The Use of an Integrated Website to Enhance the Educational Experience in a Medical School Radiology Clerkship Course.

The purpose of this study was to demonstrate the feasibility of creating an integrated website for the medical students enrolled in a core radiology clerkship and to assess the impact of this website on students' overall educational experience. An integrated website was created for the medical students and hosted on the main departmental website. The components of the website included: announcements and password-protected schedule, curriculum, student assessment, information about different radiology sections, digital resources, and fourth year opportunities.

Current definitions of hypotension do not predict abnormal cranial ultrasound findings in preterm infants.

Objective: Hypotension is a commonly treated complication of prematurity, although definitions and management guidelines vary widely. Our goal was to examine the relationship between current definitions of hypotension and early abnormal cranial ultrasound findings.

Methods: We prospectively measured mean arterial pressure in 84 infants who were < or = 30 weeks' gestational age and had umbilical arterial catheters in the first 3 days of life.

Fluctuating pressure-passivity is common in the cerebral circulation of sick premature infants.

Cerebral blood flow pressure-passivity results when pressure autoregulation is impaired, or overwhelmed, and is thought to underlie cerebrovascular injury in the premature infant. Earlier bedside observations suggested that transient periods of cerebral pressure-passivity occurred in premature infants. However, these transient events cannot be detected reliably by intermittent static measurements of pressure autoregulation.

Ultrasonographic features and severity scoring of periventricular hemorrhagic infarction in relation to risk factors and outcome.

Objective: Early diagnosis of periventricular hemorrhagic infarction in premature infants is based on bedside neonatal cranial ultrasonography. Currently, evaluation of its morphology and evolution by cranial ultrasound relies largely on data predating major advances in perinatal care and lacks a consistent classification system for determining severity of injury. The objective of this study was to examine the ultrasonographic morphology and evolution of periventricular hemorrhagic infarction in the modern NICU and to determine the value of a cranial ultrasonography-based severity score for predicting outcome.

Cerebellar hemorrhage in the preterm infant: ultrasonographic findings and risk factors.

Unlabelled: Cerebellar hemorrhage (CBH) in premature infants is increasingly diagnosed secondary to improved neuroimaging techniques and survival of very small preterm infants. Information is limited, however, on the incidence, topography, and risk factors for CBH in the preterm infant.

Objectives: To define the incidence of CBH in preterm infants diagnosed by neonatal cranial ultrasound (US), describe the sonographic features of CBH, and identify maternal and perinatal risk factors associated with this lesion.

Placental surface cysts detected on sonography: histologic and clinical correlation.

Objective: To evaluate the clinical outcome and histologic findings of pregnancies in which placental surface cysts were detected on prenatal sonography.

Methods: A computerized search of our obstetric sonographic database from 1988 through 2000 identified 34 cases. Results of pathologic examinations, when performed, were obtained.