Patient-controlled analgesia (PCA) has been widely implemented to provide better pain relief and increased patient satisfaction with relatively few side effects. However, patients using intravenous (i.v.) PCA are at increased risk for specific adverse effects, especially respiratory depression. A review of the literature from 1990 to present was done to identify the incidence and risk factors for respiratory depression and recommendations for care. Several studies have documented the incidence of respiratory depression with i.v. PCA; rates ranged from 0.19% to 5.2%. Variation in incidence existed because authors defined respiratory depression differently. Methods for monitoring oxygenation include sedation; respiratory rate, depth, and rhythm, and oxygen saturation using pulse oximetry. No single parameter is the single indicator for respiratory depression. Risk factors for respiratory depression with i.v. PCA include age greater than 70 years; basal infusion with i.v. PCA; renal, hepatic, pulmonary, or cardiac impairment; sleep apnea (suspected or history); concurrent central nervous system depressants; obesity; upper abdominal or thoracic surgery; and i.v. PCA bolus > 1 mg. Structures and processes should be in place to guide appropriate dosing, identify risk factors, and activate pertinent monitoring and frequency. Finally, respiratory depression occurs infrequently in comparison to the 10% of patients who are undertreated for pain.
Pain management practices and short-term patient outcomes in nine acute care hospitals in Milwaukee, Wisconsin, were studied at two points in time. One-and-a-half years after the Agency for Health Care Policy and Research's (AHCPR) Clinical Practice Guideline on Acute Pain Management was published, data from 330 adult surgical patients were collected (Time I). These data were contrasted with data from 373 adult surgical patients collected 2 years later (Time II). There were significant increases in the percentage of patients who reported being taught how to report pain using a pain rating scale and about setting a pain goal preoperatively; in the percentage of patient hospital records with at least one documented numeric pain rating; and in the percentage of patients who received analgesics by intravenous administration. However, pain management practices continued to differ from recommendations in the AHCPR guideline. No significant improvement was noted in the short-term outcomes of patient-rated pain or patient satisfaction with pain management. Availability of well-published guidelines alone may be insufficient to ensure comprehensive adoption of guidelines that are multidimensional in nature and to obtain improvements in patient outcome.
Reflective writing has unveiled the richness and depth of nurse case manager practice. The depth of knowledge and skills involved in community-based case management is captured within this reflective practice framework. This framework provides a format for describing community based case manager practice development over the course of time and has been used as a tool for orientation and peer review.
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