Accuracy of fecal occult blood test interpretation

Article Abstract:

Testing for occult, or hidden blood, in the stool is a common clinical practice. If the test is positive for blood, further investigation for cancer or other gastrointestinal abnormalities is usually performed. Small cards containing paper impregnated with a certain chemical are smeared with a small amount of stool, and then a liquid is added. In a positive test, the sample turns blue, indicating the presence of blood in the stool. A one-hour proficiency test to instruct users in the mechanics of performing and interpreting the test was developed and administered to 24 clinicians. This proficiency test dramatically improved the accuracy of the interpretations, from 60 percent correct interpretations before the proficiency test to 91 percent correct after. This accuracy was maintained, as 91 percent of the interpretations performed six to nine months after the proficiency test were still correct. Thus, this brief instructional test was effective in improving the accuracy of interpretations in both the short and long term. (Consumer Summary produced by Reliance Medical Information, Inc.)

Testing, Medical examination, Feces, Fecal occult blood test

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Colonic polyps, cancers, and fecal occult blood

Article Abstract:

The relationship between fecal occult blood testing (FOBT) (screening for blood in the feces), colorectal polyps and colorectal cancer is unclear. A research study found that some colorectal polyps may be malignant despite appearing benign for many years. Many individuals with a malignant colorectal polyp may not experience any symptoms over an extended period of time. Colorectal polyps may be malignant from the start rather than undergoing transformation into a cancerous lesion. Approximately one-third of individuals over 50 years old have colorectal polyps, but most never develop into colorectal cancer. The risk of developing cancer increases with the size of the polyp. Another research study found that FOBT may decrease the risk of death from colorectal cancer. The benefits of FOBT decrease depending on the stage of cancer at the time of diagnosis and several other factors.

Editorial, Diagnosis, Measurement, Development and progression, Colorectal cancer, Intestinal polyps

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The difference day-care makes

Article Abstract:

The Gatehouse Assessment Centre, Warrington, England, was established to give mentally ill people a different type of care to traditional psychiatric hospitals. The centre is run by various staff who specialize in the care of the mentally ill. Its main aims are to reduce admissions to hospital and give better patient care. A nearby facility offers in-patient care. A patient attending the Gatehouse costs 65 pounds sterling which is 71 pounds sterling less than the cost of in-patient psychiatric services. Some 44% of people attending the Centre had not had any previous psychiatric treatment.

Health aspects, Services, England, Psychiatric nursing, Psychiatric facilities

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