Myeloproliferative Neoplasms
Q: What is the name of the condition where there is a marked increase in all three myeloid cell lines (red cells, white cells, and platelets) in the peripheral blood?
Did You Know?
A Maximum Surgical Blood Order Schedule (MSBOS) is a **hospital-specific guideline** that lists the **standard number of units of blood to be crossmatched** in advance for common elective surgical procedures. It is based on historical transfusion data for each procedure at that institution. **Purpose**: 1) **Optimize Blood Bank Efficiency**: Reduces unnecessary crossmatches, freeing up technologist time and blood bank resources. 2) **Reduce Outdating of Blood**: By crossmatching only the likely needed amount, fewer units are held in reserve and potentially expire. 3) **Improve Patient Safety**: Encourages a standardized, evidence-based approach. 4) **Cost Reduction**: Decreases wastage. For example, the MSBOS might state: Total hip replacement: 2 units crossmatched; Cholecystectomy: Type and Screen only. Procedures with a very low likelihood of transfusion (e.g., <10%) may be designated as **'Type and Screen'** only, meaning blood is typed and screened for antibodies, but no units are crossmatched unless needed. The MSBOS is developed and reviewed by the Hospital Transfusion Committee.
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