BACKGROUND The aim of this study was to evaluate the effect of dexamethasone added to local lidocaine infiltration on incidence and severity of backache after combined spinal-epidural anesthesia for gynecological surgery. MATERIAL AND METHODS We randomly allocated 160 patients to receive either local lidocaine infiltration along the pathway of the spinal-epidural needle (Group L) or local dex...

To determine the risk factors of the subjective symptoms experienced by chain saw workers, we surveyed 206 forestry workers using this device in their work. The strength of the relationship between their symptoms and such potential risk factors as occupational, behavioral, and physical factors was evaluated by a multiple logistic regression model. It was found that many years of chain saw opera...