<s>[INST] Hi,      Doctor I am writing this queries for my firend, he has been suffering from menintise, Now docters saying Cerebrospinal fluid is blocked in one valvem, and it is necessary to do a surgery for inserting shunt.      Is there any other option for cure this dusease ?      Is there any risk on fixing this shunt ?      Is this fixing for lifetime ?.            waiting for your response      Thanks      friend [/INST] Hello, Surgery will be the treatment of choice. If you delay the procedure, the pressure inside the brain will increase rapidly and it will cause adverse effects. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr Shinas Hussain, General & Family Physician </s>