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Results for “Drug Storage”

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At least 19 recordsLinked to original sources
PubMed1992

Storage of vaccines in the community: weak link in the cold chain?

OBJECTIVE: To assess quality of storage of vaccines in the community. DESIGN: Questionnaire survey of general practices and child health clinics, and monitoring of storage temperatures of selected refrigerators. SETTING: Central Manchester and Bradford health districts. SUBJECTS: 45 general practices and five child health clinics, of which 40 (80%) responded. Eight practices were selected for refrigeration monitoring. MAIN OUTCOME MEASURES: Adherence to Department of Health guidelines for vaccine storage, temperature range to which vaccines were exposed over two weeks. RESULTS: Of the 40 respondents, only 16 were aware of the appropriate storage conditions for the vaccines; eight had minimum and maximum thermometers but only one of these was monitored daily. In six of the eight practices selected for monitoring of refrigeration temperatures the vaccines were exposed to either subzero temperatures (three fridges) or temperatures up to 16 degrees C (three). Two of these were specialised drug storage refrigerators with an incorporated thermostat and external temperature gauges. CONCLUSION: Vaccines were exposed to temperatures that may reduce their potency. Safe storage of vaccines in the clinics cannot be ensured without adhering to the recommended guidelines. Provision of adequate equipment and training for staff in maintaining the "cold chain" and the use and care of equipment are important components of a successful immunisation programme.

Child↗
PubMed1978

Studies of erythrocyte membrane loss produced by amphipathic drugs and in vitro storage.

Four amphipathic drugs, primaquine, propranolol, chlorpromazine and tetracaine, were used to cause endocytosis in glucose-depleted red cells, and the relative reduction of membrane surfaces was measured by the toluidine blue (TB) method. The TB measurements correlated well with the observed electron microscopic alterations. In vitro blood storage studies indicated loss of cell membrane during storage correlated with decreasing uptake of TB by the red cells. Regeneration of cellular ATP with adenosine did not always restore TB uptake by the cells. Loss of red blood cell membrane either by exocytosis or endocytosis may occur during normal in vivo or in vitro ageing, and may be increased in pathological states or by the action of drugs.

Adenosine Triphosphate↗
PubMed1975

Pharmacokinetics of secobarbital in rabbit.

The pharmacokinetic study of secobarbital in the rabbit utilizing gas chromatography (GC) indicated a correlation between blood levels and brain tissue levels; and that the distribution of the drug appears to be more complex than a first order process is suggested by the compartmental simulation midel. The liver and kidney which eliminate the drug into bile and urine, respectively, tend to follow first order elimination kinetics more closely than those which act as depots for drug storage such as muscle and fat. The two dose levels of secobarbital indicate the same relationship with blood and tissues, therefore an increase or decrease in the dosage has no effect on the pharmacokinetics of secobarbital. The termination of action of secobarbital is due to the combination of rapid uptake by liver and its disposition there and a slower uptake by muscle. Computer simulation of secobarbital distribution has strongly suggested the elimination of this drug in bile and that the rebound rise in liver amy be due to enterohepatic circulation.

Adipose Tissue↗
PubMed1976

Medicines and elderly people: a general practice survey.

All 151 patients of 75 years and over in one practice were visited at home to survey their health and how they managed their medicines. Altogehter 87% were on regular treatment, 34% taking three or four different drugs each day. Most were responsible for their own drugs and managed them well, but many left their drugs in exposed places and were uncertain about how to dispose of unwanted medicines. Overall they were prescribed about three times the number of drugs prescribed for the general population, and women took twice as many drugs regularly as men. Although many drugs were obtained directly from a pharmacist, his advice was rarely sought. Most were labelled, but more explicit instructions about indications for taking the drug would have been helpful, and information about hoarded drugs would have been enhanced by dispensing and expiry dates. Treatment was facilitated when patients brought their drugs to the consultation and careful records were made of repeat prescriptions. As so many patients take three or more different types of drugs each day a container in which a day's supply could be laid out would be useful.

Aged↗
PubMed1975

Pharmaceutic factors affecting pediatric compliance.

Evaluation of treatment given at home was studied in children with otitis media who were seen in an outpatient clinic. Full compliance was present in only 5% of the initial 100 patients (Study A). Practical factors limiting their compliance included inadequate dispensing of medication at drug stores, 15%; incorrect therapy schedule, 36%; early termination, 37%; spilled medicine, 7%; therapy shared, 5%. Because of these findings, a plan was implemented (Study B) in which hospital pharmacy personnel gave patient families verbal and written instructions for administering medications that were dispensed, together with a calibrated measuring device and a calendar to record doses taken. Full compliance was raised to 51% in this pilot group (of 33 patients) as compared with 8.5% in 20 concurrent controls who went to neighborhood drug stores. The importance of detailed therapy instructions is stressed. The potential role of the pharmacist in improving compliance is demonstrated.

Ampicillin↗