You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following are complications of epidural anaesthesia, EXCEPT: and explain in detail?
Inadveent injection of local anesthetic into a dural tear will result in a -total spinal or high block -manifesting as unconsciousness -severe hypotension, and respiratory paralysis requiring immediate aggressive hemodynamic management and control of the airway. A common complication of both spinal and epidural anesthesia is prolonged blockade of parasympathetic fibers that innervate the bladder with resultant urinary retention and the need for a urinary bladder catheter Ref: Dorian R.S. (2010). Chapter 47. Anesthesia of the Surgical Patient. In F.C. Brunicardi, D.K. Andersen, T.R. Billiar, D.L. Dunn, J.G. Hunter, J.B. Matthews, R.E. Pollock (Eds), Schwaz's Principles of Surgery, 9e.