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Biomedical subjects

W H Grau

Publications and source records attributed to W H Grau.

7 recordsLinked to original sources

Enhancing the success of NCLEX-RN retesters.

The widely recognized shortage of nurses, together with uncertain trends in nursing school enrollments, poses a dilemma for the health care industry. This dilemma is aggravated by the loss from the work force of graduate nurses who fail the registered nurse licensure examination. Employer institutions fail to reap the benefits of expensive recruiting and orientation, the graduate nurses face a personal and professional crisis, and a shadow is cast over their nursing school. Out of mutual concern, a tertiary care hospital and its affiliated university school of nursing collaborated to develop a model for a clinically based remedial program to increase the likelihood of passing a licensure retest. Developmental aspects and advantages of this model are described. Issues for consideration prior to implementation of such a program are discussed.

Education, Nursing, Continuing↗

The effects of Le Fort I osteotomy with maxillary movement on articulation, resonance, and velopharyngeal function.

Articulation, resonance, and velopharyngeal function were evaluated before and after Le Fort I maxillary advancement in 16 patients (seven with cleft lip and palate, one with cleft lip only, and eight without clefts). On the postoperative evaluation, seven of 11 patients with preoperative articulation errors showed an improvement in articulation after surgery. Two patients without clefts showed slight changes in nasal resonance, and two patients (one with cleft lip and palate and one with cleft lip only) developed mild nasal emission. Nine patients showed diminished velopharyngeal contact during speech on videofluoroscopic studies. Compensatory changes in velopharyngeal function were also observed, which included velar stretching and lengthening and increased lateral pharyngeal wall movement.

Adolescent↗

Ameloblastic fibroma.

A case of an ameloblastic fibroma in the mandible of a 14-year-old boy with a six-month follow-up is reported. A brief comparison is made between the ameloblastic fibroma and the simple ameloblastoma.

Adolescent↗

Epinephrine: systemic effects and varying concentrations in local anesthesia.

The range of vasoconstrictors available for use with local anesthetics in dentistry has been reviewed with emphasis on epinephrine and its physiological effects. All of the vasoconstrictors reviewed provide satisfactory results in dental anesthetic solutions when administered in appropriate concentrations and volumes. Possible drug interactions of concern to dentists include the use of vasoconstrictors with inhalational anesthetics, tricyclic antidepressants, beta blockers and, possibly, phenothiazines. Data reviewed indicates that the amounts of epinephrine used in dentistry can result in significant elevations in circulating levels of ephinephrine and concomitant physiologic changes. Evidence reviewed suggests that 1:200,000 epinephrine concentration results in optional duration and depth of local anesthesia. With the potential for adverse effects from epinephrine concentrations that are needlessly increased, it appears that in most clinical situations a 1:200,000 concentration of epinephrine can be used in an efficacious manner.

Anesthetics, Local↗