<human>: I have had chiari decompression surgery 2 years ago and then had to have a shunt put in...for the last couple weeks i keep getting pressure in my head and tingling in my head usually. on top my head and sometimes the tingling goes into my face..this keeps happening off and on and mostly when I m sitting and laying down..not sure if this is anything to be concerned about
<bot>: Hi, Welcome to Chat Doctor .com I am Chat Doctor.  I have readied your question with care and understand your concerns. Let me try to help you.  Question : What causes tingling in the brain post Chiara decompression surgery? Answer : It means nerves are regenerating. It is a Good Sign. Please inform this to your surgeon when you meet him for review Hope you found the answer helpful. If you need any clarification / have doubts / have additional questions / have follow-up questions, then please do not hesitate in asking again. I will be happy to answer your questions. Best Wishes for Speedy Recovery Let me know if I can assist you further. Take care.