Cocaine use was also assessed by hair analysis. Data were available for 789 women. Hair analysis, in comparison with urine testing, for cocaine identified 4 times as many exposures among women who reported never using cocaine. The value of reporting therapeutic ineffectiveness as an adverse drug reaction Meyboom RHB et al. 99 Therapeutic ineffectiveness is a frequent drug-related problem that can occur in a variety of different situations and be caused by different mechanisms.
Examples are inappropriate use, interactions or metabolic abnormalities.
Observations in patients of unexpected ineffectiveness can provide important information with regard to such situations. A microbiological quality control study of parenteral nutrition is presented. The quality control study revealed a low incidence of contamination in parenteral nutrition preparation process. Evoked potential monitoring in anaesthesia and analgesia Kumar A et al. A review of this subject.