440
Participants
Start Date
August 4, 2025
Primary Completion Date
March 31, 2026
Study Completion Date
May 31, 2026
Heparin - Therapeutic dosage
Intra-arterial sheath injection of heparin 2500 units before operation
Saline (0.9% NaCl)
Intra-arterial sheath injection of 2mL saline (0.9% sodium chloride)
RECRUITING
Tongji Hospital, Wuhan
Xiang Luo
OTHER