Michigan Risk Score for PICC-Related ThrombosisLoading...Another central venous catheter presentNo0Yes+1WBC > 12.0 x 10^9/uLNo0Yes+1Number of PICC lumens102+13-4+2History of VTENever0Yes, > 30 days prior+2Yes, within 30 days+3Active cancerNo0Yes+3适用指征洞见与注意事项