Controversies in Muscle Relaxants

I ' N THE TIME SINCE publication of a similar . article over a decade ago, many changes have occurred in the clinical use of muscle relaxants. New drugs have been introduced and have, to some extent, replaced older ones. Some concepts that were then controversial are better understood and are less problematic. New problems have, however, arisen. In this article the unsolved problems described in depth earlier will be briefly discussed and the new problems which have arisen will be presented at length.