to the intensive care unit.
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