Disappearance rate of spermatozoa from the ejaculate following vasectomy.
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Biomedical subjects
Publications and source records attributed to J E Davis.
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Because nurse practitioners (NPs) have expanded their nursing knowledge and skills into medicine they need a model that reflects this expanded role. This article presents the Shuler Nurse Practitioner Practice Model, which is wellness-oriented and suggests how patient interaction, assessment, intervention, and evaluation should occur.
Nurse practitioners' unique contributions to primary care can be demonstrated more clearly if clinicians would adhere to a theoretical framework that reflects their combined nursing and medical role. This article explicitly delineates the process of utilizing the Shuler Nurse Practitioner Practice Model in clinical practice.
Nurse-patient encounters are influenced by the law and by morality. These frequently overlap and hold certain principles in common, such as justice and rights. Despite such close connections, the law and morality do not necessarily correspond. The difficulty in and complexity of reaching the right and just decision in the healthcare setting often highlight this.
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Although studies have shown that patients can distinguish probable adverse drug reactions (ADRs) from adverse clinical events (ACEs) caused by other factors, it is not known whether these attribution judgments add any independent validity to other accepted methods of identifying ADRs, such as physician assessments or epidemiologic data. Data from 2487 patients receiving fluoxetine and 815 receiving trazodone were used to see whether such information was redundant when added to standard statistical analysis directed toward detecting ADRs. Relative risk values for 14 trazodone or fluoxetine ADRs were selected because each was significantly identified by an innovative postmarketing surveillance system. In one analysis, all patient reports were used to compute relative risk; in the other, only reports attributed by patients to the study drug were included. Results indicate that taking into account patient attribution judgments results in a consistent, albeit modest, increase in the discriminatory power of this monitoring method.
OBJECTIVE: To determine if Critical Care Unit (CCU) sound levels suppress rapid eye movement (REM) sleep. DESIGN: Posttest-only control group experimental design. SETTING: Sleep laboratory located in a university neurologic institute. SUBJECTS: Seventy paid ($40) women who had no hearing or sleep problems. PROCEDURES: Subjects were randomly assigned to a noise or quiet (control) group while attempting to sleep overnight in the laboratory. Noise-condition subjects heard an audiotape recording of CCU nighttime sounds. The audiotape recording was withheld from the control group. RESULTS: Subjects in the noise condition showed poorer REM sleep on seven of 10 measures. These included REM activity and shorter REM durations throughout the night and during the first and second halves of the night as well as a longer interval between the first and second REM cycles. The majority of the t test results were significant at the 0.001 level or better. CONCLUSIONS: Although generalization of the results to CCU patients is limited (because of the use of laboratory subjects), the results provided convincing support for a causal relationship between CCU sound levels and suppression of REM sleep.