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Biomedical subjects

C Guest

Publications and source records attributed to C Guest.

29 records · Page 2Linked to original sources

Caregiver response to Alzheimer's disease.

Research on Alzheimer's Disease caregivers has tried to find a link between 1) the length of time a caregiver has been giving care; or 2) the physical condition of the patient and the experiences and needs of the caregiver. This study found no significant correlation between length of time a caregiver had given care to a particular patient and the caregiver's subjective feelings of caregiver burden. It found a significant, moderate correlation between caregiver burden and the patient's functional ability. It found that caregivers' subjective feelings and needs best predict their feelings of burden. This report concludes with suggestions on how to improve support for caregivers in light of these findings.

Aged↗

Foodborne Snow Mountain agent gastroenteritis in a school cafeteria.

In 1984, an outbreak of gastroenteritis occurred at a school with 1,860 students in Brooklyn, NY. In a single-stage cluster sample of 375 students, 129 (34%) had illnesses that met our case definition of vomiting or diarrhea. The mean incubation period was 26 hours, and the mean illness duration was 24 hours. All case students had eaten in the cafeteria on at least one day between Nov 13 and 16, compared with 174/214 (81%) noncase students (P = 10(-8), Fisher exact test). Foods implicated were french fries (relative risk 1.7, 95% confidence limits 1.4, 2.0) and hamburgers (relative risk 1.6, 95%, confidence limits 1.2, 2.1). Two cafeteria employees had served those foods while affected by diarrhea. By a recently developed blocking enzyme-linked immunosorbent assay, six of 11 (55%) case students showed fourfold antibody increases between acute- and convalescent-phase serum samples for Snow Mountain agent, a Norwalk-like virus, compared with one of ten (10%) noncase students (P = .04, Fisher exact test). We strongly suspect, but cannot document conclusively, that the Snow Mountain agent was spread to students on a vector of hot foods contaminated by ill food handlers. Implicated foods conferred low relative risks and could only have accounted for 74% of cases of illness. The strong association between cafeteria exposure and illness, therefore, suggests that additional modes of spread occurred.

Antibodies, Viral↗

Labetalol compared with prindolol plus hydraliazine in the treatment of hypertension: a double-blind cross-over study.

The hypotensive action of labetalol, a new drug with alpha-adrenoceptor and beta-adrenoceptor blocking action, was compared with that of a combination of prindolol and hydrallazine. Fourteen patients with mild to moderately severe hypertension completed a double-blind cross-over study with treatment periods of eight weeks. Both treatments were effective and, in the doses which were used, produced clinically significant lowering of blood pressure (reduction of mean blood pressure by more than 10 mm Hg) both in clinic and in home blood pressures in 12 of the 14 patients. The action of labetalol (600 mg twice a day) was approximately equivalent to that of prindolol (15 mg twice a day) plus hydrallazine (50 mg three times a day). There was a tendency for the second treatment (irrespective of nature) to be more effective than the first. However, when the results for each treatment were combined, the fall in the blood pressure due to labetalol was practically identical with that due to prindolol and hydrallazine. There were no toxic effects from either treatment and side effects were mild. Labetalol is a useful hypotensive drug with effect similar to that of a combination of a beta-adrenoceptor blocking drug and a vasodilator.

Adult↗

The place of infamy.

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Aircraft↗