Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Rehabilitation Department The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Department of Anesthesiology The Second Affiliated Hospital of Xuzhou Medical University Xuzhou 221000 Jiangsu Province China;
Suprainguinal fascia iliaca block; Elderly patients; Total hip arthroplasty; General anesthesia recovery; Postoperative pain;