urgent! My baby needs a lumbar puncture. Will this surgery damage the brain?

A lumbar puncture is the usual way to obtain cerebrospinal fluid. The purpose of taking cerebrospinal fluid is to diagnose certain neurological disorders through laboratory tests. Lumbar puncture is a common technique used in pediatrics and neurology. There are certain indications for lumbar puncture: (1) children with unexplained twitching or coma; (2) infants with full bregma with fever, crying and screaming, straight eyes and other symptoms; (3) elderly children with meningeal irritation signs such as neck stiffness and Projectile vomiting; ④ In the course of treatment of meningitis, lumbar puncture must be performed to determine the curative effect according to the dynamic changes of cerebrospinal fluid. If there are any of the above indications, the doctor will conduct a puncture after careful analysis, confirming that it is necessary to conduct an examination, and obtaining the consent of the family. For lumbar puncture, the doctor uses a lumbar puncture needle suitable for the age of children. After the skin on the back is disinfected, local anesthesia is performed, and then the 3-4 or 4-5 intervertebral space of the lumbar spinous process is punctured into the subarachnoid space, and the cerebrospinal fluid is self-acupuncture. The holes flow out naturally. After the cerebrospinal fluid is obtained, the appearance, pressure, cytology and biochemical examinations are carried out to assist doctors in the diagnosis of central nervous system diseases such as encephalitis and meningitis, and to determine the nature of the disease, such as purulent or tuberculous, to guide treatment and medication and observe the efficacy during treatment. In addition, intrathecal injection of isoniazid and other drugs can be used to treat tuberculous meningitis, and chemotherapy drugs can be injected to treat central nervous system leukemia. A subarachnoid block (spinal anesthesia) is also anesthesia administered through a lumbar puncture. Although lumbar puncture is a traumatic examination, it generally does not damage the lumbar spine and surrounding tissues, let alone damage to the brain and spinal cord. Parents should not listen to the unscientific statement that "after a lumbar puncture, you will become stupid" and refuse the doctor's examination to avoid The delay in diagnosis and treatment is regrettable for life. Because the puncture only passes through the ligament and dura mater from the lumbar spinous process to the subarachnoid space, the cerebrospinal fluid can be seen flowing out. Only 2 to 3 ml of cerebrospinal fluid is taken each time, which will not have any effect on children. Children with neurological diseases, because the disease itself damages nerve cells, causing dysfunction and ignorance, not the result of lumbar puncture. After lumbar puncture, children should keep their head low and hips high; do not raise their head, and lie on their back after lumbar puncture 4 hours to avoid headaches.

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