Biomedical subjects
Publications and source records attributed to L P Readman.
Offering women the option of attending for breast screening on Saturday did not increase the rate of uptake in a study performed in a city site in Manchester, UK.
We undertook a survey of 2555 outpatients (both new and review) to look at the reasons for high non-attendance (DNA) rates. Completed questionnaires (n = 983, 38.5% response) indicated the main reasons: forgetting or not receiving the appointment because of illness, and less often because of feeling better; transport problems; and short notice. Our remedial actions included improving the clerical system, announcing DNA rates on a regular basis in GP surgeries and in the outpatient department, introducing a tear-off slip with the appointment letter for patients to return, installing a free answerphone, active GP/consultant involvement in DNA-related problems and local publicity campaigns. A new scheme in our trust--outpatient telephone follow-up--may also help in reducing DNA rates.
There is growing public and professional concern over the risks of medical ionizing radiation. It is therefore important to examine our procedures for ways in which we can reduce radiation dose to patients and staff. We surveyed 48 catheter laboratories nationwide to establish the range of practice in performing "routine" coronary angiography and left ventriculography. There were wide variations in the numbers of views obtained, mean ciné film lengths and mean fluoroscopy times. Despite the recommendation of the National Radiological Protection Board, only five of the 36 centres responding were able to provide estimates of patient radiation dose per procedure. Calculations of maximum and minimum patient doses, based on ciné film length and fluoroscopy time, show a fourfold variation between hospitals. Using the concept of estimated dose equivalent, the predicted lifetime fatal cancer risk for a routine examination ranges from 1/16,600 to 1/4300. As a preliminary step in radiation dose reduction we have used this survey data to suggest how a typical coronary angiogram and left ventriculogram might be performed.
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