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Biomedical subjects

B H Munro

Publications and source records attributed to B H Munro.

13 recordsLinked to original sources

A comparison of two techniques of care for indwelling arterial introducers after coronary angioplasty.

To determine whether indwelling arterial introducers can be maintained for 24 hours without risk of infection and/or hemorrhage in the post-coronary angioplasty patient, 96 patients were assigned to one of two groups. Introducers of the subjects in group I were flushed with 500 U of heparin, capped, and covered with a sterile occlusive dressing. Introducers of subjects in group II were connected to a heparinized (500 U in 500 mL normal saline) and pressurized (200 to 300 mm Hg) flush device. All introducers were removed 24 hours after coronary angioplasty. Results of t tests showed no significant difference between the two groups in incidence of infection or hemorrhage when hemoglobin, hematocrit, partial thromboplastin time, and white blood cell count were compared. Signs of inflammation at the introducer site (redness and swelling) and temperature elevation > or = 37.8 degrees C were not significantly different between the two groups. The incidence of hematoma formation at the introducer site was 40% in both groups. The two methods were found to be equally effective in maintaining a patent arterial introducer without risking infection and/or hemorrhage in the post-coronary angioplasty patient whose introducer remains indwelling for 24 hours.

Academic Medical Centers

Measuring the effectiveness of nursing practice.

This article examines the importance of outcomes as indicators of quality of care. The appropriateness of selected traditional and emerging outcomes in measuring the effectiveness of nursing interventions is addressed.

Activities of Daily Living

Survey of nursing practice related to decanting intravenous solutions.

A survey instrument was mailed to a stratified random sample of 1000 nurses from the membership list of the American Association of Critical-Care Nurses to determine whether there are generally accepted standards for decanting intravenous (IV) solutions before the addition of medication. Four hundred seventy-eight surveys were returned from 47 states and the District of Columbia. Of those, 475 were usable. Seventy-one percent of the respondents did not decant. Of those who did decant (29%), 79% used a needle and syringe to withdraw a volume equal to that of the medication to be added. The results of this study indicate that no generally accepted standards of practice exist for the preparation of IV solutions. Patients may not, therefore, be receiving the dose prescribed by the physician. Nurses need to develop standards for accurate administration of IV solutions.

Critical Care