As we know, there are risks in any surgical operation. Cochlear implant is a kind of surgical operation, of course, there are also risks. At present, there are many hospitals, large and small, doing cochlear implant surgery in China. Comparatively speaking, there is no obvious gap in technology. We recommend cochlear implant for overseas medical treatment, not only because its products are newer and its price is lower, but also because its surgical technology is more mature and its postoperative recovery is better.
Cochlear implant surgery is not only the operation of ears, but also the operation of facial nerve. Among the postoperative complications, the most common one is facial nerve damage, which will cause facial paralysis and other symptoms. At present, there are about 7 children who have surgery in 100 children. Because the electrode of the cochlear implant is like a cable, which should be inserted into the inner cochlea of the child through the facial recess. On the way through the cable, the facial nerve is around the facial recess. If the electrode is close to or touched with the facial nerve, after the cochlear implant is powered on, the current of the electrode will stimulate the facial nerve, resulting in the facial God of the child After damage, serious can cause facial paralysis. If this happens clinically, the general solution is to re implant, avoiding the implantation of electrodes in the facial nerve and other nerve parts. In overseas operations, the “nerve detection technology” is generally used to detect the facial nerve hidden in the bone and mark it during the operation, so as to avoid important nerves and prevent nerve damage after the operation.
The length and treatment of postoperative wounds are also effective ways to prevent postoperative complications. The skin flap necrosis, infection and other symptoms are easy to occur when the operation wound is too long. It is the second major complication of cochlear implant surgery. Because of the large incision in the process of operation, the susceptible area is larger, and the skin flap is more prone to swelling, cracking, and even the exposure of the implant, which will cause serious intracranial infection, with unimaginable consequences. If this happens, we suggest to take out the infected implant and re implant it clinically. In terms of wounds abroad, it is generally controlled at about 2.5cm. This kind of complications can be basically eliminated, and self ablative sutures can be used. Wounds heal naturally without suture removal.
Most of the children who need to be implanted with cochlear implant have relatively serious hearing, but the patients with total deafness are rare. That is to say, although the hearing loss of children is serious, the hair cells in the cochlea are more or less reserved, and the retained capillaries in the cochlea reflect the residual hearing of children. At present, the retention of residual hearing is generally related to two factors, surgical technology and cochlear implant products. The softer the electrode is, the more protective the hair cells of the residual cochlea will be. The key point of retaining the residual hearing is certainly the surgical technique of the surgeon. At present, the success rate of retaining residual hearing in China is about 50%, while the success rate of retaining residual hearing in foreign countries is between 80% and 90% due to the difference of medical level. Ensure the integrity of the child’s cochlea as much as possible.
In addition to the above three most likely complications, the complications of cochlear implant also include drug allergy, silica gel allergy, intracranial infection and so on, but it is not common in clinical. Allergy to anesthetics is one in 10 million, but if this happens, the consequences are serious. Overseas hospitals often prepare such antiallergic drugs. In case of emergency, tragedy can be avoided. The incidence of silica gel allergy and intracranial infection is less than 2% in clinic. This complication is not only the merits and demerits of operation technology, but also depends on the materials and technology of cochlear implant. The thinner the implant is, the less wear can be produced on the patient’s skull during the operation to protect the integrity of the skull and reduce the incidence of intracranial infection.
Any surgical operation is risky, but at present, the risk of overseas operation is smaller than that of domestic operation. After cochlear implant, if the implant part is not damaged, it will be used for life, so we can imagine its importance. Therefore, choosing a hospital with better surgical technology and less risk to operate is responsible for children and their future!
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Link：Is there any risk for children to have cochlear implant surgery
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