Patient's question:
Female, four years old, still cannot speak clearly, slow reaction, visited Harbin Medical University HospitalDoctor's answer:
The main clinical features of the affected child are intellectual disability, delayed physical development, and a distinctive facial appearance, which may also be accompanied by multiple malformations. Currently, there is no effective treatment for this disease, and long-term patient education and training should be provided to the child. Preventing infectious diseases and various communicable diseases, as well as early administration of oral vitamin B6, r-tyrosine, folic acid, and other supplements, can help improve function.