2.2.2. Interventions.
PRESSURE SORE, STERILE, DISEASES, PRESSURE ULCERS
The patients in both groups received active treatment for underlying diseases. Nutritional support and regular body-turning training were provided according to surgeon’s advice. The ward was well-ventilated and the bed sheets were kept dry. Pressure ulcers in different stages were treated with corresponding cleaning, disinfection, and debridement.LPPL was applied using Super Lizer (HA-2200 LE1, Tokyo Iken Co. Ltd). A linear polarized light source (Bioptron lamp) with the following technical parameters was used: energies delivered were typically 4 J/cmThe combination group was treated with the sulfadiazine silver cream (Kunming China Resources Shenghuo Pharmaceutical Co., Ltd., GYZZ H20057720) on the basis of the LPPL group. The sulfadiazine silver cream was applied on the pressure sore surface with a thickness of about 2 mm, before being wrapped and fixed with a sterile gauze. According to the exudate, the dressing was changed once every 2 to 3 days, for 2 weeks.