Drug Utilization and Prescribing Patterns in a Skilled Nursing Facility: The Need for a Rational Approach to Therapeutics

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Abstract
A study was made of 50 patients drawn at random from a Skilled Nursing Facility (SNF) attended by seven physicians. For 59 percent of these patients, polypharmacy was practiced but no substantiating diagnoses were recorded. Approximately half of the drugs were administered pro re nata. More drugs were prescribed in potentially toxic dosages than in subtherapeutic dosages. The risk of an adverse drug reaction (ADR) was most often associated with anticholinergic agents, sedative‐hypnotic drugs, and neuroleptics (thioridazine and chlorpromazine), particularly when prescribed concurrently. Risk of an ADR was highest when a drug was prescribed without recording a definite diagnostic indication. Lack of consistency by individual physicians in their approaches to the therapy of similar disease entities in comparable patients tended to support the concept of peer review in SNFs and also the need for teaching a rational approach to therapeutics in SNFs based on clinical pharmacology as applied to the elderly.

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