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Dong Xian Yan
Pediatrics
About me
Chief physician, professor. Specializes in common and frequent pediatric diseases; pediatric respiratory diseases and critical care, emergency rescue, and difficult cases in children. Identified as one of the first group of academic and technical leaders to be cultivated in the health system of Ganzhou City; Vice Chairman of the Children's Severe Rehabilitation Committee of Jiangxi Disabled Persons' Rehabilitation Association; Member of the Pediatric Science Branch of Jiangxi Research Hospital Association; Executive Committee Member of the Pediatric Infectious Disease Branch of Jiangxi Research Hospital Association; Member of the First Allergy Study Professional Committee of Jiangxi Integrative Medicine Association; Executive Committee Member of the Pediatric Science Professional Committee of Jiangxi Research Hospital Association; Member of the Expert Group of Ganzhou City Pediatrics Quality Control Center; Member of the Expert Group on Hematologic Diseases and Malignant Tumors in Children in Ganzhou City; Principal investigator and participant in over 10 projects funded by the Provincial Health Commission and Ganzhou Science and Technology Bureau; Published over 20 professional papers, including 4 in core journals.
Proficient in diseases
Common and frequently-occurring diseases in pediatrics; pediatric asthma and emergency treatment of critical and difficult cases in children.
Voices
Does precocious puberty require growth hormone treatment?
For children with precocious puberty, a small number require combined treatment with growth hormones. For instance, if a child's height growth rate is less than 4cm, it is necessary to add growth hormones to promote growth and development. The second scenario involves using a bone age test; if the height is less than 151cm, growth hormones can also be used in combination for treatment. In the third scenario, if the child's bone age at the time of consultation has already exceeded 11.5 years, has significantly increased, or even if menstruation has started and their height has been clearly affected, it is generally advised to use growth hormones in combination with treatment.
What to eat for lactose intolerance as supplementary food?
Children with lactose intolerance should avoid adding foods containing lactose when introducing solid foods. Additionally, you can make some food at home for the baby, such as cooking thin porridge, boiling noodles for the baby, mixing a lumpy soup, etc. You can also give the baby small amounts of fruits and vegetables, but they need to be cut into small pieces or juiced before feeding. The main treatment for lactose intolerance is dietary therapy, which involves avoiding foods containing lactose to effectively control and alleviate the symptoms of lactose intolerance in babies, such as milkshakes, cheese, and other dairy products which should not be fed to the baby.
The precocious puberty stimulation test is used to check for what?
The precocious puberty stimulation test, also known as the luteinizing hormone-releasing hormone stimulation test. The method of examination involves administering an intravenous injection of gonadotropin-releasing hormone, followed by taking blood samples before the injection, and at 30, 60, 90, and 120 minutes after the injection. Serum levels of luteinizing hormone and follicle-stimulating hormone are measured to assess their peak values. This can diagnose whether the gonadal axis has been activated and is a reliable method for diagnosing precocious puberty.
What symptoms will appear in the pituitary gland with precocious puberty?
Children with precocious puberty should undergo a pituitary gland examination, which may reveal symptoms in two aspects: 1. Imaging examination such as pituitary MRI, which might uncover tumors in the pituitary gland that could lead to precocious puberty. 2. Hormone level tests, mainly involving the secretion of hormones controlled by the hypothalamic-pituitary-gonadal axis. For example, the secretion of gonadotropin-releasing hormone, luteinizing hormone, and follicle-stimulating hormone can cause precocious puberty. Precocious puberty is a relatively common endocrine disorder in children. Generally, it can be diagnosed in girls before the age of eight and in boys before the age of nine if secondary sexual characteristics appear.
Can children have glaucoma?
Children can develop glaucoma. Congenital glaucoma typically presents within the first year of life and is more common in boys. The disease onset before the age of two to three years leads to increased eye pressure, which results in the enlargement of the eyeball. This manifests as photophobia, tearing, and eyelid spasms. Once diagnosed, early surgical treatment is recommended. For children under three years old, the preferred surgical procedures are trabeculectomy or goniotomy. As children are in a developmental stage and have poorer overall tolerance, anti-glaucoma medications are only suitable for short-term bridging treatment.
The difference between precocious puberty and early development
It is generally believed that the development of breasts before the age of eight in girls, and the onset of menstruation before the age of ten; in boys, the development of testicles before the age of nine, appearance of secondary sexual characteristics, and accompanied by rapid physical development, are referred to as precocious puberty. Early development refers to the situation where, before puberty, not only the sexual organs but also other organs in boys and girls begin to develop simultaneously. Therefore, precocious puberty and early development not only differ in the age of onset but also focus more on whether the sexual organs are developing in coordination with the body's other organs. The differences lie not only in the timing but primarily in whether the development of the sexual organs is coordinated with the development of the body's other organs. If the sexual organs and the body's other organs are not developing in coordination, it indicates precocious puberty. If they are coordinated, and merely occurring earlier than usual in puberty, it is considered early development.