In this study, tunneled PICC was compared with conventional PICC. Eligible subjects were randomly enrolled into the test group or control group by randomization (1:1), and observed and evaluated the occurrence of complications during and 7 ± 3 days, 30 ± 7 days, 60 ± 10 days, 90 ± 10 days, 120 ± 10 days (if any) after surgery and extubation at the end of treatment. To evaluate the clinical effect of tunneled PICC by comparing the rate of complications of the two groups of patients
To evaluate the clinical effect of tunneled PICC by comparing the rate of complications of the two groups of patients (tunneled PICC vs conventional PICC).