The risk factor is quite low with Regional anesthesia, and local anesthesia. But if your surgery requires the use of general anesthesia, then you should let the anesthesiologist know everything about the medical conditions you have. For example, you should discuss whether you have any allergies, high blood pressure problems, heart health problems, asthma, COPD, weakness in muscles, Reacted to anesthesia in the past, or anything like that before you get general anesthesia.