The effects of intravenous anesthetics on mouse embryonic fibroblast viability and proliferation.

Purpose: The aim of this study is to evaluate the cytotoxic and antiproliferating effects of intravenous anesthetics on an mouse fibroblast in vitro cell culture system.

Methods: The cells were exposed to the usual clinical plasma concentration of intravenous anesthetics, i.e.

Posterior auricular pain caused by the trigger points in the sternocleidomastoid muscle aggravated by psychological factors -A case report-.

Psychological factors play a significant role in the pain mechanism, and psychological approaches may be useful complements to traditional medical and surgical treatments in pain management. The authors report a case of recurrent severe posterior auricular pain caused by trigger points in the right sternocleidomastoid muscle and influenced by stressful psychological situations (e.g.