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R Rost

Publications and source records attributed to R Rost.

88 records · Page 5Linked to original sources
PubMedDate not supplied

[The microagglutination test--a simple and sensitive procedure for serodiagnosis of pertussis infections].

The microagglutination assay is a useful method for the diagnosis of B. pertussis infections. In a group of 30 patients with culture proven pertussis 27 (90%) had > or = fourfold increases in titers between acute and convalescent phase serum specimens. The microagglutination test offers several advantages over other more sophisticated B. pertussis antibody tests: only 50 microliters of serum is required, it is a standardized test, which doesn't require specialized technical expertise or equipment, it is easy to perform and good results are noted in a broad age range of patients. Disadvantages of the microagglutination test are: two separate serum specimens are necessary (acute and convalescent phase), the test does not differentiate IgA and IgG antibodies and the temporal association with recent immunization can lead to false positive results. In our opinion the microagglutination test is a useful method for the diagnosis of B. pertussis infections. This is especially true in cases where more sophisticated serologic tests such as ELISA can not be performed immediately but physicians and patients expect to get a result quickly.

Adolescent↗
PubMedDate not supplied

Patients with dilated cardiomyopathy and less than 20% ejection fraction increase exercise capacity and have less severe arrhythmia after controlled exercise training.

The results of this pilot study suggest that patients with a diminished ejection fraction as low as 16% can safely perform an exercise program. A significant improvement in peak VO2 and maximal work rate was achieved. Moreover, this study suggests that exercise training might diminish the severity of asymptomatic ventricular arrhythmia; however a larger controlled study is needed to confirm these findings.

Arrhythmias, Cardiac↗
PubMedDate not supplied

[The dynamics of the parameters of central nervous activation as a correlate of the motor image].

EEG changes were studied in the case of real movements (wrestlers training) and also in the case of imagination of motor activity (ideomotor training). Statistically significant increases were found of the average frequency of oscillations in the EEG alpha-range and simultaneously typical vegetative changes. Thus, imagination of motor activity may serve as a model for studying the CNS activation processes in connection with the realization of real motor activity.

Adult↗