The data from this study show that the majority of institutions use prophylactic platelet transfusion in both pediatric and adult hematology and/or oncology patients. However, there is considerable variation in platelet transfusion practice.
Hospitals are required by accrediting agencies to perform blood utilization review. Specific areas that must be addressed are the ordering, distribution, handling, dispensing, and administration of blood components. Monitoring the effects of transfusion on patients is also required. The format of the review process and the criteria for appropriate blood utilization must be developed by each institution. This article provides examples of areas that can be reviewed and procedures that may be used. However, the suggested laboratory values must not be interpreted as defining indications or criteria for transfusion. Each transfusion committee, or its equivalent, is responsible for developing its own institutional blood utilization procedures and audit criteria. Review and approval by the medical staff prior to implementation are essential. The procedures must also be reviewed and revised on a regular basis.
The hypotensive platelet transfusion reactions that were described appear to represent a previously uncharacterized complication of platelet transfusion. However, the nature of the questionnaires used in this investigation does not allow the drawing of firm conclusions as to the frequency or the cause of these reactions.
Although most facilities have policies for the administration of home transfusions, there remains marked heterogeneity among blood providers and transfusionists regarding home transfusion practices.
In 1989, guidelines for the auditing of pediatric transfusion practices were developed by the Pediatric Hemotherapy Committee of the American Association of Blood Banks (AABB) and made available to AABB members. A survey of members who requested the guidelines was conducted to determine how consistent the guidelines were with local transfusion practices and how useful they were for the conduct of audits. The majority of respondents indicated that the recommended audit criteria agreed with local practices and that most of them could be applied to their transfusion practice audits with little or no modification. An exception was that criteria for the transfusion of platelets to premature infants were considered by some to be too liberal. However, after review of the comments and the published information available, the committee elected not to revise the guidelines pertaining to platelet transfusions for premature infants. Bearing in mind that audit criteria are intended to identify circumstances in which transfusions are acceptable as reasonable therapy without need for further justification, rather than to serve as indications for transfusions, the AABB Pediatric Hemotherapy Committee guidelines for auditing pediatric transfusion practices are fairly representative of national practice.
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