3.1. Distribution characteristics of pressure sore pathogens in different stages
infection
INFECTION, PRESSURE ULCERS, PRESSURE SORE
Among the 88 patients with pressure ulcers, 62 cases were complicated with pathogen infection. These included 27 cases of stage II pressure sore and 35 cases of III to IV stage pressure ulcers with infection, with an infection rate of 70.45% (62/88). In patients with stage II pressure sores that were complicated with infection, a total of 27 strains of pathogenic bacteria were isolated, including 19 strains of Gram-negative bacteria (70.37%) and 8 strains of Gram-positive bacteria (29.63%). A total of 35 strains of pathogenic bacteria were isolated from patients with co-infection in the III to IV stage, including 23 strains of gram-negative bacteria (65.71%), 11 strains of Gram-positive bacteria (31.43%) and a strain of fungi (2.86%).