Cary E Johnson

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OBJECTIVES To determine the cost-effectiveness of a policy of screening high-risk patients for methicillin-resistant Staphylococcus aureus (MRSA) colonization on admission to hospital. SETTING 980-bed university-affiliated tertiary-care hospital. PATIENTS Between June 1996 and May 1997, patients directly transferred from another hospital or nursing(More)
Otitis media in early infancy carries a high risk of recurrent otitis media and prolonged middle ear effusion. To fulfill the need for objective diagnostic methods in this age group, we investigated susceptance tympanograms and ipsilateral acoustic reflex thresholds in infants younger than 5 months of age. Tympanometry and acoustic reflex thresholds were(More)
OBJECTIVE 'Crisis cards' state patients' treatment details and preferences in anticipation of a later occasion when the patient might be too ill to express them directly. We assessed the feasibility of introducing 'crisis cards', or a collaborative form of them, 'joint crisis plans', into a sectorized community psychiatric service. METHOD All patients(More)
OBJECTIVES To determine the natural history of middle ear effusion (MEE) in newborns and compare the results of pneumatic otoscopy with tympanometry and acoustic reflex measurements in the evaluation of the middle ear of neonates. DESIGN A descriptive natural history study with comparison of three evaluation methods for MEE. SETTING County hospital(More)
BACKGROUND Studies in Japan and the United States have shown that varicella vaccine is both safe and efficacious. In 1984, we undertook a 10-year prospective study using a research lot of Oka/Merck varicella vaccine to assess antibody persistence and breakthrough chickenpox rates. In 1987, we began a similar prospective study with lots made in production(More)
OBJECTIVE To determine the accuracy of measuring antenatal renal pelvic diameter for prediction of renal abnormalities. RESEARCH DESIGN Prospective evaluation of all pregnant women undergoing ultrasonography. SETTING A teaching hospital providing primary and referral maternity care. PARTICIPANTS Fifty-six pregnant women with suspected fetal(More)
Ultrasonography of the kidney may replace the intravenous pyelogram as the study of choice in identifying treatable abnormalities in children with urinary tract infection. In a series of 64 consecutive children with urinary tract infection in whom an intravenous pyelogram, renal ultrasound, and voiding cystogram were performed, only one treatable(More)
Influences of cimetidine dose and age on the cimetidine-theophylline interaction were evaluated. Group Y consisted of nine young adults, aged 22-35 years, and Group O of nine elderly adults, aged 60-74 years. Each subject completed three study phases in this randomized crossover study. During Phase A, oral dosing of 5 mg/kg theophylline was followed by 14(More)