PubMed · 10156162
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1996. Computerized system allows lab orders at triage.. https://pubmed.ncbi.nlm.nih.gov/10156162/
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The anticipated introduction of universal antenatal screening can be expected to increase the workload of haemoglobinopathy laboratories throughout the country. We have devised a rule-based system to process those results that does not require skilled interpretation, thereby freeing staff time for more specialized work. The system relies on a calculated test to create a total haemoglobin peak value, which incorporates the values for HbA, HbA2 and HbF, the MCV and MCH from the full blood count. Each parameter has a series of defined ranges which, when subjected to an interpretation process within the laboratory computer system, generates an automated result text for the sample. During a 6-month verification period, the automated result interpretation system in conjunction with laboratory information systems (LIS) validation reduced the number of samples requiring manual review by 60%. The system was found to be 100% sensitive and 61.8% specific. We feel that the current specificity is acceptable in order to maintain a safe system. The ability to concentrate on potentially abnormal results will allow laboratories and health care workers more time to develop appropriate and timely frameworks to deal with abnormal results.
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The computer revolution has enormous potential to improve primary care in the areas of medical records, communication between physicians and patients, information sharing among health care providers, and rapid access to reliable medical information for both physicians and patients. A number of barriers must be overcome before computerization is widely embraced in primary care: e-health often takes too much time and is too expensive; the quality of Web-based medical information is inadequate; software programs may not interact with one another; patient privacy must be protected; public and private insurers rarely pay for electronic communication with patients; and the computer could interfere with the patient-physician relationship. Studies have shown that some computerized systems, such as reminder prompts and physician performance feedback, may improve physician performance and patient outcomes, but if these systems are too time-consuming, physicians may not use them. If primary care practices are to benefit from the electronic revolution, they must redesign their clinical processes to ensure that e-health facilitates rather than hinders the work of physicians.