New Aspects in Regional Anesthesia 4

Major conduction blocks utilizing local anesthetics or opiates are find­ ing ever increasing applications in daily routine. However, two serious drawbacks are associated with their use: hypotension during surgery and the development of tolerance in long-term epidural analgesia. When opiates are injected epidurally or intrathecally, numerous side effects such as itching, nausea and vomiting, or res...