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Biomedical subjects

S Flint

Publications and source records attributed to S Flint.

25 records · Page 2Linked to original sources

Effects of the 65-mph speed limit on rural interstate fatalities in New Mexico.

As a result of federal legislation passed in April 1987, New Mexico was the first state to resume a 65-mph speed limit on rural Interstate highways. We compared the rates of fatal crashes before and after the speed limit change. The rate of fatal crashes in the 1 year after the speed limit was increased was 2.9 per 100 million vehicle-miles traveled, compared with a predicted rate of 1.5 per 100 million vehicle-miles based on the trend of the 5 previous years. When fatal crashes that occurred after the speed limit change were compared with fatal crashes in the 5 previous years, there was no difference in the mean age and sex of the at-fault drivers, mean age and sex of the victims, seat belt use by the victims, or alcohol involvement of the crashes. The increase in fatal crashes can be attributed to an increase in fatal single-vehicle crashes. Vehicles on rural Interstates are traveling at greater rates of speed and a larger proportion of vehicles are exceeding the 65-mph speed limit. The benefits associated with the 65-mph speed limit should be weighed against the increased loss of lives.

Accidents, Traffic↗

Lingual abscess in a patient with anorexia nervosa.

A 30-year-old female patient suffering from anorexia nervosa, developed an acute submandibular cellulitis. She was found to have a lingual abscess, for which the only detectable source of infection was a grossly carious lower molar. The oral features of the more common eating disorders are described.

Abscess↗

Anionic salivary proteins associated with connective tissue disorders: sialated tissue kallikreins.

Parotid saliva was collected from 32 patients with rheumatoid arthritis, 10 with systemic lupus erythematosus, three with mixed connective tissue disease, 12 with progressive systemic sclerosis, two with primary Sjögren's syndrome, and four with Raynaud's syndrome. Tissue kallikreins were measured by radioimmunoassay, and saliva samples were subjected to isoelectric focusing followed by immunoblotting or silver staining. The results showed that the saliva of patients with connective tissue diseases contained increased amounts of immunoreactive tissue kallikrein. In addition, there was an increase in the multiple forms of anionic tissue kallikreins, resulting mainly from a shift in their distribution towards that of higher sialic acid content and lower isoelectric point. These changes were most obvious in patients with systemic lupus erythematosus. Novel or unusual glycosylation may explain the occurrence of increased amounts of anionic salivary proteins in connective tissue diseases.

Adolescent↗

Hematologic status in recurrent aphthous stomatitis compared with other oral disease.

The hematologic status of 144 consecutive patients in the United Kingdom with oral disease (69 with recurrent aphthous stomatitis; 75 with other disorders) was examined in an attempt to resolve the controversy as to whether levels of hemoglobin, blood cell numbers and indices, and blood film are adequate in the screening of patients with aphthae. Though hemoglobin levels and red blood cell indices were normal in patients with recurrent aphthous stomatitis, there was still a small minority of patients with deficiencies of iron (low serum ferritin), folate (low red blood cell levels), or vitamin B12 (low serum levels) that would have remained undetected. Full hematologic screening of patients with recurrent aphthous stomatitis thus reveals latent deficiency states, at least in some parts of the world, and there are good reasons for elucidating the underlying cause and correcting these deficiencies, particularly vitamin B12 deficiency. Therapeutic studies are now required to establish the frequency with which deficiencies actually predispose to recurrent aphthous stomatitis.

Adult↗

1988 NAPNAP membership survey: characteristics of members' practice.

In 1988 the characteristics of the 2560 members of NAPNAP were determined by means of a mailed survey. Approximately 52% of the members returned usable questionnaires. Members were asked for information about their educational preparation, demographic characteristics, and professional employment status. Data about members' practice, how their practice has changed over time where possible, and implications for the future are reported.

Data Collection↗

1988 NAPNAP membership survey. Part II: characteristics of the members.

In 1988, the 2560 members of NAPNAP were surveyed about their educational preparation, demographic characteristics, and professional employment status. Questions were included on members' opinions about issues that should be emphasized by NAPNAP in the future. Approximately 52% of the members returned usable questionnaires. In this second part of the survey results, we report the characteristics of members, how these characteristics have changed over time, and what the members believe NAPNAP's future priorities should be.

Adult↗