Maternal toe perfusion index change after spinal anesthesia for cesarean delivery correlates with a decreased oxygen partial pressure of the umbilical vein
1 Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China.
2 Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China. Electronic address: xuzf@shsmu.edu.cn.