Although the model showed little difference between QALYs with the treatments, the combination of radiation and tamoxifen provides the optimal therapy for this case.
Use of an interdisciplinary case management team approach in the treatment of patients with hip or knee arthroplasty has resulted in a decrease in length of stay and achievement of functional outcomes at the authors' center. Case management was used to standardize patient care and to measure each patient's progress toward independence against established criteria of treatment outcomes. Outcomes established for physical therapy were ambulation distance, performance of a home exercise program, stair climbing, amount of active knee flexion (for knee arthroplasties), and incorporation of hip precautions. Outcomes for occupational therapy were bed mobility, chair transfers, toilet transfers, and activities of daily living with emphasis on lower extremity dressing. The case management team consists of an occupational therapist, an occupational therapy assistant, a physical therapist, and two nurses. The specific role of the occupational therapy personnel in this team approach is to maximize, by discharge, a patient's functional level of independence in activities of daily living. Data from a 6-month period indicated that occupational therapy goals were achieved for 79% of the 33 knee arthroplasty patients and 73% of the 37 hip arthroplasty patients.
A survey of 53 university and community hospitals revealed that 73% of the institutions had no standard policy for the replacement of triple-lumen catheters (TLCs). Since the mainte nance of a TLC in place for a prolonged period may lead to infectious complications, it appeared warranted that standards of management be developed. A decision-tree model was constructed for evaluating the optimal time for changing a TLC that would minimize infection. Cost estimates and health effects at three-, five-, and ten-day change intervals were considered for catheter insertion and complications resulting from such insertion. The results suggested that prophylactic catheter changes should occur no later than every five days, provided that there are no signs of infection. However, sensitivity analysis of several variables suggested that individual institutions should establish policy timing changes based upon careful interpretation of their own data. A model was developed to assist in determining the optimal time to change a TLC based upon such data. Key words: triple-lumen catheter; catheter-related infection; sepsis; decision analysis. (Med Decis Making 1995;15:138-142)
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