نتایج جستجو برای: radiography
تعداد نتایج: 19528 فیلتر نتایج به سال:
OBJECTIVE To, assess the emergency department use of cervical spine radiography for alert, stable adult trauma patients in terms of utilization, yield for injury and variation in practices among hospitals and physicians. DESIGN Retrospective survey of health records. SETTING Emergency departments of 6 teaching and 2 community hospitals in Ontario and British Columbia. PATIENTS Consecutive...
abstract background and aim: cone beam computed tomography (cbct) produces high-quality data in periodontal diagnosis and treatment planning. the aim of this study was to compare the accuracy of cbct with intraoral digital and conventional radiography in the measurement of periodontal bone defects. methods and materials: in this diagnostic research, two hundred and eighteen artificial osseous ...
Objective To test the hypothesis that radiography of the lumbar spine in patients with low back pain is not associated with improved clinical outcomes or satisfaction with care. Design Randomised unblinded controlled trial. Setting 73 general practices in Nottingham, north Nottinghamshire, southern Derbyshire, north Lincolnshire, and north Leicestershire. 52 practices recruited participants to ...
In the two years after an ultrasound service was introduced at this hospital obstetric referrals for abdominal radiography decreased by over 55%. Most of these were for estimation of fetal maturity. Out of 349 such patients subjected to radiography in 1976, 176 had already been examined by ultrasound; in only four did radiography appear to influence management. We believe that if a satisfactory...
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