منابع مشابه
Value of routine ultrasound scanning at 19 weeks: a four year study of 8849 deliveries.
OBJECTIVE To evaluate the effectiveness of routine ultrasound scanning at 19 weeks' gestation in an unselected population in terms of accuracy of detection of fetal structural abnormality and the effect on obstetric and neonatal care. DESIGN Prospective study over four years. Scans performed by radiographers with overall supervision by a radiologist. SETTING Ultrasound department of distric...
متن کاملRoutine Ultrasound Screening
Unruptured abdominal aortic aneurysm (AAA) is seldom recognized. Thus it is difficult to know whether the incidence of AAA in the general population is high enough to warrant routine screening at least in men after a certain age. Ultrasound screening studies to evaluate the incidence of AAA have been carried out in several English-speaking and Scandinavian countries. The purpose of this report ...
متن کاملRoutine obstetric ultrasound services.
Antenatal ultrasonography is widely used in pregnancy to assess fetal growth, wellbeing and anatomy. Although ultrasound screening is now an integral part of routine antenatal care, recommendations for the delivery of obstetric ultrasound vary from country to country. A recent survey of English maternity units reported that 100% of women are offered routine mid-trimester fetal anomaly scanning,...
متن کاملDoes routine ultrasound scanning improve outcome in pregnancy? Meta-analysis of various outcome measures.
OBJECTIVE To evaluate the effectiveness of routine ultrasound scanning in pregnancy by a meta-analysis of various outcome measures. DESIGN Meta-analysis of randomised controlled trials evaluating the effect of routine ultrasound scanning on perinatal mortality and morbidity. Live birth rate (that is, live births per pregnancy) is included as a measure of pregnancy outcome in addition to the c...
متن کاملCost analysis and implications of routine deep venous thrombosis duplex ultrasound scanning after endovenous ablation.
BACKGROUND Duplex ultrasound (DUS) is performed by the majority of physicians after endovenous ablation (EVA) of the great saphenous vein to screen for endovenous heat-induced thrombosis (EHIT) at the saphenofemoral junction extending into the femoral vein. Several factors should be considered in assessing the value and cost of routine DUS after EVA: the natural history of EHIT is poorly define...
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ژورنال
عنوان ژورنال: BMJ
سال: 1992
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.305.6853.583-e