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Early detection of bacteria is important in order to prevent cystitis from developing into inflammation or infection involving the kidney and renal pelvis. The nitrite portion of the test strip can be used to screen individuals who are at risk for developing urinary tract infections, such as diabetics, persons with recurrent infections, or pregnant women. The test is also useful in evaluating the success of antibiotic therapy that is used to treat a bladder infection.

Rocourt J. Jacquet C. Reilly A.: Epidemiology of human listeriosis and seafoods. International Journal of Food Microbiology. 62:197-209, 2000While rarely diagnosed prior to 1960, more than 10,000 cases of listeriosis were recorded in the medical literature between 1960 and 1982, and thousands more have been reported annually world-wide. This widespread increase in reporting is most likely due to demographic trends and changes in food production, processing and storage, especially the extended cold food chain and the ability of Listeria monocytogenes to grow at low temperaturesL. monocytogenes is a bacterium responsible for opportunistic infections, preferentially affecting individuals whose immune system is perturbed, including pregnant women, newborns, people over 65 years, immunocompromised patients, such as cancer victims, transplant recipients, people on hemodialysis and AIDS patients.Thus, the increasing lifespan and medical progress allowing immunodeficient individuals to survive, partially explains the increasing incidence of listeriosis. Moreover, L. monocytogenes is ubiquitous and can grow at temperatures as low as 0 degrees C. At this temperature growth is very slow.The expansion of the agro-food industry, the widespread use of systems of cold storage and changes in consumers demands have led to a large increase in the pool of Listeria that can cause food-borne infections.

Can all drugs benefit from TDM? Not really. For TDM to be effective and useful, one or more of the following should apply: The effective concentration and toxic concentrations must be well-defined. The pharmacokinetics of the drug are known to be variable. The drug is given chronically. There is the potential for drug-to-drug interactions. The drug exhibits high protein binding. The toxicity will mimic the indication for the drug; toxicity may not be visible during an exam but will only be revealed with TDM. The patient is pregnant, very young, or elderly. Compliance or history with the drug is poor.

Collect venous blood for a fasting glucose level.Give the patient a standard dose of glucose, usually in the form of a beverage such as Glucola™ (Allegiance). Always follow your own procedure manual. In general:Give a 50 gram glucose dose to screen pregnant women at 28 weeks for gestational diabetes.Give a 75 gram glucose dose to nonpregnant adults.Give a 100 gram glucose dose to confirm the diagnosis of gestational diabetes.