an increasing trendP < 0.05
Changing trends in TcPO 2 and IRT in the two groups of patients TcPO 2 and IRT values in the experimental group were significantly different and showed an increasing trend compared with the control group at the same time point on day 1, 2, 3, 4, 11, and 18 of intervention (P < 0.05) ( Table 3 , Table 4).