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Biomedical subjects

P R Grob

Publications and source records attributed to P R Grob.

At least 19 recordsLinked to original sources

Antibiotic prescribing practices and patient compliance in the community.

Appropriate prescribing of antibiotics should take into account the most likely causal pathogens and severity of the illness. Few laboratory diagnostic aids in community medicine have been available to the clinician. The development of databases on the epidemiology of infectious diseases defining the most probable causal organisms and their sensitivity patterns, and recently developed bedside diagnostics, will provide a level of diagnostic certainty to community medicine. In addition, it should be recognized that the prescribing habits of a community physician are, to some extent perhaps, influenced by patient expectation and belief systems within the medical profession. Patient compliance with antibiotic regimens is poor in the community and this problem has become increasingly relevant as more patients are discharged early from hospital while still on medication. Non-compliance with medication is associated with the negative interaction of four factors: 1. the patient, 2. the physician, 3. the severity of the disease, and 4. therapy (frequency and duration). Careful counselling of the patient by the physician and educational information about therapy are some of the methods successfully employed to improve compliance. Decreasing the frequency and duration of dosing have also improved compliance. The added convenience of new short-course, once-daily therapies such as with azithromycin are expected to improve patient compliance and overall clinical outcome.

Anti-Bacterial Agents

Did the drug do it?

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Drug-Related Side Effects and Adverse Reactions

Effect of vaccination on severity and dissemination of whooping cough.

A study was undertaken in general practice to clarify those factors, especially vaccinations, that influence the clinical picture and infectivity of whooping cough in the community. Although the range of the disease encountered was fairly mild, its duration was notable (mean +/- SD 50.9 +/- 32.1 days). By using multiway contingency table analysis it was found that in the more severe cases of whooping cough vaccination significantly shortened the illness (p less than 0.005) and reduced the number of coughing spasms (p less than 0.025). The protective effect of the vaccine was most notable in modifying infectivity within the family: 19% of vaccinated family contacts of index patients in whom the disease had been confirmed bacteriologically developed the disease when exposed to it compared with 72% of non-vaccinated contacts (p less than 0.001). These results show that whooping cough vaccination modifies the clinical illness and offers a worthwhile degree of protection to children exposed to the disease.

Bordetella pertussis

The use of erythromycin in a general practice.

It would appear that erythromycin is a safe drug to use in general practice; it is indicated, and has advantages, in the treatment of infections of both the upper and lower respiratory tracts.

Bacterial Infections

The effect of weather on some infectious diseases.

For several years the Royal College of General Practitioners has been collecting data supplied by local doctors throughout Britain on some infectious diseases seen in their practices. We describe a method of computerisation of this information and statistical analyses. We are investigating the influence of external factors such as climate on the infectiousness of some diseases. A model is fitted involving a non homogeneous two-state Markov chain whose transition probabilities are governed by the explanatory data.

Adolescent