Criteria of inclusion and exclusion
fracture, paresthesia, cardiovascular or hepatic or renal dysfunction, cognitive and nervous system disorders
PARESTHESIA, DRUG ALLERGY
Inclusion criteria: ① Patients were diagnosed with a lateral condylar humeral fracture according to Human Bone Science [Exclusion criteria: ① patients without severe cardiovascular or hepatic or renal dysfunction; ② patients with immune function, coagulation function and severe inflammatory reaction; ③ Patients with cognitive and nervous system disorders; ④ For anesthesia drug allergy, patients with contraindications to surgery; ⑤ Patients with paresthesia and motor nerve injury; ⑥ Patients who did not complete the treatment and were transferred midway.